diff --git a/resources/openbim-components.js b/resources/openbim-components.js index 5a9992fc9..367a72a57 100644 --- a/resources/openbim-components.js +++ b/resources/openbim-components.js @@ -108429,6 +108429,7 @@ class FragmentClipStyler extends Component { FragmentClipStyler.uuid = "14de9fbd-2151-4c01-8e07-22a2667e1126"; ToolComponent.libraryUUIDs.add(FragmentClipStyler.uuid); +// eslint-disable-next-line max-classes-per-file /** Configuration of the IFC-fragment streaming. */ class IfcStreamingSettings extends IfcFragmentSettings { constructor() { @@ -108914,20 +108915,25 @@ class GeometryCullerRenderer extends CullerRenderer { super(components, settings); /* Pixels in screen a geometry must occupy to be considered "seen". */ this.threshold = 50; + this.bboxThreshold = 200; this.maxLostTime = 30000; this.maxHiddenTime = 5000; this.boxes = new Map(); + this.useLowLod = false; + this.lowLod = new Map(); this._material = new THREE$1.MeshBasicMaterial({ transparent: true, side: 2, opacity: 1, }); + this._lodMaterial = new THREE$1.MeshLambertMaterial(); this.onViewUpdated = new Event(); this._modelIDIndex = new Map(); this._indexModelID = new Map(); this._nextModelID = 0; this._geometries = new Map(); this._geometriesGroups = new Map(); + this._foundGeometries = new Set(); this.codes = new Map(); this.handleWorkerMessage = async (event) => { const colors = event.data.colors; @@ -108937,15 +108943,36 @@ class GeometryCullerRenderer extends CullerRenderer { const toShow = {}; const now = performance.now(); let viewWasUpdated = false; - for (const [code, geometry] of this._geometries) { - const pixels = colors.get(code); - const isFound = pixels !== undefined && pixels > this.threshold; + const lodsToShow = new Set(); + const lodsToHide = new Set(); + let bboxAmount = 0; + for (const [color, number] of colors) { + if (number < this.threshold) { + continue; + } + const found = this._geometries.get(color); + if (!found) { + continue; + } + const isBoundingBox = found.fragment === undefined; + if (isBoundingBox) { + bboxAmount += number; + } + } + const lostGeometries = new Set(this._foundGeometries); + for (const [color, number] of colors) { + const geometry = this._geometries.get(color); + if (!geometry) { + continue; + } + const isFound = number > this.threshold; const { exists } = geometry; - const modelID = this._indexModelID.get(geometry.modelIndex); if (!isFound && !exists) { // Geometry doesn't exist and is not visible continue; } + const modelID = this._indexModelID.get(geometry.modelIndex); + lostGeometries.delete(color); if (isFound && exists) { // Geometry was visible, and still is geometry.time = now; @@ -108953,35 +108980,54 @@ class GeometryCullerRenderer extends CullerRenderer { toShow[modelID] = new Set(); } toShow[modelID].add(geometry.geometryID); + this._foundGeometries.add(color); viewWasUpdated = true; + if (this.useLowLod) { + lodsToHide.add(geometry); + } } else if (isFound && !exists) { // New geometry found if (!toLoad[modelID]) { - toLoad[modelID] = new Set(); + toLoad[modelID] = new Map(); } geometry.time = now; geometry.exists = true; - toLoad[modelID].add(geometry.geometryID); + if (!toLoad[modelID].has(number)) { + toLoad[modelID].set(number, new Set()); + } + const set = toLoad[modelID].get(number); + set.add(geometry.geometryID); + this._foundGeometries.add(color); viewWasUpdated = true; + if (this.useLowLod) { + lodsToHide.add(geometry); + } } else if (!isFound && exists) { - // Geometry was lost - const lostTime = now - geometry.time; - if (lostTime > this.maxLostTime) { - // This geometry was lost too long - delete it - if (!toRemove[modelID]) { - toRemove[modelID] = new Set(); + // Geometry is hardly seen, so it can be considered lost + if (bboxAmount < this.bboxThreshold) { + // When too many bounding boxes on sight + // don't hide / destroy geometry to prevent flickering + this.handleLostGeometries(now, color, geometry, toRemove, toHide); + if (this.useLowLod) { + lodsToShow.add(geometry); } - geometry.exists = false; - toRemove[modelID].add(geometry.geometryID); + viewWasUpdated = true; } - else if (lostTime > this.maxHiddenTime) { - // This geometry was lost for a while - hide it - if (!toHide[modelID]) { - toHide[modelID] = new Set(); - } - toHide[modelID].add(geometry.geometryID); + } + } + if (bboxAmount <= this.bboxThreshold) { + // When too many bounding boxes on sight + // don't hide / destroy geometry to prevent flickering + for (const color of lostGeometries) { + const geometry = this._geometries.get(color); + if (!geometry) { + throw new Error("Geometry not found!"); + } + this.handleLostGeometries(now, color, geometry, toRemove, toHide); + if (this.useLowLod) { + lodsToShow.add(geometry); } viewWasUpdated = true; } @@ -108989,6 +109035,17 @@ class GeometryCullerRenderer extends CullerRenderer { if (viewWasUpdated) { await this.onViewUpdated.trigger({ toLoad, toRemove, toHide, toShow }); } + if (this.useLowLod) { + for (const geometry of lodsToShow) { + this.setLodVisibility(true, geometry); + } + for (const geometry of lodsToHide) { + this.setLodVisibility(false, geometry); + } + } + if (bboxAmount > this.bboxThreshold) { + this.needsUpdate = true; + } }; this.updateInterval = 500; this._geometry = new THREE$1.BoxGeometry(1, 1, 1); @@ -109007,6 +109064,11 @@ class GeometryCullerRenderer extends CullerRenderer { async dispose() { await super.dispose(); this.onViewUpdated.reset(); + this._lodMaterial.dispose(); + for (const [_id, fragment] of this.lowLod) { + fragment.dispose(true); + } + this.lowLod.clear(); for (const [_id, group] of this._geometriesGroups) { group.removeFromParent(); const children = [...group.children]; @@ -109041,6 +109103,10 @@ class GeometryCullerRenderer extends CullerRenderer { const bboxes = new Fragment$1(this._geometry, this._material, 10); this.boxes.set(modelIndex, bboxes); this.scene.add(bboxes.mesh); + if (this.useLowLod) { + const lowLod = new Fragment$1(this._geometry, this._lodMaterial, 10); + this.lowLod.set(modelIndex, lowLod); + } const fragmentsGroup = new THREE$1.Group(); this.scene.add(fragmentsGroup); this._geometriesGroups.set(modelIndex, fragmentsGroup); @@ -109048,7 +109114,9 @@ class GeometryCullerRenderer extends CullerRenderer { for (const asset of assets) { // if (asset.id !== 664833) continue; for (const geometryData of asset.geometries) { - const { geometryID, transformation } = geometryData; + const { geometryID, transformation, color } = geometryData; + const geometryColor = new THREE$1.Color(); + geometryColor.setRGB(color[0], color[1], color[2], "srgb"); const instanceID = this.getInstanceID(asset.id, geometryID); const geometry = geometries[geometryID]; if (!geometry) { @@ -109088,6 +109156,7 @@ class GeometryCullerRenderer extends CullerRenderer { throw new Error("Malformed item!"); } item.colors.push(threeColor); + item.geometryColors.push(geometryColor); item.transforms.push(instanceMatrix); } else { @@ -109095,6 +109164,7 @@ class GeometryCullerRenderer extends CullerRenderer { items.set(instanceID, { id: instanceID, colors: [threeColor], + geometryColors: [geometryColor], transforms: [instanceMatrix], }); } @@ -109117,6 +109187,13 @@ class GeometryCullerRenderer extends CullerRenderer { } const itemsArray = Array.from(items.values()); bboxes.add(itemsArray); + if (this.useLowLod) { + for (const item of itemsArray) { + item.colors = item.geometryColors; + } + const lowLod = this.lowLod.get(modelIndex); + lowLod.add(itemsArray); + } THREE$1.ColorManagement.enabled = colorEnabled; // const { geometry, material, count, instanceMatrix, instanceColor } = [ // ...this.boxes.values(), @@ -109141,6 +109218,9 @@ class GeometryCullerRenderer extends CullerRenderer { const box = this.boxes.get(index); box.dispose(false); this.boxes.delete(index); + const frag = this.lowLod.get(index); + frag.dispose(false); + this.lowLod.delete(index); const codes = this.codes.get(index); this.codes.delete(index); for (const [_id, code] of codes) { @@ -109260,6 +109340,33 @@ class GeometryCullerRenderer extends CullerRenderer { bbox.setVisibility(visible, instancesID); } } + handleLostGeometries(now, color, geometry, toRemove, toHide) { + const modelID = this._indexModelID.get(geometry.modelIndex); + const lostTime = now - geometry.time; + if (lostTime > this.maxLostTime) { + // This geometry was lost too long - delete it + if (!toRemove[modelID]) { + toRemove[modelID] = new Set(); + } + geometry.exists = false; + toRemove[modelID].add(geometry.geometryID); + this._foundGeometries.delete(color); + } + else if (lostTime > this.maxHiddenTime) { + // This geometry was lost for a while - hide it + if (!toHide[modelID]) { + toHide[modelID] = new Set(); + } + toHide[modelID].add(geometry.geometryID); + } + } + setLodVisibility(visible, geometry) { + const lod = this.lowLod.get(geometry.modelIndex); + for (const assetID of geometry.assetIDs) { + const instanceID = this.getInstanceID(assetID, geometry.geometryID); + lod.setVisibility(visible, [instanceID]); + } + } createModelIndex(modelID) { if (this._modelIDIndex.has(modelID)) { throw new Error("Can't load the same model twice!"); @@ -109279,197 +109386,5314 @@ class GeometryCullerRenderer extends CullerRenderer { } } -class FragmentStreamLoader extends Component { - get url() { - if (!this._url) { - throw new Error("url must be set before using the streaming service!"); +/* + * Dexie.js - a minimalistic wrapper for IndexedDB + * =============================================== + * + * By David Fahlander, david.fahlander@gmail.com + * + * Version 3.2.4, Tue May 30 2023 + * + * https://dexie.org + * + * Apache License Version 2.0, January 2004, http://www.apache.org/licenses/ + */ + +const _global = typeof globalThis !== 'undefined' ? globalThis : + typeof self !== 'undefined' ? self : + typeof window !== 'undefined' ? window : + global; + +const keys = Object.keys; +const isArray = Array.isArray; +if (typeof Promise !== 'undefined' && !_global.Promise) { + _global.Promise = Promise; +} +function extend(obj, extension) { + if (typeof extension !== 'object') + return obj; + keys(extension).forEach(function (key) { + obj[key] = extension[key]; + }); + return obj; +} +const getProto = Object.getPrototypeOf; +const _hasOwn = {}.hasOwnProperty; +function hasOwn(obj, prop) { + return _hasOwn.call(obj, prop); +} +function props(proto, extension) { + if (typeof extension === 'function') + extension = extension(getProto(proto)); + (typeof Reflect === "undefined" ? keys : Reflect.ownKeys)(extension).forEach(key => { + setProp(proto, key, extension[key]); + }); +} +const defineProperty = Object.defineProperty; +function setProp(obj, prop, functionOrGetSet, options) { + defineProperty(obj, prop, extend(functionOrGetSet && hasOwn(functionOrGetSet, "get") && typeof functionOrGetSet.get === 'function' ? + { get: functionOrGetSet.get, set: functionOrGetSet.set, configurable: true } : + { value: functionOrGetSet, configurable: true, writable: true }, options)); +} +function derive(Child) { + return { + from: function (Parent) { + Child.prototype = Object.create(Parent.prototype); + setProp(Child.prototype, "constructor", Child); + return { + extend: props.bind(null, Child.prototype) + }; } - return this._url; - } - set url(value) { - this._url = value; - } - constructor(components) { - super(components); - this.enabled = true; - this.onFragmentsDeleted = new Event(); - this.onFragmentsLoaded = new Event(); - this.onDisposed = new Event(); - this.models = {}; - this.serializer = new StreamSerializer(); - this._url = null; - this._isDisposing = false; - // private _hardlySeenGeometries: THREE.InstancedMesh; - this._geometryInstances = {}; - this._loadedFragments = {}; - // FragID, [model, geometryID, hiddenItems] - this.fragIDData = new Map(); - this._baseMaterial = new THREE$1.MeshLambertMaterial(); - this._baseMaterialT = new THREE$1.MeshLambertMaterial({ - transparent: true, - opacity: 0.5, - }); - this.components.tools.add(FragmentStreamLoader.uuid, this); - // const hardlyGeometry = new THREE.BoxGeometry(); - // this._hardlySeenGeometries = new THREE.InstancedMesh(); - this.culler = new GeometryCullerRenderer(components); - this.setupCullerEvents(); + }; +} +const getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor; +function getPropertyDescriptor(obj, prop) { + const pd = getOwnPropertyDescriptor(obj, prop); + let proto; + return pd || (proto = getProto(obj)) && getPropertyDescriptor(proto, prop); +} +const _slice = [].slice; +function slice(args, start, end) { + return _slice.call(args, start, end); +} +function override(origFunc, overridedFactory) { + return overridedFactory(origFunc); +} +function assert(b) { + if (!b) + throw new Error("Assertion Failed"); +} +function asap$1(fn) { + if (_global.setImmediate) + setImmediate(fn); + else + setTimeout(fn, 0); +} +function arrayToObject(array, extractor) { + return array.reduce((result, item, i) => { + var nameAndValue = extractor(item, i); + if (nameAndValue) + result[nameAndValue[0]] = nameAndValue[1]; + return result; + }, {}); +} +function tryCatch(fn, onerror, args) { + try { + fn.apply(null, args); } - async dispose() { - this._isDisposing = true; - this.onFragmentsLoaded.reset(); - this.onFragmentsDeleted.reset(); - this.models = {}; - this._geometryInstances = {}; - // Disposed by fragment manager - this._loadedFragments = {}; - this.fragIDData.clear(); - this._baseMaterial.dispose(); - this._baseMaterialT.dispose(); - await this.culler.dispose(); - this.culler = new GeometryCullerRenderer(this.components); - this.setupCullerEvents(); - await this.onDisposed.trigger(FragmentStreamLoader.uuid); - this.onDisposed.reset(); - this._isDisposing = false; + catch (ex) { + onerror && onerror(ex); } - async load(settings, coordinate = true, properties) { - const { assets, geometries, globalDataFileId } = settings; - const groupUrl = this.url + globalDataFileId; - const groupData = await fetch(groupUrl); - const groupArrayBuffer = await groupData.arrayBuffer(); - const groupBuffer = new Uint8Array(groupArrayBuffer); - const fragments = this.components.tools.get(FragmentManager); - const group = await fragments.load(groupBuffer, coordinate); - const { opaque, transparent } = group.geometryIDs; - for (const [geometryID, key] of opaque) { - const fragID = group.keyFragments.get(key); - if (fragID === undefined) { - throw new Error("Malformed fragments group!"); - } - this.fragIDData.set(fragID, [group, geometryID, new Set()]); - } - for (const [geometryID, key] of transparent) { - const fragID = group.keyFragments.get(key); - if (fragID === undefined) { - throw new Error("Malformed fragments group!"); - } - this.fragIDData.set(fragID, [group, Math.abs(geometryID), new Set()]); +} +function getByKeyPath(obj, keyPath) { + if (hasOwn(obj, keyPath)) + return obj[keyPath]; + if (!keyPath) + return obj; + if (typeof keyPath !== 'string') { + var rv = []; + for (var i = 0, l = keyPath.length; i < l; ++i) { + var val = getByKeyPath(obj, keyPath[i]); + rv.push(val); + } + return rv; + } + var period = keyPath.indexOf('.'); + if (period !== -1) { + var innerObj = obj[keyPath.substr(0, period)]; + return innerObj === undefined ? undefined : getByKeyPath(innerObj, keyPath.substr(period + 1)); + } + return undefined; +} +function setByKeyPath(obj, keyPath, value) { + if (!obj || keyPath === undefined) + return; + if ('isFrozen' in Object && Object.isFrozen(obj)) + return; + if (typeof keyPath !== 'string' && 'length' in keyPath) { + assert(typeof value !== 'string' && 'length' in value); + for (var i = 0, l = keyPath.length; i < l; ++i) { + setByKeyPath(obj, keyPath[i], value[i]); } - this.culler.add(group.uuid, assets, geometries); - this.models[group.uuid] = { assets, geometries }; - const instances = new Map(); - for (const asset of assets) { - const id = asset.id; - for (const { transformation, geometryID, color } of asset.geometries) { - if (!instances.has(geometryID)) { - instances.set(geometryID, []); - } - const current = instances.get(geometryID); - if (!current) { - throw new Error("Malformed instances"); + } + else { + var period = keyPath.indexOf('.'); + if (period !== -1) { + var currentKeyPath = keyPath.substr(0, period); + var remainingKeyPath = keyPath.substr(period + 1); + if (remainingKeyPath === "") + if (value === undefined) { + if (isArray(obj) && !isNaN(parseInt(currentKeyPath))) + obj.splice(currentKeyPath, 1); + else + delete obj[currentKeyPath]; } - current.push({ id, transformation, color }); + else + obj[currentKeyPath] = value; + else { + var innerObj = obj[currentKeyPath]; + if (!innerObj || !hasOwn(obj, currentKeyPath)) + innerObj = (obj[currentKeyPath] = {}); + setByKeyPath(innerObj, remainingKeyPath, value); } } - this._geometryInstances[group.uuid] = instances; - if (properties) { - const ids = new Map(); - const types = new Map(); - for (const id in properties.ids) { - const value = properties.ids[id]; - const idNum = parseInt(id, 10); - ids.set(idNum, value); - } - for (const type in properties.types) { - const value = properties.types[type]; - const idNum = parseInt(type, 10); - types.set(idNum, value); - } - // TODO: Make this better when backend is ready - const propertiesFileID = globalDataFileId.replace("-global", "-properties"); - group.streamSettings = { - baseUrl: this.url, - baseFileName: propertiesFileID, - ids, - types, - }; - const { indexesFile } = properties; - const fetched = await fetch(this.url + indexesFile); - const data = await fetched.arrayBuffer(); - const file = new File([new Blob([data])], indexesFile); - const fileURL = URL.createObjectURL(file); - const result = await unzip(fileURL); - const first = Object.keys(result.entries)[0]; - const indices = await result.entries[first].json(); - const processor = this.components.tools.get(IfcPropertiesProcessor); - const indexMap = processor.get(); - indexMap[group.uuid] = {}; - for (const index of indices) { - const id = index.shift(); - indexMap[group.uuid][id] = new Set(index); + else { + if (value === undefined) { + if (isArray(obj) && !isNaN(parseInt(keyPath))) + obj.splice(keyPath, 1); + else + delete obj[keyPath]; } + else + obj[keyPath] = value; } - this.culler.needsUpdate = true; } - remove(modelID) { - this._isDisposing = true; - const fragments = this.components.tools.get(FragmentManager); - const group = fragments.groups.find((group) => group.uuid === modelID); - if (group === undefined) { - console.log("Group to delete not found."); - return; - } - delete this.models[modelID]; - delete this._geometryInstances[modelID]; - delete this._loadedFragments[modelID]; - const ids = group.keyFragments.values(); - for (const id of ids) { - this.fragIDData.delete(id); - } - this.culler.remove(modelID); - this._isDisposing = false; +} +function delByKeyPath(obj, keyPath) { + if (typeof keyPath === 'string') + setByKeyPath(obj, keyPath, undefined); + else if ('length' in keyPath) + [].map.call(keyPath, function (kp) { + setByKeyPath(obj, kp, undefined); + }); +} +function shallowClone(obj) { + var rv = {}; + for (var m in obj) { + if (hasOwn(obj, m)) + rv[m] = obj[m]; } - setVisibility(visible, filter) { - const modelGeomsAssets = new Map(); - for (const fragID in filter) { - const found = this.fragIDData.get(fragID); - if (found === undefined) { - throw new Error("Geometry not found!"); - } - const [group, geometryID, hiddenItems] = found; - const modelID = group.uuid; - if (!modelGeomsAssets.has(modelID)) { - modelGeomsAssets.set(modelID, new Map()); - } - const geometriesAsset = modelGeomsAssets.get(modelID); - const assets = filter[fragID]; - // Store the visible filter so that it's applied if this fragment - // is loaded later - for (const itemID of assets) { - if (visible) { - hiddenItems.delete(itemID); - } - else { - hiddenItems.add(itemID); - } - } - if (!geometriesAsset.get(geometryID)) { - geometriesAsset.set(geometryID, new Set()); - } - const assetGroup = geometriesAsset.get(geometryID); - for (const asset of assets) { - assetGroup.add(asset); + return rv; +} +const concat = [].concat; +function flatten(a) { + return concat.apply([], a); +} +const intrinsicTypeNames = "Boolean,String,Date,RegExp,Blob,File,FileList,FileSystemFileHandle,ArrayBuffer,DataView,Uint8ClampedArray,ImageBitmap,ImageData,Map,Set,CryptoKey" + .split(',').concat(flatten([8, 16, 32, 64].map(num => ["Int", "Uint", "Float"].map(t => t + num + "Array")))).filter(t => _global[t]); +const intrinsicTypes = intrinsicTypeNames.map(t => _global[t]); +arrayToObject(intrinsicTypeNames, x => [x, true]); +let circularRefs = null; +function deepClone(any) { + circularRefs = typeof WeakMap !== 'undefined' && new WeakMap(); + const rv = innerDeepClone(any); + circularRefs = null; + return rv; +} +function innerDeepClone(any) { + if (!any || typeof any !== 'object') + return any; + let rv = circularRefs && circularRefs.get(any); + if (rv) + return rv; + if (isArray(any)) { + rv = []; + circularRefs && circularRefs.set(any, rv); + for (var i = 0, l = any.length; i < l; ++i) { + rv.push(innerDeepClone(any[i])); + } + } + else if (intrinsicTypes.indexOf(any.constructor) >= 0) { + rv = any; + } + else { + const proto = getProto(any); + rv = proto === Object.prototype ? {} : Object.create(proto); + circularRefs && circularRefs.set(any, rv); + for (var prop in any) { + if (hasOwn(any, prop)) { + rv[prop] = innerDeepClone(any[prop]); } } - for (const [modelID, geometriesAssets] of modelGeomsAssets) { - // Set visibility of stream culler - this.culler.setVisibility(visible, modelID, geometriesAssets); - // set visibility of loaded fragments - for (const [geometryID] of geometriesAssets) { - const allFrags = this._loadedFragments[modelID]; - if (!allFrags) - continue; + } + return rv; +} +const { toString } = {}; +function toStringTag(o) { + return toString.call(o).slice(8, -1); +} +const iteratorSymbol = typeof Symbol !== 'undefined' ? + Symbol.iterator : + '@@iterator'; +const getIteratorOf = typeof iteratorSymbol === "symbol" ? function (x) { + var i; + return x != null && (i = x[iteratorSymbol]) && i.apply(x); +} : function () { return null; }; +const NO_CHAR_ARRAY = {}; +function getArrayOf(arrayLike) { + var i, a, x, it; + if (arguments.length === 1) { + if (isArray(arrayLike)) + return arrayLike.slice(); + if (this === NO_CHAR_ARRAY && typeof arrayLike === 'string') + return [arrayLike]; + if ((it = getIteratorOf(arrayLike))) { + a = []; + while ((x = it.next()), !x.done) + a.push(x.value); + return a; + } + if (arrayLike == null) + return [arrayLike]; + i = arrayLike.length; + if (typeof i === 'number') { + a = new Array(i); + while (i--) + a[i] = arrayLike[i]; + return a; + } + return [arrayLike]; + } + i = arguments.length; + a = new Array(i); + while (i--) + a[i] = arguments[i]; + return a; +} +const isAsyncFunction = typeof Symbol !== 'undefined' + ? (fn) => fn[Symbol.toStringTag] === 'AsyncFunction' + : () => false; + +var debug = typeof location !