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index.spec.ts
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index.spec.ts
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import { test, TestInterface } from './testlib';
import { expect } from 'chai';
import {
ChildProcess,
exec as childProcessExec,
ExecException,
ExecOptions,
} from 'child_process';
import { join, resolve, sep as pathSep } from 'path';
import { tmpdir } from 'os';
import semver = require('semver');
import ts = require('typescript');
import proxyquire = require('proxyquire');
import type * as tsNodeTypes from './index';
import * as fs from 'fs';
import {
unlinkSync,
existsSync,
lstatSync,
mkdtempSync,
fstat,
copyFileSync,
writeFileSync,
} from 'fs';
import { NodeFS, npath } from '@yarnpkg/fslib';
import * as promisify from 'util.promisify';
import { sync as rimrafSync } from 'rimraf';
import type _createRequire from 'create-require';
const createRequire: typeof _createRequire = require('create-require');
import { pathToFileURL } from 'url';
import Module = require('module');
import { PassThrough } from 'stream';
import * as getStream from 'get-stream';
import { once } from 'lodash';
const xfs = new NodeFS(fs);
type TestExecReturn = {
stdout: string;
stderr: string;
err: null | ExecException;
};
function exec(
cmd: string,
opts: ExecOptions = {}
): Promise<TestExecReturn> & { child: ChildProcess } {
let childProcess!: ChildProcess;
return Object.assign(
new Promise<TestExecReturn>((resolve, reject) => {
childProcess = childProcessExec(
cmd,
{
cwd: TEST_DIR,
...opts,
},
(error, stdout, stderr) => {
resolve({ err: error, stdout, stderr });
}
);
}),
{
child: childProcess,
}
);
}
const ROOT_DIR = resolve(__dirname, '..');
const TEST_DIR = join(__dirname, '../tests');
const PROJECT = join(TEST_DIR, 'tsconfig.json');
const BIN_PATH = join(TEST_DIR, 'node_modules/.bin/ts-node');
const BIN_SCRIPT_PATH = join(TEST_DIR, 'node_modules/.bin/ts-node-script');
const BIN_CWD_PATH = join(TEST_DIR, 'node_modules/.bin/ts-node-cwd');
const SOURCE_MAP_REGEXP = /\/\/# sourceMappingURL=data:application\/json;charset=utf\-8;base64,[\w\+]+=*$/;
// `createRequire` does not exist on older node versions
const testsDirRequire = createRequire(join(TEST_DIR, 'index.js'));
// Set after ts-node is installed locally
let { register, create, VERSION, createRepl }: typeof tsNodeTypes = {} as any;
// Pack and install ts-node locally, necessary to test package "exports"
test.beforeAll(async () => {
rimrafSync(join(TEST_DIR, 'node_modules'));
await promisify(childProcessExec)(`npm install`, { cwd: TEST_DIR });
const packageLockPath = join(TEST_DIR, 'package-lock.json');
existsSync(packageLockPath) && unlinkSync(packageLockPath);
({ register, create, VERSION, createRepl } = testsDirRequire('ts-node'));
});
test.suite('ts-node', (test) => {
const cmd = `"${BIN_PATH}" --project "${PROJECT}"`;
const cmdNoProject = `"${BIN_PATH}"`;
test('should export the correct version', () => {
expect(VERSION).to.equal(require('../package.json').version);
});
test('should export all CJS entrypoints', () => {
// Ensure our package.json "exports" declaration allows `require()`ing all our entrypoints
// https://github.com/TypeStrong/ts-node/pull/1026
testsDirRequire.resolve('ts-node');
// only reliably way to ask node for the root path of a dependency is Path.resolve(require.resolve('ts-node/package'), '..')
