mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-26 06:34:20 +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
27 lines
983 B
JavaScript
27 lines
983 B
JavaScript
// The emittedReadable flag's Node-exact lifecycle: a 'readable' listener
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// observes TRUE during the emit (emitReadable_ clears it only AFTER a
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// real emit), read() with a nonzero/absent size resets it (Node's
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// `if (n !== 0)` — the absent form is NaN there, which also clears), and
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// read(0) leaves it standing.
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'use strict';
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const { Readable } = require('stream');
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const r = new Readable({ read: () => {} });
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r.on('readable', () => {
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console.log('readable-fires', r._readableState.emittedReadable);
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const c = r.read();
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console.log('after-read', c === null ? 'null' : c.toString(), r._readableState.emittedReadable);
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});
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r.push('abc');
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r.push(null);
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r.on('end', () => console.log('end'));
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const noRead = new Readable({ read: () => {} });
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noRead.on('readable', () => {
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console.log('noRead-fires', noRead._readableState.emittedReadable);
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noRead.read(0);
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console.log('after-read0', noRead._readableState.emittedReadable);
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});
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noRead.push('foo');
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noRead.push(null);
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