== 'undefined' && + /^(http|https):\/\/(localhost|127\.0\.0\.1)/.test(location.href); +function setDebug(value, filter) { + debug = value; + libraryFilter = filter; +} +var libraryFilter = () => true; +const NEEDS_THROW_FOR_STACK = !new Error("").stack; +function getErrorWithStack() { + if (NEEDS_THROW_FOR_STACK) + try { + getErrorWithStack.arguments; + throw new Error(); + } + catch (e) { + return e; + } + return new Error(); +} +function prettyStack(exception, numIgnoredFrames) { + var stack = exception.stack; + if (!stack) + return ""; + numIgnoredFrames = (numIgnoredFrames || 0); + if (stack.indexOf(exception.name) === 0) + numIgnoredFrames += (exception.name + exception.message).split('\n').length; + return stack.split('\n') + .slice(numIgnoredFrames) + .filter(libraryFilter) + .map(frame => "\n" + frame) + .join(''); +} + +var dexieErrorNames = [ + 'Modify', + 'Bulk', + 'OpenFailed', + 'VersionChange', + 'Schema', + 'Upgrade', + 'InvalidTable', + 'MissingAPI', + 'NoSuchDatabase', + 'InvalidArgument', + 'SubTransaction', + 'Unsupported', + 'Internal', + 'DatabaseClosed', + 'PrematureCommit', + 'ForeignAwait' +]; +var idbDomErrorNames = [ + 'Unknown', + 'Constraint', + 'Data', + 'TransactionInactive', + 'ReadOnly', + 'Version', + 'NotFound', + 'InvalidState', + 'InvalidAccess', + 'Abort', + 'Timeout', + 'QuotaExceeded', + 'Syntax', + 'DataClone' +]; +var errorList = dexieErrorNames.concat(idbDomErrorNames); +var defaultTexts = { + VersionChanged: "Database version changed by other database connection", + DatabaseClosed: "Database has been closed", + Abort: "Transaction aborted", + TransactionInactive: "Transaction has already completed or failed", + MissingAPI: "IndexedDB API missing. Please visit https://tinyurl.com/y2uuvskb" +}; +function DexieError(name, msg) { + this._e = getErrorWithStack(); + this.name = name; + this.message = msg; +} +derive(DexieError).from(Error).extend({ + stack: { + get: function () { + return this._stack || + (this._stack = this.name + ": " + this.message + prettyStack(this._e, 2)); + } + }, + toString: function () { return this.name + ": " + this.message; } +}); +function getMultiErrorMessage(msg, failures) { + return msg + ". Errors: " + Object.keys(failures) + .map(key => failures[key].toString()) + .filter((v, i, s) => s.indexOf(v) === i) + .join('\n'); +} +function ModifyError(msg, failures, successCount, failedKeys) { + this._e = getErrorWithStack(); + this.failures = failures; + this.failedKeys = failedKeys; + this.successCount = successCount; + this.message = getMultiErrorMessage(msg, failures); +} +derive(ModifyError).from(DexieError); +function BulkError(msg, failures) { + this._e = getErrorWithStack(); + this.name = "BulkError"; + this.failures = Object.keys(failures).map(pos => failures[pos]); + this.failuresByPos = failures; + this.message = getMultiErrorMessage(msg, failures); +} +derive(BulkError).from(DexieError); +var errnames = errorList.reduce((obj, name) => (obj[name] = name + "Error", obj), {}); +const BaseException = DexieError; +var exceptions = errorList.reduce((obj, name) => { + var fullName = name + "Error"; + function DexieError(msgOrInner, inner) { + this._e = getErrorWithStack(); + this.name = fullName; + if (!msgOrInner) { + this.message = defaultTexts[name] || fullName; + this.inner = null; + } + else if (typeof msgOrInner === 'string') { + this.message = `${msgOrInner}${!inner ? '' : '\n ' + inner}`; + this.inner = inner || null; + } + else if (typeof msgOrInner === 'object') { + this.message = `${msgOrInner.name} ${msgOrInner.message}`; + this.inner = msgOrInner; + } + } + derive(DexieError).from(BaseException); + obj[name] = DexieError; + return obj; +}, {}); +exceptions.Syntax = SyntaxError; +exceptions.Type = TypeError; +exceptions.Range = RangeError; +var exceptionMap = idbDomErrorNames.reduce((obj, name) => { + obj[name + "Error"] = exceptions[name]; + return obj; +}, {}); +function mapError(domError, message) { + if (!domError || domError instanceof DexieError || domError instanceof TypeError || domError instanceof SyntaxError || !domError.name || !exceptionMap[domError.name]) + return domError; + var rv = new exceptionMap[domError.name](message || domError.message, domError); + if ("stack" in domError) { + setProp(rv, "stack", { get: function () { + return this.inner.stack; + } }); + } + return rv; +} +var fullNameExceptions = errorList.reduce((obj, name) => { + if (["Syntax", "Type", "Range"].indexOf(name) === -1) + obj[name + "Error"] = exceptions[name]; + return obj; +}, {}); +fullNameExceptions.ModifyError = ModifyError; +fullNameExceptions.DexieError = DexieError; +fullNameExceptions.BulkError = BulkError; + +function nop() { } +function mirror(val) { return val; } +function pureFunctionChain(f1, f2) { + if (f1 == null || f1 === mirror) + return f2; + return function (val) { + return f2(f1(val)); + }; +} +function callBoth(on1, on2) { + return function () { + on1.apply(this, arguments); + on2.apply(this, arguments); + }; +} +function hookCreatingChain(f1, f2) { + if (f1 === nop) + return f2; + return function () { + var res = f1.apply(this, arguments); + if (res !== undefined) + arguments[0] = res; + var onsuccess = this.onsuccess, + onerror = this.onerror; + this.onsuccess = null; + this.onerror = null; + var res2 = f2.apply(this, arguments); + if (onsuccess) + this.onsuccess = this.onsuccess ? callBoth(onsuccess, this.onsuccess) : onsuccess; + if (onerror) + this.onerror = this.onerror ? callBoth(onerror, this.onerror) : onerror; + return res2 !== undefined ? res2 : res; + }; +} +function hookDeletingChain(f1, f2) { + if (f1 === nop) + return f2; + return function () { + f1.apply(this, arguments); + var onsuccess = this.onsuccess, + onerror = this.onerror; + this.onsuccess = this.onerror = null; + f2.apply(this, arguments); + if (onsuccess) + this.onsuccess = this.onsuccess ? callBoth(onsuccess, this.onsuccess) : onsuccess; + if (onerror) + this.onerror = this.onerror ? callBoth(onerror, this.onerror) : onerror; + }; +} +function hookUpdatingChain(f1, f2) { + if (f1 === nop) + return f2; + return function (modifications) { + var res = f1.apply(this, arguments); + extend(modifications, res); + var onsuccess = this.onsuccess, + onerror = this.onerror; + this.onsuccess = null; + this.onerror = null; + var res2 = f2.apply(this, arguments); + if (onsuccess) + this.onsuccess = this.onsuccess ? callBoth(onsuccess, this.onsuccess) : onsuccess; + if (onerror) + this.onerror = this.onerror ? callBoth(onerror, this.onerror) : onerror; + return res === undefined ? + (res2 === undefined ? undefined : res2) : + (extend(res, res2)); + }; +} +function reverseStoppableEventChain(f1, f2) { + if (f1 === nop) + return f2; + return function () { + if (f2.apply(this, arguments) === false) + return false; + return f1.apply(this, arguments); + }; +} +function promisableChain(f1, f2) { + if (f1 === nop) + return f2; + return function () { + var res = f1.apply(this, arguments); + if (res && typeof res.then === 'function') { + var thiz = this, i = arguments.length, args = new Array(i); + while (i--) + args[i] = arguments[i]; + return res.then(function () { + return f2.apply(thiz, args); + }); + } + return f2.apply(this, arguments); + }; +} + +var INTERNAL = {}; +const LONG_STACKS_CLIP_LIMIT = 100, +MAX_LONG_STACKS = 20, ZONE_ECHO_LIMIT = 100, [resolvedNativePromise, nativePromiseProto, resolvedGlobalPromise] = typeof Promise === 'undefined' ? + [] : + (() => { + let globalP = Promise.resolve(); + if (typeof crypto === 'undefined' || !crypto.subtle) + return [globalP, getProto(globalP), globalP]; + const nativeP = crypto.subtle.digest("SHA-512", new Uint8Array([0])); + return [ + nativeP, + getProto(nativeP), + globalP + ]; + })(), nativePromiseThen = nativePromiseProto && nativePromiseProto.then; +const NativePromise = resolvedNativePromise && resolvedNativePromise.constructor; +const patchGlobalPromise = !!resolvedGlobalPromise; +var stack_being_generated = false; +var schedulePhysicalTick = resolvedGlobalPromise ? + () => { resolvedGlobalPromise.then(physicalTick); } + : + _global.setImmediate ? + setImmediate.bind(null, physicalTick) : + _global.MutationObserver ? + () => { + var hiddenDiv = document.createElement("div"); + (new MutationObserver(() => { + physicalTick(); + hiddenDiv = null; + })).observe(hiddenDiv, { attributes: true }); + hiddenDiv.setAttribute('i', '1'); + } : + () => { setTimeout(physicalTick, 0); }; +var asap = function (callback, args) { + microtickQueue.push([callback, args]); + if (needsNewPhysicalTick) { + schedulePhysicalTick(); + needsNewPhysicalTick = false; + } +}; +var isOutsideMicroTick = true, +needsNewPhysicalTick = true, +unhandledErrors = [], +rejectingErrors = [], +currentFulfiller = null, rejectionMapper = mirror; +var globalPSD = { + id: 'global', + global: true, + ref: 0, + unhandleds: [], + onunhandled: globalError, + pgp: false, + env: {}, + finalize: function () { + this.unhandleds.forEach(uh => { + try { + globalError(uh[0], uh[1]); + } + catch (e) { } + }); + } +}; +var PSD = globalPSD; +var microtickQueue = []; +var numScheduledCalls = 0; +var tickFinalizers = []; +function DexiePromise(fn) { + if (typeof this !== 'object') + throw new TypeError('Promises must be constructed via new'); + this._listeners = []; + this.onuncatched = nop; + this._lib = false; + var psd = (this._PSD = PSD); + if (debug) { + this._stackHolder = getErrorWithStack(); + this._prev = null; + this._numPrev = 0; + } + if (typeof fn !== 'function') { + if (fn !== INTERNAL) + throw new TypeError('Not a function'); + this._state = arguments[1]; + this._value = arguments[2]; + if (this._state === false) + handleRejection(this, this._value); + return; + } + this._state = null; + this._value = null; + ++psd.ref; + executePromiseTask(this, fn); +} +const thenProp = { + get: function () { + var psd = PSD, microTaskId = totalEchoes; + function then(onFulfilled, onRejected) { + var possibleAwait = !psd.global && (psd !== PSD || microTaskId !== totalEchoes); + const cleanup = possibleAwait && !decrementExpectedAwaits(); + var rv = new DexiePromise((resolve, reject) => { + propagateToListener(this, new Listener(nativeAwaitCompatibleWrap(onFulfilled, psd, possibleAwait, cleanup), nativeAwaitCompatibleWrap(onRejected, psd, possibleAwait, cleanup), resolve, reject, psd)); + }); + debug && linkToPreviousPromise(rv, this); + return rv; + } + then.prototype = INTERNAL; + return then; + }, + set: function (value) { + setProp(this, 'then', value && value.prototype === INTERNAL ? + thenProp : + { + get: function () { + return value; + }, + set: thenProp.set + }); + } +}; +props(DexiePromise.prototype, { + then: thenProp, + _then: function (onFulfilled, onRejected) { + propagateToListener(this, new Listener(null, null, onFulfilled, onRejected, PSD)); + }, + catch: function (onRejected) { + if (arguments.length === 1) + return this.then(null, onRejected); + var type = arguments[0], handler = arguments[1]; + return typeof type === 'function' ? this.then(null, err => + err instanceof type ? handler(err) : PromiseReject(err)) + : this.then(null, err => + err && err.name === type ? handler(err) : PromiseReject(err)); + }, + finally: function (onFinally) { + return this.then(value => { + onFinally(); + return value; + }, err => { + onFinally(); + return PromiseReject(err); + }); + }, + stack: { + get: function () { + if (this._stack) + return this._stack; + try { + stack_being_generated = true; + var stacks = getStack(this, [], MAX_LONG_STACKS); + var stack = stacks.join("\nFrom previous: "); + if (this._state !== null) + this._stack = stack; + return stack; + } + finally { + stack_being_generated = false; + } + } + }, + timeout: function (ms, msg) { + return ms < Infinity ? + new DexiePromise((resolve, reject) => { + var handle = setTimeout(() => reject(new exceptions.Timeout(msg)), ms); + this.then(resolve, reject).finally(clearTimeout.bind(null, handle)); + }) : this; + } +}); +if (typeof Symbol !== 'undefined' && Symbol.toStringTag) + setProp(DexiePromise.prototype, Symbol.toStringTag, 'Dexie.Promise'); +globalPSD.env = snapShot(); +function Listener(onFulfilled, onRejected, resolve, reject, zone) { + this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null; + this.onRejected = typeof onRejected === 'function' ? onRejected : null; + this.resolve = resolve; + this.reject = reject; + this.psd = zone; +} +props(DexiePromise, { + all: function () { + var values = getArrayOf.apply(null, arguments) + .map(onPossibleParallellAsync); + return new DexiePromise(function (resolve, reject) { + if (values.length === 0) + resolve([]); + var remaining = values.length; + values.forEach((a, i) => DexiePromise.resolve(a).then(x => { + values[i] = x; + if (!--remaining) + resolve(values); + }, reject)); + }); + }, + resolve: value => { + if (value instanceof DexiePromise) + return value; + if (value && typeof value.then === 'function') + return new DexiePromise((resolve, reject) => { + value.then(resolve, reject); + }); + var rv = new DexiePromise(INTERNAL, true, value); + linkToPreviousPromise(rv, currentFulfiller); + return rv; + }, + reject: PromiseReject, + race: function () { + var values = getArrayOf.apply(null, arguments).map(onPossibleParallellAsync); + return new DexiePromise((resolve, reject) => { + values.map(value => DexiePromise.resolve(value).then(resolve, reject)); + }); + }, + PSD: { + get: () => PSD, + set: value => PSD = value + }, + totalEchoes: { get: () => totalEchoes }, + newPSD: newScope, + usePSD: usePSD, + scheduler: { + get: () => asap, + set: value => { asap = value; } + }, + rejectionMapper: { + get: () => rejectionMapper, + set: value => { rejectionMapper = value; } + }, + follow: (fn, zoneProps) => { + return new DexiePromise((resolve, reject) => { + return newScope((resolve, reject) => { + var psd = PSD; + psd.unhandleds = []; + psd.onunhandled = reject; + psd.finalize = callBoth(function () { + run_at_end_of_this_or_next_physical_tick(() => { + this.unhandleds.length === 0 ? resolve() : reject(this.unhandleds[0]); + }); + }, psd.finalize); + fn(); + }, zoneProps, resolve, reject); + }); + } +}); +if (NativePromise) { + if (NativePromise.allSettled) + setProp(DexiePromise, "allSettled", function () { + const possiblePromises = getArrayOf.apply(null, arguments).map(onPossibleParallellAsync); + return new DexiePromise(resolve => { + if (possiblePromises.length === 0) + resolve([]); + let remaining = possiblePromises.length; + const results = new Array(remaining); + possiblePromises.forEach((p, i) => DexiePromise.resolve(p).then(value => results[i] = { status: "fulfilled", value }, reason => results[i] = { status: "rejected", reason }) + .then(() => --remaining || resolve(results))); + }); + }); + if (NativePromise.any && typeof AggregateError !== 'undefined') + setProp(DexiePromise, "any", function () { + const possiblePromises = getArrayOf.apply(null, arguments).map(onPossibleParallellAsync); + return new DexiePromise((resolve, reject) => { + if (possiblePromises.length === 0) + reject(new AggregateError([])); + let remaining = possiblePromises.length; + const failures = new Array(remaining); + possiblePromises.forEach((p, i) => DexiePromise.resolve(p).then(value => resolve(value), failure => { + failures[i] = failure; + if (!--remaining) + reject(new AggregateError(failures)); + })); + }); + }); +} +function executePromiseTask(promise, fn) { + try { + fn(value => { + if (promise._state !== null) + return; + if (value === promise) + throw new TypeError('A promise cannot be resolved with itself.'); + var shouldExecuteTick = promise._lib && beginMicroTickScope(); + if (value && typeof value.then === 'function') { + executePromiseTask(promise, (resolve, reject) => { + value instanceof DexiePromise ? + value._then(resolve, reject) : + value.then(resolve, reject); + }); + } + else { + promise._state = true; + promise._value = value; + propagateAllListeners(promise); + } + if (shouldExecuteTick) + endMicroTickScope(); + }, handleRejection.bind(null, promise)); + } + catch (ex) { + handleRejection(promise, ex); + } +} +function handleRejection(promise, reason) { + rejectingErrors.push(reason); + if (promise._state !== null) + return; + var shouldExecuteTick = promise._lib && beginMicroTickScope(); + reason = rejectionMapper(reason); + promise._state = false; + promise._value = reason; + debug && reason !== null && typeof reason === 'object' && !reason._promise && tryCatch(() => { + var origProp = getPropertyDescriptor(reason, "stack"); + reason._promise = promise; + setProp(reason, "stack", { + get: () => stack_being_generated ? + origProp && (origProp.get ? + origProp.get.apply(reason) : + origProp.value) : + promise.stack + }); + }); + addPossiblyUnhandledError(promise); + propagateAllListeners(promise); + if (shouldExecuteTick) + endMicroTickScope(); +} +function propagateAllListeners(promise) { + var listeners = promise._listeners; + promise._listeners = []; + for (var i = 0, len = listeners.length; i < len; ++i) { + propagateToListener(promise, listeners[i]); + } + var psd = promise._PSD; + --psd.ref || psd.finalize(); + if (numScheduledCalls === 0) { + ++numScheduledCalls; + asap(() => { + if (--numScheduledCalls === 0) + finalizePhysicalTick(); + }, []); + } +} +function propagateToListener(promise, listener) { + if (promise._state === null) { + promise._listeners.push(listener); + return; + } + var cb = promise._state ? listener.onFulfilled : listener.onRejected; + if (cb === null) { + return (promise._state ? listener.resolve : listener.reject)(promise._value); + } + ++listener.psd.ref; + ++numScheduledCalls; + asap(callListener, [cb, promise, listener]); +} +function callListener(cb, promise, listener) { + try { + currentFulfiller = promise; + var ret, value = promise._value; + if (promise._state) { + ret = cb(value); + } + else { + if (rejectingErrors.length) + rejectingErrors = []; + ret = cb(value); + if (rejectingErrors.indexOf(value) === -1) + markErrorAsHandled(promise); + } + listener.resolve(ret); + } + catch (e) { + listener.reject(e); + } + finally { + currentFulfiller = null; + if (--numScheduledCalls === 0) + finalizePhysicalTick(); + --listener.psd.ref || listener.psd.finalize(); + } +} +function getStack(promise, stacks, limit) { + if (stacks.length === limit) + return stacks; + var stack = ""; + if (promise._state === false) { + var failure = promise._value, errorName, message; + if (failure != null) { + errorName = failure.name || "Error"; + message = failure.message || failure; + stack = prettyStack(failure, 0); + } + else { + errorName = failure; + message = ""; + } + stacks.push(errorName + (message ? ": " + message : "") + stack); + } + if (debug) { + stack = prettyStack(promise._stackHolder, 2); + if (stack && stacks.indexOf(stack) === -1) + stacks.push(stack); + if (promise._prev) + getStack(promise._prev, stacks, limit); + } + return stacks; +} +function linkToPreviousPromise(promise, prev) { + var numPrev = prev ? prev._numPrev + 1 : 0; + if (numPrev < LONG_STACKS_CLIP_LIMIT) { + promise._prev = prev; + promise._numPrev = numPrev; + } +} +function physicalTick() { + beginMicroTickScope() && endMicroTickScope(); +} +function beginMicroTickScope() { + var wasRootExec = isOutsideMicroTick; + isOutsideMicroTick = false; + needsNewPhysicalTick = false; + return wasRootExec; +} +function endMicroTickScope() { + var callbacks, i, l; + do { + while (microtickQueue.length > 0) { + callbacks = microtickQueue; + microtickQueue = []; + l = callbacks.length; + for (i = 0; i < l; ++i) { + var item = callbacks[i]; + item[0].apply(null, item[1]); + } + } + } while (microtickQueue.length > 0); + isOutsideMicroTick = true; + needsNewPhysicalTick = true; +} +function finalizePhysicalTick() { + var unhandledErrs = unhandledErrors; + unhandledErrors = []; + unhandledErrs.forEach(p => { + p._PSD.onunhandled.call(null, p._value, p); + }); + var finalizers = tickFinalizers.slice(0); + var i = finalizers.length; + while (i) + finalizers[--i](); +} +function run_at_end_of_this_or_next_physical_tick(fn) { + function finalizer() { + fn(); + tickFinalizers.splice(tickFinalizers.indexOf(finalizer), 1); + } + tickFinalizers.push(finalizer); + ++numScheduledCalls; + asap(() => { + if (--numScheduledCalls === 0) + finalizePhysicalTick(); + }, []); +} +function addPossiblyUnhandledError(promise) { + if (!unhandledErrors.some(p => p._value === promise._value)) + unhandledErrors.push(promise); +} +function markErrorAsHandled(promise) { + var i = unhandledErrors.length; + while (i) + if (unhandledErrors[--i]._value === promise._value) { + unhandledErrors.splice(i, 1); + return; + } +} +function PromiseReject(reason) { + return new DexiePromise(INTERNAL, false, reason); +} +function wrap(fn, errorCatcher) { + var psd = PSD; + return function () { + var wasRootExec = beginMicroTickScope(), outerScope = PSD; + try { + switchToZone(psd, true); + return fn.apply(this, arguments); + } + catch (e) { + errorCatcher && errorCatcher(e); + } + finally { + switchToZone(outerScope, false); + if (wasRootExec) + endMicroTickScope(); + } + }; +} +const task = { awaits: 0, echoes: 0, id: 0 }; +var taskCounter = 0; +var zoneStack = []; +var zoneEchoes = 0; +var totalEchoes = 0; +var zone_id_counter = 0; +function newScope(fn, props, a1, a2) { + var parent = PSD, psd = Object.create(parent); + psd.parent = parent; + psd.ref = 0; + psd.global = false; + psd.id = ++zone_id_counter; + var globalEnv = globalPSD.env; + psd.env = patchGlobalPromise ? { + Promise: DexiePromise, + PromiseProp: { value: DexiePromise, configurable: true, writable: true }, + all: DexiePromise.all, + race: DexiePromise.race, + allSettled: DexiePromise.allSettled, + any: DexiePromise.any, + resolve: DexiePromise.resolve, + reject: DexiePromise.reject, + nthen: getPatchedPromiseThen(globalEnv.nthen, psd), + gthen: getPatchedPromiseThen(globalEnv.gthen, psd) + } : {}; + if (props) + extend(psd, props); + ++parent.ref; + psd.finalize = function () { + --this.parent.ref || this.parent.finalize(); + }; + var rv = usePSD(psd, fn, a1, a2); + if (psd.ref === 0) + psd.finalize(); + return rv; +} +function incrementExpectedAwaits() { + if (!task.id) + task.id = ++taskCounter; + ++task.awaits; + task.echoes += ZONE_ECHO_LIMIT; + return task.id; +} +function decrementExpectedAwaits() { + if (!task.awaits) + return false; + if (--task.awaits === 0) + task.id = 0; + task.echoes = task.awaits * ZONE_ECHO_LIMIT; + return true; +} +if (('' + nativePromiseThen).indexOf('[native code]') === -1) { + incrementExpectedAwaits = decrementExpectedAwaits = nop; +} +function onPossibleParallellAsync(possiblePromise) { + if (task.echoes && possiblePromise && possiblePromise.constructor === NativePromise) { + incrementExpectedAwaits(); + return possiblePromise.then(x => { + decrementExpectedAwaits(); + return x; + }, e => { + decrementExpectedAwaits(); + return rejection(e); + }); + } + return possiblePromise; +} +function zoneEnterEcho(targetZone) { + ++totalEchoes; + if (!task.echoes || --task.echoes === 0) { + task.echoes = task.id = 0; + } + zoneStack.push(PSD); + switchToZone(targetZone, true); +} +function zoneLeaveEcho() { + var zone = zoneStack[zoneStack.length - 1]; + zoneStack.pop(); + switchToZone(zone, false); +} +function switchToZone(targetZone, bEnteringZone) { + var currentZone = PSD; + if (bEnteringZone ? task.echoes && (!zoneEchoes++ || targetZone !== PSD) : zoneEchoes && (!--zoneEchoes || targetZone !== PSD)) { + enqueueNativeMicroTask(bEnteringZone ? zoneEnterEcho.bind(null, targetZone) : zoneLeaveEcho); + } + if (targetZone === PSD) + return; + PSD = targetZone; + if (currentZone === globalPSD) + globalPSD.env = snapShot(); + if (patchGlobalPromise) { + var GlobalPromise = globalPSD.env.Promise; + var targetEnv = targetZone.env; + nativePromiseProto.then = targetEnv.nthen; + GlobalPromise.prototype.then = targetEnv.gthen; + if (currentZone.global || targetZone.global) { + Object.defineProperty(_global, 'Promise', targetEnv.PromiseProp); + GlobalPromise.all = targetEnv.all; + GlobalPromise.race = targetEnv.race; + GlobalPromise.resolve = targetEnv.resolve; + GlobalPromise.reject = targetEnv.reject; + if (targetEnv.allSettled) + GlobalPromise.allSettled = targetEnv.allSettled; + if (targetEnv.any) + GlobalPromise.any = targetEnv.any; + } + } +} +function snapShot() { + var GlobalPromise = _global.Promise; + return patchGlobalPromise ? { + Promise: GlobalPromise, + PromiseProp: Object.getOwnPropertyDescriptor(_global, "Promise"), + all: GlobalPromise.all, + race: GlobalPromise.race, + allSettled: GlobalPromise.allSettled, + any: GlobalPromise.any, + resolve: GlobalPromise.resolve, + reject: GlobalPromise.reject, + nthen: nativePromiseProto.then, + gthen: GlobalPromise.prototype.then + } : {}; +} +function usePSD(psd, fn, a1, a2, a3) { + var outerScope = PSD; + try { + switchToZone(psd, true); + return fn(a1, a2, a3); + } + finally { + switchToZone(outerScope, false); + } +} +function enqueueNativeMicroTask(job) { + nativePromiseThen.call(resolvedNativePromise, job); +} +function nativeAwaitCompatibleWrap(fn, zone, possibleAwait, cleanup) { + return typeof fn !== 'function' ? fn : function () { + var outerZone = PSD; + if (possibleAwait) + incrementExpectedAwaits(); + switchToZone(zone, true); + try { + return fn.apply(this, arguments); + } + finally { + switchToZone(outerZone, false); + if (cleanup) + enqueueNativeMicroTask(decrementExpectedAwaits); + } + }; +} +function getPatchedPromiseThen(origThen, zone) { + return function (onResolved, onRejected) { + return origThen.call(this, nativeAwaitCompatibleWrap(onResolved, zone), nativeAwaitCompatibleWrap(onRejected, zone)); + }; +} +const UNHANDLEDREJECTION = "unhandledrejection"; +function globalError(err, promise) { + var rv; + try { + rv = promise.onuncatched(err); + } + catch (e) { } + if (rv !== false) + try { + var event, eventData = { promise: promise, reason: err }; + if (_global.document && document.createEvent) { + event = document.createEvent('Event'); + event.initEvent(UNHANDLEDREJECTION, true, true); + extend(event, eventData); + } + else if (_global.CustomEvent) { + event = new CustomEvent(UNHANDLEDREJECTION, { detail: eventData }); + extend(event, eventData); + } + if (event && _global.dispatchEvent) { + dispatchEvent(event); + if (!_global.PromiseRejectionEvent && _global.onunhandledrejection) + try { + _global.onunhandledrejection(event); + } + catch (_) { } + } + if (debug && event && !event.defaultPrevented) { + console.warn(`Unhandled rejection: ${err.stack || err}`); + } + } + catch (e) { } +} +var rejection = DexiePromise.reject; + +function tempTransaction(db, mode, storeNames, fn) { + if (!db.idbdb || (!db._state.openComplete && (!PSD.letThrough && !db._vip))) { + if (db._state.openComplete) { + return rejection(new exceptions.DatabaseClosed(db._state.dbOpenError)); + } + if (!db._state.isBeingOpened) { + if (!db._options.autoOpen) + return rejection(new exceptions.DatabaseClosed()); + db.open().catch(nop); + } + return db._state.dbReadyPromise.then(() => tempTransaction(db, mode, storeNames, fn)); + } + else { + var trans = db._createTransaction(mode, storeNames, db._dbSchema); + try { + trans.create(); + db._state.PR1398_maxLoop = 3; + } + catch (ex) { + if (ex.name === errnames.InvalidState && db.isOpen() && --db._state.PR1398_maxLoop > 0) { + console.warn('Dexie: Need to reopen db'); + db._close(); + return db.open().then(() => tempTransaction(db, mode, storeNames, fn)); + } + return rejection(ex); + } + return trans._promise(mode, (resolve, reject) => { + return newScope(() => { + PSD.trans = trans; + return fn(resolve, reject, trans); + }); + }).then(result => { + return trans._completion.then(() => result); + }); + } +} + +const DEXIE_VERSION = '3.2.4'; +const maxString = String.fromCharCode(65535); +const minKey = -Infinity; +const INVALID_KEY_ARGUMENT = "Invalid key provided. Keys must be of type string, number, Date or Array."; +const STRING_EXPECTED = "String expected."; +const connections = []; +const isIEOrEdge = typeof navigator !