Huáng Jùnliàng a387973821
Refactor private name tokenizing (#13256)
* add benchmark

* refactor: create tt.privateName token for private names

* add backward compat privateName = hash + name to Babel 7

* perf: get private name SV from token value

* chore: tweak benchmark file

* chore: update test fixtures

* convert tt.privateName to PrivateIdentifier

* perf: avoid most isPrivateName call

* Update packages/babel-parser/src/parser/expression.js

Co-authored-by: Justin Ridgewell <justin@ridgewell.name>

* perf: use inlinable codePointAtPos

* make prettier happy

Co-authored-by: Justin Ridgewell <justin@ridgewell.name>
2021-05-06 09:46:09 -04:00

20 lines
583 B
JavaScript

import Benchmark from "benchmark";
import baseline from "@babel-baseline/parser";
import current from "../../lib/index.js";
import { report } from "../util.mjs";
const suite = new Benchmark.Suite();
function benchCases(name, implementation, options) {
for (const length of [256, 512, 1024, 2048]) {
suite.add(`${name} ${length} empty statement`, () => {
implementation.parse(";".repeat(length), options);
});
}
}
benchCases("baseline", baseline);
benchCases("current + attachComment: false", current, { attachComment: false });
suite.on("cycle", report).run();