36 lines
1.7 KiB
TypeScript
36 lines
1.7 KiB
TypeScript
define("values/symbol", () => {
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const symbols: Record<string, symbol> = { };
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var Symbol = env.global.Symbol = function(this: any, val?: string) {
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if (this !== undefined && this !== null) throw new env.global.TypeError("Symbol may not be called with 'new'.");
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if (typeof val !== 'string' && val !== undefined) throw new env.global.TypeError('val must be a string or undefined.');
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return internals.symbol(val);
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} as SymbolConstructor;
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env.setProto('symbol', Symbol.prototype);
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setConstr(Symbol.prototype, Symbol);
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setProps(Symbol, {
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for(key) {
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if (typeof key !== 'string' && key !== undefined) throw new env.global.TypeError('key must be a string or undefined.');
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if (key in symbols) return symbols[key];
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else return symbols[key] = internals.symbol(key);
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},
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keyFor(sym) {
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if (typeof sym !== 'symbol') throw new env.global.TypeError('sym must be a symbol.');
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return internals.symbolToString(sym);
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},
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typeName: env.symbol("Symbol.typeName") as any,
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replace: env.symbol('Symbol.replace') as any,
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match: env.symbol('Symbol.match') as any,
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matchAll: env.symbol('Symbol.matchAll') as any,
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split: env.symbol('Symbol.split') as any,
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search: env.symbol('Symbol.search') as any,
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iterator: env.symbol('Symbol.iterator') as any,
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asyncIterator: env.symbol('Symbol.asyncIterator') as any,
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});
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internals.defineField(env.global.Object.prototype, Symbol.typeName, 'Object', false, false, false);
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internals.defineField(env.global, Symbol.typeName, 'Window', false, false, false);
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}); |