'use strict'; const common = require('../common'); const assert = require('assert'); const cp = require('child_process'); const fixtures = require('../common/fixtures'); const args = ['--interactive']; const opts = { cwd: fixtures.path('es-modules') }; const child = cp.spawn(process.execPath, args, opts); let output = ''; child.stdout.setEncoding('utf8'); child.stdout.on('data', (data) => { output += data; }); child.on('exit', common.mustCall(() => { const results = output.replace(/^> /mg, '').split('\n').slice(2); assert.deepStrictEqual( results, ['[Module: null prototype] { message: \'A message\' }', ''] ); })); child.stdin.write('await import(\'./message.mjs\');\n'); child.stdin.write('.exit'); child.stdin.end();