| FazBrowse GitHub Viewer | Trending | | Home |
| Tools: [Download Repo ZIP] [Original HTTPS Page] |
1 parent 5513338 commit 170fda5
1 file changed
| Original file line number | Diff line number | Diff line change | |
|---|---|---|---|
@@ -0,0 +1,52 @@ | |||
| 1 | + 'use strict'; | ||
| 2 | + const common = require('../common.js'); | ||
| 3 | + const assert = require('assert'); | ||
| 4 | + | ||
| 5 | + const bench = common.createBenchmark(main, { | ||
| 6 | + n: [1e6], | ||
| 7 | + stackLimit: [100], | ||
| 8 | + stackCount: [99, 101], | ||
| 9 | + method: ['isInsideNodeModules', 'noop'], | ||
| 10 | + }, { | ||
| 11 | + flags: ['--expose-internals', '--disable-warning=internal/test/binding'], | ||
| 12 | + }); | ||
| 13 | + | ||
| 14 | + function main({ n, stackLimit, stackCount, method }) { | ||
| 15 | + const { internalBinding } = require('internal/test/binding'); | ||
| 16 | + const { isInsideNodeModules } = internalBinding('util'); | ||
| 17 | + | ||
| 18 | + const testFunction = method === 'noop' ? | ||
| 19 | + () => { | ||
| 20 | + bench.start(); | ||
| 21 | + for (let i = 0; i < n; i++) { | ||
| 22 | + noop(); | ||
| 23 | + } | ||
| 24 | + bench.end(n); | ||
| 25 | + } : | ||
| 26 | + () => { | ||
| 27 | + Error.stackTraceLimit = Infinity; | ||
| 28 | + const existingStackFrameCount = new Error().stack.split('\n').length - 1; | ||
| 29 | + assert.strictEqual(existingStackFrameCount, stackCount); | ||
| 30 | + | ||
| 31 | + bench.start(); | ||
| 32 | + for (let i = 0; i < n; i++) { | ||
| 33 | + isInsideNodeModules(stackLimit, true); | ||
| 34 | + } | ||
| 35 | + bench.end(n); | ||
| 36 | + }; | ||
| 37 | + | ||
| 38 | + // Excluding the message line. | ||
| 39 | + const existingStackFrameCount = new Error().stack.split('\n').length - 1; | ||
| 40 | + // Excluding the test function itself. | ||
| 41 | + nestCallStack(stackCount - existingStackFrameCount - 1, testFunction); | ||
| 42 | + } | ||
| 43 | + | ||
| 44 | + function nestCallStack(depth, callback) { | ||
| 45 | + // nestCallStack(1) already adds a stack frame, so we stop at 1. | ||
| 46 | + if (depth === 1) { | ||
| 47 | + return callback(); | ||
| 48 | + } | ||
| 49 | + return nestCallStack(depth - 1, callback); | ||
| 50 | + } | ||
| 51 | + | ||
| 52 | + function noop() {} | ||
| Back | FazBrowse Home | New Git URL |
0 commit comments