testsDirRequire.resolve('ts-node/package');
testsDirRequire.resolve('ts-node/package.json');
// All bin entrypoints for people who need to augment our CLI: `node -r otherstuff ./node_modules/ts-node/dist/bin`
testsDirRequire.resolve('ts-node/dist/bin');
testsDirRequire.resolve('ts-node/dist/bin.js');
testsDirRequire.resolve('ts-node/dist/bin-transpile');
testsDirRequire.resolve('ts-node/dist/bin-transpile.js');
testsDirRequire.resolve('ts-node/dist/bin-script');
testsDirRequire.resolve('ts-node/dist/bin-script.js');
testsDirRequire.resolve('ts-node/dist/bin-cwd');
testsDirRequire.resolve('ts-node/dist/bin-cwd.js');
// Must be `require()`able obviously
testsDirRequire.resolve('ts-node/register');
testsDirRequire.resolve('ts-node/register/files');
testsDirRequire.resolve('ts-node/register/transpile-only');
testsDirRequire.resolve('ts-node/register/type-check');
// `node --loader ts-node/esm`
testsDirRequire.resolve('ts-node/esm');
testsDirRequire.resolve('ts-node/esm.mjs');
testsDirRequire.resolve('ts-node/esm/transpile-only');
testsDirRequire.resolve('ts-node/esm/transpile-only.mjs');
testsDirRequire.resolve('ts-node/transpilers/swc-experimental');
testsDirRequire.resolve('ts-node/node10/tsconfig.json');
testsDirRequire.resolve('ts-node/node12/tsconfig.json');
testsDirRequire.resolve('ts-node/node14/tsconfig.json');
});
test.suite('cli', (test) => {
test('should execute cli', async () => {
const { err, stdout } = await exec(`${cmd} hello-world`);
expect(err).to.equal(null);
expect(stdout).to.equal('Hello, world!\n');
});
test('shows usage via --help', async () => {
const { err, stdout } = await exec(`${cmdNoProject} --help`);
expect(err).to.equal(null);
expect(stdout).to.match(/Usage: ts-node /);
});
test('shows version via -v', async () => {
const { err, stdout } = await exec(`${cmdNoProject} -v`);
expect(err).to.equal(null);
expect(stdout.trim()).to.equal(
'v' + testsDirRequire('ts-node/package').version
);
});
test('shows version of compiler via -vv', async () => {
const { err, stdout } = await exec(`${cmdNoProject} -vv`);
expect(err).to.equal(null);
expect(stdout.trim()).to.equal(
`ts-node v${testsDirRequire('ts-node/package').version}\n` +
`node ${process.version}\n` +
`compiler v${testsDirRequire('typescript/package').version}`
);
});
test('should register via cli', async () => {
const { err, stdout } = await exec(
`node -r ts-node/register hello-world.ts`,
{
cwd: TEST_DIR,
}
);
expect(err).to.equal(null);
expect(stdout).to.equal('Hello, world!\n');
});
test('should execute cli with absolute path', async () => {
const { err, stdout } = await exec(
`${cmd} "${join(TEST_DIR, 'hello-world')}"`
);
expect(err).to.equal(null);
expect(stdout).to.equal('Hello, world!\n');
});
test('should print scripts', async () => {
const { err, stdout } = await exec(
`${cmd} -pe "import { example } from './complex/index';example()"`
);
expect(err).to.equal(null);
expect(stdout).to.equal('example\n');
});
test('should provide registered information globally', async () => {
const { err, stdout } = await exec(`${cmd} env`);
expect(err).to.equal(null);
expect(stdout).to.equal('object\n');
});
test('should provide registered information on register', async () => {
const { err, stdout } = await exec(`node -r ts-node/register env.ts`, {
cwd: TEST_DIR,
});
expect(err).to.equal(null);
expect(stdout).to.equal('object\n');
});
if (semver.gte(ts.version, '1.8.0')) {
test('should allow js', async () => {
const { err, stdout } = await exec(
[
cmd,
'-O "{\\"allowJs\\":true}"',
'-pe "import { main } from \'./allow-js/run\';main()"',
].join(' ')
);
expect(err).to.equal(null);
expect(stdout).to.equal('hello world\n');
});
test('should include jsx when `allow-js` true', async () => {
const { err, stdout } = await exec(
[
cmd,
'-O "{\\"allowJs\\":true}"',
'-pe "import { Foo2 } from \'./allow-js/with-jsx\'; Foo2.sayHi()"',
].join(' ')
);
expect(err).to.equal(null);
expect(stdout).to.equal('hello world\n');
});
}
test('should eval code', async () => {
const { err, stdout } = await exec(
`${cmd} -e "import * as m from './module';console.log(m.example('test'))"`
);
expect(err).to.equal(null);
expect(stdout).to.equal('TEST\n');
});
test('should import empty files', async () => {
const { err, stdout } = await exec(`${cmd} -e "import './empty'"`);
expect(err).to.equal(null);
expect(stdout).to.equal('');
});
test('should throw errors', async () => {
const { err } = await exec(
`${cmd} -e "import * as m from './module';console.log(m.example(123))"`
);
if (err === null) {
throw new Error('Command was expected to fail, but it succeeded.');
}
expect(err.message).to.match(
new RegExp(
"TS2345: Argument of type '(?:number|123)' " +
"is not assignable to parameter of type 'string'\\."
