mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-23 06:10:02 +08:00
Chris Tate
0053372853
- Support stored builtin helpers, typed rest callbacks, and shared FileHandle values. - Preserve async results, specialized function bodies, and checked class receivers. - Compile live export dictionaries and keep native property names distinct.
29 lines
1.1 KiB
JavaScript
29 lines
1.1 KiB
JavaScript
const define = Object.defineProperty;
|
|
function publish(target, all) {
|
|
for (var name in all) define(target, name, { get: all[name], enumerable: true });
|
|
}
|
|
let live = "first";
|
|
const exports = {};
|
|
publish(exports, { value: () => live, size: () => 2 });
|
|
console.log(exports.value, exports.size);
|
|
live = "second";
|
|
console.log(exports.value, Object.keys(exports).join(","));
|
|
let visits = 0;
|
|
const source = JSON.parse('{"10":"ten","2":"two","first":"one","removed":"gone"}');
|
|
define(source, "lazy", { get: () => { visits++; return "lazy"; }, enumerable: true });
|
|
define(source, "hidden", { value: "hidden" });
|
|
function receiver() { console.log("receiver"); return source; }
|
|
for (const key in receiver()) {
|
|
console.log(key);
|
|
if (key === "first") { delete source.removed; source.added = "late"; }
|
|
}
|
|
console.log(visits, Object.keys(source).join(","));
|
|
/** @param {any} value */
|
|
function names(value = null) {
|
|
const keys = [];
|
|
for (const key in value) keys.push(key);
|
|
return keys.join(",");
|
|
}
|
|
console.log(names(null), names(undefined), names(4), names(true));
|
|
console.log(names("a😀b"), names(["x", "y"]));
|