== 'undefined' && /(MSIE|Trident|Edge)/.test(navigator.userAgent); +const hasIEDeleteObjectStoreBug = isIEOrEdge; +const hangsOnDeleteLargeKeyRange = isIEOrEdge; +const dexieStackFrameFilter = frame => !/(dexie\.js|dexie\.min\.js)/.test(frame); +const DBNAMES_DB = '__dbnames'; +const READONLY = 'readonly'; +const READWRITE = 'readwrite'; + +function combine(filter1, filter2) { + return filter1 ? + filter2 ? + function () { return filter1.apply(this, arguments) && filter2.apply(this, arguments); } : + filter1 : + filter2; +} + +const AnyRange = { + type: 3 , + lower: -Infinity, + lowerOpen: false, + upper: [[]], + upperOpen: false +}; + +function workaroundForUndefinedPrimKey(keyPath) { + return typeof keyPath === "string" && !/\./.test(keyPath) + ? (obj) => { + if (obj[keyPath] === undefined && (keyPath in obj)) { + obj = deepClone(obj); + delete obj[keyPath]; + } + return obj; + } + : (obj) => obj; +} + +let Table$3 = class Table { + _trans(mode, fn, writeLocked) { + const trans = this._tx || PSD.trans; + const tableName = this.name; + function checkTableInTransaction(resolve, reject, trans) { + if (!trans.schema[tableName]) + throw new exceptions.NotFound("Table " + tableName + " not part of transaction"); + return fn(trans.idbtrans, trans); + } + const wasRootExec = beginMicroTickScope(); + try { + return trans && trans.db === this.db ? + trans === PSD.trans ? + trans._promise(mode, checkTableInTransaction, writeLocked) : + newScope(() => trans._promise(mode, checkTableInTransaction, writeLocked), { trans: trans, transless: PSD.transless || PSD }) : + tempTransaction(this.db, mode, [this.name], checkTableInTransaction); + } + finally { + if (wasRootExec) + endMicroTickScope(); + } + } + get(keyOrCrit, cb) { + if (keyOrCrit && keyOrCrit.constructor === Object) + return this.where(keyOrCrit).first(cb); + return this._trans('readonly', (trans) => { + return this.core.get({ trans, key: keyOrCrit }) + .then(res => this.hook.reading.fire(res)); + }).then(cb); + } + where(indexOrCrit) { + if (typeof indexOrCrit === 'string') + return new this.db.WhereClause(this, indexOrCrit); + if (isArray(indexOrCrit)) + return new this.db.WhereClause(this, `[${indexOrCrit.join('+')}]`); + const keyPaths = keys(indexOrCrit); + if (keyPaths.length === 1) + return this + .where(keyPaths[0]) + .equals(indexOrCrit[keyPaths[0]]); + const compoundIndex = this.schema.indexes.concat(this.schema.primKey).filter(ix => ix.compound && + keyPaths.every(keyPath => ix.keyPath.indexOf(keyPath) >= 0) && + ix.keyPath.every(keyPath => keyPaths.indexOf(keyPath) >= 0))[0]; + if (compoundIndex && this.db._maxKey !== maxString) + return this + .where(compoundIndex.name) + .equals(compoundIndex.keyPath.map(kp => indexOrCrit[kp])); + if (!compoundIndex && debug) + console.warn(`The query ${JSON.stringify(indexOrCrit)} on ${this.name} would benefit of a ` + + `compound index [${keyPaths.join('+')}]`); + const { idxByName } = this.schema; + const idb = this.db._deps.indexedDB; + function equals(a, b) { + try { + return idb.cmp(a, b) === 0; + } + catch (e) { + return false; + } + } + const [idx, filterFunction] = keyPaths.reduce(([prevIndex, prevFilterFn], keyPath) => { + const index = idxByName[keyPath]; + const value = indexOrCrit[keyPath]; + return [ + prevIndex || index, + prevIndex || !index ? + combine(prevFilterFn, index && index.multi ? + x => { + const prop = getByKeyPath(x, keyPath); + return isArray(prop) && prop.some(item => equals(value, item)); + } : x => equals(value, getByKeyPath(x, keyPath))) + : prevFilterFn + ]; + }, [null, null]); + return idx ? + this.where(idx.name).equals(indexOrCrit[idx.keyPath]) + .filter(filterFunction) : + compoundIndex ? + this.filter(filterFunction) : + this.where(keyPaths).equals(''); + } + filter(filterFunction) { + return this.toCollection().and(filterFunction); + } + count(thenShortcut) { + return this.toCollection().count(thenShortcut); + } + offset(offset) { + return this.toCollection().offset(offset); + } + limit(numRows) { + return this.toCollection().limit(numRows); + } + each(callback) { + return this.toCollection().each(callback); + } + toArray(thenShortcut) { + return this.toCollection().toArray(thenShortcut); + } + toCollection() { + return new this.db.Collection(new this.db.WhereClause(this)); + } + orderBy(index) { + return new this.db.Collection(new this.db.WhereClause(this, isArray(index) ? + `[${index.join('+')}]` : + index)); + } + reverse() { + return this.toCollection().reverse(); + } + mapToClass(constructor) { + this.schema.mappedClass = constructor; + const readHook = obj => { + if (!obj) + return obj; + const res = Object.create(constructor.prototype); + for (var m in obj) + if (hasOwn(obj, m)) + try { + res[m] = obj[m]; + } + catch (_) { } + return res; + }; + if (this.schema.readHook) { + this.hook.reading.unsubscribe(this.schema.readHook); + } + this.schema.readHook = readHook; + this.hook("reading", readHook); + return constructor; + } + defineClass() { + function Class(content) { + extend(this, content); + } + return this.mapToClass(Class); + } + add(obj, key) { + const { auto, keyPath } = this.schema.primKey; + let objToAdd = obj; + if (keyPath && auto) { + objToAdd = workaroundForUndefinedPrimKey(keyPath)(obj); + } + return this._trans('readwrite', trans => { + return this.core.mutate({ trans, type: 'add', keys: key != null ? [key] : null, values: [objToAdd] }); + }).then(res => res.numFailures ? DexiePromise.reject(res.failures[0]) : res.lastResult) + .then(lastResult => { + if (keyPath) { + try { + setByKeyPath(obj, keyPath, lastResult); + } + catch (_) { } + } + return lastResult; + }); + } + update(keyOrObject, modifications) { + if (typeof keyOrObject === 'object' && !isArray(keyOrObject)) { + const key = getByKeyPath(keyOrObject, this.schema.primKey.keyPath); + if (key === undefined) + return rejection(new exceptions.InvalidArgument("Given object does not contain its primary key")); + try { + if (typeof modifications !== "function") { + keys(modifications).forEach(keyPath => { + setByKeyPath(keyOrObject, keyPath, modifications[keyPath]); + }); + } + else { + modifications(keyOrObject, { value: keyOrObject, primKey: key }); + } + } + catch (_a) { + } + return this.where(":id").equals(key).modify(modifications); + } + else { + return this.where(":id").equals(keyOrObject).modify(modifications); + } + } + put(obj, key) { + const { auto, keyPath } = this.schema.primKey; + let objToAdd = obj; + if (keyPath && auto) { + objToAdd = workaroundForUndefinedPrimKey(keyPath)(obj); + } + return this._trans('readwrite', trans => this.core.mutate({ trans, type: 'put', values: [objToAdd], keys: key != null ? [key] : null })) + .then(res => res.numFailures ? DexiePromise.reject(res.failures[0]) : res.lastResult) + .then(lastResult => { + if (keyPath) { + try { + setByKeyPath(obj, keyPath, lastResult); + } + catch (_) { } + } + return lastResult; + }); + } + delete(key) { + return this._trans('readwrite', trans => this.core.mutate({ trans, type: 'delete', keys: [key] })) + .then(res => res.numFailures ? DexiePromise.reject(res.failures[0]) : undefined); + } + clear() { + return this._trans('readwrite', trans => this.core.mutate({ trans, type: 'deleteRange', range: AnyRange })) + .then(res => res.numFailures ? DexiePromise.reject(res.failures[0]) : undefined); + } + bulkGet(keys) { + return this._trans('readonly', trans => { + return this.core.getMany({ + keys, + trans + }).then(result => result.map(res => this.hook.reading.fire(res))); + }); + } + bulkAdd(objects, keysOrOptions, options) { + const keys = Array.isArray(keysOrOptions) ? keysOrOptions : undefined; + options = options || (keys ? undefined : keysOrOptions); + const wantResults = options ? options.allKeys : undefined; + return this._trans('readwrite', trans => { + const { auto, keyPath } = this.schema.primKey; + if (keyPath && keys) + throw new exceptions.InvalidArgument("bulkAdd(): keys argument invalid on tables with inbound keys"); + if (keys && keys.length !== objects.length) + throw new exceptions.InvalidArgument("Arguments objects and keys must have the same length"); + const numObjects = objects.length; + let objectsToAdd = keyPath && auto ? + objects.map(workaroundForUndefinedPrimKey(keyPath)) : + objects; + return this.core.mutate({ trans, type: 'add', keys: keys, values: objectsToAdd, wantResults }) + .then(({ numFailures, results, lastResult, failures }) => { + const result = wantResults ? results : lastResult; + if (numFailures === 0) + return result; + throw new BulkError(`${this.name}.bulkAdd(): ${numFailures} of ${numObjects} operations failed`, failures); + }); + }); + } + bulkPut(objects, keysOrOptions, options) { + const keys = Array.isArray(keysOrOptions) ? keysOrOptions : undefined; + options = options || (keys ? undefined : keysOrOptions); + const wantResults = options ? options.allKeys : undefined; + return this._trans('readwrite', trans => { + const { auto, keyPath } = this.schema.primKey; + if (keyPath && keys) + throw new exceptions.InvalidArgument("bulkPut(): keys argument invalid on tables with inbound keys"); + if (keys && keys.length !== objects.length) + throw new exceptions.InvalidArgument("Arguments objects and keys must have the same length"); + const numObjects = objects.length; + let objectsToPut = keyPath && auto ? + objects.map(workaroundForUndefinedPrimKey(keyPath)) : + objects; + return this.core.mutate({ trans, type: 'put', keys: keys, values: objectsToPut, wantResults }) + .then(({ numFailures, results, lastResult, failures }) => { + const result = wantResults ? results : lastResult; + if (numFailures === 0) + return result; + throw new BulkError(`${this.name}.bulkPut(): ${numFailures} of ${numObjects} operations failed`, failures); + }); + }); + } + bulkDelete(keys) { + const numKeys = keys.length; + return this._trans('readwrite', trans => { + return this.core.mutate({ trans, type: 'delete', keys: keys }); + }).then(({ numFailures, lastResult, failures }) => { + if (numFailures === 0) + return lastResult; + throw new BulkError(`${this.name}.bulkDelete(): ${numFailures} of ${numKeys} operations failed`, failures); + }); + } +}; + +function Events(ctx) { + var evs = {}; + var rv = function (eventName, subscriber) { + if (subscriber) { + var i = arguments.length, args = new Array(i - 1); + while (--i) + args[i - 1] = arguments[i]; + evs[eventName].subscribe.apply(null, args); + return ctx; + } + else if (typeof (eventName) === 'string') { + return evs[eventName]; + } + }; + rv.addEventType = add; + for (var i = 1, l = arguments.length; i < l; ++i) { + add(arguments[i]); + } + return rv; + function add(eventName, chainFunction, defaultFunction) { + if (typeof eventName === 'object') + return addConfiguredEvents(eventName); + if (!chainFunction) + chainFunction = reverseStoppableEventChain; + if (!defaultFunction) + defaultFunction = nop; + var context = { + subscribers: [], + fire: defaultFunction, + subscribe: function (cb) { + if (context.subscribers.indexOf(cb) === -1) { + context.subscribers.push(cb); + context.fire = chainFunction(context.fire, cb); + } + }, + unsubscribe: function (cb) { + context.subscribers = context.subscribers.filter(function (fn) { return fn !== cb; }); + context.fire = context.subscribers.reduce(chainFunction, defaultFunction); + } + }; + evs[eventName] = rv[eventName] = context; + return context; + } + function addConfiguredEvents(cfg) { + keys(cfg).forEach(function (eventName) { + var args = cfg[eventName]; + if (isArray(args)) { + add(eventName, cfg[eventName][0], cfg[eventName][1]); + } + else if (args === 'asap') { + var context = add(eventName, mirror, function fire() { + var i = arguments.length, args = new Array(i); + while (i--) + args[i] = arguments[i]; + context.subscribers.forEach(function (fn) { + asap$1(function fireEvent() { + fn.apply(null, args); + }); + }); + }); + } + else + throw new exceptions.InvalidArgument("Invalid event config"); + }); + } +} + +function makeClassConstructor(prototype, constructor) { + derive(constructor).from({ prototype }); + return constructor; +} + +function createTableConstructor(db) { + return makeClassConstructor(Table$3.prototype, function Table(name, tableSchema, trans) { + this.db = db; + this._tx = trans; + this.name = name; + this.schema = tableSchema; + this.hook = db._allTables[name] ? db._allTables[name].hook : Events(null, { + "creating": [hookCreatingChain, nop], + "reading": [pureFunctionChain, mirror], + "updating": [hookUpdatingChain, nop], + "deleting": [hookDeletingChain, nop] + }); + }); +} + +function isPlainKeyRange(ctx, ignoreLimitFilter) { + return !(ctx.filter || ctx.algorithm || ctx.or) && + (ignoreLimitFilter ? ctx.justLimit : !ctx.replayFilter); +} +function addFilter(ctx, fn) { + ctx.filter = combine(ctx.filter, fn); +} +function addReplayFilter(ctx, factory, isLimitFilter) { + var curr = ctx.replayFilter; + ctx.replayFilter = curr ? () => combine(curr(), factory()) : factory; + ctx.justLimit = isLimitFilter && !curr; +} +function addMatchFilter(ctx, fn) { + ctx.isMatch = combine(ctx.isMatch, fn); +} +function getIndexOrStore(ctx, coreSchema) { + if (ctx.isPrimKey) + return coreSchema.primaryKey; + const index = coreSchema.getIndexByKeyPath(ctx.index); + if (!index) + throw new exceptions.Schema("KeyPath " + ctx.index + " on object store " + coreSchema.name + " is not indexed"); + return index; +} +function openCursor(ctx, coreTable, trans) { + const index = getIndexOrStore(ctx, coreTable.schema); + return coreTable.openCursor({ + trans, + values: !ctx.keysOnly, + reverse: ctx.dir === 'prev', + unique: !!ctx.unique, + query: { + index, + range: ctx.range + } + }); +} +function iter(ctx, fn, coreTrans, coreTable) { + const filter = ctx.replayFilter ? combine(ctx.filter, ctx.replayFilter()) : ctx.filter; + if (!ctx.or) { + return iterate(openCursor(ctx, coreTable, coreTrans), combine(ctx.algorithm, filter), fn, !ctx.keysOnly && ctx.valueMapper); + } + else { + const set = {}; + const union = (item, cursor, advance) => { + if (!filter || filter(cursor, advance, result => cursor.stop(result), err => cursor.fail(err))) { + var primaryKey = cursor.primaryKey; + var key = '' + primaryKey; + if (key === '[object ArrayBuffer]') + key = '' + new Uint8Array(primaryKey); + if (!hasOwn(set, key)) { + set[key] = true; + fn(item, cursor, advance); + } + } + }; + return Promise.all([ + ctx.or._iterate(union, coreTrans), + iterate(openCursor(ctx, coreTable, coreTrans), ctx.algorithm, union, !ctx.keysOnly && ctx.valueMapper) + ]); + } +} +function iterate(cursorPromise, filter, fn, valueMapper) { + var mappedFn = valueMapper ? (x, c, a) => fn(valueMapper(x), c, a) : fn; + var wrappedFn = wrap(mappedFn); + return cursorPromise.then(cursor => { + if (cursor) { + return cursor.start(() => { + var c = () => cursor.continue(); + if (!filter || filter(cursor, advancer => c = advancer, val => { cursor.stop(val); c = nop; }, e => { cursor.fail(e); c = nop; })) + wrappedFn(cursor.value, cursor, advancer => c = advancer); + c(); + }); + } + }); +} + +function cmp(a, b) { + try { + const ta = type(a); + const tb = type(b); + if (ta !== tb) { + if (ta === 'Array') + return 1; + if (tb === 'Array') + return -1; + if (ta === 'binary') + return 1; + if (tb === 'binary') + return -1; + if (ta === 'string') + return 1; + if (tb === 'string') + return -1; + if (ta === 'Date') + return 1; + if (tb !== 'Date') + return NaN; + return -1; + } + switch (ta) { + case 'number': + case 'Date': + case 'string': + return a > b ? 1 : a < b ? -1 : 0; + case 'binary': { + return compareUint8Arrays(getUint8Array(a), getUint8Array(b)); + } + case 'Array': + return compareArrays(a, b); + } + } + catch (_a) { } + return NaN; +} +function compareArrays(a, b) { + const al = a.length; + const bl = b.length; + const l = al < bl ? al : bl; + for (let i = 0; i < l; ++i) { + const res = cmp(a[i], b[i]); + if (res !== 0) + return res; + } + return al === bl ? 0 : al < bl ? -1 : 1; +} +function compareUint8Arrays(a, b) { + const al = a.length; + const bl = b.length; + const l = al < bl ? al : bl; + for (let i = 0; i < l; ++i) { + if (a[i] !== b[i]) + return a[i] < b[i] ? -1 : 1; + } + return al === bl ? 0 : al < bl ? -1 : 1; +} +function type(x) { + const t = typeof x; + if (t !== 'object') + return t; + if (ArrayBuffer.isView(x)) + return 'binary'; + const tsTag = toStringTag(x); + return tsTag === 'ArrayBuffer' ? 'binary' : tsTag; +} +function getUint8Array(a) { + if (a instanceof Uint8Array) + return a; + if (ArrayBuffer.isView(a)) + return new Uint8Array(a.buffer, a.byteOffset, a.byteLength); + return new Uint8Array(a); +} + +class Collection { + _read(fn, cb) { + var ctx = this._ctx; + return ctx.error ? + ctx.table._trans(null, rejection.bind(null, ctx.error)) : + ctx.table._trans('readonly', fn).then(cb); + } + _write(fn) { + var ctx = this._ctx; + return ctx.error ? + ctx.table._trans(null, rejection.bind(null, ctx.error)) : + ctx.table._trans('readwrite', fn, "locked"); + } + _addAlgorithm(fn) { + var ctx = this._ctx; + ctx.algorithm = combine(ctx.algorithm, fn); + } + _iterate(fn, coreTrans) { + return iter(this._ctx, fn, coreTrans, this._ctx.table.core); + } + clone(props) { + var rv = Object.create(this.constructor.prototype), ctx = Object.create(this._ctx); + if (props) + extend(ctx, props); + rv._ctx = ctx; + return rv; + } + raw() { + this._ctx.valueMapper = null; + return this; + } + each(fn) { + var ctx = this._ctx; + return this._read(trans => iter(ctx, fn, trans, ctx.table.core)); + } + count(cb) { + return this._read(trans => { + const ctx = this._ctx; + const coreTable = ctx.table.core; + if (isPlainKeyRange(ctx, true)) { + return coreTable.count({ + trans, + query: { + index: getIndexOrStore(ctx, coreTable.schema), + range: ctx.range + } + }).then(count => Math.min(count, ctx.limit)); + } + else { + var count = 0; + return iter(ctx, () => { ++count; return false; }, trans, coreTable) + .then(() => count); + } + }).then(cb); + } + sortBy(keyPath, cb) { + const parts = keyPath.split('.').reverse(), lastPart = parts[0], lastIndex = parts.length - 1; + function getval(obj, i) { + if (i) + return getval(obj[parts[i]], i - 1); + return obj[lastPart]; + } + var order = this._ctx.dir === "next" ? 1 : -1; + function sorter(a, b) { + var aVal = getval(a, lastIndex), bVal = getval(b, lastIndex); + return aVal < bVal ? -order : aVal > bVal ? order : 0; + } + return this.toArray(function (a) { + return a.sort(sorter); + }).then(cb); + } + toArray(cb) { + return this._read(trans => { + var ctx = this._ctx; + if (ctx.dir === 'next' && isPlainKeyRange(ctx, true) && ctx.limit > 0) { + const { valueMapper } = ctx; + const index = getIndexOrStore(ctx, ctx.table.core.schema); + return ctx.table.core.query({ + trans, + limit: ctx.limit, + values: true, + query: { + index, + range: ctx.range + } + }).then(({ result }) => valueMapper ? result.map(valueMapper) : result); + } + else { + const a = []; + return iter(ctx, item => a.push(item), trans, ctx.table.core).then(() => a); + } + }, cb); + } + offset(offset) { + var ctx = this._ctx; + if (offset <= 0) + return this; + ctx.offset += offset; + if (isPlainKeyRange(ctx)) { + addReplayFilter(ctx, () => { + var offsetLeft = offset; + return (cursor, advance) => { + if (offsetLeft === 0) + return true; + if (offsetLeft === 1) { + --offsetLeft; + return false; + } + advance(() => { + cursor.advance(offsetLeft); + offsetLeft = 0; + }); + return false; + }; + }); + } + else { + addReplayFilter(ctx, () => { + var offsetLeft = offset; + return () => (--offsetLeft < 0); + }); + } + return this; + } + limit(numRows) { + this._ctx.limit = Math.min(this._ctx.limit, numRows); + addReplayFilter(this._ctx, () => { + var rowsLeft = numRows; + return function (cursor, advance, resolve) { + if (--rowsLeft <= 0) + advance(resolve); + return rowsLeft >= 0; + }; + }, true); + return this; + } + until(filterFunction, bIncludeStopEntry) { + addFilter(this._ctx, function (cursor, advance, resolve) { + if (filterFunction(cursor.value)) { + advance(resolve); + return bIncludeStopEntry; + } + else { + return true; + } + }); + return this; + } + first(cb) { + return this.limit(1).toArray(function (a) { return a[0]; }).then(cb); + } + last(cb) { + return this.reverse().first(cb); + } + filter(filterFunction) { + addFilter(this._ctx, function (cursor) { + return filterFunction(cursor.value); + }); + addMatchFilter(this._ctx, filterFunction); + return this; + } + and(filter) { + return this.filter(filter); + } + or(indexName) { + return new this.db.WhereClause(this._ctx.table, indexName, this); + } + reverse() { + this._ctx.dir = (this._ctx.dir === "prev" ? "next" : "prev"); + if (this._ondirectionchange) + this._ondirectionchange(this._ctx.dir); + return this; + } + desc() { + return this.reverse(); + } + eachKey(cb) { + var ctx = this._ctx; + ctx.keysOnly = !ctx.isMatch; + return this.each(function (val, cursor) { cb(cursor.key, cursor); }); + } + eachUniqueKey(cb) { + this._ctx.unique = "unique"; + return this.eachKey(cb); + } + eachPrimaryKey(cb) { + var ctx = this._ctx; + ctx.keysOnly = !ctx.isMatch; + return this.each(function (val, cursor) { cb(cursor.primaryKey, cursor); }); + } + keys(cb) { + var ctx = this._ctx; + ctx.keysOnly = !ctx.isMatch; + var a = []; + return this.each(function (item, cursor) { + a.push(cursor.key); + }).then(function () { + return a; + }).then(cb); + } + primaryKeys(cb) { + var ctx = this._ctx; + if (ctx.dir === 'next' && isPlainKeyRange(ctx, true) && ctx.limit > 0) { + return this._read(trans => { + var index = getIndexOrStore(ctx, ctx.table.core.schema); + return ctx.table.core.query({ + trans, + values: false, + limit: ctx.limit, + query: { + index, + range: ctx.range + } + }); + }).then(({ result }) => result).then(cb); + } + ctx.keysOnly = !ctx.isMatch; + var a = []; + return this.each(function (item, cursor) { + a.push(cursor.primaryKey); + }).then(function () { + return a; + }).then(cb); + } + uniqueKeys(cb) { + this._ctx.unique = "unique"; + return this.keys(cb); + } + firstKey(cb) { + return this.limit(1).keys(function (a) { return a[0]; }).then(cb); + } + lastKey(cb) { + return this.reverse().firstKey(cb); + } + distinct() { + var ctx = this._ctx, idx = ctx.index && ctx.table.schema.idxByName[ctx.index]; + if (!idx || !idx.multi) + return this; + var set = {}; + addFilter(this._ctx, function (cursor) { + var strKey = cursor.primaryKey.toString(); + var found = hasOwn(set, strKey); + set[strKey] = true; + return !found; + }); + return this; + } + modify(changes) { + var ctx = this._ctx; + return this._write(trans => { + var modifyer; + if (typeof changes === 'function') { + modifyer = changes; + } + else { + var keyPaths = keys(changes); + var numKeys = keyPaths.length; + modifyer = function (item) { + var anythingModified = false; + for (var i = 0; i < numKeys; ++i) { + var keyPath = keyPaths[i], val = changes[keyPath]; + if (getByKeyPath(item, keyPath) !== val) { + setByKeyPath(item, keyPath, val); + anythingModified = true; + } + } + return anythingModified; + }; + } + const coreTable = ctx.table.core; + const { outbound, extractKey } = coreTable.schema.primaryKey; + const limit = this.db._options.modifyChunkSize || 200; + const totalFailures = []; + let successCount = 0; + const failedKeys = []; + const applyMutateResult = (expectedCount, res) => { + const { failures, numFailures } = res; + successCount += expectedCount - numFailures; + for (let pos of keys(failures)) { + totalFailures.push(failures[pos]); + } + }; + return this.clone().primaryKeys().then(keys => { + const nextChunk = (offset) => { + const count = Math.min(limit, keys.length - offset); + return coreTable.getMany({ + trans, + keys: keys.slice(offset, offset + count), + cache: "immutable" + }).then(values => { + const addValues = []; + const putValues = []; + const putKeys = outbound ? [] : null; + const deleteKeys = []; + for (let i = 0; i < count; ++i) { + const origValue = values[i]; + const ctx = { + value: deepClone(origValue), + primKey: keys[offset + i] + }; + if (modifyer.call(ctx, ctx.value, ctx) !== false) { + if (ctx.value == null) { + deleteKeys.push(keys[offset + i]); + } + else if (!outbound && cmp(extractKey(origValue), extractKey(ctx.value)) !