mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-25 06:24:27 +08:00
Chris Tate
0423093a99
- Buffer compare/equals/constructor ladders, URLSearchParams WHATWG brand checks and arity ladders, URL.revokeObjectURL arity, and the max-listeners family answer Node's exact typed errors - ToPrimitive string-hint coercion runs user toString/valueOf with throw propagation; assert.throws accepts expected-object variables - Reusable always-throwing libCall shapes (error.nodeThrow, error.argTypeThrow) seed the remaining validation-ladder work - Two emittedReadable lifecycle bugs fixed; ERR_* codes stamped across the bytes/crypto/fs range ladders # Conflicts: # packages/compiler/test/ts7/baselines/order-parity.json
58 lines
2.1 KiB
JavaScript
58 lines
2.1 KiB
JavaScript
// URLSearchParams' WHATWG argument ladders, Node-exact: method values
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// through Function.prototype.call with a non-URLSearchParams receiver
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// throw ERR_INVALID_THIS before any conversion; too few arguments throw
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// ERR_MISSING_ARGS; name/value slots convert with ToPrimitive's string
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// hint (a user toString runs and its throw propagates; symbols can never
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// convert); units and numbers render through ToString like any JS value.
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'use strict';
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const show = (fn) => {
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try {
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console.log('ret', JSON.stringify(fn()));
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} catch (e) {
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console.log(`${e.name}|${e.code}|${e.message}`);
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}
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};
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const params = new URLSearchParams('a=1&b=2');
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// ERR_INVALID_THIS: the brand check runs first.
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show(() => params.get.call(undefined));
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show(() => params.getAll.call(null));
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show(() => params.has.call(42));
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show(() => params.append.call('x'));
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show(() => params.delete.call(undefined));
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show(() => params.set.call(undefined));
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show(() => params.forEach.call(undefined));
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show(() => params.toString.call(undefined));
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// ERR_MISSING_ARGS: the arity ladder.
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show(() => params.get());
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show(() => params.getAll());
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show(() => params.has());
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show(() => params.delete());
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show(() => params.append('a'));
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show(() => params.set('a'));
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// The string-hint conversions: user toString (throwing and answering),
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// valueOf fallback never runs for the string hint when toString exists,
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// symbols throw, units and numbers render.
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const thrower = { toString() { throw new Error('toString'); }, valueOf() { throw new Error('valueOf'); } };
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show(() => params.get(thrower));
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show(() => params.set(thrower, 'b'));
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show(() => params.set('a', thrower));
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const answering = { toString() { return 'a'; } };
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show(() => params.get(answering));
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const sym = Symbol();
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show(() => params.get(sym));
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show(() => params.set(sym, 'b'));
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show(() => params.set('a', sym));
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show(() => params.get(null));
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show(() => params.get(123));
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show(() => params.get(undefined));
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// The stringifier's re-serialization after sort (its percent-encoding
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// rules differ from URL's own).
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const myUrl = new URL('https://example.org?foo=~bar');
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console.log(myUrl.search);
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myUrl.searchParams.sort();
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console.log(myUrl.search);
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