mirror of https://github.com/nodejs/node.git
46 lines
1004 B
JavaScript
46 lines
1004 B
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const dc = require('diagnostics_channel');
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const trace = dc.tracingChannel('module.require');
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const events = [];
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let lastEvent;
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function track(name) {
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return (event) => {
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// Verify every event after the first is the same object
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if (events.length) {
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assert.strictEqual(event, lastEvent);
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}
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lastEvent = event;
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events.push({ name, ...event });
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};
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}
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trace.subscribe({
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start: common.mustCall(track('start')),
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end: common.mustCall(track('end')),
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asyncStart: common.mustNotCall(track('asyncStart')),
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asyncEnd: common.mustNotCall(track('asyncEnd')),
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error: common.mustNotCall(track('error')),
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});
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const result = require('http');
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// Verify order and contents of each event
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assert.deepStrictEqual(events, [
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{
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name: 'start',
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parentFilename: module.filename,
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id: 'http',
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},
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{
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name: 'end',
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parentFilename: module.filename,
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id: 'http',
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result,
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},
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]);
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