== 0) { + deleteKeys.push(keys[offset + i]); + addValues.push(ctx.value); + } + else { + putValues.push(ctx.value); + if (outbound) + putKeys.push(keys[offset + i]); + } + } + } + const criteria = isPlainKeyRange(ctx) && + ctx.limit === Infinity && + (typeof changes !== 'function' || changes === deleteCallback) && { + index: ctx.index, + range: ctx.range + }; + return Promise.resolve(addValues.length > 0 && + coreTable.mutate({ trans, type: 'add', values: addValues }) + .then(res => { + for (let pos in res.failures) { + deleteKeys.splice(parseInt(pos), 1); + } + applyMutateResult(addValues.length, res); + })).then(() => (putValues.length > 0 || (criteria && typeof changes === 'object')) && + coreTable.mutate({ + trans, + type: 'put', + keys: putKeys, + values: putValues, + criteria, + changeSpec: typeof changes !== 'function' + && changes + }).then(res => applyMutateResult(putValues.length, res))).then(() => (deleteKeys.length > 0 || (criteria && changes === deleteCallback)) && + coreTable.mutate({ + trans, + type: 'delete', + keys: deleteKeys, + criteria + }).then(res => applyMutateResult(deleteKeys.length, res))).then(() => { + return keys.length > offset + count && nextChunk(offset + limit); + }); + }); + }; + return nextChunk(0).then(() => { + if (totalFailures.length > 0) + throw new ModifyError("Error modifying one or more objects", totalFailures, successCount, failedKeys); + return keys.length; + }); + }); + }); + } + delete() { + var ctx = this._ctx, range = ctx.range; + if (isPlainKeyRange(ctx) && + ((ctx.isPrimKey && !hangsOnDeleteLargeKeyRange) || range.type === 3 )) + { + return this._write(trans => { + const { primaryKey } = ctx.table.core.schema; + const coreRange = range; + return ctx.table.core.count({ trans, query: { index: primaryKey, range: coreRange } }).then(count => { + return ctx.table.core.mutate({ trans, type: 'deleteRange', range: coreRange }) + .then(({ failures, lastResult, results, numFailures }) => { + if (numFailures) + throw new ModifyError("Could not delete some values", Object.keys(failures).map(pos => failures[pos]), count - numFailures); + return count - numFailures; + }); + }); + }); + } + return this.modify(deleteCallback); + } +} +const deleteCallback = (value, ctx) => ctx.value = null; + +function createCollectionConstructor(db) { + return makeClassConstructor(Collection.prototype, function Collection(whereClause, keyRangeGenerator) { + this.db = db; + let keyRange = AnyRange, error = null; + if (keyRangeGenerator) + try { + keyRange = keyRangeGenerator(); + } + catch (ex) { + error = ex; + } + const whereCtx = whereClause._ctx; + const table = whereCtx.table; + const readingHook = table.hook.reading.fire; + this._ctx = { + table: table, + index: whereCtx.index, + isPrimKey: (!whereCtx.index || (table.schema.primKey.keyPath && whereCtx.index === table.schema.primKey.name)), + range: keyRange, + keysOnly: false, + dir: "next", + unique: "", + algorithm: null, + filter: null, + replayFilter: null, + justLimit: true, + isMatch: null, + offset: 0, + limit: Infinity, + error: error, + or: whereCtx.or, + valueMapper: readingHook !== mirror ? readingHook : null + }; + }); +} + +function simpleCompare(a, b) { + return a < b ? -1 : a === b ? 0 : 1; +} +function simpleCompareReverse(a, b) { + return a > b ? -1 : a === b ? 0 : 1; +} + +function fail(collectionOrWhereClause, err, T) { + var collection = collectionOrWhereClause instanceof WhereClause ? + new collectionOrWhereClause.Collection(collectionOrWhereClause) : + collectionOrWhereClause; + collection._ctx.error = T ? new T(err) : new TypeError(err); + return collection; +} +function emptyCollection(whereClause) { + return new whereClause.Collection(whereClause, () => rangeEqual("")).limit(0); +} +function upperFactory(dir) { + return dir === "next" ? + (s) => s.toUpperCase() : + (s) => s.toLowerCase(); +} +function lowerFactory(dir) { + return dir === "next" ? + (s) => s.toLowerCase() : + (s) => s.toUpperCase(); +} +function nextCasing(key, lowerKey, upperNeedle, lowerNeedle, cmp, dir) { + var length = Math.min(key.length, lowerNeedle.length); + var llp = -1; + for (var i = 0; i < length; ++i) { + var lwrKeyChar = lowerKey[i]; + if (lwrKeyChar !== lowerNeedle[i]) { + if (cmp(key[i], upperNeedle[i]) < 0) + return key.substr(0, i) + upperNeedle[i] + upperNeedle.substr(i + 1); + if (cmp(key[i], lowerNeedle[i]) < 0) + return key.substr(0, i) + lowerNeedle[i] + upperNeedle.substr(i + 1); + if (llp >= 0) + return key.substr(0, llp) + lowerKey[llp] + upperNeedle.substr(llp + 1); + return null; + } + if (cmp(key[i], lwrKeyChar) < 0) + llp = i; + } + if (length < lowerNeedle.length && dir === "next") + return key + upperNeedle.substr(key.length); + if (length < key.length && dir === "prev") + return key.substr(0, upperNeedle.length); + return (llp < 0 ? null : key.substr(0, llp) + lowerNeedle[llp] + upperNeedle.substr(llp + 1)); +} +function addIgnoreCaseAlgorithm(whereClause, match, needles, suffix) { + var upper, lower, compare, upperNeedles, lowerNeedles, direction, nextKeySuffix, needlesLen = needles.length; + if (!needles.every(s => typeof s === 'string')) { + return fail(whereClause, STRING_EXPECTED); + } + function initDirection(dir) { + upper = upperFactory(dir); + lower = lowerFactory(dir); + compare = (dir === "next" ? simpleCompare : simpleCompareReverse); + var needleBounds = needles.map(function (needle) { + return { lower: lower(needle), upper: upper(needle) }; + }).sort(function (a, b) { + return compare(a.lower, b.lower); + }); + upperNeedles = needleBounds.map(function (nb) { return nb.upper; }); + lowerNeedles = needleBounds.map(function (nb) { return nb.lower; }); + direction = dir; + nextKeySuffix = (dir === "next" ? "" : suffix); + } + initDirection("next"); + var c = new whereClause.Collection(whereClause, () => createRange(upperNeedles[0], lowerNeedles[needlesLen - 1] + suffix)); + c._ondirectionchange = function (direction) { + initDirection(direction); + }; + var firstPossibleNeedle = 0; + c._addAlgorithm(function (cursor, advance, resolve) { + var key = cursor.key; + if (typeof key !== 'string') + return false; + var lowerKey = lower(key); + if (match(lowerKey, lowerNeedles, firstPossibleNeedle)) { + return true; + } + else { + var lowestPossibleCasing = null; + for (var i = firstPossibleNeedle; i < needlesLen; ++i) { + var casing = nextCasing(key, lowerKey, upperNeedles[i], lowerNeedles[i], compare, direction); + if (casing === null && lowestPossibleCasing === null) + firstPossibleNeedle = i + 1; + else if (lowestPossibleCasing === null || compare(lowestPossibleCasing, casing) > 0) { + lowestPossibleCasing = casing; + } + } + if (lowestPossibleCasing !== null) { + advance(function () { cursor.continue(lowestPossibleCasing + nextKeySuffix); }); + } + else { + advance(resolve); + } + return false; + } + }); + return c; +} +function createRange(lower, upper, lowerOpen, upperOpen) { + return { + type: 2 , + lower, + upper, + lowerOpen, + upperOpen + }; +} +function rangeEqual(value) { + return { + type: 1 , + lower: value, + upper: value + }; +} + +class WhereClause { + get Collection() { + return this._ctx.table.db.Collection; + } + between(lower, upper, includeLower, includeUpper) { + includeLower = includeLower !== false; + includeUpper = includeUpper === true; + try { + if ((this._cmp(lower, upper) > 0) || + (this._cmp(lower, upper) === 0 && (includeLower || includeUpper) && !(includeLower && includeUpper))) + return emptyCollection(this); + return new this.Collection(this, () => createRange(lower, upper, !includeLower, !includeUpper)); + } + catch (e) { + return fail(this, INVALID_KEY_ARGUMENT); + } + } + equals(value) { + if (value == null) + return fail(this, INVALID_KEY_ARGUMENT); + return new this.Collection(this, () => rangeEqual(value)); + } + above(value) { + if (value == null) + return fail(this, INVALID_KEY_ARGUMENT); + return new this.Collection(this, () => createRange(value, undefined, true)); + } + aboveOrEqual(value) { + if (value == null) + return fail(this, INVALID_KEY_ARGUMENT); + return new this.Collection(this, () => createRange(value, undefined, false)); + } + below(value) { + if (value == null) + return fail(this, INVALID_KEY_ARGUMENT); + return new this.Collection(this, () => createRange(undefined, value, false, true)); + } + belowOrEqual(value) { + if (value == null) + return fail(this, INVALID_KEY_ARGUMENT); + return new this.Collection(this, () => createRange(undefined, value)); + } + startsWith(str) { + if (typeof str !== 'string') + return fail(this, STRING_EXPECTED); + return this.between(str, str + maxString, true, true); + } + startsWithIgnoreCase(str) { + if (str === "") + return this.startsWith(str); + return addIgnoreCaseAlgorithm(this, (x, a) => x.indexOf(a[0]) === 0, [str], maxString); + } + equalsIgnoreCase(str) { + return addIgnoreCaseAlgorithm(this, (x, a) => x === a[0], [str], ""); + } + anyOfIgnoreCase() { + var set = getArrayOf.apply(NO_CHAR_ARRAY, arguments); + if (set.length === 0) + return emptyCollection(this); + return addIgnoreCaseAlgorithm(this, (x, a) => a.indexOf(x) !== -1, set, ""); + } + startsWithAnyOfIgnoreCase() { + var set = getArrayOf.apply(NO_CHAR_ARRAY, arguments); + if (set.length === 0) + return emptyCollection(this); + return addIgnoreCaseAlgorithm(this, (x, a) => a.some(n => x.indexOf(n) === 0), set, maxString); + } + anyOf() { + const set = getArrayOf.apply(NO_CHAR_ARRAY, arguments); + let compare = this._cmp; + try { + set.sort(compare); + } + catch (e) { + return fail(this, INVALID_KEY_ARGUMENT); + } + if (set.length === 0) + return emptyCollection(this); + const c = new this.Collection(this, () => createRange(set[0], set[set.length - 1])); + c._ondirectionchange = direction => { + compare = (direction === "next" ? + this._ascending : + this._descending); + set.sort(compare); + }; + let i = 0; + c._addAlgorithm((cursor, advance, resolve) => { + const key = cursor.key; + while (compare(key, set[i]) > 0) { + ++i; + if (i === set.length) { + advance(resolve); + return false; + } + } + if (compare(key, set[i]) === 0) { + return true; + } + else { + advance(() => { cursor.continue(set[i]); }); + return false; + } + }); + return c; + } + notEqual(value) { + return this.inAnyRange([[minKey, value], [value, this.db._maxKey]], { includeLowers: false, includeUppers: false }); + } + noneOf() { + const set = getArrayOf.apply(NO_CHAR_ARRAY, arguments); + if (set.length === 0) + return new this.Collection(this); + try { + set.sort(this._ascending); + } + catch (e) { + return fail(this, INVALID_KEY_ARGUMENT); + } + const ranges = set.reduce((res, val) => res ? + res.concat([[res[res.length - 1][1], val]]) : + [[minKey, val]], null); + ranges.push([set[set.length - 1], this.db._maxKey]); + return this.inAnyRange(ranges, { includeLowers: false, includeUppers: false }); + } + inAnyRange(ranges, options) { + const cmp = this._cmp, ascending = this._ascending, descending = this._descending, min = this._min, max = this._max; + if (ranges.length === 0) + return emptyCollection(this); + if (!ranges.every(range => range[0] !== undefined && + range[1] !== undefined && + ascending(range[0], range[1]) <= 0)) { + return fail(this, "First argument to inAnyRange() must be an Array of two-value Arrays [lower,upper] where upper must not be lower than lower", exceptions.InvalidArgument); + } + const includeLowers = !options || options.includeLowers !== false; + const includeUppers = options && options.includeUppers === true; + function addRange(ranges, newRange) { + let i = 0, l = ranges.length; + for (; i < l; ++i) { + const range = ranges[i]; + if (cmp(newRange[0], range[1]) < 0 && cmp(newRange[1], range[0]) > 0) { + range[0] = min(range[0], newRange[0]); + range[1] = max(range[1], newRange[1]); + break; + } + } + if (i === l) + ranges.push(newRange); + return ranges; + } + let sortDirection = ascending; + function rangeSorter(a, b) { return sortDirection(a[0], b[0]); } + let set; + try { + set = ranges.reduce(addRange, []); + set.sort(rangeSorter); + } + catch (ex) { + return fail(this, INVALID_KEY_ARGUMENT); + } + let rangePos = 0; + const keyIsBeyondCurrentEntry = includeUppers ? + key => ascending(key, set[rangePos][1]) > 0 : + key => ascending(key, set[rangePos][1]) >= 0; + const keyIsBeforeCurrentEntry = includeLowers ? + key => descending(key, set[rangePos][0]) > 0 : + key => descending(key, set[rangePos][0]) >= 0; + function keyWithinCurrentRange(key) { + return !keyIsBeyondCurrentEntry(key) && !keyIsBeforeCurrentEntry(key); + } + let checkKey = keyIsBeyondCurrentEntry; + const c = new this.Collection(this, () => createRange(set[0][0], set[set.length - 1][1], !includeLowers, !includeUppers)); + c._ondirectionchange = direction => { + if (direction === "next") { + checkKey = keyIsBeyondCurrentEntry; + sortDirection = ascending; + } + else { + checkKey = keyIsBeforeCurrentEntry; + sortDirection = descending; + } + set.sort(rangeSorter); + }; + c._addAlgorithm((cursor, advance, resolve) => { + var key = cursor.key; + while (checkKey(key)) { + ++rangePos; + if (rangePos === set.length) { + advance(resolve); + return false; + } + } + if (keyWithinCurrentRange(key)) { + return true; + } + else if (this._cmp(key, set[rangePos][1]) === 0 || this._cmp(key, set[rangePos][0]) === 0) { + return false; + } + else { + advance(() => { + if (sortDirection === ascending) + cursor.continue(set[rangePos][0]); + else + cursor.continue(set[rangePos][1]); + }); + return false; + } + }); + return c; + } + startsWithAnyOf() { + const set = getArrayOf.apply(NO_CHAR_ARRAY, arguments); + if (!set.every(s => typeof s === 'string')) { + return fail(this, "startsWithAnyOf() only works with strings"); + } + if (set.length === 0) + return emptyCollection(this); + return this.inAnyRange(set.map((str) => [str, str + maxString])); + } +} + +function createWhereClauseConstructor(db) { + return makeClassConstructor(WhereClause.prototype, function WhereClause(table, index, orCollection) { + this.db = db; + this._ctx = { + table: table, + index: index === ":id" ? null : index, + or: orCollection + }; + const indexedDB = db._deps.indexedDB; + if (!indexedDB) + throw new exceptions.MissingAPI(); + this._cmp = this._ascending = indexedDB.cmp.bind(indexedDB); + this._descending = (a, b) => indexedDB.cmp(b, a); + this._max = (a, b) => indexedDB.cmp(a, b) > 0 ? a : b; + this._min = (a, b) => indexedDB.cmp(a, b) < 0 ? a : b; + this._IDBKeyRange = db._deps.IDBKeyRange; + }); +} + +function eventRejectHandler(reject) { + return wrap(function (event) { + preventDefault(event); + reject(event.target.error); + return false; + }); +} +function preventDefault(event) { + if (event.stopPropagation) + event.stopPropagation(); + if (event.preventDefault) + event.preventDefault(); +} + +const DEXIE_STORAGE_MUTATED_EVENT_NAME = 'storagemutated'; +const STORAGE_MUTATED_DOM_EVENT_NAME = 'x-storagemutated-1'; +const globalEvents = Events(null, DEXIE_STORAGE_MUTATED_EVENT_NAME); + +class Transaction { + _lock() { + assert(!PSD.global); + ++this._reculock; + if (this._reculock === 1 && !PSD.global) + PSD.lockOwnerFor = this; + return this; + } + _unlock() { + assert(!PSD.global); + if (--this._reculock === 0) { + if (!PSD.global) + PSD.lockOwnerFor = null; + while (this._blockedFuncs.length > 0 && !this._locked()) { + var fnAndPSD = this._blockedFuncs.shift(); + try { + usePSD(fnAndPSD[1], fnAndPSD[0]); + } + catch (e) { } + } + } + return this; + } + _locked() { + return this._reculock && PSD.lockOwnerFor !== this; + } + create(idbtrans) { + if (!this.mode) + return this; + const idbdb = this.db.idbdb; + const dbOpenError = this.db._state.dbOpenError; + assert(!this.idbtrans); + if (!idbtrans && !idbdb) { + switch (dbOpenError && dbOpenError.name) { + case "DatabaseClosedError": + throw new exceptions.DatabaseClosed(dbOpenError); + case "MissingAPIError": + throw new exceptions.MissingAPI(dbOpenError.message, dbOpenError); + default: + throw new exceptions.OpenFailed(dbOpenError); + } + } + if (!this.active) + throw new exceptions.TransactionInactive(); + assert(this._completion._state === null); + idbtrans = this.idbtrans = idbtrans || + (this.db.core + ? this.db.core.transaction(this.storeNames, this.mode, { durability: this.chromeTransactionDurability }) + : idbdb.transaction(this.storeNames, this.mode, { durability: this.chromeTransactionDurability })); + idbtrans.onerror = wrap(ev => { + preventDefault(ev); + this._reject(idbtrans.error); + }); + idbtrans.onabort = wrap(ev => { + preventDefault(ev); + this.active && this._reject(new exceptions.Abort(idbtrans.error)); + this.active = false; + this.on("abort").fire(ev); + }); + idbtrans.oncomplete = wrap(() => { + this.active = false; + this._resolve(); + if ('mutatedParts' in idbtrans) { + globalEvents.storagemutated.fire(idbtrans["mutatedParts"]); + } + }); + return this; + } + _promise(mode, fn, bWriteLock) { + if (mode === 'readwrite' && this.mode !== 'readwrite') + return rejection(new exceptions.ReadOnly("Transaction is readonly")); + if (!this.active) + return rejection(new exceptions.TransactionInactive()); + if (this._locked()) { + return new DexiePromise((resolve, reject) => { + this._blockedFuncs.push([() => { + this._promise(mode, fn, bWriteLock).then(resolve, reject); + }, PSD]); + }); + } + else if (bWriteLock) { + return newScope(() => { + var p = new DexiePromise((resolve, reject) => { + this._lock(); + const rv = fn(resolve, reject, this); + if (rv && rv.then) + rv.then(resolve, reject); + }); + p.finally(() => this._unlock()); + p._lib = true; + return p; + }); + } + else { + var p = new DexiePromise((resolve, reject) => { + var rv = fn(resolve, reject, this); + if (rv && rv.then) + rv.then(resolve, reject); + }); + p._lib = true; + return p; + } + } + _root() { + return this.parent ? this.parent._root() : this; + } + waitFor(promiseLike) { + var root = this._root(); + const promise = DexiePromise.resolve(promiseLike); + if (root._waitingFor) { + root._waitingFor = root._waitingFor.then(() => promise); + } + else { + root._waitingFor = promise; + root._waitingQueue = []; + var store = root.idbtrans.objectStore(root.storeNames[0]); + (function spin() { + ++root._spinCount; + while (root._waitingQueue.length) + (root._waitingQueue.shift())(); + if (root._waitingFor) + store.get(-Infinity).onsuccess = spin; + }()); + } + var currentWaitPromise = root._waitingFor; + return new DexiePromise((resolve, reject) => { + promise.then(res => root._waitingQueue.push(wrap(resolve.bind(null, res))), err => root._waitingQueue.push(wrap(reject.bind(null, err)))).finally(() => { + if (root._waitingFor === currentWaitPromise) { + root._waitingFor = null; + } + }); + }); + } + abort() { + if (this.active) { + this.active = false; + if (this.idbtrans) + this.idbtrans.abort(); + this._reject(new exceptions.Abort()); + } + } + table(tableName) { + const memoizedTables = (this._memoizedTables || (this._memoizedTables = {})); + if (hasOwn(memoizedTables, tableName)) + return memoizedTables[tableName]; + const tableSchema = this.schema[tableName]; + if (!tableSchema) { + throw new exceptions.NotFound("Table " + tableName + " not part of transaction"); + } + const transactionBoundTable = new this.db.Table(tableName, tableSchema, this); + transactionBoundTable.core = this.db.core.table(tableName); + memoizedTables[tableName] = transactionBoundTable; + return transactionBoundTable; + } +} + +function createTransactionConstructor(db) { + return makeClassConstructor(Transaction.prototype, function Transaction(mode, storeNames, dbschema, chromeTransactionDurability, parent) { + this.db = db; + this.mode = mode; + this.storeNames = storeNames; + this.schema = dbschema; + this.chromeTransactionDurability = chromeTransactionDurability; + this.idbtrans = null; + this.on = Events(this, "complete", "error", "abort"); + this.parent = parent || null; + this.active = true; + this._reculock = 0; + this._blockedFuncs = []; + this._resolve = null; + this._reject = null; + this._waitingFor = null; + this._waitingQueue = null; + this._spinCount = 0; + this._completion = new DexiePromise((resolve, reject) => { + this._resolve = resolve; + this._reject = reject; + }); + this._completion.then(() => { + this.active = false; + this.on.complete.fire(); + }, e => { + var wasActive = this.active; + this.active = false; + this.on.error.fire(e); + this.parent ? + this.parent._reject(e) : + wasActive && this.idbtrans && this.idbtrans.abort(); + return rejection(e); + }); + }); +} + +function createIndexSpec(name, keyPath, unique, multi, auto, compound, isPrimKey) { + return { + name, + keyPath, + unique, + multi, + auto, + compound, + src: (unique && !isPrimKey ? '&' : '') + (multi ? '*' : '') + (auto ? "++" : "") + nameFromKeyPath(keyPath) + }; +} +function nameFromKeyPath(keyPath) { + return typeof keyPath === 'string' ? + keyPath : + keyPath ? ('[' + [].join.call(keyPath, '+') + ']') : ""; +} + +function createTableSchema(name, primKey, indexes) { + return { + name, + primKey, + indexes, + mappedClass: null, + idxByName: arrayToObject(indexes, index => [index.name, index]) + }; +} + +function safariMultiStoreFix(storeNames) { + return storeNames.length === 1 ? storeNames[0] : storeNames; +} +let getMaxKey = (IdbKeyRange) => { + try { + IdbKeyRange.only([[]]); + getMaxKey = () => [[]]; + return [[]]; + } + catch (e) { + getMaxKey = () => maxString; + return maxString; + } +}; + +function getKeyExtractor(keyPath) { + if (keyPath == null) { + return () => undefined; + } + else if (typeof keyPath === 'string') { + return getSinglePathKeyExtractor(keyPath); + } + else { + return obj => getByKeyPath(obj, keyPath); + } +} +function getSinglePathKeyExtractor(keyPath) { + const split = keyPath.split('.'); + if (split.length === 1) { + return obj => obj[keyPath]; + } + else { + return obj => getByKeyPath(obj, keyPath); + } +} + +function arrayify(arrayLike) { + return [].slice.call(arrayLike); +} +let _id_counter = 0; +function getKeyPathAlias(keyPath) { + return keyPath == null ? + ":id" : + typeof keyPath === 'string' ? + keyPath : + `[${keyPath.join('+')}]`; +} +function createDBCore(db, IdbKeyRange, tmpTrans) { + function extractSchema(db, trans) { + const tables = arrayify(db.objectStoreNames); + return { + schema: { + name: db.name, + tables: tables.map(table => trans.objectStore(table)).map(store => { + const { keyPath, autoIncrement } = store; + const compound = isArray(keyPath); + const outbound = keyPath == null; + const indexByKeyPath = {}; + const result = { + name: store.name, + primaryKey: { + name: null, + isPrimaryKey: true, + outbound, + compound, + keyPath, + autoIncrement, + unique: true, + extractKey: getKeyExtractor(keyPath) + }, + indexes: arrayify(store.indexNames).map(indexName => store.index(indexName)) + .map(index => { + const { name, unique, multiEntry, keyPath } = index; + const compound = isArray(keyPath); + const result = { + name, + compound, + keyPath, + unique, + multiEntry, + extractKey: getKeyExtractor(keyPath) + }; + indexByKeyPath[getKeyPathAlias(keyPath)] = result; + return result; + }), + getIndexByKeyPath: (keyPath) => indexByKeyPath[getKeyPathAlias(keyPath)] + }; + indexByKeyPath[":id"] = result.primaryKey; + if (keyPath != null) { + indexByKeyPath[getKeyPathAlias(keyPath)] = result.primaryKey; + } + return result; + }) + }, + hasGetAll: tables.length > 0 && ('getAll' in trans.objectStore(tables[0])) && + !(typeof navigator !== 'undefined' && /Safari/.test(navigator.userAgent) && + !/(Chrome\/|Edge\/)/.test(navigator.userAgent) && + [].concat(navigator.userAgent.match(/Safari\/(\d*)/))[1] < 604) + }; + } + function makeIDBKeyRange(range) { + if (range.type === 3 ) + return null; + if (range.type === 4 ) + throw new Error("Cannot convert never type to IDBKeyRange"); + const { lower, upper, lowerOpen, upperOpen } = range; + const idbRange = lower === undefined ? + upper === undefined ? + null : + IdbKeyRange.upperBound(upper, !!upperOpen) : + upper === undefined ? + IdbKeyRange.lowerBound(lower, !!lowerOpen) : + IdbKeyRange.bound(lower, upper, !!lowerOpen, !!upperOpen); + return idbRange; + } + function createDbCoreTable(tableSchema) { + const tableName = tableSchema.name; + function mutate({ trans, type, keys, values, range }) { + return new Promise((resolve, reject) => { + resolve = wrap(resolve); + const store = trans.objectStore(tableName); + const outbound = store.keyPath == null; + const isAddOrPut = type === "put" || type === "add"; + if (!isAddOrPut && type !== 'delete' && type !== 'deleteRange') + throw new Error("Invalid operation type: " + type); + const { length } = keys || values || { length: 1 }; + if (keys && values && keys.length !