aswi2020vldc-gitlab/templetes/node_modules/symbol-observable/lib/ponyfill.js @ 143404cb
1 | 3a515b92 | cagy | 'use strict'; |
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2 | |||
3 | Object.defineProperty(exports, "__esModule", { |
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4 | value: true |
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5 | });
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6 | exports['default'] = symbolObservablePonyfill; |
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7 | function symbolObservablePonyfill(root) { |
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8 | var result; |
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9 | var _Symbol = root.Symbol; |
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10 | |||
11 | if (typeof _Symbol === 'function') { |
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12 | if (_Symbol.observable) { |
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13 | result = _Symbol.observable; |
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14 | } else { |
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15 | result = _Symbol('observable'); |
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16 | _Symbol.observable = result; |
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17 | }
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18 | } else { |
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19 | result = '@@observable'; |
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20 | }
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21 | |||
22 | return result; |
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23 | };
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