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source-map.js
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95 lines (84 loc) · 2.18 KB
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'use strict';
const common = require('../common.js');
const assert = require('assert');
const fixtures = require('../../test/common/fixtures');
const bench = common.createBenchmark(
main,
{
operation: [
'parse',
'parse-sectioned',
'findEntry',
'findEntry-sectioned',
'findOrigin',
'findOrigin-sectioned',
],
n: [1e5],
},
);
function main({ operation, n }) {
const { SourceMap } = require('node:module');
const samplePayload = JSON.parse(
fixtures.readSync('source-map/no-source.js.map', 'utf8'),
);
const sectionedPayload = JSON.parse(
fixtures.readSync('source-map/disk-index.map', 'utf8'),
);
let sourceMap;
let sourceMapMethod;
switch (operation) {
case 'parse':
bench.start();
for (let i = 0; i < n; i++) {
sourceMap = new SourceMap(samplePayload);
}
bench.end(n);
break;
case 'parse-sectioned':
bench.start();
for (let i = 0; i < n; i++) {
sourceMap = new SourceMap(sectionedPayload);
}
bench.end(n);
break;
case 'findEntry':
sourceMap = new SourceMap(samplePayload);
bench.start();
for (let i = 0; i < n; i++) {
sourceMapMethod = sourceMap.findEntry(i, i);
}
bench.end(n);
assert.ok(sourceMapMethod);
break;
case 'findEntry-sectioned':
sourceMap = new SourceMap(sectionedPayload);
bench.start();
for (let i = 0; i < n; i++) {
sourceMapMethod = sourceMap.findEntry(i, i);
}
bench.end(n);
assert.ok(sourceMapMethod);
break;
case 'findOrigin':
sourceMap = new SourceMap(samplePayload);
bench.start();
for (let i = 0; i < n; i++) {
sourceMapMethod = sourceMap.findOrigin(i, i);
}
bench.end(n);
assert.ok(sourceMapMethod);
break;
case 'findOrigin-sectioned':
sourceMap = new SourceMap(sectionedPayload);
bench.start();
for (let i = 0; i < n; i++) {
sourceMapMethod = sourceMap.findOrigin(i, i);
}
bench.end(n);
assert.ok(sourceMapMethod);
break;
default:
throw new Error(`Unknown operation: ${operation}`);
}
assert.ok(sourceMap);
}