50 lines
1.3 KiB
JavaScript
50 lines
1.3 KiB
JavaScript
// Tab completion sometimes uses a separate REPL instance under the hood.
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// That REPL instance has its own domain. Make sure domain errors trickle back
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// up to the main REPL.
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//
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// Ref: https://github.com/nodejs/node/issues/21586
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'use strict';
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const { Stream } = require('stream');
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function noop() {}
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// A stream to push an array into a REPL
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function ArrayStream() {
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this.run = function(data) {
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data.forEach((line) => {
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this.emit('data', `${line}\n`);
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});
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};
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}
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Object.setPrototypeOf(ArrayStream.prototype, Stream.prototype);
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Object.setPrototypeOf(ArrayStream, Stream);
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ArrayStream.prototype.readable = true;
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ArrayStream.prototype.writable = true;
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ArrayStream.prototype.pause = noop;
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ArrayStream.prototype.resume = noop;
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ArrayStream.prototype.write = noop;
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const repl = require('repl');
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const putIn = new ArrayStream();
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const testMe = repl.start('', putIn);
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// Some errors are passed to the domain, but do not callback.
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testMe._domain.on('error', function(err) {
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throw err;
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});
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// Nesting of structures causes REPL to use a nested REPL for completion.
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putIn.run([
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'var top = function() {',
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'r = function test (',
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' one, two) {',
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'var inner = {',
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' one:1',
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'};'
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]);
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// In Node.js 10.11.0, this next line will terminate the repl silently...
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testMe.complete('inner.o', () => { throw new Error('fhqwhgads'); }); |