20 lines
350 B
JavaScript
20 lines
350 B
JavaScript
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'use strict';
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module.exports = function symbolObservablePonyfill(root) {
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var result;
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var Symbol = root.Symbol;
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if (typeof Symbol === 'function') {
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if (Symbol.observable) {
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result = Symbol.observable;
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} else {
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result = Symbol('observable');
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Symbol.observable = result;
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}
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} else {
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result = '@@observable';
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}
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return result;
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};
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