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490 BJavaScriptView Raw
1import setPrototypeOf from "./setPrototypeOf.js";
2export default function _inherits(subClass, superClass) {
3 if (typeof superClass !== "function" && superClass !== null) {
4 throw new TypeError("Super expression must either be null or a function");
5 }
6
7 subClass.prototype = Object.create(superClass && superClass.prototype, {
8 constructor: {
9 value: subClass,
10 writable: true,
11 configurable: true
12 }
13 });
14 if (superClass) setPrototypeOf(subClass, superClass);
15}
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