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37 lines
801 B
37 lines
801 B
'use strict'; |
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const { Session } = require('inspector'); |
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const { promisify } = require('util'); |
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class CoverageInstrumenter { |
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constructor() { |
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this.session = new Session(); |
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this.postSession = promisify(this.session.post.bind(this.session)); |
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} |
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async startInstrumenting() { |
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this.session.connect(); |
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await this.postSession('Profiler.enable'); |
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await this.postSession('Profiler.startPreciseCoverage', { |
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callCount: true, |
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detailed: true, |
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}); |
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} |
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async stopInstrumenting() { |
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const {result} = await this.postSession( |
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'Profiler.takePreciseCoverage', |
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); |
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await this.postSession('Profiler.stopPreciseCoverage'); |
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await this.postSession('Profiler.disable'); |
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return result; |
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} |
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} |
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module.exports.CoverageInstrumenter = CoverageInstrumenter;
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