mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-21 05:50:55 +08:00
Chris Tate
a07998f667
* Expand static three.js workflows and host integration * Preserve JavaScript class state in static three.js workflows * Preserve inferred JavaScript behavior across static workflows * Preserve inferred callables and native compatibility boundaries * Retain annotated JavaScript factory exports and bootstrap-safe call spreads * Preserve Buffer and child callback identities in static packages * Clarify JavaScript symbol spread support
26 lines
1.2 KiB
JavaScript
26 lines
1.2 KiB
JavaScript
class Base {
|
|
constructor(value = 1) { this.x = value; }
|
|
copy(value = 1) { return value; }
|
|
clone(value) { return new this.constructor(value); }
|
|
}
|
|
class Child extends Base {
|
|
/** @returns {string} */
|
|
// @ts-expect-error JavaScript permits a different return type at runtime.
|
|
copy(value) { console.log('child'); return String(value); }
|
|
}
|
|
const child = new Child(3);
|
|
console.log(child.copy(2), typeof child.copy(4), new Base().copy());
|
|
Object.defineProperty(child, 'data', { get() { return this.x; }, configurable: true, enumerable: true });
|
|
Object.defineProperties(child, { doubled: { get() { return this.x * 2; }, configurable: true } });
|
|
console.log(child.data, child.doubled, Object.keys(child).join(','));
|
|
child.x = 5;
|
|
console.log(child.data, child.doubled, Object.getOwnPropertyDescriptor(child, 'data').enumerable);
|
|
function replace(value, constructor) { value.constructor = constructor; }
|
|
function argument() { console.log('argument'); return 7; }
|
|
replace(child, Base);
|
|
const first = child.clone(argument());
|
|
console.log(first.x, first instanceof Base, first instanceof Child);
|
|
replace(child, Child);
|
|
const second = child.clone(argument());
|
|
console.log(second.x, second instanceof Base, second instanceof Child);
|