mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-02 08:35:07 +08:00
Chris Tate
f8906d0b75
* Support primitive and function property descriptors * Dispatch literal bracket calls to native class methods * Handle numeric class method keys in bracket calls * Call function values returned by class accessors * Expand native object and array semantics * Keep new corpus fixtures aligned with compiler gates * Lower Object.isFrozen arguments once
28 lines
1.2 KiB
JavaScript
28 lines
1.2 KiB
JavaScript
const sealed = JSON.parse('[1,2]');
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Object.seal(sealed);
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console.log(Object.isExtensible(sealed), Object.isSealed(sealed), Object.isFrozen(sealed));
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console.log(Object.getOwnPropertyDescriptor(sealed, '0').configurable);
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console.log(Object.getOwnPropertyDescriptor(sealed, '0').writable);
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sealed[0] = 4;
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console.log(sealed[0]);
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for (const operation of [() => sealed.pop(), () => sealed.shift(), () => sealed.push(3)]) {
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try { operation(); } catch (error) { console.log(error.name); }
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}
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console.log(sealed.join(','));
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const frozen = JSON.parse('[3,5]');
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Object.freeze(frozen);
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console.log(Object.isSealed(frozen), Object.isFrozen(frozen));
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console.log(Object.getOwnPropertyDescriptor(frozen, '0').writable);
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console.log(Object.getOwnPropertyDescriptor(frozen, 'length').writable);
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for (const operation of [() => { frozen[0] = 9; }, () => frozen.reverse(), () => frozen.sort()]) {
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try { operation(); } catch (error) { console.log(error.name); }
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}
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console.log(frozen.join(','));
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const empty = JSON.parse('[]');
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Object.preventExtensions(empty);
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console.log(Object.isSealed(empty), Object.isFrozen(empty));
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try { empty.push(1); } catch (error) { console.log(error.name); }
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console.log(empty.length);
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