)
);
});
test('should be able to ignore diagnostic', async () => {
const { err } = await exec(
`${cmd} --ignore-diagnostics 2345 -e "import * as m from './module';console.log(m.example(123))"`
);
if (err === null) {
throw new Error('Command was expected to fail, but it succeeded.');
}
expect(err.message).to.match(
/TypeError: (?:(?:undefined|foo\.toUpperCase) is not a function|.*has no method \'toUpperCase\')/
);
});
test('should work with source maps', async () => {
const { err } = await exec(`${cmd} throw`);
if (err === null) {
throw new Error('Command was expected to fail, but it succeeded.');
}
expect(err.message).to.contain(
[
`${join(TEST_DIR, 'throw.ts')}:100`,
" bar() { throw new Error('this is a demo'); }",
' ^',
'Error: this is a demo',
].join('\n')
);
});
test('eval should work with source maps', async () => {
const { err } = await exec(`${cmd} -pe "import './throw'"`);
if (err === null) {
throw new Error('Command was expected to fail, but it succeeded.');
}
expect(err.message).to.contain(
[
`${join(TEST_DIR, 'throw.ts')}:100`,
" bar() { throw new Error('this is a demo'); }",
' ^',
].join('\n')
);
});
test('should support transpile only mode', async () => {
const { err } = await exec(`${cmd} --transpile-only -pe "x"`);
if (err === null) {
throw new Error('Command was expected to fail, but it succeeded.');
}
expect(err.message).to.contain('ReferenceError: x is not defined');
});
test('should throw error even in transpileOnly mode', async () => {
const { err } = await exec(`${cmd} --transpile-only -pe "console."`);
if (err === null) {
throw new Error('Command was expected to fail, but it succeeded.');
}
expect(err.message).to.contain('error TS1003: Identifier expected');
});
test('should support third-party transpilers via --transpiler', async () => {
const { err, stdout } = await exec(
`${cmdNoProject} --transpiler ts-node/transpilers/swc-experimental transpile-only-swc`
);
expect(err).to.equal(null);
expect(stdout).to.contain('hello world');
});
test('should support third-party transpilers via tsconfig', async () => {
const { err, stdout } = await exec(
`${cmdNoProject} transpile-only-swc-via-tsconfig`
);
expect(err).to.equal(null);
expect(stdout).to.contain('hello world');
});
test('should pipe into `ts-node` and evaluate', async () => {
const execPromise = exec(cmd);
execPromise.child.stdin!.end("console.log('hello')");
const { err, stdout } = await execPromise;
expect(err).to.equal(null);
expect(stdout).to.equal('hello\n');
});
test('should pipe into `ts-node`', async () => {
const execPromise = exec(`${cmd} -p`);
execPromise.child.stdin!.end('true');
const { err, stdout } = await execPromise;
expect(err).to.equal(null);
expect(stdout).to.equal('true\n');
});
test('should pipe into an eval script', async () => {
const execPromise = exec(
`${cmd} --transpile-only -pe "process.stdin.isTTY"`
);
execPromise.child.stdin!.end('true');
const { err, stdout } = await execPromise;
expect(err).to.equal(null);
expect(stdout).to.equal('undefined\n');
});
test('should run REPL when --interactive passed and stdin is not a TTY', async () => {
const execPromise = exec(`${cmd} --interactive`);
execPromise.child.stdin!.end('console.log("123")\n');
const { err, stdout } = await execPromise;
expect(err).to.equal(null);
expect(stdout).to.equal('> 123\n' + 'undefined\n' + '> ');
});
test('REPL has command to get type information', async () => {
const execPromise = exec(`${cmd} --interactive`);
execPromise.child.stdin!.end('\nconst a = 123\n.type a');
const { err, stdout } = await execPromise;
expect(err).to.equal(null);
expect(stdout).to.equal(
"> 'use strict'\n" + '> undefined\n' + '> const a: 123\n' + '> '
);
});
// Serial because it's timing-sensitive
test.serial('REPL can be created via API', async () => {
const stdin = new PassThrough();
const stdout = new PassThrough();