== values.length) { + throw new Error("Given keys array must have same length as given values array."); + } + if (length === 0) + return resolve({ numFailures: 0, failures: {}, results: [], lastResult: undefined }); + let req; + const reqs = []; + const failures = []; + let numFailures = 0; + const errorHandler = event => { + ++numFailures; + preventDefault(event); + }; + if (type === 'deleteRange') { + if (range.type === 4 ) + return resolve({ numFailures, failures, results: [], lastResult: undefined }); + if (range.type === 3 ) + reqs.push(req = store.clear()); + else + reqs.push(req = store.delete(makeIDBKeyRange(range))); + } + else { + const [args1, args2] = isAddOrPut ? + outbound ? + [values, keys] : + [values, null] : + [keys, null]; + if (isAddOrPut) { + for (let i = 0; i < length; ++i) { + reqs.push(req = (args2 && args2[i] !== undefined ? + store[type](args1[i], args2[i]) : + store[type](args1[i]))); + req.onerror = errorHandler; + } + } + else { + for (let i = 0; i < length; ++i) { + reqs.push(req = store[type](args1[i])); + req.onerror = errorHandler; + } + } + } + const done = event => { + const lastResult = event.target.result; + reqs.forEach((req, i) => req.error != null && (failures[i] = req.error)); + resolve({ + numFailures, + failures, + results: type === "delete" ? keys : reqs.map(req => req.result), + lastResult + }); + }; + req.onerror = event => { + errorHandler(event); + done(event); + }; + req.onsuccess = done; + }); + } + function openCursor({ trans, values, query, reverse, unique }) { + return new Promise((resolve, reject) => { + resolve = wrap(resolve); + const { index, range } = query; + const store = trans.objectStore(tableName); + const source = index.isPrimaryKey ? + store : + store.index(index.name); + const direction = reverse ? + unique ? + "prevunique" : + "prev" : + unique ? + "nextunique" : + "next"; + const req = values || !('openKeyCursor' in source) ? + source.openCursor(makeIDBKeyRange(range), direction) : + source.openKeyCursor(makeIDBKeyRange(range), direction); + req.onerror = eventRejectHandler(reject); + req.onsuccess = wrap(ev => { + const cursor = req.result; + if (!cursor) { + resolve(null); + return; + } + cursor.___id = ++_id_counter; + cursor.done = false; + const _cursorContinue = cursor.continue.bind(cursor); + let _cursorContinuePrimaryKey = cursor.continuePrimaryKey; + if (_cursorContinuePrimaryKey) + _cursorContinuePrimaryKey = _cursorContinuePrimaryKey.bind(cursor); + const _cursorAdvance = cursor.advance.bind(cursor); + const doThrowCursorIsNotStarted = () => { throw new Error("Cursor not started"); }; + const doThrowCursorIsStopped = () => { throw new Error("Cursor not stopped"); }; + cursor.trans = trans; + cursor.stop = cursor.continue = cursor.continuePrimaryKey = cursor.advance = doThrowCursorIsNotStarted; + cursor.fail = wrap(reject); + cursor.next = function () { + let gotOne = 1; + return this.start(() => gotOne-- ? this.continue() : this.stop()).then(() => this); + }; + cursor.start = (callback) => { + const iterationPromise = new Promise((resolveIteration, rejectIteration) => { + resolveIteration = wrap(resolveIteration); + req.onerror = eventRejectHandler(rejectIteration); + cursor.fail = rejectIteration; + cursor.stop = value => { + cursor.stop = cursor.continue = cursor.continuePrimaryKey = cursor.advance = doThrowCursorIsStopped; + resolveIteration(value); + }; + }); + const guardedCallback = () => { + if (req.result) { + try { + callback(); + } + catch (err) { + cursor.fail(err); + } + } + else { + cursor.done = true; + cursor.start = () => { throw new Error("Cursor behind last entry"); }; + cursor.stop(); + } + }; + req.onsuccess = wrap(ev => { + req.onsuccess = guardedCallback; + guardedCallback(); + }); + cursor.continue = _cursorContinue; + cursor.continuePrimaryKey = _cursorContinuePrimaryKey; + cursor.advance = _cursorAdvance; + guardedCallback(); + return iterationPromise; + }; + resolve(cursor); + }, reject); + }); + } + function query(hasGetAll) { + return (request) => { + return new Promise((resolve, reject) => { + resolve = wrap(resolve); + const { trans, values, limit, query } = request; + const nonInfinitLimit = limit === Infinity ? undefined : limit; + const { index, range } = query; + const store = trans.objectStore(tableName); + const source = index.isPrimaryKey ? store : store.index(index.name); + const idbKeyRange = makeIDBKeyRange(range); + if (limit === 0) + return resolve({ result: [] }); + if (hasGetAll) { + const req = values ? + source.getAll(idbKeyRange, nonInfinitLimit) : + source.getAllKeys(idbKeyRange, nonInfinitLimit); + req.onsuccess = event => resolve({ result: event.target.result }); + req.onerror = eventRejectHandler(reject); + } + else { + let count = 0; + const req = values || !('openKeyCursor' in source) ? + source.openCursor(idbKeyRange) : + source.openKeyCursor(idbKeyRange); + const result = []; + req.onsuccess = event => { + const cursor = req.result; + if (!cursor) + return resolve({ result }); + result.push(values ? cursor.value : cursor.primaryKey); + if (++count === limit) + return resolve({ result }); + cursor.continue(); + }; + req.onerror = eventRejectHandler(reject); + } + }); + }; + } + return { + name: tableName, + schema: tableSchema, + mutate, + getMany({ trans, keys }) { + return new Promise((resolve, reject) => { + resolve = wrap(resolve); + const store = trans.objectStore(tableName); + const length = keys.length; + const result = new Array(length); + let keyCount = 0; + let callbackCount = 0; + let req; + const successHandler = event => { + const req = event.target; + if ((result[req._pos] = req.result) != null) + ; + if (++callbackCount === keyCount) + resolve(result); + }; + const errorHandler = eventRejectHandler(reject); + for (let i = 0; i < length; ++i) { + const key = keys[i]; + if (key != null) { + req = store.get(keys[i]); + req._pos = i; + req.onsuccess = successHandler; + req.onerror = errorHandler; + ++keyCount; + } + } + if (keyCount === 0) + resolve(result); + }); + }, + get({ trans, key }) { + return new Promise((resolve, reject) => { + resolve = wrap(resolve); + const store = trans.objectStore(tableName); + const req = store.get(key); + req.onsuccess = event => resolve(event.target.result); + req.onerror = eventRejectHandler(reject); + }); + }, + query: query(hasGetAll), + openCursor, + count({ query, trans }) { + const { index, range } = query; + return new Promise((resolve, reject) => { + const store = trans.objectStore(tableName); + const source = index.isPrimaryKey ? store : store.index(index.name); + const idbKeyRange = makeIDBKeyRange(range); + const req = idbKeyRange ? source.count(idbKeyRange) : source.count(); + req.onsuccess = wrap(ev => resolve(ev.target.result)); + req.onerror = eventRejectHandler(reject); + }); + } + }; + } + const { schema, hasGetAll } = extractSchema(db, tmpTrans); + const tables = schema.tables.map(tableSchema => createDbCoreTable(tableSchema)); + const tableMap = {}; + tables.forEach(table => tableMap[table.name] = table); + return { + stack: "dbcore", + transaction: db.transaction.bind(db), + table(name) { + const result = tableMap[name]; + if (!result) + throw new Error(`Table '${name}' not found`); + return tableMap[name]; + }, + MIN_KEY: -Infinity, + MAX_KEY: getMaxKey(IdbKeyRange), + schema + }; +} + +function createMiddlewareStack(stackImpl, middlewares) { + return middlewares.reduce((down, { create }) => ({ ...down, ...create(down) }), stackImpl); +} +function createMiddlewareStacks(middlewares, idbdb, { IDBKeyRange, indexedDB }, tmpTrans) { + const dbcore = createMiddlewareStack(createDBCore(idbdb, IDBKeyRange, tmpTrans), middlewares.dbcore); + return { + dbcore + }; +} +function generateMiddlewareStacks({ _novip: db }, tmpTrans) { + const idbdb = tmpTrans.db; + const stacks = createMiddlewareStacks(db._middlewares, idbdb, db._deps, tmpTrans); + db.core = stacks.dbcore; + db.tables.forEach(table => { + const tableName = table.name; + if (db.core.schema.tables.some(tbl => tbl.name === tableName)) { + table.core = db.core.table(tableName); + if (db[tableName] instanceof db.Table) { + db[tableName].core = table.core; + } + } + }); +} + +function setApiOnPlace({ _novip: db }, objs, tableNames, dbschema) { + tableNames.forEach(tableName => { + const schema = dbschema[tableName]; + objs.forEach(obj => { + const propDesc = getPropertyDescriptor(obj, tableName); + if (!propDesc || ("value" in propDesc && propDesc.value === undefined)) { + if (obj === db.Transaction.prototype || obj instanceof db.Transaction) { + setProp(obj, tableName, { + get() { return this.table(tableName); }, + set(value) { + defineProperty(this, tableName, { value, writable: true, configurable: true, enumerable: true }); + } + }); + } + else { + obj[tableName] = new db.Table(tableName, schema); + } + } + }); + }); +} +function removeTablesApi({ _novip: db }, objs) { + objs.forEach(obj => { + for (let key in obj) { + if (obj[key] instanceof db.Table) + delete obj[key]; + } + }); +} +function lowerVersionFirst(a, b) { + return a._cfg.version - b._cfg.version; +} +function runUpgraders(db, oldVersion, idbUpgradeTrans, reject) { + const globalSchema = db._dbSchema; + const trans = db._createTransaction('readwrite', db._storeNames, globalSchema); + trans.create(idbUpgradeTrans); + trans._completion.catch(reject); + const rejectTransaction = trans._reject.bind(trans); + const transless = PSD.transless || PSD; + newScope(() => { + PSD.trans = trans; + PSD.transless = transless; + if (oldVersion === 0) { + keys(globalSchema).forEach(tableName => { + createTable(idbUpgradeTrans, tableName, globalSchema[tableName].primKey, globalSchema[tableName].indexes); + }); + generateMiddlewareStacks(db, idbUpgradeTrans); + DexiePromise.follow(() => db.on.populate.fire(trans)).catch(rejectTransaction); + } + else + updateTablesAndIndexes(db, oldVersion, trans, idbUpgradeTrans).catch(rejectTransaction); + }); +} +function updateTablesAndIndexes({ _novip: db }, oldVersion, trans, idbUpgradeTrans) { + const queue = []; + const versions = db._versions; + let globalSchema = db._dbSchema = buildGlobalSchema(db, db.idbdb, idbUpgradeTrans); + let anyContentUpgraderHasRun = false; + const versToRun = versions.filter(v => v._cfg.version >= oldVersion); + versToRun.forEach(version => { + queue.push(() => { + const oldSchema = globalSchema; + const newSchema = version._cfg.dbschema; + adjustToExistingIndexNames(db, oldSchema, idbUpgradeTrans); + adjustToExistingIndexNames(db, newSchema, idbUpgradeTrans); + globalSchema = db._dbSchema = newSchema; + const diff = getSchemaDiff(oldSchema, newSchema); + diff.add.forEach(tuple => { + createTable(idbUpgradeTrans, tuple[0], tuple[1].primKey, tuple[1].indexes); + }); + diff.change.forEach(change => { + if (change.recreate) { + throw new exceptions.Upgrade("Not yet support for changing primary key"); + } + else { + const store = idbUpgradeTrans.objectStore(change.name); + change.add.forEach(idx => addIndex(store, idx)); + change.change.forEach(idx => { + store.deleteIndex(idx.name); + addIndex(store, idx); + }); + change.del.forEach(idxName => store.deleteIndex(idxName)); + } + }); + const contentUpgrade = version._cfg.contentUpgrade; + if (contentUpgrade && version._cfg.version > oldVersion) { + generateMiddlewareStacks(db, idbUpgradeTrans); + trans._memoizedTables = {}; + anyContentUpgraderHasRun = true; + let upgradeSchema = shallowClone(newSchema); + diff.del.forEach(table => { + upgradeSchema[table] = oldSchema[table]; + }); + removeTablesApi(db, [db.Transaction.prototype]); + setApiOnPlace(db, [db.Transaction.prototype], keys(upgradeSchema), upgradeSchema); + trans.schema = upgradeSchema; + const contentUpgradeIsAsync = isAsyncFunction(contentUpgrade); + if (contentUpgradeIsAsync) { + incrementExpectedAwaits(); + } + let returnValue; + const promiseFollowed = DexiePromise.follow(() => { + returnValue = contentUpgrade(trans); + if (returnValue) { + if (contentUpgradeIsAsync) { + var decrementor = decrementExpectedAwaits.bind(null, null); + returnValue.then(decrementor, decrementor); + } + } + }); + return (returnValue && typeof returnValue.then === 'function' ? + DexiePromise.resolve(returnValue) : promiseFollowed.then(() => returnValue)); + } + }); + queue.push(idbtrans => { + if (!anyContentUpgraderHasRun || !hasIEDeleteObjectStoreBug) { + const newSchema = version._cfg.dbschema; + deleteRemovedTables(newSchema, idbtrans); + } + removeTablesApi(db, [db.Transaction.prototype]); + setApiOnPlace(db, [db.Transaction.prototype], db._storeNames, db._dbSchema); + trans.schema = db._dbSchema; + }); + }); + function runQueue() { + return queue.length ? DexiePromise.resolve(queue.shift()(trans.idbtrans)).then(runQueue) : + DexiePromise.resolve(); + } + return runQueue().then(() => { + createMissingTables(globalSchema, idbUpgradeTrans); + }); +} +function getSchemaDiff(oldSchema, newSchema) { + const diff = { + del: [], + add: [], + change: [] + }; + let table; + for (table in oldSchema) { + if (!newSchema[table]) + diff.del.push(table); + } + for (table in newSchema) { + const oldDef = oldSchema[table], newDef = newSchema[table]; + if (!oldDef) { + diff.add.push([table, newDef]); + } + else { + const change = { + name: table, + def: newDef, + recreate: false, + del: [], + add: [], + change: [] + }; + if (( + '' + (oldDef.primKey.keyPath || '')) !== ('' + (newDef.primKey.keyPath || '')) || + (oldDef.primKey.auto !== newDef.primKey.auto && !isIEOrEdge)) + { + change.recreate = true; + diff.change.push(change); + } + else { + const oldIndexes = oldDef.idxByName; + const newIndexes = newDef.idxByName; + let idxName; + for (idxName in oldIndexes) { + if (!newIndexes[idxName]) + change.del.push(idxName); + } + for (idxName in newIndexes) { + const oldIdx = oldIndexes[idxName], newIdx = newIndexes[idxName]; + if (!oldIdx) + change.add.push(newIdx); + else if (oldIdx.src !== newIdx.src) + change.change.push(newIdx); + } + if (change.del.length > 0 || change.add.length > 0 || change.change.length > 0) { + diff.change.push(change); + } + } + } + } + return diff; +} +function createTable(idbtrans, tableName, primKey, indexes) { + const store = idbtrans.db.createObjectStore(tableName, primKey.keyPath ? + { keyPath: primKey.keyPath, autoIncrement: primKey.auto } : + { autoIncrement: primKey.auto }); + indexes.forEach(idx => addIndex(store, idx)); + return store; +} +function createMissingTables(newSchema, idbtrans) { + keys(newSchema).forEach(tableName => { + if (!idbtrans.db.objectStoreNames.contains(tableName)) { + createTable(idbtrans, tableName, newSchema[tableName].primKey, newSchema[tableName].indexes); + } + }); +} +function deleteRemovedTables(newSchema, idbtrans) { + [].slice.call(idbtrans.db.objectStoreNames).forEach(storeName => newSchema[storeName] == null && idbtrans.db.deleteObjectStore(storeName)); +} +function addIndex(store, idx) { + store.createIndex(idx.name, idx.keyPath, { unique: idx.unique, multiEntry: idx.multi }); +} +function buildGlobalSchema(db, idbdb, tmpTrans) { + const globalSchema = {}; + const dbStoreNames = slice(idbdb.objectStoreNames, 0); + dbStoreNames.forEach(storeName => { + const store = tmpTrans.objectStore(storeName); + let keyPath = store.keyPath; + const primKey = createIndexSpec(nameFromKeyPath(keyPath), keyPath || "", false, false, !!store.autoIncrement, keyPath && typeof keyPath !== "string", true); + const indexes = []; + for (let j = 0; j < store.indexNames.length; ++j) { + const idbindex = store.index(store.indexNames[j]); + keyPath = idbindex.keyPath; + var index = createIndexSpec(idbindex.name, keyPath, !!idbindex.unique, !!idbindex.multiEntry, false, keyPath && typeof keyPath !== "string", false); + indexes.push(index); + } + globalSchema[storeName] = createTableSchema(storeName, primKey, indexes); + }); + return globalSchema; +} +function readGlobalSchema({ _novip: db }, idbdb, tmpTrans) { + db.verno = idbdb.version / 10; + const globalSchema = db._dbSchema = buildGlobalSchema(db, idbdb, tmpTrans); + db._storeNames = slice(idbdb.objectStoreNames, 0); + setApiOnPlace(db, [db._allTables], keys(globalSchema), globalSchema); +} +function verifyInstalledSchema(db, tmpTrans) { + const installedSchema = buildGlobalSchema(db, db.idbdb, tmpTrans); + const diff = getSchemaDiff(installedSchema, db._dbSchema); + return !(diff.add.length || diff.change.some(ch => ch.add.length || ch.change.length)); +} +function adjustToExistingIndexNames({ _novip: db }, schema, idbtrans) { + const storeNames = idbtrans.db.objectStoreNames; + for (let i = 0; i < storeNames.length; ++i) { + const storeName = storeNames[i]; + const store = idbtrans.objectStore(storeName); + db._hasGetAll = 'getAll' in store; + for (let j = 0; j < store.indexNames.length; ++j) { + const indexName = store.indexNames[j]; + const keyPath = store.index(indexName).keyPath; + const dexieName = typeof keyPath === 'string' ? keyPath : "[" + slice(keyPath).join('+') + "]"; + if (schema[storeName]) { + const indexSpec = schema[storeName].idxByName[dexieName]; + if (indexSpec) { + indexSpec.name = indexName; + delete schema[storeName].idxByName[dexieName]; + schema[storeName].idxByName[indexName] = indexSpec; + } + } + } + } + if (typeof navigator !== 'undefined' && /Safari/.test(navigator.userAgent) && + !/(Chrome\/|Edge\/)/.test(navigator.userAgent) && + _global.WorkerGlobalScope && _global instanceof _global.WorkerGlobalScope && + [].concat(navigator.userAgent.match(/Safari\/(\d*)/))[1] < 604) { + db._hasGetAll = false; + } +} +function parseIndexSyntax(primKeyAndIndexes) { + return primKeyAndIndexes.split(',').map((index, indexNum) => { + index = index.trim(); + const name = index.replace(/([&*]|\+\+)/g, ""); + const keyPath = /^\[/.test(name) ? name.match(/^\[(.*)\]$/)[1].split('+') : name; + return createIndexSpec(name, keyPath || null, /\&/.test(index), /\*/.test(index), /\+\+/.test(index), isArray(keyPath), indexNum === 0); + }); +} + +class Version { + _parseStoresSpec(stores, outSchema) { + keys(stores).forEach(tableName => { + if (stores[tableName] !== null) { + var indexes = parseIndexSyntax(stores[tableName]); + var primKey = indexes.shift(); + if (primKey.multi) + throw new exceptions.Schema("Primary key cannot be multi-valued"); + indexes.forEach(idx => { + if (idx.auto) + throw new exceptions.Schema("Only primary key can be marked as autoIncrement (++)"); + if (!idx.keyPath) + throw new exceptions.Schema("Index must have a name and cannot be an empty string"); + }); + outSchema[tableName] = createTableSchema(tableName, primKey, indexes); + } + }); + } + stores(stores) { + const db = this.db; + this._cfg.storesSource = this._cfg.storesSource ? + extend(this._cfg.storesSource, stores) : + stores; + const versions = db._versions; + const storesSpec = {}; + let dbschema = {}; + versions.forEach(version => { + extend(storesSpec, version._cfg.storesSource); + dbschema = (version._cfg.dbschema = {}); + version._parseStoresSpec(storesSpec, dbschema); + }); + db._dbSchema = dbschema; + removeTablesApi(db, [db._allTables, db, db.Transaction.prototype]); + setApiOnPlace(db, [db._allTables, db, db.Transaction.prototype, this._cfg.tables], keys(dbschema), dbschema); + db._storeNames = keys(dbschema); + return this; + } + upgrade(upgradeFunction) { + this._cfg.contentUpgrade = promisableChain(this._cfg.contentUpgrade || nop, upgradeFunction); + return this; + } +} + +function createVersionConstructor(db) { + return makeClassConstructor(Version.prototype, function Version(versionNumber) { + this.db = db; + this._cfg = { + version: versionNumber, + storesSource: null, + dbschema: {}, + tables: {}, + contentUpgrade: null + }; + }); +} + +function getDbNamesTable(indexedDB, IDBKeyRange) { + let dbNamesDB = indexedDB["_dbNamesDB"]; + if (!dbNamesDB) { + dbNamesDB = indexedDB["_dbNamesDB"] = new Dexie$1(DBNAMES_DB, { + addons: [], + indexedDB, + IDBKeyRange, + }); + dbNamesDB.version(1).stores({ dbnames: "name" }); + } + return dbNamesDB.table("dbnames"); +} +function hasDatabasesNative(indexedDB) { + return indexedDB && typeof indexedDB.databases === "function"; +} +function getDatabaseNames({ indexedDB, IDBKeyRange, }) { + return hasDatabasesNative(indexedDB) + ? Promise.resolve(indexedDB.databases()).then((infos) => infos + .map((info) => info.name) + .filter((name) => name !== DBNAMES_DB)) + : getDbNamesTable(indexedDB, IDBKeyRange).toCollection().primaryKeys(); +} +function _onDatabaseCreated({ indexedDB, IDBKeyRange }, name) { + !hasDatabasesNative(indexedDB) && + name !== DBNAMES_DB && + getDbNamesTable(indexedDB, IDBKeyRange).put({ name }).catch(nop); +} +function _onDatabaseDeleted({ indexedDB, IDBKeyRange }, name) { + !hasDatabasesNative(indexedDB) && + name !== DBNAMES_DB && + getDbNamesTable(indexedDB, IDBKeyRange).delete(name).catch(nop); +} + +function vip(fn) { + return newScope(function () { + PSD.letThrough = true; + return fn(); + }); +} + +function idbReady() { + var isSafari = !navigator.userAgentData && + /Safari\//.test(navigator.userAgent) && + !/Chrom(e|ium)\//.test(navigator.userAgent); + if (!isSafari || !indexedDB.databases) + return Promise.resolve(); + var intervalId; + return new Promise(function (resolve) { + var tryIdb = function () { return indexedDB.databases().finally(resolve); }; + intervalId = setInterval(tryIdb, 100); + tryIdb(); + }).finally(function () { return clearInterval(intervalId); }); +} + +function dexieOpen(db) { + const state = db._state; + const { indexedDB } = db._deps; + if (state.isBeingOpened || db.idbdb) + return state.dbReadyPromise.then(() => state.dbOpenError ? + rejection(state.dbOpenError) : + db); + debug && (state.openCanceller._stackHolder = getErrorWithStack()); + state.isBeingOpened = true; + state.dbOpenError = null; + state.openComplete = false; + const openCanceller = state.openCanceller; + function throwIfCancelled() { + if (state.openCanceller !== openCanceller) + throw new exceptions.DatabaseClosed('db.open() was cancelled'); + } + let resolveDbReady = state.dbReadyResolve, + upgradeTransaction = null, wasCreated = false; + return DexiePromise.race([openCanceller, (typeof navigator === 'undefined' ? DexiePromise.resolve() : idbReady()).then(() => new DexiePromise((resolve, reject) => { + throwIfCancelled(); + if (!indexedDB) + throw new exceptions.MissingAPI(); + const dbName = db.name; + const req = state.autoSchema ? + indexedDB.open(dbName) : + indexedDB.open(dbName, Math.round(db.verno * 10)); + if (!req) + throw new exceptions.MissingAPI(); + req.onerror = eventRejectHandler(reject); + req.onblocked = wrap(db._fireOnBlocked); + req.onupgradeneeded = wrap(e => { + upgradeTransaction = req.transaction; + if (state.autoSchema && !db._options.allowEmptyDB) { + req.onerror = preventDefault; + upgradeTransaction.abort(); + req.result.close(); + const delreq = indexedDB.deleteDatabase(dbName); + delreq.onsuccess = delreq.onerror = wrap(() => { + reject(new exceptions.NoSuchDatabase(`Database ${dbName} doesnt exist`)); + }); + } + else { + upgradeTransaction.onerror = eventRejectHandler(reject); + var oldVer = e.oldVersion > Math.pow(2, 62) ? 0 : e.oldVersion; + wasCreated = oldVer < 1; + db._novip.idbdb = req.result; + runUpgraders(db, oldVer / 10, upgradeTransaction, reject); + } + }, reject); + req.onsuccess = wrap(() => { + upgradeTransaction = null; + const idbdb = db._novip.idbdb = req.result; + const objectStoreNames = slice(idbdb.objectStoreNames); + if (objectStoreNames.length > 0) + try { + const tmpTrans = idbdb.transaction(safariMultiStoreFix(objectStoreNames), 'readonly'); + if (state.autoSchema) + readGlobalSchema(db, idbdb, tmpTrans); + else { + adjustToExistingIndexNames(db, db._dbSchema, tmpTrans); + if (!verifyInstalledSchema(db, tmpTrans)) { + console.warn(`Dexie SchemaDiff: Schema was extended without increasing the number passed to db.version(). Some queries may fail.`); + } + } + generateMiddlewareStacks(db, tmpTrans); + } + catch (e) { + } + connections.push(db); + idbdb.onversionchange = wrap(ev => { + state.vcFired = true; + db.on("versionchange").fire(ev); + }); + idbdb.onclose = wrap(ev => { + db.on("close").fire(ev); + }); + if (wasCreated) + _onDatabaseCreated(db._deps, dbName); + resolve(); + }, reject); + }))]).then(() => { + throwIfCancelled(); + state.onReadyBeingFired = []; + return DexiePromise.resolve(vip(() => db.on.ready.fire(db.vip))).then(function fireRemainders() { + if (state.onReadyBeingFired.length > 0) { + let remainders = state.onReadyBeingFired.reduce(promisableChain, nop); + state.onReadyBeingFired = []; + return DexiePromise.resolve(vip(() => remainders(db.vip))).then(fireRemainders); + } + }); + }).finally(() => { + state.onReadyBeingFired = null; + state.isBeingOpened = false; + }).then(() => { + return db; + }).catch(err => { + state.dbOpenError = err; + try { + upgradeTransaction && upgradeTransaction.abort(); + } + catch (_a) { } + if (openCanceller === state.openCanceller) { + db._close(); + } + return rejection(err); + }).finally(() => { + state.openComplete = true; + resolveDbReady(); + }); +} + +function awaitIterator(iterator) { + var callNext = result => iterator.next(result), doThrow = error => iterator.throw(error), onSuccess = step(callNext), onError = step(doThrow); + function step(getNext) { + return (val) => { + var next = getNext(val), value = next.value; + return next.done ? value : + (!value || typeof value.then !