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18 lines
565 B
18 lines
565 B
import setPrototypeOf from "./setPrototypeOf.js"; |
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export default function _inherits(subClass, superClass) { |
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if (typeof superClass !== "function" && superClass !== null) { |
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throw new TypeError("Super expression must either be null or a function"); |
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} |
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|
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subClass.prototype = Object.create(superClass && superClass.prototype, { |
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constructor: { |
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value: subClass, |
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writable: true, |
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configurable: true |
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} |
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}); |
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Object.defineProperty(subClass, "prototype", { |
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writable: false |
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}); |
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if (superClass) setPrototypeOf(subClass, superClass); |
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} |