swc/ecmascript/minifier/scripts/jsprops.js
강동윤 c6b22c57f8
feat(es/minifier): Implement minifier partially (#1302)
Co-authored-by: Fábio Santos <fabiosantosart@gmail.com>
2021-05-20 13:51:30 +09:00

48 lines
1.5 KiB
JavaScript

// Run this script to build jsprops.json
const fs = require('fs')
// Compatibility fix for some standard defined globals not defined on every js environment
var new_globals = ["Symbol", "Map", "Promise", "Proxy", "Reflect", "Set", "WeakMap", "WeakSet"];
var objects = {};
var global_ref = typeof global === "object" ? global : self;
new_globals.forEach(function (new_global) {
objects[new_global] = global_ref[new_global] || new Function();
});
const addedProps = new Set();
const add = propName => addedProps.add(propName);
[
"null",
"true",
"false",
"NaN",
"Infinity",
"-Infinity",
"undefined",
].forEach(add);
[ Object, Array, Function, Number,
String, Boolean, Error, Math,
Date, RegExp, objects.Symbol, ArrayBuffer,
DataView, decodeURI, decodeURIComponent,
encodeURI, encodeURIComponent, eval, EvalError,
Float32Array, Float64Array, Int8Array, Int16Array,
Int32Array, isFinite, isNaN, JSON, objects.Map, parseFloat,
parseInt, objects.Promise, objects.Proxy, RangeError, ReferenceError,
objects.Reflect, objects.Set, SyntaxError, TypeError, Uint8Array,
Uint8ClampedArray, Uint16Array, Uint32Array, URIError,
objects.WeakMap, objects.WeakSet
].forEach((ctor) => {
Object.getOwnPropertyNames(ctor).map(add);
if (ctor.prototype) {
Object.getOwnPropertyNames(ctor.prototype).map(add);
}
});
const propsJSON = JSON.stringify([...addedProps].sort(), null, 4)
fs.writeFileSync(__dirname + '/../src/lists/jsprops.json', propsJSON)