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