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// SPDX-License-Identifier: MIT | ||
// Copyright © 2021 fvtt-lib-wrapper Rui Pinheiro | ||
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'use strict'; | ||
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// A shim for the libWrapper library | ||
export let libWrapper = undefined; | ||
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export const VERSIONS = [1,12,1]; | ||
export const TGT_SPLIT_RE = new RegExp("([^.[]+|\\[('([^'\\\\]|\\\\.)+?'|\"([^\"\\\\]|\\\\.)+?\")\\])", 'g'); | ||
export const TGT_CLEANUP_RE = new RegExp("(^\\['|'\\]$|^\\[\"|\"\\]$)", 'g'); | ||
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// Main shim code | ||
Hooks.once('init', () => { | ||
// Check if the real module is already loaded - if so, use it | ||
if(globalThis.libWrapper && !(globalThis.libWrapper.is_fallback ?? true)) { | ||
libWrapper = globalThis.libWrapper; | ||
return; | ||
} | ||
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// Fallback implementation | ||
libWrapper = class { | ||
static get is_fallback() { return true }; | ||
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static get WRAPPER() { return 'WRAPPER' }; | ||
static get MIXED() { return 'MIXED' }; | ||
static get OVERRIDE() { return 'OVERRIDE' }; | ||
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static register(package_id, target, fn, type="MIXED", {chain=undefined, bind=[]}={}) { | ||
const is_setter = target.endsWith('#set'); | ||
target = !is_setter ? target : target.slice(0, -4); | ||
const split = target.match(TGT_SPLIT_RE).map((x)=>x.replace(/\\(.)/g, '$1').replace(TGT_CLEANUP_RE,'')); | ||
const root_nm = split.splice(0,1)[0]; | ||
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let obj, fn_name; | ||
if(split.length == 0) { | ||
obj = globalThis; | ||
fn_name = root_nm; | ||
} | ||
else { | ||
const _eval = eval; | ||
fn_name = split.pop(); | ||
obj = split.reduce((x,y)=>x[y], globalThis[root_nm] ?? _eval(root_nm)); | ||
} | ||
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let iObj = obj; | ||
let descriptor = null; | ||
while(iObj) { | ||
descriptor = Object.getOwnPropertyDescriptor(iObj, fn_name); | ||
if(descriptor) break; | ||
iObj = Object.getPrototypeOf(iObj); | ||
} | ||
if(!descriptor || descriptor?.configurable === false) throw new Error(`libWrapper Shim: '${target}' does not exist, could not be found, or has a non-configurable descriptor.`); | ||
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let original = null; | ||
const wrapper = (chain ?? (type.toUpperCase?.() != 'OVERRIDE' && type != 3)) ? | ||
function(...args) { return fn.call(this, original.bind(this), ...bind, ...args); } : | ||
function(...args) { return fn.call(this, ...bind, ...args); } | ||
; | ||
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if(!is_setter) { | ||
if(descriptor.value) { | ||
original = descriptor.value; | ||
descriptor.value = wrapper; | ||
} | ||
else { | ||
original = descriptor.get; | ||
descriptor.get = wrapper; | ||
} | ||
} | ||
else { | ||
if(!descriptor.set) throw new Error(`libWrapper Shim: '${target}' does not have a setter`); | ||
original = descriptor.set; | ||
descriptor.set = wrapper; | ||
} | ||
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descriptor.configurable = true; | ||
Object.defineProperty(obj, fn_name, descriptor); | ||
} | ||
} | ||
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//************** USER CUSTOMIZABLE: | ||
// Set up the ready hook that shows the "libWrapper not installed" warning dialog. Remove if undesired. | ||
{ | ||
//************** USER CUSTOMIZABLE: | ||
// Package ID & Package Title - by default attempts to auto-detect, but you might want to hardcode your package ID and title here to avoid potential auto-detect issues | ||
const [PACKAGE_ID, PACKAGE_TITLE] = (()=>{ | ||
const match = (import.meta?.url ?? Error().stack)?.match(/\/(worlds|systems|modules)\/(.+)(?=\/)/i); | ||
if(match?.length !== 3) return [null,null]; | ||
const dirs = match[2].split('/'); | ||
if(match[1] === 'worlds') return dirs.find(n => n && game.world.id === n) ? [game.world.id, game.world.title] : [null,null]; | ||
if(match[1] === 'systems') return dirs.find(n => n && game.system.id === n) ? [game.system.id, game.system.data.title] : [null,null]; | ||
const id = dirs.find(n => n && game.modules.has(n)); | ||
return [id, game.modules.get(id)?.data?.title]; | ||
})(); | ||
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if(!PACKAGE_ID || !PACKAGE_TITLE) { | ||
console.error("libWrapper Shim: Could not auto-detect package ID and/or title. The libWrapper fallback warning dialog will be disabled."); | ||
return; | ||
} | ||
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Hooks.once('ready', () => { | ||
//************** USER CUSTOMIZABLE: | ||
// Title and message for the dialog shown when the real libWrapper is not installed. | ||
const FALLBACK_MESSAGE_TITLE = PACKAGE_TITLE; | ||
const FALLBACK_MESSAGE = ` | ||
<p><b>'${PACKAGE_TITLE}' depends on the 'libWrapper' module, which is not present.</b></p> | ||
<p>A fallback implementation will be used, which increases the chance of compatibility issues with other modules.</p> | ||
<small><p>'libWrapper' is a library which provides package developers with a simple way to modify core Foundry VTT code, while reducing the likelihood of conflict with other packages.</p> | ||
<p>You can install it from the "Add-on Modules" tab in the <a href="javascript:game.shutDown()">Foundry VTT Setup</a>, from the <a href="https://foundryvtt.com/packages/lib-wrapper">Foundry VTT package repository</a>, or from <a href="https://github.com/ruipin/fvtt-lib-wrapper/">libWrapper's Github page</a>.</p></small> | ||
`; | ||
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// Settings key used for the "Don't remind me again" setting | ||
const DONT_REMIND_AGAIN_KEY = "libwrapper-dont-remind-again"; | ||
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// Dialog code | ||
console.warn(`${PACKAGE_TITLE}: libWrapper not present, using fallback implementation.`); | ||
game.settings.register(PACKAGE_ID, DONT_REMIND_AGAIN_KEY, { name: '', default: false, type: Boolean, scope: 'world', config: false }); | ||
if(game.user.isGM && !game.settings.get(PACKAGE_ID, DONT_REMIND_AGAIN_KEY)) { | ||
new Dialog({ | ||
title: FALLBACK_MESSAGE_TITLE, | ||
content: FALLBACK_MESSAGE, buttons: { | ||
ok: { icon: '<i class="fas fa-check"></i>', label: 'Understood' }, | ||
dont_remind: { icon: '<i class="fas fa-times"></i>', label: "Don't remind me again", callback: () => game.settings.set(PACKAGE_ID, DONT_REMIND_AGAIN_KEY, true) } | ||
} | ||
}).render(true); | ||
} | ||
}); | ||
} | ||
}); |