Files
j2s/src/lib/libs/polyfills/createClass.js
TopchetoEU 74f08b7483
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small stdlib improvements
2024-12-28 13:17:45 +02:00

35 lines
831 B
JavaScript

import { object } from "../primordials.ts";
function _defineProperties(target, arr) {
if (!arr) return;
for (var i = 0; i < arr.length; i++) {
var desc = arr[i];
var res;
var w, e, c;
c = desc.configurable;
if (c == null) c = true;
e = desc.enumerable;
if (e == null) e = false;
if ("value" in desc) {
w = desc.writable;
if (w == null) w = true;
if (desc.writable == null)
res = object.defineField(target, desc.key, { w: !!w, e: !!e, c: !!c, v: desc.value });
}
else {
res = object.defineProperty(target, desc.key, { e: !!e, c: !!c, g: desc.get, s: desc.set });
}
if (!res) throw "Couldn't set property";
}
}
export default function _createClass(clazz, instance, nonInstance) {
_defineProperties(clazz.prototype, instance);
_defineProperties(clazz, nonInstance);
return clazz;
}