b281fe352c
* chore: rename benchmark * perf: back parser scope names storage by set * chore: add benchmark
35 lines
1000 B
JavaScript
35 lines
1000 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();
|
|
// All codepoints in [0x4e00, 0x9ffc] are valid identifier name per Unicode 13
|
|
function createInput(length) {
|
|
if (length > 0x9ffc - 0x4e00) {
|
|
throw new Error(
|
|
`Length greater than ${
|
|
0x9ffc - 0x4e00
|
|
} is not supported! Consider modify the \`createInput\`.`
|
|
);
|
|
}
|
|
let source = "";
|
|
for (let i = 0; i < length; i++) {
|
|
source += "let " + String.fromCharCode(0x4e00 + i) + ";";
|
|
}
|
|
return source;
|
|
}
|
|
function benchCases(name, implementation, options) {
|
|
for (const length of [256, 512, 1024, 2048]) {
|
|
const input = createInput(length);
|
|
suite.add(`${name} ${length} length-1 let bindings`, () => {
|
|
implementation.parse(input, options);
|
|
});
|
|
}
|
|
}
|
|
|
|
benchCases("baseline", baseline);
|
|
benchCases("current", current);
|
|
|
|
suite.on("cycle", report).run();
|