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Add more globals, whereof most defined after es5.1

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Also do not pollute env with mocks replacing standard globals
This commit is contained in:
Anthony Van de Gejuchte
2016-07-16 18:56:53 +02:00
committed by Richard van Velzen
parent 72a9d799b6
commit 88384cf351
2 changed files with 25 additions and 6 deletions
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21
lib/propmangle.js
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@@ -45,15 +45,26 @@
function find_builtins() {
// Compatibility fix for es5.1 and earlier where Symbol isn't defined
if (!global.Symbol) {
global.Symbol = new Function();
}
// 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 = {};
new_globals.forEach(function (new_global) {
objects[new_global] = global[new_global] || new Function();
});
var a = [];
[ Object, Array, Function, Number,
String, Boolean, Error, Math,
Date, RegExp, Symbol
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(function(ctor){
Object.getOwnPropertyNames(ctor).map(add);
if (ctor.prototype) {

10
test/mocha/builtins.js
View File

@@ -4,7 +4,7 @@ var assert = require("assert");
describe("builtins", function() {
it ("Should not mangle builtins", function() {
var test = "function foo(something){\n" +
" return [Object,Array,Function,Number,String,Boolean,Error,Math,Date,RegExp,Symbol,something];\n" +
" return [Object,Array,Function,Number,String,Boolean,Error,Math,Date,RegExp,Symbol,Map,Promise,Proxy,Reflect,Set,WeakMap,WeakSet,Float32Array,something];\n" +
"};";
var result = UglifyJS.minify(test, {fromString: true, parse: {bare_returns: true}}).code;
@@ -22,5 +22,13 @@ describe("builtins", function() {
assert.notEqual(result.indexOf("Date"), -1);
assert.notEqual(result.indexOf("RegExp"), -1);
assert.notEqual(result.indexOf("Symbol"), -1);
assert.notEqual(result.indexOf("Promise"), -1);
assert.notEqual(result.indexOf("Proxy"), -1);
assert.notEqual(result.indexOf("Reflect"), -1);
assert.notEqual(result.indexOf("Set"), -1);
assert.notEqual(result.indexOf("WeakMap"), -1);
assert.notEqual(result.indexOf("WeakSet"), -1);
assert.notEqual(result.indexOf("Map"), -1);
assert.notEqual(result.indexOf("Float32Array"), -1);
});
});