== 'function' ? + isArray(value) ? Promise.all(value).then(onSuccess, onError) : onSuccess(value) : + value.then(onSuccess, onError)); + }; + } + return step(callNext)(); +} + +function extractTransactionArgs(mode, _tableArgs_, scopeFunc) { + var i = arguments.length; + if (i < 2) + throw new exceptions.InvalidArgument("Too few arguments"); + var args = new Array(i - 1); + while (--i) + args[i - 1] = arguments[i]; + scopeFunc = args.pop(); + var tables = flatten(args); + return [mode, tables, scopeFunc]; +} +function enterTransactionScope(db, mode, storeNames, parentTransaction, scopeFunc) { + return DexiePromise.resolve().then(() => { + const transless = PSD.transless || PSD; + const trans = db._createTransaction(mode, storeNames, db._dbSchema, parentTransaction); + const zoneProps = { + trans: trans, + transless: transless + }; + if (parentTransaction) { + trans.idbtrans = parentTransaction.idbtrans; + } + else { + try { + trans.create(); + db._state.PR1398_maxLoop = 3; + } + catch (ex) { + if (ex.name === errnames.InvalidState && db.isOpen() && --db._state.PR1398_maxLoop > 0) { + console.warn('Dexie: Need to reopen db'); + db._close(); + return db.open().then(() => enterTransactionScope(db, mode, storeNames, null, scopeFunc)); + } + return rejection(ex); + } + } + const scopeFuncIsAsync = isAsyncFunction(scopeFunc); + if (scopeFuncIsAsync) { + incrementExpectedAwaits(); + } + let returnValue; + const promiseFollowed = DexiePromise.follow(() => { + returnValue = scopeFunc.call(trans, trans); + if (returnValue) { + if (scopeFuncIsAsync) { + var decrementor = decrementExpectedAwaits.bind(null, null); + returnValue.then(decrementor, decrementor); + } + else if (typeof returnValue.next === 'function' && typeof returnValue.throw === 'function') { + returnValue = awaitIterator(returnValue); + } + } + }, zoneProps); + return (returnValue && typeof returnValue.then === 'function' ? + DexiePromise.resolve(returnValue).then(x => trans.active ? + x + : rejection(new exceptions.PrematureCommit("Transaction committed too early. See http://bit.ly/2kdckMn"))) + : promiseFollowed.then(() => returnValue)).then(x => { + if (parentTransaction) + trans._resolve(); + return trans._completion.then(() => x); + }).catch(e => { + trans._reject(e); + return rejection(e); + }); + }); +} + +function pad(a, value, count) { + const result = isArray(a) ? a.slice() : [a]; + for (let i = 0; i < count; ++i) + result.push(value); + return result; +} +function createVirtualIndexMiddleware(down) { + return { + ...down, + table(tableName) { + const table = down.table(tableName); + const { schema } = table; + const indexLookup = {}; + const allVirtualIndexes = []; + function addVirtualIndexes(keyPath, keyTail, lowLevelIndex) { + const keyPathAlias = getKeyPathAlias(keyPath); + const indexList = (indexLookup[keyPathAlias] = indexLookup[keyPathAlias] || []); + const keyLength = keyPath == null ? 0 : typeof keyPath === 'string' ? 1 : keyPath.length; + const isVirtual = keyTail > 0; + const virtualIndex = { + ...lowLevelIndex, + isVirtual, + keyTail, + keyLength, + extractKey: getKeyExtractor(keyPath), + unique: !isVirtual && lowLevelIndex.unique + }; + indexList.push(virtualIndex); + if (!virtualIndex.isPrimaryKey) { + allVirtualIndexes.push(virtualIndex); + } + if (keyLength > 1) { + const virtualKeyPath = keyLength === 2 ? + keyPath[0] : + keyPath.slice(0, keyLength - 1); + addVirtualIndexes(virtualKeyPath, keyTail + 1, lowLevelIndex); + } + indexList.sort((a, b) => a.keyTail - b.keyTail); + return virtualIndex; + } + const primaryKey = addVirtualIndexes(schema.primaryKey.keyPath, 0, schema.primaryKey); + indexLookup[":id"] = [primaryKey]; + for (const index of schema.indexes) { + addVirtualIndexes(index.keyPath, 0, index); + } + function findBestIndex(keyPath) { + const result = indexLookup[getKeyPathAlias(keyPath)]; + return result && result[0]; + } + function translateRange(range, keyTail) { + return { + type: range.type === 1 ? + 2 : + range.type, + lower: pad(range.lower, range.lowerOpen ? down.MAX_KEY : down.MIN_KEY, keyTail), + lowerOpen: true, + upper: pad(range.upper, range.upperOpen ? down.MIN_KEY : down.MAX_KEY, keyTail), + upperOpen: true + }; + } + function translateRequest(req) { + const index = req.query.index; + return index.isVirtual ? { + ...req, + query: { + index, + range: translateRange(req.query.range, index.keyTail) + } + } : req; + } + const result = { + ...table, + schema: { + ...schema, + primaryKey, + indexes: allVirtualIndexes, + getIndexByKeyPath: findBestIndex + }, + count(req) { + return table.count(translateRequest(req)); + }, + query(req) { + return table.query(translateRequest(req)); + }, + openCursor(req) { + const { keyTail, isVirtual, keyLength } = req.query.index; + if (!isVirtual) + return table.openCursor(req); + function createVirtualCursor(cursor) { + function _continue(key) { + key != null ? + cursor.continue(pad(key, req.reverse ? down.MAX_KEY : down.MIN_KEY, keyTail)) : + req.unique ? + cursor.continue(cursor.key.slice(0, keyLength) + .concat(req.reverse + ? down.MIN_KEY + : down.MAX_KEY, keyTail)) : + cursor.continue(); + } + const virtualCursor = Object.create(cursor, { + continue: { value: _continue }, + continuePrimaryKey: { + value(key, primaryKey) { + cursor.continuePrimaryKey(pad(key, down.MAX_KEY, keyTail), primaryKey); + } + }, + primaryKey: { + get() { + return cursor.primaryKey; + } + }, + key: { + get() { + const key = cursor.key; + return keyLength === 1 ? + key[0] : + key.slice(0, keyLength); + } + }, + value: { + get() { + return cursor.value; + } + } + }); + return virtualCursor; + } + return table.openCursor(translateRequest(req)) + .then(cursor => cursor && createVirtualCursor(cursor)); + } + }; + return result; + } + }; +} +const virtualIndexMiddleware = { + stack: "dbcore", + name: "VirtualIndexMiddleware", + level: 1, + create: createVirtualIndexMiddleware +}; + +function getObjectDiff(a, b, rv, prfx) { + rv = rv || {}; + prfx = prfx || ''; + keys(a).forEach((prop) => { + if (!hasOwn(b, prop)) { + rv[prfx + prop] = undefined; + } + else { + var ap = a[prop], bp = b[prop]; + if (typeof ap === 'object' && typeof bp === 'object' && ap && bp) { + const apTypeName = toStringTag(ap); + const bpTypeName = toStringTag(bp); + if (apTypeName !== bpTypeName) { + rv[prfx + prop] = b[prop]; + } + else if (apTypeName === 'Object') { + getObjectDiff(ap, bp, rv, prfx + prop + '.'); + } + else if (ap !== bp) { + rv[prfx + prop] = b[prop]; + } + } + else if (ap !== bp) + rv[prfx + prop] = b[prop]; + } + }); + keys(b).forEach((prop) => { + if (!hasOwn(a, prop)) { + rv[prfx + prop] = b[prop]; + } + }); + return rv; +} + +function getEffectiveKeys(primaryKey, req) { + if (req.type === 'delete') + return req.keys; + return req.keys || req.values.map(primaryKey.extractKey); +} + +const hooksMiddleware = { + stack: "dbcore", + name: "HooksMiddleware", + level: 2, + create: (downCore) => ({ + ...downCore, + table(tableName) { + const downTable = downCore.table(tableName); + const { primaryKey } = downTable.schema; + const tableMiddleware = { + ...downTable, + mutate(req) { + const dxTrans = PSD.trans; + const { deleting, creating, updating } = dxTrans.table(tableName).hook; + switch (req.type) { + case 'add': + if (creating.fire === nop) + break; + return dxTrans._promise('readwrite', () => addPutOrDelete(req), true); + case 'put': + if (creating.fire === nop && updating.fire === nop) + break; + return dxTrans._promise('readwrite', () => addPutOrDelete(req), true); + case 'delete': + if (deleting.fire === nop) + break; + return dxTrans._promise('readwrite', () => addPutOrDelete(req), true); + case 'deleteRange': + if (deleting.fire === nop) + break; + return dxTrans._promise('readwrite', () => deleteRange(req), true); + } + return downTable.mutate(req); + function addPutOrDelete(req) { + const dxTrans = PSD.trans; + const keys = req.keys || getEffectiveKeys(primaryKey, req); + if (!keys) + throw new Error("Keys missing"); + req = req.type === 'add' || req.type === 'put' ? + { ...req, keys } : + { ...req }; + if (req.type !== 'delete') + req.values = [...req.values]; + if (req.keys) + req.keys = [...req.keys]; + return getExistingValues(downTable, req, keys).then(existingValues => { + const contexts = keys.map((key, i) => { + const existingValue = existingValues[i]; + const ctx = { onerror: null, onsuccess: null }; + if (req.type === 'delete') { + deleting.fire.call(ctx, key, existingValue, dxTrans); + } + else if (req.type === 'add' || existingValue === undefined) { + const generatedPrimaryKey = creating.fire.call(ctx, key, req.values[i], dxTrans); + if (key == null && generatedPrimaryKey != null) { + key = generatedPrimaryKey; + req.keys[i] = key; + if (!primaryKey.outbound) { + setByKeyPath(req.values[i], primaryKey.keyPath, key); + } + } + } + else { + const objectDiff = getObjectDiff(existingValue, req.values[i]); + const additionalChanges = updating.fire.call(ctx, objectDiff, key, existingValue, dxTrans); + if (additionalChanges) { + const requestedValue = req.values[i]; + Object.keys(additionalChanges).forEach(keyPath => { + if (hasOwn(requestedValue, keyPath)) { + requestedValue[keyPath] = additionalChanges[keyPath]; + } + else { + setByKeyPath(requestedValue, keyPath, additionalChanges[keyPath]); + } + }); + } + } + return ctx; + }); + return downTable.mutate(req).then(({ failures, results, numFailures, lastResult }) => { + for (let i = 0; i < keys.length; ++i) { + const primKey = results ? results[i] : keys[i]; + const ctx = contexts[i]; + if (primKey == null) { + ctx.onerror && ctx.onerror(failures[i]); + } + else { + ctx.onsuccess && ctx.onsuccess(req.type === 'put' && existingValues[i] ? + req.values[i] : + primKey + ); + } + } + return { failures, results, numFailures, lastResult }; + }).catch(error => { + contexts.forEach(ctx => ctx.onerror && ctx.onerror(error)); + return Promise.reject(error); + }); + }); + } + function deleteRange(req) { + return deleteNextChunk(req.trans, req.range, 10000); + } + function deleteNextChunk(trans, range, limit) { + return downTable.query({ trans, values: false, query: { index: primaryKey, range }, limit }) + .then(({ result }) => { + return addPutOrDelete({ type: 'delete', keys: result, trans }).then(res => { + if (res.numFailures > 0) + return Promise.reject(res.failures[0]); + if (result.length < limit) { + return { failures: [], numFailures: 0, lastResult: undefined }; + } + else { + return deleteNextChunk(trans, { ...range, lower: result[result.length - 1], lowerOpen: true }, limit); + } + }); + }); + } + } + }; + return tableMiddleware; + }, + }) +}; +function getExistingValues(table, req, effectiveKeys) { + return req.type === "add" + ? Promise.resolve([]) + : table.getMany({ trans: req.trans, keys: effectiveKeys, cache: "immutable" }); +} + +function getFromTransactionCache(keys, cache, clone) { + try { + if (!cache) + return null; + if (cache.keys.length < keys.length) + return null; + const result = []; + for (let i = 0, j = 0; i < cache.keys.length && j < keys.length; ++i) { + if (cmp(cache.keys[i], keys[j]) !== 0) + continue; + result.push(clone ? deepClone(cache.values[i]) : cache.values[i]); + ++j; + } + return result.length === keys.length ? result : null; + } + catch (_a) { + return null; + } +} +const cacheExistingValuesMiddleware = { + stack: "dbcore", + level: -1, + create: (core) => { + return { + table: (tableName) => { + const table = core.table(tableName); + return { + ...table, + getMany: (req) => { + if (!req.cache) { + return table.getMany(req); + } + const cachedResult = getFromTransactionCache(req.keys, req.trans["_cache"], req.cache === "clone"); + if (cachedResult) { + return DexiePromise.resolve(cachedResult); + } + return table.getMany(req).then((res) => { + req.trans["_cache"] = { + keys: req.keys, + values: req.cache === "clone" ? deepClone(res) : res, + }; + return res; + }); + }, + mutate: (req) => { + if (req.type !== "add") + req.trans["_cache"] = null; + return table.mutate(req); + }, + }; + }, + }; + }, +}; + +function isEmptyRange(node) { + return !("from" in node); +} +const RangeSet = function (fromOrTree, to) { + if (this) { + extend(this, arguments.length ? { d: 1, from: fromOrTree, to: arguments.length > 1 ? to : fromOrTree } : { d: 0 }); + } + else { + const rv = new RangeSet(); + if (fromOrTree && ("d" in fromOrTree)) { + extend(rv, fromOrTree); + } + return rv; + } +}; +props(RangeSet.prototype, { + add(rangeSet) { + mergeRanges(this, rangeSet); + return this; + }, + addKey(key) { + addRange(this, key, key); + return this; + }, + addKeys(keys) { + keys.forEach(key => addRange(this, key, key)); + return this; + }, + [iteratorSymbol]() { + return getRangeSetIterator(this); + } +}); +function addRange(target, from, to) { + const diff = cmp(from, to); + if (isNaN(diff)) + return; + if (diff > 0) + throw RangeError(); + if (isEmptyRange(target)) + return extend(target, { from, to, d: 1 }); + const left = target.l; + const right = target.r; + if (cmp(to, target.from) < 0) { + left + ? addRange(left, from, to) + : (target.l = { from, to, d: 1, l: null, r: null }); + return rebalance(target); + } + if (cmp(from, target.to) > 0) { + right + ? addRange(right, from, to) + : (target.r = { from, to, d: 1, l: null, r: null }); + return rebalance(target); + } + if (cmp(from, target.from) < 0) { + target.from = from; + target.l = null; + target.d = right ? right.d + 1 : 1; + } + if (cmp(to, target.to) > 0) { + target.to = to; + target.r = null; + target.d = target.l ? target.l.d + 1 : 1; + } + const rightWasCutOff = !target.r; + if (left && !target.l) { + mergeRanges(target, left); + } + if (right && rightWasCutOff) { + mergeRanges(target, right); + } +} +function mergeRanges(target, newSet) { + function _addRangeSet(target, { from, to, l, r }) { + addRange(target, from, to); + if (l) + _addRangeSet(target, l); + if (r) + _addRangeSet(target, r); + } + if (!isEmptyRange(newSet)) + _addRangeSet(target, newSet); +} +function rangesOverlap(rangeSet1, rangeSet2) { + const i1 = getRangeSetIterator(rangeSet2); + let nextResult1 = i1.next(); + if (nextResult1.done) + return false; + let a = nextResult1.value; + const i2 = getRangeSetIterator(rangeSet1); + let nextResult2 = i2.next(a.from); + let b = nextResult2.value; + while (!nextResult1.done && !nextResult2.done) { + if (cmp(b.from, a.to) <= 0 && cmp(b.to, a.from) >= 0) + return true; + cmp(a.from, b.from) < 0 + ? (a = (nextResult1 = i1.next(b.from)).value) + : (b = (nextResult2 = i2.next(a.from)).value); + } + return false; +} +function getRangeSetIterator(node) { + let state = isEmptyRange(node) ? null : { s: 0, n: node }; + return { + next(key) { + const keyProvided = arguments.length > 0; + while (state) { + switch (state.s) { + case 0: + state.s = 1; + if (keyProvided) { + while (state.n.l && cmp(key, state.n.from) < 0) + state = { up: state, n: state.n.l, s: 1 }; + } + else { + while (state.n.l) + state = { up: state, n: state.n.l, s: 1 }; + } + case 1: + state.s = 2; + if (!keyProvided || cmp(key, state.n.to) <= 0) + return { value: state.n, done: false }; + case 2: + if (state.n.r) { + state.s = 3; + state = { up: state, n: state.n.r, s: 0 }; + continue; + } + case 3: + state = state.up; + } + } + return { done: true }; + }, + }; +} +function rebalance(target) { + var _a, _b; + const diff = (((_a = target.r) === null || _a === void 0 ? void 0 : _a.d) || 0) - (((_b = target.l) === null || _b === void 0 ? void 0 : _b.d) || 0); + const r = diff > 1 ? "r" : diff < -1 ? "l" : ""; + if (r) { + const l = r === "r" ? "l" : "r"; + const rootClone = { ...target }; + const oldRootRight = target[r]; + target.from = oldRootRight.from; + target.to = oldRootRight.to; + target[r] = oldRootRight[r]; + rootClone[r] = oldRootRight[l]; + target[l] = rootClone; + rootClone.d = computeDepth(rootClone); + } + target.d = computeDepth(target); +} +function computeDepth({ r, l }) { + return (r ? (l ? Math.max(r.d, l.d) : r.d) : l ? l.d : 0) + 1; +} + +const observabilityMiddleware = { + stack: "dbcore", + level: 0, + create: (core) => { + const dbName = core.schema.name; + const FULL_RANGE = new RangeSet(core.MIN_KEY, core.MAX_KEY); + return { + ...core, + table: (tableName) => { + const table = core.table(tableName); + const { schema } = table; + const { primaryKey } = schema; + const { extractKey, outbound } = primaryKey; + const tableClone = { + ...table, + mutate: (req) => { + const trans = req.trans; + const mutatedParts = trans.mutatedParts || (trans.mutatedParts = {}); + const getRangeSet = (indexName) => { + const part = `idb://${dbName}/${tableName}/${indexName}`; + return (mutatedParts[part] || + (mutatedParts[part] = new RangeSet())); + }; + const pkRangeSet = getRangeSet(""); + const delsRangeSet = getRangeSet(":dels"); + const { type } = req; + let [keys, newObjs] = req.type === "deleteRange" + ? [req.range] + : req.type === "delete" + ? [req.keys] + : req.values.length < 50 + ? [[], req.values] + : []; + const oldCache = req.trans["_cache"]; + return table.mutate(req).then((res) => { + if (isArray(keys)) { + if (type !== "delete") + keys = res.results; + pkRangeSet.addKeys(keys); + const oldObjs = getFromTransactionCache(keys, oldCache); + if (!oldObjs && type !== "add") { + delsRangeSet.addKeys(keys); + } + if (oldObjs || newObjs) { + trackAffectedIndexes(getRangeSet, schema, oldObjs, newObjs); + } + } + else if (keys) { + const range = { from: keys.lower, to: keys.upper }; + delsRangeSet.add(range); + pkRangeSet.add(range); + } + else { + pkRangeSet.add(FULL_RANGE); + delsRangeSet.add(FULL_RANGE); + schema.indexes.forEach(idx => getRangeSet(idx.name).add(FULL_RANGE)); + } + return res; + }); + }, + }; + const getRange = ({ query: { index, range }, }) => { + var _a, _b; + return [ + index, + new RangeSet((_a = range.lower) !== null && _a !== void 0 ? _a : core.MIN_KEY, (_b = range.upper) !== null && _b !== void 0 ? _b : core.MAX_KEY), + ]; + }; + const readSubscribers = { + get: (req) => [primaryKey, new RangeSet(req.key)], + getMany: (req) => [primaryKey, new RangeSet().addKeys(req.keys)], + count: getRange, + query: getRange, + openCursor: getRange, + }; + keys(readSubscribers).forEach(method => { + tableClone[method] = function (req) { + const { subscr } = PSD; + if (subscr) { + const getRangeSet = (indexName) => { + const part = `idb://${dbName}/${tableName}/${indexName}`; + return (subscr[part] || + (subscr[part] = new RangeSet())); + }; + const pkRangeSet = getRangeSet(""); + const delsRangeSet = getRangeSet(":dels"); + const [queriedIndex, queriedRanges] = readSubscribers[method](req); + getRangeSet(queriedIndex.name || "").add(queriedRanges); + if (!queriedIndex.isPrimaryKey) { + if (method === "count") { + delsRangeSet.add(FULL_RANGE); + } + else { + const keysPromise = method === "query" && + outbound && + req.values && + table.query({ + ...req, + values: false, + }); + return table[method].apply(this, arguments).then((res) => { + if (method === "query") { + if (outbound && req.values) { + return keysPromise.then(({ result: resultingKeys }) => { + pkRangeSet.addKeys(resultingKeys); + return res; + }); + } + const pKeys = req.values + ? res.result.map(extractKey) + : res.result; + if (req.values) { + pkRangeSet.addKeys(pKeys); + } + else { + delsRangeSet.addKeys(pKeys); + } + } + else if (method === "openCursor") { + const cursor = res; + const wantValues = req.values; + return (cursor && + Object.create(cursor, { + key: { + get() { + delsRangeSet.addKey(cursor.primaryKey); + return cursor.key; + }, + }, + primaryKey: { + get() { + const pkey = cursor.primaryKey; + delsRangeSet.addKey(pkey); + return pkey; + }, + }, + value: { + get() { + wantValues && pkRangeSet.addKey(cursor.primaryKey); + return cursor.value; + }, + }, + })); + } + return res; + }); + } + } + } + return table[method].apply(this, arguments); + }; + }); + return tableClone; + }, + }; + }, +}; +function trackAffectedIndexes(getRangeSet, schema, oldObjs, newObjs) { + function addAffectedIndex(ix) { + const rangeSet = getRangeSet(ix.name || ""); + function extractKey(obj) { + return obj != null ? ix.extractKey(obj) : null; + } + const addKeyOrKeys = (key) => ix.multiEntry && isArray(key) + ? key.forEach(key => rangeSet.addKey(key)) + : rangeSet.addKey(key); + (oldObjs || newObjs).forEach((_, i) => { + const oldKey = oldObjs && extractKey(oldObjs[i]); + const newKey = newObjs && extractKey(newObjs[i]); + if (cmp(oldKey, newKey) !== 0) { + if (oldKey != null) + addKeyOrKeys(oldKey); + if (newKey != null) + addKeyOrKeys(newKey); + } + }); + } + schema.indexes.forEach(addAffectedIndex); +} + +class Dexie$1 { + constructor(name, options) { + this._middlewares = {}; + this.verno = 0; + const deps = Dexie$1.dependencies; + this._options = options = { + addons: Dexie$1.addons, + autoOpen: true, + indexedDB: deps.indexedDB, + IDBKeyRange: deps.IDBKeyRange, + ...options + }; + this._deps = { + indexedDB: options.indexedDB, + IDBKeyRange: options.IDBKeyRange + }; + const { addons, } = options; + this._dbSchema = {}; + this._versions = []; + this._storeNames = []; + this._allTables = {}; + this.idbdb = null; + this._novip = this; + const state = { + dbOpenError: null, + isBeingOpened: false, + onReadyBeingFired: null, + openComplete: false, + dbReadyResolve: nop, + dbReadyPromise: null, + cancelOpen: nop, + openCanceller: null, + autoSchema: true, + PR1398_maxLoop: 3 + }; + state.dbReadyPromise = new DexiePromise(resolve => { + state.dbReadyResolve = resolve; + }); + state.openCanceller = new DexiePromise((_, reject) => { + state.cancelOpen = reject; + }); + this._state = state; + this.name = name; + this.on = Events(this, "populate", "blocked", "versionchange", "close", { ready: [promisableChain, nop] }); + this.on.ready.subscribe = override(this.on.ready.subscribe, subscribe => { + return (subscriber, bSticky) => { + Dexie$1.vip(() => { + const state = this._state; + if (state.openComplete) { + if (!state.dbOpenError) + DexiePromise.resolve().then(subscriber); + if (bSticky) + subscribe(subscriber); + } + else if (state.onReadyBeingFired) { + state.onReadyBeingFired.push(subscriber); + if (bSticky) + subscribe(subscriber); + } + else { + subscribe(subscriber); + const db = this; + if (!bSticky) + subscribe(function unsubscribe() { + db.on.ready.unsubscribe(subscriber); + db.on.ready.unsubscribe(unsubscribe); + }); + } + }); + }; + }); + this.Collection = createCollectionConstructor(this); + this.Table = createTableConstructor(this); + this.Transaction = createTransactionConstructor(this); + this.Version = createVersionConstructor(this); + this.WhereClause = createWhereClauseConstructor(this); + this.on("versionchange", ev => { + if (ev.newVersion > 0) + console.warn(`Another connection wants to upgrade database '${this.name}'. Closing db now to resume the upgrade.`); + else + console.warn(`Another connection wants to delete database '${this.name}'. Closing db now to resume the delete request.`); + this.close(); + }); + this.on("blocked", ev => { + if (!ev.newVersion || ev.newVersion < ev.oldVersion) + console.warn(`Dexie.delete('${this.name}') was blocked`); + else + console.warn(`Upgrade '${this.name}' blocked by other connection holding version ${ev.oldVersion / 10}`); + }); + this._maxKey = getMaxKey(options.IDBKeyRange); + this._createTransaction = (mode, storeNames, dbschema, parentTransaction) => new this.Transaction(mode, storeNames, dbschema, this._options.chromeTransactionDurability, parentTransaction); + this._fireOnBlocked = ev => { + this.on("blocked").fire(ev); + connections + .filter(c => c.name === this.name && c !== this && !c._state.vcFired) + .map(c => c.on("versionchange").fire(ev)); + }; + this.use(virtualIndexMiddleware); + this.use(hooksMiddleware); + this.use(observabilityMiddleware); + this.use(cacheExistingValuesMiddleware); + this.vip = Object.create(this, { _vip: { value: true } }); + addons.forEach(addon => addon(this)); + } + version(versionNumber) { + if (isNaN(versionNumber) || versionNumber < 0.1) + throw new exceptions.Type(`Given version is not a positive number`); + versionNumber = Math.round(versionNumber * 10) / 10; + if (this.idbdb || this._state.isBeingOpened) + throw new exceptions.Schema("Cannot add version when database is open"); + this.verno = Math.max(this.verno, versionNumber); + const versions = this._versions; + var versionInstance = versions.filter(v => v._cfg.version === versionNumber)[0]; + if (versionInstance) + return versionInstance; + versionInstance = new this.Version(versionNumber); + versions.push(versionInstance); + versions.sort(lowerVersionFirst); + versionInstance.stores({}); + this._state.autoSchema = false; + return versionInstance; + } + _whenReady(fn) { + return (this.idbdb && (this._state.openComplete || PSD.letThrough || this._vip)) ? fn() : new DexiePromise((resolve, reject) => { + if (this._state.openComplete) { + return reject(new exceptions.DatabaseClosed(this._state.dbOpenError)); + } + if (!this._state.isBeingOpened) { + if (!this._options.autoOpen) { + reject(new exceptions.DatabaseClosed()); + return; + } + this.open().catch(nop); + } + this._state.dbReadyPromise.then(resolve, reject); + }).then(fn); + } + use({ stack, create, level, name }) { + if (name) + this.unuse({ stack, name }); + const middlewares = this._middlewares[stack] || (this._middlewares[stack] = []); + middlewares.push({ stack, create, level: level == null ? 