const stderr = new PassThrough();
const replService = createRepl({
stdin,
stdout,
stderr,
});
const service = create({
...replService.evalAwarePartialHost,
project: `${TEST_DIR}/tsconfig.json`,
});
replService.setService(service);
replService.start();
stdin.write('\nconst a = 123\n.type a\n');
stdin.end();
await promisify(setTimeout)(1e3);
stdout.end();
stderr.end();
expect(await getStream(stderr)).to.equal('');
expect(await getStream(stdout)).to.equal(
"> 'use strict'\n" + '> undefined\n' + '> const a: 123\n' + '> '
);
});
test('should support require flags', async () => {
const { err, stdout } = await exec(
`${cmd} -r ./hello-world -pe "console.log('success')"`
);
expect(err).to.equal(null);
expect(stdout).to.equal('Hello, world!\nsuccess\nundefined\n');
});
test('should support require from node modules', async () => {
const { err, stdout } = await exec(
`${cmd} -r typescript -e "console.log('success')"`
);
expect(err).to.equal(null);
expect(stdout).to.equal('success\n');
});
test('should use source maps with react tsx', async () => {
const { err, stdout } = await exec(`${cmd} throw-react-tsx.tsx`);
expect(err).not.to.equal(null);
expect(err!.message).to.contain(
[
`${join(TEST_DIR, './throw-react-tsx.tsx')}:100`,
" bar() { throw new Error('this is a demo'); }",
' ^',
'Error: this is a demo',
].join('\n')
);
});
test('should allow custom typings', async () => {
const { err, stdout } = await exec(`${cmd} custom-types`);
expect(err).to.match(/Error: Cannot find module 'does-not-exist'/);
});
test('should preserve `ts-node` context with child process', async () => {
const { err, stdout } = await exec(`${cmd} child-process`);
expect(err).to.equal(null);
expect(stdout).to.equal('Hello, world!\n');
});
test('should import js before ts by default', async () => {
const { err, stdout } = await exec(`${cmd} import-order/compiled`);
expect(err).to.equal(null);
expect(stdout).to.equal('Hello, JavaScript!\n');
});
const preferTsExtsEntrypoint = semver.gte(process.version, '12.0.0')
? 'import-order/compiled'
: 'import-order/require-compiled';
test('should import ts before js when --prefer-ts-exts flag is present', async () => {
const { err, stdout } = await exec(
`${cmd} --prefer-ts-exts ${preferTsExtsEntrypoint}`
);
expect(err).to.equal(null);
expect(stdout).to.equal('Hello, TypeScript!\n');
});
test('should import ts before js when TS_NODE_PREFER_TS_EXTS env is present', async () => {
const { err, stdout } = await exec(`${cmd} ${preferTsExtsEntrypoint}`, {
env: { ...process.env, TS_NODE_PREFER_TS_EXTS: 'true' },
});
expect(err).to.equal(null);
expect(stdout).to.equal('Hello, TypeScript!\n');
});
test('should ignore .d.ts files', async () => {
const { err, stdout } = await exec(`${cmd} import-order/importer`);
expect(err).to.equal(null);
expect(stdout).to.equal('Hello, World!\n');
});
test.suite('issue #884', (test) => {
test('should compile', async (t) => {
// TODO disabled because it consistently fails on Windows on TS 2.7
if (
process.platform === 'win32' &&
semver.satisfies(ts.version, '2.7')
) {
t.log('Skipping');
return;
} else {
const { err, stdout } = await exec(
`"${BIN_PATH}" --project issue-884/tsconfig.json issue-884`
);
expect(err).to.equal(null);
expect(stdout).to.equal('');
}
});
});
test.suite('issue #986', (test) => {
test('should not compile', async () => {
const { err, stdout, stderr } = await exec(
`"${BIN_PATH}" --project issue-986/tsconfig.json issue-986`
);
expect(err).not.to.equal(null);
expect(stderr).to.contain("Cannot find name 'TEST'"); // TypeScript error.
expect(stdout).to.equal('');
});
test('should compile with `--files`', async () => {
const { err, stdout, stderr } = await exec(
`"${BIN_PATH}" --files --project issue-986/tsconfig.json issue-986`
);
expect(err).not.to.equal(null);
expect(stderr).to.contain('ReferenceError: TEST is not defined'); // Runtime error.
