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17 lines
333 B
17 lines
333 B
export default 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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