22 lines
609 B
TypeScript
22 lines
609 B
TypeScript
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interface Boolean {
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valueOf(): boolean;
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constructor: BooleanConstructor;
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}
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interface BooleanConstructor {
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(val: any): boolean;
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new (val: any): Boolean;
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prototype: Boolean;
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}
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declare var Boolean: BooleanConstructor;
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gt.Boolean = function (this: Boolean | undefined, arg) {
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var val;
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if (arguments.length === 0) val = false;
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else val = !!arg;
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if (this === undefined || this === null) return val;
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else (this as any).value = val;
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} as BooleanConstructor;
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Boolean.prototype = (false as any).__proto__ as Boolean;
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setConstr(Boolean.prototype, Boolean);
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