expect(stdout).to.equal('');
});
});
if (semver.gte(ts.version, '2.7.0')) {
test('should locate tsconfig relative to entry-point by default', async () => {
const { err, stdout } = await exec(`${BIN_PATH} ../a/index`, {
cwd: join(TEST_DIR, 'cwd-and-script-mode/b'),
});
expect(err).to.equal(null);
expect(stdout).to.match(/plugin-a/);
});
test('should locate tsconfig relative to entry-point via ts-node-script', async () => {
const { err, stdout } = await exec(`${BIN_SCRIPT_PATH} ../a/index`, {
cwd: join(TEST_DIR, 'cwd-and-script-mode/b'),
});
expect(err).to.equal(null);
expect(stdout).to.match(/plugin-a/);
});
test('should locate tsconfig relative to entry-point with --script-mode', async () => {
const { err, stdout } = await exec(
`${BIN_PATH} --script-mode ../a/index`,
{
cwd: join(TEST_DIR, 'cwd-and-script-mode/b'),
}
);
expect(err).to.equal(null);
expect(stdout).to.match(/plugin-a/);
});
test('should locate tsconfig relative to cwd via ts-node-cwd', async () => {
const { err, stdout } = await exec(`${BIN_CWD_PATH} ../a/index`, {
cwd: join(TEST_DIR, 'cwd-and-script-mode/b'),
});
expect(err).to.equal(null);
expect(stdout).to.match(/plugin-b/);
});
test('should locate tsconfig relative to cwd in --cwd-mode', async () => {
const { err, stdout } = await exec(
`${BIN_PATH} --cwd-mode ../a/index`,
{ cwd: join(TEST_DIR, 'cwd-and-script-mode/b') }
);
expect(err).to.equal(null);
expect(stdout).to.match(/plugin-b/);
});
test('should locate tsconfig relative to realpath, not symlink, when entrypoint is a symlink', async (t) => {
if (
lstatSync(
join(TEST_DIR, 'main-realpath/symlink/symlink.tsx')
).isSymbolicLink()
) {
const { err, stdout } = await exec(
`${BIN_PATH} main-realpath/symlink/symlink.tsx`
);
expect(err).to.equal(null);
expect(stdout).to.equal('');
} else {
t.log('Skipping');
return;
}
});
}
test.suite('should read ts-node options from tsconfig.json', (test) => {
const BIN_EXEC = `"${BIN_PATH}" --project tsconfig-options/tsconfig.json`;
test('should override compiler options from env', async () => {
const { err, stdout } = await exec(
`${BIN_EXEC} tsconfig-options/log-options1.js`,
{
env: {
...process.env,
TS_NODE_COMPILER_OPTIONS: '{"typeRoots": ["env-typeroots"]}',
},
}
);
expect(err).to.equal(null);
const { config } = JSON.parse(stdout);
expect(config.options.typeRoots).to.deep.equal([
join(TEST_DIR, './tsconfig-options/env-typeroots').replace(
/\\/g,
'/'
),
]);
});
test('should use options from `tsconfig.json`', async () => {
const { err, stdout } = await exec(
`${BIN_EXEC} tsconfig-options/log-options1.js`
);
expect(err).to.equal(null);
const { options, config } = JSON.parse(stdout);
expect(config.options.typeRoots).to.deep.equal([
join(TEST_DIR, './tsconfig-options/tsconfig-typeroots').replace(
/\\/g,
'/'
),
]);
expect(config.options.types).to.deep.equal(['tsconfig-tsnode-types']);
expect(options.pretty).to.equal(undefined);
expect(options.skipIgnore).to.equal(false);
expect(options.transpileOnly).to.equal(true);
expect(options.require).to.deep.equal([
join(TEST_DIR, './tsconfig-options/required1.js'),
]);
});
test('should have flags override / merge with `tsconfig.json`', async () => {
const { err, stdout } = await exec(
`${BIN_EXEC} --skip-ignore --compiler-options "{\\"types\\":[\\"flags-types\\"]}" --require ./tsconfig-options/required2.js tsconfig-options/log-options2.js`
);
expect(err).to.equal(null);
const { options, config } = JSON.parse(stdout);
expect(config.options.typeRoots).to.deep.equal([
join(TEST_DIR, './tsconfig-options/tsconfig-typeroots').replace(
/\\/g,
'/'
),
]);
expect(config.options.types).to.deep.equal(['flags-types']);
expect(options.pretty).to.equal(undefined);
expect(options.skipIgnore).to.equal(true);