10 : level, name }); + middlewares.sort((a, b) => a.level - b.level); + return this; + } + unuse({ stack, name, create }) { + if (stack && this._middlewares[stack]) { + this._middlewares[stack] = this._middlewares[stack].filter(mw => create ? mw.create !== create : + name ? mw.name !== name : + false); + } + return this; + } + open() { + return dexieOpen(this); + } + _close() { + const state = this._state; + const idx = connections.indexOf(this); + if (idx >= 0) + connections.splice(idx, 1); + if (this.idbdb) { + try { + this.idbdb.close(); + } + catch (e) { } + this._novip.idbdb = null; + } + state.dbReadyPromise = new DexiePromise(resolve => { + state.dbReadyResolve = resolve; + }); + state.openCanceller = new DexiePromise((_, reject) => { + state.cancelOpen = reject; + }); + } + close() { + this._close(); + const state = this._state; + this._options.autoOpen = false; + state.dbOpenError = new exceptions.DatabaseClosed(); + if (state.isBeingOpened) + state.cancelOpen(state.dbOpenError); + } + delete() { + const hasArguments = arguments.length > 0; + const state = this._state; + return new DexiePromise((resolve, reject) => { + const doDelete = () => { + this.close(); + var req = this._deps.indexedDB.deleteDatabase(this.name); + req.onsuccess = wrap(() => { + _onDatabaseDeleted(this._deps, this.name); + resolve(); + }); + req.onerror = eventRejectHandler(reject); + req.onblocked = this._fireOnBlocked; + }; + if (hasArguments) + throw new exceptions.InvalidArgument("Arguments not allowed in db.delete()"); + if (state.isBeingOpened) { + state.dbReadyPromise.then(doDelete); + } + else { + doDelete(); + } + }); + } + backendDB() { + return this.idbdb; + } + isOpen() { + return this.idbdb !== null; + } + hasBeenClosed() { + const dbOpenError = this._state.dbOpenError; + return dbOpenError && (dbOpenError.name === 'DatabaseClosed'); + } + hasFailed() { + return this._state.dbOpenError !== null; + } + dynamicallyOpened() { + return this._state.autoSchema; + } + get tables() { + return keys(this._allTables).map(name => this._allTables[name]); + } + transaction() { + const args = extractTransactionArgs.apply(this, arguments); + return this._transaction.apply(this, args); + } + _transaction(mode, tables, scopeFunc) { + let parentTransaction = PSD.trans; + if (!parentTransaction || parentTransaction.db !== this || mode.indexOf('!') !== -1) + parentTransaction = null; + const onlyIfCompatible = mode.indexOf('?') !== -1; + mode = mode.replace('!', '').replace('?', ''); + let idbMode, storeNames; + try { + storeNames = tables.map(table => { + var storeName = table instanceof this.Table ? table.name : table; + if (typeof storeName !== 'string') + throw new TypeError("Invalid table argument to Dexie.transaction(). Only Table or String are allowed"); + return storeName; + }); + if (mode == "r" || mode === READONLY) + idbMode = READONLY; + else if (mode == "rw" || mode == READWRITE) + idbMode = READWRITE; + else + throw new exceptions.InvalidArgument("Invalid transaction mode: " + mode); + if (parentTransaction) { + if (parentTransaction.mode === READONLY && idbMode === READWRITE) { + if (onlyIfCompatible) { + parentTransaction = null; + } + else + throw new exceptions.SubTransaction("Cannot enter a sub-transaction with READWRITE mode when parent transaction is READONLY"); + } + if (parentTransaction) { + storeNames.forEach(storeName => { + if (parentTransaction && parentTransaction.storeNames.indexOf(storeName) === -1) { + if (onlyIfCompatible) { + parentTransaction = null; + } + else + throw new exceptions.SubTransaction("Table " + storeName + + " not included in parent transaction."); + } + }); + } + if (onlyIfCompatible && parentTransaction && !parentTransaction.active) { + parentTransaction = null; + } + } + } + catch (e) { + return parentTransaction ? + parentTransaction._promise(null, (_, reject) => { reject(e); }) : + rejection(e); + } + const enterTransaction = enterTransactionScope.bind(null, this, idbMode, storeNames, parentTransaction, scopeFunc); + return (parentTransaction ? + parentTransaction._promise(idbMode, enterTransaction, "lock") : + PSD.trans ? + usePSD(PSD.transless, () => this._whenReady(enterTransaction)) : + this._whenReady(enterTransaction)); + } + table(tableName) { + if (!hasOwn(this._allTables, tableName)) { + throw new exceptions.InvalidTable(`Table ${tableName} does not exist`); + } + return this._allTables[tableName]; + } +} + +const symbolObservable = typeof Symbol !== "undefined" && "observable" in Symbol + ? Symbol.observable + : "@@observable"; +class Observable { + constructor(subscribe) { + this._subscribe = subscribe; + } + subscribe(x, error, complete) { + return this._subscribe(!x || typeof x === "function" ? { next: x, error, complete } : x); + } + [symbolObservable]() { + return this; + } +} + +function extendObservabilitySet(target, newSet) { + keys(newSet).forEach(part => { + const rangeSet = target[part] || (target[part] = new RangeSet()); + mergeRanges(rangeSet, newSet[part]); + }); + return target; +} + +function liveQuery(querier) { + let hasValue = false; + let currentValue = undefined; + const observable = new Observable((observer) => { + const scopeFuncIsAsync = isAsyncFunction(querier); + function execute(subscr) { + if (scopeFuncIsAsync) { + incrementExpectedAwaits(); + } + const exec = () => newScope(querier, { subscr, trans: null }); + const rv = PSD.trans + ? + usePSD(PSD.transless, exec) + : exec(); + if (scopeFuncIsAsync) { + rv.then(decrementExpectedAwaits, decrementExpectedAwaits); + } + return rv; + } + let closed = false; + let accumMuts = {}; + let currentObs = {}; + const subscription = { + get closed() { + return closed; + }, + unsubscribe: () => { + closed = true; + globalEvents.storagemutated.unsubscribe(mutationListener); + }, + }; + observer.start && observer.start(subscription); + let querying = false, startedListening = false; + function shouldNotify() { + return keys(currentObs).some((key) => accumMuts[key] && rangesOverlap(accumMuts[key], currentObs[key])); + } + const mutationListener = (parts) => { + extendObservabilitySet(accumMuts, parts); + if (shouldNotify()) { + doQuery(); + } + }; + const doQuery = () => { + if (querying || closed) + return; + accumMuts = {}; + const subscr = {}; + const ret = execute(subscr); + if (!startedListening) { + globalEvents(DEXIE_STORAGE_MUTATED_EVENT_NAME, mutationListener); + startedListening = true; + } + querying = true; + Promise.resolve(ret).then((result) => { + hasValue = true; + currentValue = result; + querying = false; + if (closed) + return; + if (shouldNotify()) { + doQuery(); + } + else { + accumMuts = {}; + currentObs = subscr; + observer.next && observer.next(result); + } + }, (err) => { + querying = false; + hasValue = false; + observer.error && observer.error(err); + subscription.unsubscribe(); + }); + }; + doQuery(); + return subscription; + }); + observable.hasValue = () => hasValue; + observable.getValue = () => currentValue; + return observable; +} + +let domDeps; +try { + domDeps = { + indexedDB: _global.indexedDB || _global.mozIndexedDB || _global.webkitIndexedDB || _global.msIndexedDB, + IDBKeyRange: _global.IDBKeyRange || _global.webkitIDBKeyRange + }; +} +catch (e) { + domDeps = { indexedDB: null, IDBKeyRange: null }; +} + +const Dexie = Dexie$1; +props(Dexie, { + ...fullNameExceptions, + delete(databaseName) { + const db = new Dexie(databaseName, { addons: [] }); + return db.delete(); + }, + exists(name) { + return new Dexie(name, { addons: [] }).open().then(db => { + db.close(); + return true; + }).catch('NoSuchDatabaseError', () => false); + }, + getDatabaseNames(cb) { + try { + return getDatabaseNames(Dexie.dependencies).then(cb); + } + catch (_a) { + return rejection(new exceptions.MissingAPI()); + } + }, + defineClass() { + function Class(content) { + extend(this, content); + } + return Class; + }, + ignoreTransaction(scopeFunc) { + return PSD.trans ? + usePSD(PSD.transless, scopeFunc) : + scopeFunc(); + }, + vip, + async: function (generatorFn) { + return function () { + try { + var rv = awaitIterator(generatorFn.apply(this, arguments)); + if (!rv || typeof rv.then !== 'function') + return DexiePromise.resolve(rv); + return rv; + } + catch (e) { + return rejection(e); + } + }; + }, + spawn: function (generatorFn, args, thiz) { + try { + var rv = awaitIterator(generatorFn.apply(thiz, args || [])); + if (!rv || typeof rv.then !== 'function') + return DexiePromise.resolve(rv); + return rv; + } + catch (e) { + return rejection(e); + } + }, + currentTransaction: { + get: () => PSD.trans || null + }, + waitFor: function (promiseOrFunction, optionalTimeout) { + const promise = DexiePromise.resolve(typeof promiseOrFunction === 'function' ? + Dexie.ignoreTransaction(promiseOrFunction) : + promiseOrFunction) + .timeout(optionalTimeout || 60000); + return PSD.trans ? + PSD.trans.waitFor(promise) : + promise; + }, + Promise: DexiePromise, + debug: { + get: () => debug, + set: value => { + setDebug(value, value === 'dexie' ? () => true : dexieStackFrameFilter); + } + }, + derive: derive, + extend: extend, + props: props, + override: override, + Events: Events, + on: globalEvents, + liveQuery, + extendObservabilitySet, + getByKeyPath: getByKeyPath, + setByKeyPath: setByKeyPath, + delByKeyPath: delByKeyPath, + shallowClone: shallowClone, + deepClone: deepClone, + getObjectDiff: getObjectDiff, + cmp, + asap: asap$1, + minKey: minKey, + addons: [], + connections: connections, + errnames: errnames, + dependencies: domDeps, + semVer: DEXIE_VERSION, + version: DEXIE_VERSION.split('.') + .map(n => parseInt(n)) + .reduce((p, c, i) => p + (c / Math.pow(10, i * 2))), +}); +Dexie.maxKey = getMaxKey(Dexie.dependencies.IDBKeyRange); + +if (typeof dispatchEvent !== 'undefined' && typeof addEventListener !== 'undefined') { + globalEvents(DEXIE_STORAGE_MUTATED_EVENT_NAME, updatedParts => { + if (!propagatingLocally) { + let event; + if (isIEOrEdge) { + event = document.createEvent('CustomEvent'); + event.initCustomEvent(STORAGE_MUTATED_DOM_EVENT_NAME, true, true, updatedParts); + } + else { + event = new CustomEvent(STORAGE_MUTATED_DOM_EVENT_NAME, { + detail: updatedParts + }); + } + propagatingLocally = true; + dispatchEvent(event); + propagatingLocally = false; + } + }); + addEventListener(STORAGE_MUTATED_DOM_EVENT_NAME, ({ detail }) => { + if (!propagatingLocally) { + propagateLocally(detail); + } + }); +} +function propagateLocally(updateParts) { + let wasMe = propagatingLocally; + try { + propagatingLocally = true; + globalEvents.storagemutated.fire(updateParts); + } + finally { + propagatingLocally = wasMe; + } +} +let propagatingLocally = false; + +if (typeof BroadcastChannel !== 'undefined') { + const bc = new BroadcastChannel(STORAGE_MUTATED_DOM_EVENT_NAME); + if (typeof bc.unref === 'function') { + bc.unref(); + } + globalEvents(DEXIE_STORAGE_MUTATED_EVENT_NAME, (changedParts) => { + if (!propagatingLocally) { + bc.postMessage(changedParts); + } + }); + bc.onmessage = (ev) => { + if (ev.data) + propagateLocally(ev.data); + }; +} +else if (typeof self !== 'undefined' && typeof navigator !== 'undefined') { + globalEvents(DEXIE_STORAGE_MUTATED_EVENT_NAME, (changedParts) => { + try { + if (!propagatingLocally) { + if (typeof localStorage !== 'undefined') { + localStorage.setItem(STORAGE_MUTATED_DOM_EVENT_NAME, JSON.stringify({ + trig: Math.random(), + changedParts, + })); + } + if (typeof self['clients'] === 'object') { + [...self['clients'].matchAll({ includeUncontrolled: true })].forEach((client) => client.postMessage({ + type: STORAGE_MUTATED_DOM_EVENT_NAME, + changedParts, + })); + } + } + } + catch (_a) { } + }); + if (typeof addEventListener !== 'undefined') { + addEventListener('storage', (ev) => { + if (ev.key === STORAGE_MUTATED_DOM_EVENT_NAME) { + const data = JSON.parse(ev.newValue); + if (data) + propagateLocally(data.changedParts); + } + }); + } + const swContainer = self.document && navigator.serviceWorker; + if (swContainer) { + swContainer.addEventListener('message', propagateMessageLocally); + } +} +function propagateMessageLocally({ data }) { + if (data && data.type === STORAGE_MUTATED_DOM_EVENT_NAME) { + propagateLocally(data.changedParts); + } +} + +DexiePromise.rejectionMapper = mapError; +setDebug(debug, dexieStackFrameFilter); + +class StreamFileDatabase extends Dexie$1 { + constructor() { + super("MyAppDatabase"); + this.version(1).stores({ + files: "id, file", + }); + } +} + +class FragmentStreamLoader extends Component { + get url() { + if (!this._url) { + throw new Error("url must be set before using the streaming service!"); + } + return this._url; + } + set url(value) { + this._url = value; + } + constructor(components) { + super(components); + this.enabled = true; + this.onFragmentsDeleted = new Event(); + this.onFragmentsLoaded = new Event(); + this.onDisposed = new Event(); + this.models = {}; + this.serializer = new StreamSerializer(); + this.maxRamTime = 5000; + this.useCache = true; + this._ramCache = new Map(); + this._fileCache = new StreamFileDatabase(); + this._url = null; + this._isDisposing = false; + // private _hardlySeenGeometries: THREE.InstancedMesh; + this._geometryInstances = {}; + this._loadedFragments = {}; + // FragID, [model, geometryID, hiddenItems] + this.fragIDData = new Map(); + this._baseMaterial = new THREE$1.MeshLambertMaterial(); + this._baseMaterialT = new THREE$1.MeshLambertMaterial({ + transparent: true, + opacity: 0.5, + }); + this.components.tools.add(FragmentStreamLoader.uuid, this); + // const hardlyGeometry = new THREE.BoxGeometry(); + // this._hardlySeenGeometries = new THREE.InstancedMesh(); + this.culler = new GeometryCullerRenderer(components); + this.setupCullerEvents(); + } + async dispose() { + this._isDisposing = true; + this.onFragmentsLoaded.reset(); + this.onFragmentsDeleted.reset(); + this._ramCache.clear(); + this.models = {}; + this._geometryInstances = {}; + // Disposed by fragment manager + this._loadedFragments = {}; + this.fragIDData.clear(); + this._baseMaterial.dispose(); + this._baseMaterialT.dispose(); + await this.culler.dispose(); + this.culler = new GeometryCullerRenderer(this.components); + this.setupCullerEvents(); + await this.onDisposed.trigger(FragmentStreamLoader.uuid); + this.onDisposed.reset(); + this._isDisposing = false; + } + async load(settings, coordinate = true, properties) { + const { assets, geometries, globalDataFileId } = settings; + const groupUrl = this.url + globalDataFileId; + const groupData = await fetch(groupUrl); + const groupArrayBuffer = await groupData.arrayBuffer(); + const groupBuffer = new Uint8Array(groupArrayBuffer); + const fragments = this.components.tools.get(FragmentManager); + const group = await fragments.load(groupBuffer, coordinate); + const { opaque, transparent } = group.geometryIDs; + for (const [geometryID, key] of opaque) { + const fragID = group.keyFragments.get(key); + if (fragID === undefined) { + throw new Error("Malformed fragments group!"); + } + this.fragIDData.set(fragID, [group, geometryID, new Set()]); + } + for (const [geometryID, key] of transparent) { + const fragID = group.keyFragments.get(key); + if (fragID === undefined) { + throw new Error("Malformed fragments group!"); + } + this.fragIDData.set(fragID, [group, Math.abs(geometryID), new Set()]); + } + this.culler.add(group.uuid, assets, geometries); + this.models[group.uuid] = { assets, geometries }; + const instances = new Map(); + for (const asset of assets) { + const id = asset.id; + for (const { transformation, geometryID, color } of asset.geometries) { + if (!instances.has(geometryID)) { + instances.set(geometryID, []); + } + const current = instances.get(geometryID); + if (!current) { + throw new Error("Malformed instances"); + } + current.push({ id, transformation, color }); + } + } + this._geometryInstances[group.uuid] = instances; + if (properties) { + const ids = new Map(); + const types = new Map(); + for (const id in properties.ids) { + const value = properties.ids[id]; + const idNum = parseInt(id, 10); + ids.set(idNum, value); + } + for (const type in properties.types) { + const value = properties.types[type]; + const idNum = parseInt(type, 10); + types.set(idNum, value); + } + // TODO: Make this better when backend is ready + const propertiesFileID = globalDataFileId.replace("-global", "-properties"); + group.streamSettings = { + baseUrl: this.url, + baseFileName: propertiesFileID, + ids, + types, + }; + const { indexesFile } = properties; + const fetched = await fetch(this.url + indexesFile); + const data = await fetched.arrayBuffer(); + const file = new File([new Blob([data])], indexesFile); + const fileURL = URL.createObjectURL(file); + const result = await unzip(fileURL); + const first = Object.keys(result.entries)[0]; + const indices = await result.entries[first].json(); + const processor = this.components.tools.get(IfcPropertiesProcessor); + const indexMap = processor.get(); + indexMap[group.uuid] = {}; + for (const index of indices) { + const id = index.shift(); + indexMap[group.uuid][id] = new Set(index); + } + } + this.culler.needsUpdate = true; + } + remove(modelID) { + this._isDisposing = true; + const fragments = this.components.tools.get(FragmentManager); + const group = fragments.groups.find((group) => group.uuid === modelID); + if (group === undefined) { + console.log("Group to delete not found."); + return; + } + delete this.models[modelID]; + delete this._geometryInstances[modelID]; + delete this._loadedFragments[modelID]; + const ids = group.keyFragments.values(); + for (const id of ids) { + this.fragIDData.delete(id); + } + this.culler.remove(modelID); + this._isDisposing = false; + } + setVisibility(visible, filter) { + const modelGeomsAssets = new Map(); + for (const fragID in filter) { + const found = this.fragIDData.get(fragID); + if (found === undefined) { + throw new Error("Geometry not found!"); + } + const [group, geometryID, hiddenItems] = found; + const modelID = group.uuid; + if (!modelGeomsAssets.has(modelID)) { + modelGeomsAssets.set(modelID, new Map()); + } + const geometriesAsset = modelGeomsAssets.get(modelID); + const assets = filter[fragID]; + // Store the visible filter so that it's applied if this fragment + // is loaded later + for (const itemID of assets) { + if (visible) { + hiddenItems.delete(itemID); + } + else { + hiddenItems.add(itemID); + } + } + if (!geometriesAsset.get(geometryID)) { + geometriesAsset.set(geometryID, new Set()); + } + const assetGroup = geometriesAsset.get(geometryID); + for (const asset of assets) { + assetGroup.add(asset); + } + } + for (const [modelID, geometriesAssets] of modelGeomsAssets) { + // Set visibility of stream culler + this.culler.setVisibility(visible, modelID, geometriesAssets); + // set visibility of loaded fragments + for (const [geometryID] of geometriesAssets) { + const allFrags = this._loadedFragments[modelID]; + if (!allFrags) + continue; const frags = allFrags[geometryID]; if (!frags) continue; @@ -109483,6 +114707,9 @@ class FragmentStreamLoader extends Component { } this.culler.needsUpdate = true; } + async clearCache() { + await this._fileCache.delete(); + } get() { } update() { } // getMesh(): THREE.Mesh { @@ -109510,31 +114737,61 @@ class FragmentStreamLoader extends Component { // Might happen when disposing return; } - const ids = new Set(seen[modelID]); const { geometries } = this.models[modelID]; - const files = new Set(); - for (const id of ids) { - const geometry = geometries[id]; - if (!geometry) { - throw new Error("Geometry not found"); - } - if (geometry.geometryFile) { - const file = geometry.geometryFile; - files.add(file); + const files = new Map(); + const allIDs = new Set(); + for (const [priority, ids] of seen[modelID]) { + for (const id of ids) { + allIDs.add(id); + const geometry = geometries[id]; + if (!geometry) { + throw new Error("Geometry not found"); + } + if (geometry.geometryFile) { + const file = geometry.geometryFile; + const value = files.get(file) || 0; + files.set(file, value + priority); + } } } - for (const file of files) { + const sortedFiles = Array.from(files).sort((a, b) => b[1] - a[1]); + for (const [file] of sortedFiles) { const url = this.url + file; - const fetched = await fetch(url); - const buffer = await fetched.arrayBuffer(); - const bytes = new Uint8Array(buffer); - const result = this.serializer.import(bytes); + // If this file is still in the ram, get it + if (!this._ramCache.has(url)) { + let bytes = new Uint8Array(); + // If this file is in the local cache, get it + if (this.useCache) { + const found = await this._fileCache.files.get(url); + if (found) { + bytes = found.file; + } + else { + const fetched = await fetch(url); + const buffer = await fetched.arrayBuffer(); + bytes = new Uint8Array(buffer); + await this._fileCache.files.add({ file: bytes, id: url }); + } + } + else { + const fetched = await fetch(url); + const buffer = await fetched.arrayBuffer(); + bytes = new Uint8Array(buffer); + } + const data = this.serializer.import(bytes); + this._ramCache.set(url, { data, time: performance.now() }); + } + const result = this._ramCache.get(url); + if (!result) { + continue; + } + result.time = performance.now(); const loaded = []; if (result) { - for (const [geometryID, { position, index, normal }] of result) { + for (const [geometryID, { position, index, normal }] of result.data) { if (this._isDisposing) return; - if (!ids.has(geometryID)) + if (!allIDs.has(geometryID)) continue; if (!this._geometryInstances[modelID] || !this._geometryInstances[modelID].has(geometryID)) { @@ -109548,11 +114805,8 @@ class FragmentStreamLoader extends Component { const geom = new THREE$1.BufferGeometry(); const posAttr = new THREE$1.BufferAttribute(position, 3); const norAttr = new THREE$1.BufferAttribute(normal, 3); - const blockBuffer = new Uint8Array(position.length / 3); - const blockID = new THREE$1.BufferAttribute(blockBuffer, 1); geom.setAttribute("position", posAttr); geom.setAttribute("normal", norAttr); - geom.setAttribute("blockID", blockID); geom.setIndex(Array.from(index)); // Separating opaque and transparent items is neccesary for Three.js const transp = []; @@ -109573,6 +114827,17 @@ class FragmentStreamLoader extends Component { await this.onFragmentsLoaded.trigger(loaded); } } + const expiredIDs = new Set(); + const now = performance.now(); + for (const [id, { time }] of this._ramCache) { + if (now - time > this.maxRamTime) { + expiredIDs.add(id); + } + } + for (const id of expiredIDs) { + this._ramCache.delete(id); + } + // this._storageCache.close(); } } async unloadLostGeometries(unseen) { diff --git a/resources/styles.css b/resources/styles.css index 6ed938a2c..e8d8e7739 100644 --- a/resources/styles.css +++ b/resources/styles.css @@ -392,6 +392,10 @@ textarea { display: inline-flex; } +.obc-viewer :is(.table){ + display: table; +} + .obc-viewer :is(.grid){ display: grid; } diff --git a/src/fragments/FragmentIfcStreamer/index.html b/src/fragments/FragmentIfcStreamer/index.html index ff3336a69..5f2256a39 100644 --- a/src/fragments/FragmentIfcStreamer/index.html +++ b/src/fragments/FragmentIfcStreamer/index.html @@ -74,86 +74,219 @@ customEffects.excludedMeshes.push(grid.get()); /*MD - ### 🔥🚀 Let's go BIG + ### 💪 Let's go BIG ___ - Some BIM models are really heavy, so displaying them using normal methods is not possible. - Luckily for you, we have created a system that can load gigabytes of IFC even in modest - devices: BIM Tiles! 