import { skip, spawnPromisified } from '../common/index.mjs'; import { match, strictEqual } from 'node:assert'; import { test } from 'node:test'; if (!process.config.variables.node_use_amaro) skip('Requires Amaro'); test('eval TypeScript ESM syntax', async () => { const result = await spawnPromisified(process.execPath, [ '--experimental-strip-types', '--eval', `import util from 'node:util' const text: string = 'Hello, TypeScript!' console.log(util.styleText('red', text));`]); match(result.stderr, /Type Stripping is an experimental feature and might change at any time/); match(result.stdout, /Hello, TypeScript!/); strictEqual(result.code, 0); }); test('eval TypeScript ESM syntax with input-type module', async () => { const result = await spawnPromisified(process.execPath, [ '--experimental-strip-types', '--input-type=module', '--eval', `import util from 'node:util' const text: string = 'Hello, TypeScript!' console.log(util.styleText('red', text));`]); match(result.stderr, /Type Stripping is an experimental feature and might change at any time/); match(result.stdout, /Hello, TypeScript!/); strictEqual(result.code, 0); }); test('eval TypeScript CommonJS syntax', async () => { const result = await spawnPromisified(process.execPath, [ '--experimental-strip-types', '--eval', `const util = require('node:util'); const text: string = 'Hello, TypeScript!' console.log(util.styleText('red', text));`, '--no-warnings']); match(result.stdout, /Hello, TypeScript!/); strictEqual(result.stderr, ''); strictEqual(result.code, 0); }); test('eval TypeScript CommonJS syntax with input-type commonjs', async () => { const result = await spawnPromisified(process.execPath, [ '--experimental-strip-types', '--input-type=commonjs', '--eval', `const util = require('node:util'); const text: string = 'Hello, TypeScript!' console.log(util.styleText('red', text));`, '--no-warnings']); match(result.stdout, /Hello, TypeScript!/); strictEqual(result.stderr, ''); strictEqual(result.code, 0); }); test('eval TypeScript CommonJS syntax by default', async () => { const result = await spawnPromisified(process.execPath, [ '--experimental-strip-types', '--eval', `const util = require('node:util'); const text: string = 'Hello, TypeScript!' console.log(util.styleText('red', text));`, '--no-warnings']); strictEqual(result.stderr, ''); match(result.stdout, /Hello, TypeScript!/); strictEqual(result.code, 0); }); test('TypeScript ESM syntax not specified', async () => { const result = await spawnPromisified(process.execPath, [ '--experimental-strip-types', '--eval', `import util from 'node:util' const text: string = 'Hello, TypeScript!' console.log(text);`]); match(result.stderr, /ExperimentalWarning: Type Stripping is an experimental/); match(result.stdout, /Hello, TypeScript!/); strictEqual(result.code, 0); }); test('expect fail eval TypeScript CommonJS syntax with input-type module', async () => { const result = await spawnPromisified(process.execPath, [ '--experimental-strip-types', '--input-type=module', '--eval', `const util = require('node:util'); const text: string = 'Hello, TypeScript!' console.log(util.styleText('red', text));`]); strictEqual(result.stdout, ''); match(result.stderr, /require is not defined in ES module scope, you can use import instead/); strictEqual(result.code, 1); }); test('expect fail eval TypeScript ESM syntax with input-type commonjs', async () => { const result = await spawnPromisified(process.execPath, [ '--experimental-strip-types', '--input-type=commonjs', '--eval', `import util from 'node:util' const text: string = 'Hello, TypeScript!' console.log(util.styleText('red', text));`]); strictEqual(result.stdout, ''); match(result.stderr, /Cannot use import statement outside a module/); strictEqual(result.code, 1); }); test('check syntax error is thrown when passing invalid syntax', async () => { const result = await spawnPromisified(process.execPath, [ '--experimental-strip-types', '--eval', 'enum Foo { A, B, C }']); strictEqual(result.stdout, ''); match(result.stderr, /ERR_INVALID_TYPESCRIPT_SYNTAX/); strictEqual(result.code, 1); });