expect(options.transpileOnly).to.equal(true);
expect(options.require).to.deep.equal([
join(TEST_DIR, './tsconfig-options/required1.js'),
'./tsconfig-options/required2.js',
]);
});
test('should have `tsconfig.json` override environment', async () => {
const { err, stdout } = await exec(
`${BIN_EXEC} tsconfig-options/log-options1.js`,
{
env: {
...process.env,
TS_NODE_PRETTY: 'true',
TS_NODE_SKIP_IGNORE: 'true',
},
}
);
expect(err).to.equal(null);
const { options, config } = JSON.parse(stdout);
expect(config.options.typeRoots).to.deep.equal([
join(TEST_DIR, './tsconfig-options/tsconfig-typeroots').replace(
/\\/g,
'/'
),
]);
expect(config.options.types).to.deep.equal(['tsconfig-tsnode-types']);
expect(options.pretty).to.equal(true);
expect(options.skipIgnore).to.equal(false);
expect(options.transpileOnly).to.equal(true);
expect(options.require).to.deep.equal([
join(TEST_DIR, './tsconfig-options/required1.js'),
]);
});
});
test.suite(
'should use implicit @tsconfig/bases config when one is not loaded from disk',
(_test) => {
const test = _test.context(async (t) => ({
tempDir: mkdtempSync(join(tmpdir(), 'ts-node-spec')),
}));
if (
semver.gte(ts.version, '3.5.0') &&
semver.gte(process.versions.node, '14.0.0')
) {
test('implicitly uses @tsconfig/node14 compilerOptions when both TS and node versions support it', async (t) => {
const {
context: { tempDir },
} = t;
const {
err: err1,
stdout: stdout1,
stderr: stderr1,
} = await exec(`${BIN_PATH} --showConfig`, { cwd: tempDir });
expect(err1).to.equal(null);
t.like(JSON.parse(stdout1), {
compilerOptions: {
target: 'es2020',
lib: ['es2020'],
},
});
const {
err: err2,
stdout: stdout2,
stderr: stderr2,
} = await exec(`${BIN_PATH} -pe 10n`, { cwd: tempDir });
expect(err2).to.equal(null);
expect(stdout2).to.equal('10n\n');
});
} else {
test('implicitly uses @tsconfig/* lower than node14 (node10 or node12) when either TS or node versions do not support @tsconfig/node14', async ({
context: { tempDir },
}) => {
const { err, stdout, stderr } = await exec(`${BIN_PATH} -pe 10n`, {
cwd: tempDir,
});
expect(err).to.not.equal(null);
expect(stderr).to.match(
/BigInt literals are not available when targeting lower than|error TS2304: Cannot find name 'n'/
);
});
}
test('implicitly loads @types/node even when not installed within local directory', async ({
context: { tempDir },
}) => {
const { err, stdout, stderr } = await exec(
`${BIN_PATH} -pe process.env.foo`,
{
cwd: tempDir,
env: { ...process.env, foo: 'hello world' },
}
);
expect(err).to.equal(null);
expect(stdout).to.equal('hello world\n');
});
test('implicitly loads local @types/node', async ({
context: { tempDir },
}) => {
await xfs.copyPromise(
npath.toPortablePath(tempDir),
npath.toPortablePath(join(TEST_DIR, 'local-types-node'))
);
const { err, stdout, stderr } = await exec(
`${BIN_PATH} -pe process.env.foo`,
{
cwd: tempDir,
env: { ...process.env, foo: 'hello world' },
}
);
expect(err).to.not.equal(null);
expect(stderr).to.contain(
"Property 'env' does not exist on type 'LocalNodeTypes_Process'"
);
});
}
);
if (semver.gte(ts.version, '3.2.0')) {
test.suite(
'should bundle @tsconfig/bases to be used in your own tsconfigs',
(test) => {
const macro = test.macro((nodeVersion: string) => async (t) => {
const config = require(`@tsconfig/${nodeVersion}/tsconfig.json`);
const { err, stdout, stderr } = await exec(
`${BIN_PATH} --showConfig -e 10n`,
{
cwd: join(TEST_DIR, 'tsconfig-bases', nodeVersion),
}
);
expect(err).to.equal(null);
t.like(JSON.parse(stdout), {
compilerOptions: {
target: config.compilerOptions.target,
lib: config.compilerOptions.lib,
},
});
});
test(`ts-node/node10/tsconfig.json`, macro, 'node10');
test(`ts-node/node12/tsconfig.json`, macro, 'node12');