🧩 + Do you need to open huge big IFC files fast, even on more modest devices? + If so, you are in luck! We can open virtually any model on any device in + seconds thanks to BIM TILES! - :::info Are you using a library/framework like React, Angular or vue? + :::info BIM tiles? - Then probably you have other mechanisms for getting a reference to the - HTML div element. However you do it, as long as you get a reference - in your code, you are good to go! + The idea behind BIM tiles is pretty simple! Instead of loading the whole BIM + model at once, we just load the explicit geometries that are seen by the user. + It's way faster than opening the IFC directly, but for this you'll need + a backend (or to rely on the file system of the user if you are building a + desktop or mobile app). ::: + Let's see how to do this step by step! + + ### 🧩 Converting the IFC model to tiles + ___ + + The first step is to transform the IFC model into BIM tiles. The reason why we + have to do this is pretty simple: geometry in IFC is implicit (e.g. a wall is + defined as an extrusion). This means that it needs to be computed and converted + to explicit geometry (triangles) so that it can be displayed in 3D. Let's start + converting the IFC geometry: */ - // GEOMETRY STREAMING - OK + const streamer = new OBC.FragmentIfcStreamConverter(components); + streamer.settings.wasm = { + path: "https://unpkg.com/web-ifc@0.0.51/", + absolute: true + } - // const streamer = new OBC.FragmentIfcStreamConverter(components); - // streamer.settings.wasm = { - // path: "https://unpkg.com/web-ifc@0.0.51/", - // absolute: true - // } - // - // loader.culler.threshold = 10; - // - // const fetchedIfc = await fetch("../../../resources/small.ifc"); - // const ifcBuffer = await fetchedIfc.arrayBuffer(); - // - // streamer.onGeometryStreamed.add((geometry) => { - // console.log(geometry); - // }); - // - // streamer.onAssetStreamed.add((assets) => { - // console.log(assets); - // }); - // - // streamer.onIfcLoaded.add(async (groupBuffer) => { - // console.log(groupBuffer); - // }) - // - // streamer.onProgress.add((progress) => { - // console.log(progress); - // }) - // - // streamer.streamFromBuffer(new Uint8Array(ifcBuffer)); + /*MD + The `FragmentIfcStreamConverter` class takes IFC files and transform them into + tiles. You can use events to get the data. The `onGeometryStreamed` event will + give you the geometries bundled in a binary file, as well as an object with + information about the geometries contained within this file. + */ - // PROPERTIES STREAMING - OK + streamer.onGeometryStreamed.add((geometry) => { + console.log(geometry); + }); - // const fetchedIfc = await fetch("../../../resources/small.ifc"); - // const ifcBuffer = await fetchedIfc.arrayBuffer(); - // - // const propsStreamer = new OBC.FragmentPropsStreamConverter(components); - // - // propsStreamer.settings.wasm = { - // path: "https://unpkg.com/web-ifc@0.0.51/", - // absolute: true - // } - // - // propsStreamer.streamFromBuffer(new Uint8Array(ifcBuffer)); + /*MD + You can control the amount of geometries inside a file using the settings. The + way the streaming works can't guarantee a precise number of geometries within a file, + but in most cases it will be quite close to the given number. + */ - // propsStreamer.onPropertiesStreamed.add(async (props) => { - // console.log(props); - // }) + streamer.settings.minGeometrySize = 20; - // propsStreamer.onProgress.add(async (progress) => { - // console.log(progress); - // }) - // - // propsStreamer.onIndicesStreamed.add(async (props) => { - // console.log(props); - // }) + /*MD + Similarly, you can get the assets data and control the number of assets per chunk like this: + */ + + streamer.onAssetStreamed.add((assets) => { + console.log(assets); + }); + + streamer.settings.minAssetsSize = 1000; + + /*MD + Just like when using the normal `FragmentIfcLoader`, when you stream an IFC file you are + creating a `FragmentsGroup`. Using this event, you can get it: + */ + + + streamer.onIfcLoaded.add(async (groupBuffer) => { + console.log(groupBuffer); + }) + + /*MD + Finally, you can use this to get notified as the streaming process progresses: + */ + + streamer.onProgress.add((progress) => { + console.log(progress); + }) + + /*MD + With everything in place, it's time to stream the IFC file and get all the tiles! + */ - // STREAM MODEL LOADING - OK + const fetchedIfc = await fetch("../../../resources/small.ifc"); + const ifcBuffer = await fetchedIfc.arrayBuffer(); + streamer.streamFromBuffer(new Uint8Array(ifcBuffer)); + + /*MD + ### 📋 Streaming the properties + ___ + You can also stream the properties of an IFC file. Why? Because some files can have + millions of properties, and trying to save them naively in a normal DB is not very + scalable/affordable. Using this system, you'll be able to store and retrieve the + data of models of any size without big cloud costs. We can do this conversion + using the `FragmentPropsStreamConverter`: + + */ + + + const propsStreamer = new OBC.FragmentPropsStreamConverter(components); + + propsStreamer.settings.wasm = { + path: "https://unpkg.com/web-ifc@0.0.51/", + absolute: true + } + + /*MD + Similarly to geometries, here you will also get data and progress notification + using events. In addition to properties, you will get `indices`, which is an + indexation data of the properties to be able to use them effectively when + streamed. + */ + + + propsStreamer.onPropertiesStreamed.add(async (props) => { + console.log(props); + }) + + propsStreamer.onProgress.add(async (progress) => { + console.log(progress); + }) + + propsStreamer.onIndicesStreamed.add(async (props) => { + console.log(props); + }) + + /*MD + Just call the `streamFromBuffer` method and you are ready to go! + */ + + propsStreamer.streamFromBuffer(new Uint8Array(ifcBuffer)); + + /*MD + ### 🧱 Assembling the data + ___ + Now you are ready to start streaming your data. The first step is to create 2 JSON + files so that the library can access your backend: one for the geometries and other for + the properties. You have examples of both JSONs [here](https://github.com/ThatOpen/engine_components/blob/main/resources/small.ifc-processed.json) + and [here](https://github.com/ThatOpen/engine_components/blob/main/resources/small.ifc-processed-properties.json). + The JSON file for the geometries should look like this, and you should + be able to create them with the data given in the previous steps. The `globalDataIDFile` + is expected to have a name that ends with `-global`. + + ```ts + interface StreamedGeometries { + assets: { + id: number; + geometries: { + color: number[]; + geometryID: number; + transformation: number[]; + }[]; + }[]; + + geometries: { + [id: number]: { + boundingBox: {[id: number]: number}; + hasHoles: boolean; + geometryFile: "url-to-geometry-file-in-your-backend"; + }; + }; + + globalDataFileId: "url-to-fragments-group-file-in-your-backend"; + } + ``` + + The JSON for geometries should look like this. The values in `types` and in `ids` + are the suffix of the name of the properties file in your backend. In other words, + the library expects that if your globalDataFile is called `small.ifc-global`, the + properties files will be called `small.ifc-properties-1`, `small.ifc-properties-2`, + etc. In other words: `types: {1837: [1, 2], ...}, ids: {8: 1, ...}` means that + all the items of type `1837` are in the files `small.ifc-properties-1` and + `small.ifc-properties-2`, and that the properties of the item with id 8 is in the + file `small.ifc-properties-1`. + + + ```ts + interface StreamedProperties { + types: { + [typeID: number]: number[] + }; + + ids: { + [id: number]: { + boundingBox: {[id: number]: number}; + hasHoles: boolean; + geometryFile: "url-to-geometry-file-in-your-backend"; + }; + }; + + indexesFile: "url-to-indexes-file-in-your-backend"; + } + ``` + + Once you get both files, you are ready to start streaming! + + ### 🧱 Streaming the data + ___ + + Now, streaming the data is quite easy once you have the JSON files. + You can just instantiate the loader, give it the base URL to your + backend and just load the models like this: + + */ let loader = new OBC.FragmentStreamLoader(components); - loader.url = "THE_URL_TO_YOUR_BACKEND"; + loader.url = "http://YOUR_BACKEND_URL"; let fragments = new OBC.FragmentManager(components); + async function loadModel(geometryURL, propertiesURL) { const rawGeometryData = await fetch(geometryURL); const geometryData = await rawGeometryData.json(); @@ -167,16 +300,48 @@ await loadModel( "../../../resources/small.ifc-processed.json", - // "../../../resources/small.ifc-processed-properties.json" + "../../../resources/small.ifc-processed-properties.json" ); - // loader.culler.maxHiddenTime = 3000; - // loader.culler.maxLostTime = 10000; + /*MD + Now, streaming works by updating the scene depending on the user's perspective + and getting the necessary geometries from the backend. A simple way to achieve + this is by updating the scene each time the user stops the camera: + */ components.camera.controls.addEventListener("controlend", () => { loader.culler.needsUpdate = true; }); + /*MD + As you can imagine, downloading the geometries from the server each time can + take time, especially for heavier geometries. This is why the stream loader + automatically caches the files locally to get them much faster. This means that + the loading experience the first time might be a bit slower, but then later + it will be much better. You can control this using the `useCache` property + and clear the cache using the `clearCache()` method: + */ + + loader.useCache = true; + await loader.clearCache(); + + /*MD + You can also customize the loader through the `culler` property: + - Threshold determines how bit an object must be in the screen to stream it. + - maxHiddenTime determines how long an object must be lost to remove it from the scene. + - maxLostTime determines how long an object must be lost to remove it from memory. + */ + + loader.culler.threshold = 20; + loader.culler.maxHiddenTime = 1000; + loader.culler.maxLostTime = 40000; + + /*MD + This is it! Now you should be able to stream your own IFC models and open them anywhere, + no matter how big they are! 💪 We will keep improving and making this API more powerful + to handle any model on any device smoothly. + */ + // DISPOSING ALL - OK // async function dispose() { diff --git a/src/fragments/FragmentIfcStreamer/src/fragment-stream-loader.ts b/src/fragments/FragmentIfcStreamer/src/fragment-stream-loader.ts index 206b86036..e53f61c6f 100644 --- a/src/fragments/FragmentIfcStreamer/src/fragment-stream-loader.ts +++ b/src/fragments/FragmentIfcStreamer/src/fragment-stream-loader.ts @@ -8,6 +8,7 @@ import { Components, ToolComponent } from "../../../core"; import { GeometryCullerRenderer } from "./geometry-culler-renderer"; import { FragmentManager } from "../../FragmentManager"; import { IfcPropertiesProcessor } from "../../../ifc"; +import { StreamFileDatabase } from "./streamer-db"; interface StreamedInstance { id: number; @@ -47,6 +48,17 @@ export class FragmentStreamLoader extends Component implements Disposable { serializer = new FRAG.StreamSerializer(); + maxRamTime = 5000; + + useCache = true; + + private _ramCache = new Map< + string, + { data: FRAG.StreamedGeometries; time: number } + >(); + + private _fileCache = new StreamFileDatabase(); + private _url: string | null = null; private _isDisposing = false; @@ -102,6 +114,8 @@ export class FragmentStreamLoader extends Component implements Disposable { this.onFragmentsLoaded.reset(); this.onFragmentsDeleted.reset(); + this._ramCache.clear(); + this.models = {}; this._geometryInstances = {}; // Disposed by fragment manager @@ -297,6 +311,10 @@ export class FragmentStreamLoader extends Component implements Disposable { this.culler.needsUpdate = true; } + async clearCache() { + await this._fileCache.delete(); + } + get() {} update() {} @@ -316,7 +334,9 @@ export class FragmentStreamLoader extends Component implements Disposable { // return this.culler.boxes.getSphere(); // } - private async loadFoundGeometries(seen: { [modelID: string]: Set }) { + private async loadFoundGeometries(seen: { + [modelID: string]: Map>; + }) { for (const modelID in seen) { if (this._isDisposing) return; @@ -328,36 +348,73 @@ export class FragmentStreamLoader extends Component implements Disposable { return; } - const ids = new Set(seen[modelID]); const { geometries } = this.models[modelID]; - const files = new Set(); + const files = new Map(); - for (const id of ids) { - const geometry = geometries[id]; - if (!geometry) { - throw new Error("Geometry not found"); - } - if (geometry.geometryFile) { - const file = geometry.geometryFile; - files.add(file); + const allIDs = new Set(); + + for (const [priority, ids] of seen[modelID]) { + for (const id of ids) { + allIDs.add(id); + const geometry = geometries[id]; + if (!geometry) { + throw new Error("Geometry not found"); + } + if (geometry.geometryFile) { + const file = geometry.geometryFile; + const value = files.get(file) || 0; + files.set(file, value + priority); + } } } - for (const file of files) { + const sortedFiles = Array.from(files).sort((a, b) => b[1] - a[1]); + + for (const [file] of sortedFiles) { const url = this.url + file; - const fetched = await fetch(url); - const buffer = await fetched.arrayBuffer(); - const bytes = new Uint8Array(buffer); - const result = this.serializer.import(bytes); + + // If this file is still in the ram, get it + + if (!this._ramCache.has(url)) { + let bytes = new Uint8Array(); + + // If this file is in the local cache, get it + if (this.useCache) { + const found = await this._fileCache.files.get(url); + + if (found) { + bytes = found.file; + } else { + const fetched = await fetch(url); + const buffer = await fetched.arrayBuffer(); + bytes = new Uint8Array(buffer); + await this._fileCache.files.add({ file: bytes, id: url }); + } + } else { + const fetched = await fetch(url); + const buffer = await fetched.arrayBuffer(); + bytes = new Uint8Array(buffer); + } + + const data = this.serializer.import(bytes); + this._ramCache.set(url, { data, time: performance.now() }); + } + + const result = this._ramCache.get(url); + if (!result) { + continue; + } + + result.time = performance.now(); const loaded: FRAG.Fragment[] = []; if (result) { - for (const [geometryID, { position, index, normal }] of result) { + for (const [geometryID, { position, index, normal }] of result.data) { if (this._isDisposing) return; - if (!ids.has(geometryID)) continue; + if (!allIDs.has(geometryID)) continue; if ( !this._geometryInstances[modelID] || @@ -377,12 +434,9 @@ export class FragmentStreamLoader extends Component implements Disposable { const posAttr = new THREE.BufferAttribute(position, 3); const norAttr = new THREE.BufferAttribute(normal, 3); - const blockBuffer = new Uint8Array(position.length / 3); - const blockID = new THREE.BufferAttribute(blockBuffer, 1); geom.setAttribute("position", posAttr); geom.setAttribute("normal", norAttr); - geom.setAttribute("blockID", blockID); geom.setIndex(Array.from(index)); @@ -407,6 +461,20 @@ export class FragmentStreamLoader extends Component implements Disposable { await this.onFragmentsLoaded.trigger(loaded); } } + + const expiredIDs = new Set(); + const now = performance.now(); + for (const [id, { time }] of this._ramCache) { + if (now - time > this.maxRamTime) { + expiredIDs.add(id); + } + } + + for (const id of expiredIDs) { + this._ramCache.delete(id); + } + + // this._storageCache.close(); } } diff --git a/src/fragments/FragmentIfcStreamer/src/geometry-culler-renderer.ts b/src/fragments/FragmentIfcStreamer/src/geometry-culler-renderer.ts index 5bc79f1e3..bbdc3909e 100644 --- a/src/fragments/FragmentIfcStreamer/src/geometry-culler-renderer.ts +++ b/src/fragments/FragmentIfcStreamer/src/geometry-culler-renderer.ts @@ -25,11 +25,17 @@ export class GeometryCullerRenderer extends CullerRenderer { /* Pixels in screen a geometry must occupy to be considered "seen". */ threshold = 50; + bboxThreshold = 200; + maxLostTime = 30000; maxHiddenTime = 5000; boxes = new Map(); + useLowLod = false; + + lowLod = new Map(); + private _geometry: THREE.BufferGeometry; private _material = new THREE.MeshBasicMaterial({ @@ -38,8 +44,10 @@ export class GeometryCullerRenderer extends CullerRenderer { opacity: 1, }); + private _lodMaterial = new THREE.MeshLambertMaterial(); + readonly onViewUpdated = new Event<{ - toLoad: { [modelID: string]: Set }; + toLoad: { [modelID: string]: Map> }; toRemove: { [modelID: string]: Set }; toHide: { [modelID: string]: Set }; toShow: { [modelID: string]: Set }; @@ -51,6 +59,7 @@ export class GeometryCullerRenderer extends CullerRenderer { private _geometries = new Map(); private _geometriesGroups = new Map(); + private _foundGeometries = new Set(); private codes = new Map>(); @@ -78,6 +87,12 @@ export class GeometryCullerRenderer extends CullerRenderer { await super.dispose(); this.onViewUpdated.reset(); + this._lodMaterial.dispose(); + for (const [_id, fragment] of this.lowLod) { + fragment.dispose(true); + } + this.lowLod.clear(); + for (const [_id, group] of this._geometriesGroups) { group.removeFromParent(); const children = [...group.children]; @@ -126,16 +141,27 @@ export class GeometryCullerRenderer extends CullerRenderer { this.boxes.set(modelIndex, bboxes); this.scene.add(bboxes.mesh); + if (this.useLowLod) { + const lowLod = new FRAGS.Fragment(this._geometry, this._lodMaterial, 10); + this.lowLod.set(modelIndex, lowLod); + } + const fragmentsGroup = new THREE.Group(); this.scene.add(fragmentsGroup); this._geometriesGroups.set(modelIndex, fragmentsGroup); - const items = new Map(); + const items = new Map< + number, + FRAGS.Item & { geometryColors: THREE.Color[] } + >(); for (const asset of assets) { // if (asset.id !== 664833) continue; for (const geometryData of asset.geometries) { - const { geometryID, transformation } = geometryData; + const { geometryID, transformation, color } = geometryData; + + const geometryColor = new THREE.Color(); + geometryColor.setRGB(color[0], color[1], color[2], "srgb"); const instanceID = this.getInstanceID(asset.id, geometryID); @@ -184,12 +210,14 @@ export class GeometryCullerRenderer extends CullerRenderer { throw new Error("Malformed item!"); } item.colors.push(threeColor); + item.geometryColors.push(geometryColor); item.transforms.push(instanceMatrix); } else { // This geometry exists only once in this asset (for now) items.set(instanceID, { id: instanceID, colors: [threeColor], + geometryColors: [geometryColor], transforms: [instanceMatrix], }); } @@ -214,6 +242,14 @@ export class GeometryCullerRenderer extends CullerRenderer { const itemsArray = Array.from(items.values()); bboxes.add(itemsArray); + if (this.useLowLod) { + for (const item of itemsArray) { + item.colors = item.geometryColors; + } + const lowLod = this.lowLod.get(modelIndex) as FRAGS.Fragment; + lowLod.add(itemsArray); + } + THREE.ColorManagement.enabled = colorEnabled; // const { geometry, material, count, instanceMatrix, instanceColor } = [ @@ -243,6 +279,10 @@ export class GeometryCullerRenderer extends CullerRenderer { box.dispose(false); this.boxes.delete(index); + const frag = this.lowLod.get(index) as FRAGS.Fragment; + frag.dispose(false); + this.lowLod.delete(index); + const codes = this.codes.get(index) as Map; this.codes.delete(index); for (const [_id, code] of codes) { @@ -399,7 +439,8 @@ export class GeometryCullerRenderer extends CullerRenderer { private handleWorkerMessage = async (event: MessageEvent) => { const colors = event.data.colors as Map; - const toLoad: { [modelID: string]: Set } = {}; + const toLoad: { [modelID: string]: Map> } = {}; + const toRemove: { [modelID: string]: Set } = {}; const toHide: { [modelID: string]: Set } = {}; const toShow: { [modelID: string]: Set } = {}; @@ -407,19 +448,43 @@ export class GeometryCullerRenderer extends CullerRenderer { const now = performance.now(); let viewWasUpdated = false; - for (const [code, geometry] of this._geometries) { - const pixels = colors.get(code); + const lodsToShow = new Set(); + const lodsToHide = new Set(); - const isFound = pixels !== undefined && pixels > this.threshold; - const { exists } = geometry; + let bboxAmount = 0; + for (const [color, number] of colors) { + if (number < this.threshold) { + continue; + } + const found = this._geometries.get(color); + if (!found) { + continue; + } + const isBoundingBox = found.fragment === undefined; + if (isBoundingBox) { + bboxAmount += number; + } + } - const modelID = this._indexModelID.get(geometry.modelIndex) as string; + const lostGeometries = new Set(this._foundGeometries); + + for (const [color, number] of colors) { + const geometry = this._geometries.get(color); + if (!geometry) { + continue; + } + const isFound = number > this.threshold; + const { exists } = geometry; if (!isFound && !exists) { // Geometry doesn't exist and is not visible continue; } + const modelID = this._indexModelID.get(geometry.modelIndex) as string; + + lostGeometries.delete(color); + if (isFound && exists) { // Geometry was visible, and still is geometry.time = now; @@ -427,32 +492,55 @@ export class GeometryCullerRenderer extends CullerRenderer { toShow[modelID] = new Set(); } toShow[modelID].add(geometry.geometryID); + this._foundGeometries.add(color); viewWasUpdated = true; + if (this.useLowLod) { + lodsToHide.add(geometry); + } } else if (isFound && !exists) { // New geometry found if (!toLoad[modelID]) { - toLoad[modelID] = new Set(); + toLoad[modelID] = new Map(); } geometry.time = now; geometry.exists = true; - toLoad[modelID].add(geometry.geometryID); + + if (!toLoad[modelID].has(number)) { + toLoad[modelID].set(number, new Set()); + } + const set = toLoad[modelID].get(number) as Set; + set.add(geometry.geometryID); + this._foundGeometries.add(color); viewWasUpdated = true; + + if (this.useLowLod) { + lodsToHide.add(geometry); + } } else if (!isFound && exists) { - // Geometry was lost - const lostTime = now - geometry.time; - if (lostTime > this.maxLostTime) { - // This geometry was lost too long - delete it - if (!toRemove[modelID]) { - toRemove[modelID] = new Set(); - } - geometry.exists = false; - toRemove[modelID].add(geometry.geometryID); - } else if (lostTime > this.maxHiddenTime) { - // This geometry was lost for a while - hide it - if (!toHide[modelID]) { - toHide[modelID] = new Set(); + // Geometry is hardly seen, so it can be considered lost + if (bboxAmount < this.bboxThreshold) { + // When too many bounding boxes on sight + // don't hide / destroy geometry to prevent flickering + this.handleLostGeometries(now, color, geometry, toRemove, toHide); + if (this.useLowLod) { + lodsToShow.add(geometry); } - toHide[modelID].add(geometry.geometryID); + viewWasUpdated = true; + } + } + } + + if (bboxAmount <= this.bboxThreshold) { + // When too many bounding boxes on sight + // don't hide / destroy geometry to prevent flickering + for (const color of lostGeometries) { + const geometry = this._geometries.get(color); + if (!geometry) { + throw new Error("Geometry not found!"); + } + this.handleLostGeometries(now, color, geometry, toRemove, toHide); + if (this.useLowLod) { + lodsToShow.add(geometry); } viewWasUpdated = true; } @@ -461,8 +549,57 @@ export class GeometryCullerRenderer extends CullerRenderer { if (viewWasUpdated) { await this.onViewUpdated.trigger({ toLoad, toRemove, toHide, toShow }); } + + if (this.useLowLod) { + for (const geometry of lodsToShow) { + this.setLodVisibility(true, geometry); + } + for (const geometry of lodsToHide) { + this.setLodVisibility(false, geometry); + } + } + + if (bboxAmount > this.bboxThreshold) { + this.needsUpdate = true; + } }; + private handleLostGeometries( + now: number, + color: string, + geometry: CullerBoundingBox, + toRemove: { + [p: string]: Set; + }, + toHide: { [p: string]: Set } + ) { + const modelID = this._indexModelID.get(geometry.modelIndex) as string; + const lostTime = now - geometry.time; + if (lostTime > this.maxLostTime) { + // This geometry was lost too long - delete it + if (!toRemove[modelID]) { + toRemove[modelID] = new Set(); + } + geometry.exists = false; + toRemove[modelID].add(geometry.geometryID); + this._foundGeometries.delete(color); + } else if (lostTime > this.maxHiddenTime) { + // This geometry was lost for a while - hide it + if (!toHide[modelID]) { + toHide[modelID] = new Set(); + } + toHide[modelID].add(geometry.geometryID); + } + } + + private setLodVisibility(visible: boolean, geometry: CullerBoundingBox) { + const lod = this.lowLod.get(geometry.modelIndex) as FRAGS.Fragment; + for (const assetID of geometry.assetIDs) { + const instanceID = this.getInstanceID(assetID, geometry.geometryID); + lod.setVisibility(visible, [instanceID]); + } + } + private createModelIndex(modelID: string) { if (this._modelIDIndex.has(modelID)) { throw new Error("Can't load the same model twice!"); diff --git a/src/fragments/FragmentIfcStreamer/src/streamer-db.ts b/src/fragments/FragmentIfcStreamer/src/streamer-db.ts new file mode 100644 index 000000000..62e9d89aa --- /dev/null +++ b/src/fragments/FragmentIfcStreamer/src/streamer-db.ts @@ -0,0 +1,19 @@ +import Dexie from "dexie"; + +interface IStreamedFile { + id: string; + file: Uint8Array; +} + +export class StreamFileDatabase extends Dexie { + // Declare implicit table properties. + // (just to inform Typescript. Instantiated by Dexie in stores() method) + files!: Dexie.Table; // number = type of the primkey + + constructor() { + super("MyAppDatabase"); + this.version(1).stores({ + files: "id, file", + }); + } +} diff --git a/src/fragments/FragmentIfcStreamer/src/streaming-settings.ts b/src/fragments/FragmentIfcStreamer/src/streaming-settings.ts index 500d1e29f..8442873d3 100644 --- a/src/fragments/FragmentIfcStreamer/src/streaming-settings.ts +++ b/src/fragments/FragmentIfcStreamer/src/streaming-settings.ts @@ -1,3 +1,4 @@ +// eslint-disable-next-line max-classes-per-file import { IfcFragmentSettings } from "../../FragmentIfcLoader/src"; /** Configuration of the IFC-fragment streaming. */ diff --git a/src/navigation/EdgesClipper/index.html b/src/navigation/EdgesClipper/index.html index 164379eca..a3edfad44 100644 --- a/src/navigation/EdgesClipper/index.html +++ b/src/navigation/EdgesClipper/index.html @@ -120,6 +120,8 @@ scene.add(cube2); components.meshes.add(cube2); + + /*MD :::info Storing Components