import { mustCall } from '../common/index.mjs'; import { path } from '../common/fixtures.mjs'; import { match, ok, notStrictEqual } from 'assert'; import { spawn } from 'child_process'; import { execPath } from 'process'; const child = spawn(execPath, [ '--experimental-loader', 'i-dont-exist', path('print-error-message.js'), ]); let stderr = ''; child.stderr.setEncoding('utf8'); child.stderr.on('data', (data) => { stderr += data; }); child.on('close', mustCall((code, _signal) => { notStrictEqual(code, 0); // Error [ERR_MODULE_NOT_FOUND]: Cannot find package 'i-dont-exist' // imported from match(stderr, /ERR_MODULE_NOT_FOUND/); match(stderr, /'i-dont-exist'/); ok(!stderr.includes('Bad command or file name')); }));