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23 lines
638 B
JavaScript
23 lines
638 B
JavaScript
define(['./_Symbol'], function(_Symbol) {
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/** Used as a safe reference for `undefined` in pre-ES5 environments. */
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var undefined;
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/** Used to convert symbols to primitives and strings. */
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var symbolProto = _Symbol ? _Symbol.prototype : undefined,
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symbolValueOf = _Symbol ? symbolProto.valueOf : undefined;
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/**
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* Creates a clone of the `symbol` object.
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*
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* @private
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* @param {Object} symbol The symbol object to clone.
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* @returns {Object} Returns the cloned symbol object.
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*/
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function cloneSymbol(symbol) {
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return _Symbol ? Object(symbolValueOf.call(symbol)) : {};
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}
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return cloneSymbol;
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});
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