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Revert "LibJS: Reduce number of proxy traps called during for..in…

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…iteration"

This reverts commit 357eeba49c.
This commit is contained in:
Tim Ledbetter 2025-03-21 14:51:13 +00:00 • committed by Andreas Kling
commit ed62aa6224
Notes: github-actions[bot] 2025-03-21 16:45:28 +00:00
2 changed files with 49 additions and 90 deletions
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40
Libraries/LibJS/Tests/builtins/Proxy/for-in-iteration-traps.js
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@ -1,40 +0,0 @@
test("for..in iteration Proxy traps", () => {
let traps = [];
let array = [1, 2, 3];
let from = new Proxy(array, {
getPrototypeOf: function (t) {
traps.push("getPrototypeOf");
return Reflect.getPrototypeOf(t);
},
ownKeys: function (t) {
traps.push("ownKeys");
return Reflect.ownKeys(t);
},
has: function (t, p) {
traps.push("has");
return Reflect.has(t, p);
},
getOwnPropertyDescriptor: function (t, p) {
traps.push("getOwnPropertyDescriptor");
return Reflect.getOwnPropertyDescriptor(t, p);
},
});
const to = [];
for (const prop in from) {
to.push(prop);
from.pop();
}
expect(to).toEqual(["0", "1"]);
expect(traps).toEqual([
"ownKeys",
"getPrototypeOf",
"getOwnPropertyDescriptor",
"getOwnPropertyDescriptor",
"getOwnPropertyDescriptor",
"getOwnPropertyDescriptor",
"getOwnPropertyDescriptor",
"getOwnPropertyDescriptor",
]);
});