增加晶全app静态页面

node_modules/es6-symbol/polyfill.js

@@ -0,0 +1,86 @@
+// ES2015 Symbol polyfill for environments that do not (or partially) support it
+
+"use strict";
+
+var d                    = require("d")
+  , validateSymbol       = require("./validate-symbol")
+  , NativeSymbol         = require("ext/global-this").Symbol
+  , generateName         = require("./lib/private/generate-name")
+  , setupStandardSymbols = require("./lib/private/setup/standard-symbols")
+  , setupSymbolRegistry  = require("./lib/private/setup/symbol-registry");
+
+var create = Object.create
+  , defineProperties = Object.defineProperties
+  , defineProperty = Object.defineProperty;
+
+var SymbolPolyfill, HiddenSymbol, isNativeSafe;
+
+if (typeof NativeSymbol === "function") {
+	try {
+		String(NativeSymbol());
+		isNativeSafe = true;
+	} catch (ignore) {}
+} else {
+	NativeSymbol = null;
+}
+
+// Internal constructor (not one exposed) for creating Symbol instances.
+// This one is used to ensure that `someSymbol instanceof Symbol` always return false
+HiddenSymbol = function Symbol(description) {
+	if (this instanceof HiddenSymbol) throw new TypeError("Symbol is not a constructor");
+	return SymbolPolyfill(description);
+};
+
+// Exposed `Symbol` constructor
+// (returns instances of HiddenSymbol)
+module.exports = SymbolPolyfill = function Symbol(description) {
+	var symbol;
+	if (this instanceof Symbol) throw new TypeError("Symbol is not a constructor");
+	if (isNativeSafe) return NativeSymbol(description);
+	symbol = create(HiddenSymbol.prototype);
+	description = description === undefined ? "" : String(description);
+	return defineProperties(symbol, {
+		__description__: d("", description),
+		__name__: d("", generateName(description))
+	});
+};
+
+setupStandardSymbols(SymbolPolyfill);
+setupSymbolRegistry(SymbolPolyfill);
+
+// Internal tweaks for real symbol producer
+defineProperties(HiddenSymbol.prototype, {
+	constructor: d(SymbolPolyfill),
+	toString: d("", function () { return this.__name__; })
+});
+
+// Proper implementation of methods exposed on Symbol.prototype
+// They won't be accessible on produced symbol instances as they derive from HiddenSymbol.prototype
+defineProperties(SymbolPolyfill.prototype, {
+	toString: d(function () { return "Symbol (" + validateSymbol(this).__description__ + ")"; }),
+	valueOf: d(function () { return validateSymbol(this); })
+});
+defineProperty(
+	SymbolPolyfill.prototype, SymbolPolyfill.toPrimitive,
+	d("", function () {
+		var symbol = validateSymbol(this);
+		if (typeof symbol === "symbol") return symbol;
+		return symbol.toString();
+	})
+);
+defineProperty(SymbolPolyfill.prototype, SymbolPolyfill.toStringTag, d("c", "Symbol"));
+
+// Proper implementaton of toPrimitive and toStringTag for returned symbol instances
+defineProperty(
+	HiddenSymbol.prototype, SymbolPolyfill.toStringTag,
+	d("c", SymbolPolyfill.prototype[SymbolPolyfill.toStringTag])
+);
+
+// Note: It's important to define `toPrimitive` as last one, as some implementations
+// implement `toPrimitive` natively without implementing `toStringTag` (or other specified symbols)
+// And that may invoke error in definition flow:
+// See: https://github.com/medikoo/es6-symbol/issues/13#issuecomment-164146149
+defineProperty(
+	HiddenSymbol.prototype, SymbolPolyfill.toPrimitive,
+	d("c", SymbolPolyfill.prototype[SymbolPolyfill.toPrimitive])
+);