mirror of https://github.com/jkjoy/sunpeiwen.git
17 lines
564 B
JavaScript
17 lines
564 B
JavaScript
|
import setPrototypeOf from "./setPrototypeOf.js";
|
||
|
export default function _inherits(subClass, superClass) {
|
||
|
if (typeof superClass !== "function" && superClass !== null) {
|
||
|
throw new TypeError("Super expression must either be null or a function");
|
||
|
}
|
||
|
subClass.prototype = Object.create(superClass && superClass.prototype, {
|
||
|
constructor: {
|
||
|
value: subClass,
|
||
|
writable: true,
|
||
|
configurable: true
|
||
|
}
|
||
|
});
|
||
|
Object.defineProperty(subClass, "prototype", {
|
||
|
writable: false
|
||
|
});
|
||
|
if (superClass) setPrototypeOf(subClass, superClass);
|
||
|
}
|