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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| /* This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this file, | ||
| * You can obtain one at http://mozilla.org/MPL/2.0/. */ | ||
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| /* global performance */ | ||
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| let nodeTimer | ||
| if (typeof performance === 'undefined') { | ||
| nodeTimer = { | ||
| now: function () { | ||
| const NS_PER_SEC = 1e9 | ||
| const NS_PER_MS = 1e6 | ||
| const time = process.hrtime() | ||
| const seconds = time[0] | ||
| const nanoseconds = time[1] + (seconds * NS_PER_SEC) | ||
| return nanoseconds / NS_PER_MS | ||
| } | ||
| } | ||
| } | ||
| const timer = nodeTimer || performance | ||
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| const filterArgs = function (args) { | ||
| const filteredArgs = [] | ||
| for (let i = 0; i < args.length; i++) { | ||
| if (typeof args === 'object') { | ||
| filteredArgs[i] = '[Filtered]' | ||
| } else { | ||
| filteredArgs[i] = args[i] | ||
| } | ||
| } | ||
| return filteredArgs | ||
| } | ||
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| exports.trace = (obj, ...args) => { | ||
| let filter = filterArgs | ||
| let metadata = {} | ||
| for (let i = 0; i < args.length; i++) { | ||
| if (typeof args[i] === 'function') { | ||
| filter = args[i] | ||
| } else if (typeof args[i] === 'object') { | ||
| metadata = args[i] | ||
| } else { | ||
| console.warn('invalid argument for trace: ' + args[i]) | ||
| } | ||
| } | ||
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| let handler = { | ||
| get (target, propKey, receiver) { | ||
| const propValue = target[propKey] | ||
| if (typeof propValue !== 'function') { | ||
| return propValue | ||
| } | ||
| return function (...fnArgs) { | ||
| metadata.name = propKey | ||
| muon.crashReporter.setCrashKeyValue('javascript-info', JSON.stringify(metadata)) | ||
| let result, end, exception | ||
| const start = timer.now() | ||
| try { | ||
| result = propValue.apply(this, fnArgs) | ||
| end = timer.now() | ||
| metadata.durationMS = Math.ceil(end - start) | ||
| } catch (e) { | ||
| metadata.args = filter(fnArgs) | ||
| metadata.stack = e.stack != null ? e.stack : e.name + ': ' + e.message | ||
| exception = e | ||
| } | ||
| muon.crashReporter.setCrashKeyValue('javascript-info', JSON.stringify(metadata)) | ||
| if (exception) { | ||
| muon.crashReporter.dumpWithoutCrashing() | ||
| throw exception | ||
| } | ||
| return result | ||
| } | ||
| } | ||
| } | ||
| return new Proxy(obj, handler) | ||
| } |
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@bbondy be careful, version was changed but we are on 0.19 brach