test(`ts-node/node14/tsconfig.json`, macro, 'node14');
}
);
}
test.suite('compiler host', (test) => {
test('should execute cli', async () => {
const { err, stdout } = await exec(
`${cmd} --compiler-host hello-world`
);
expect(err).to.equal(null);
expect(stdout).to.equal('Hello, world!\n');
});
});
test('should transpile files inside a node_modules directory when not ignored', async () => {
const { err, stdout, stderr } = await exec(
`${cmdNoProject} from-node-modules/from-node-modules`
);
if (err)
throw new Error(
`Unexpected error: ${err}\nstdout:\n${stdout}\nstderr:\n${stderr}`
);
expect(JSON.parse(stdout)).to.deep.equal({
external: {
tsmri: { name: 'typescript-module-required-internally' },
jsmri: { name: 'javascript-module-required-internally' },
tsmii: { name: 'typescript-module-imported-internally' },
jsmii: { name: 'javascript-module-imported-internally' },
},
tsmie: { name: 'typescript-module-imported-externally' },
jsmie: { name: 'javascript-module-imported-externally' },
tsmre: { name: 'typescript-module-required-externally' },
jsmre: { name: 'javascript-module-required-externally' },
});
});
test.suite('should respect maxNodeModulesJsDepth', (test) => {
test('for unscoped modules', async () => {
const { err, stdout, stderr } = await exec(
`${cmdNoProject} maxnodemodulesjsdepth`
);
expect(err).to.not.equal(null);
expect(stderr.replace(/\r\n/g, '\n')).to.contain(
'TSError: ⨯ Unable to compile TypeScript:\n' +
"maxnodemodulesjsdepth/other.ts(4,7): error TS2322: Type 'string' is not assignable to type 'boolean'.\n" +
'\n'
);
});
test('for @scoped modules', async () => {
const { err, stdout, stderr } = await exec(
`${cmdNoProject} maxnodemodulesjsdepth-scoped`
);
expect(err).to.not.equal(null);
expect(stderr.replace(/\r\n/g, '\n')).to.contain(
'TSError: ⨯ Unable to compile TypeScript:\n' +
"maxnodemodulesjsdepth-scoped/other.ts(7,7): error TS2322: Type 'string' is not assignable to type 'boolean'.\n" +
'\n'
);
});
});
if (semver.gte(ts.version, '3.2.0')) {
test('--show-config should log resolved configuration', async (t) => {
function native(path: string) {
return path.replace(/\/|\\/g, pathSep);
}
function posix(path: string) {
return path.replace(/\/|\\/g, '/');
}
const { err, stdout } = await exec(`${cmd} --showConfig`);
expect(err).to.equal(null);
t.is(
stdout,
JSON.stringify(
{
compilerOptions: {
target: 'es6',
jsx: 'react',
noEmit: false,
strict: true,
typeRoots: [
posix(`${ROOT_DIR}/tests/typings`),
posix(`${ROOT_DIR}/node_modules/@types`),
],
sourceMap: true,
inlineSourceMap: false,
inlineSources: true,
declaration: false,
outDir: './.ts-node',
module: 'commonjs',
},
'ts-node': {
cwd: native(`${ROOT_DIR}/tests`),
projectSearchDir: native(`${ROOT_DIR}/tests`),
project: native(`${ROOT_DIR}/tests/tsconfig.json`),
require: [],
},
},
null,
2
) + '\n'
);
});
} else {
test('--show-config should log error message when used with old typescript versions', async (t) => {
const { err, stderr } = await exec(`${cmd} --showConfig`);
expect(err).to.not.equal(null);
expect(stderr).to.contain('Error: --show-config requires');
});
}
});
test.suite('register', (_test) => {
const test = _test.context(
once(async () => {
return {
registered: register({
project: PROJECT,
compilerOptions: {
jsx: 'preserve',
},
}),
moduleTestPath: require.resolve('../tests/module'),
};
})
);
test.beforeEach(async ({ context: { registered } }) => {
// Re-enable project for every test.
registered.enabled(true);
});
test.runSerially();
test('should be able to require typescript', ({
context: { moduleTestPath },
}) => {
const m = require(moduleTestPath);
expect(m.example('foo')).to.equal('FOO');
});
test('should support dynamically disabling', ({
context: { registered, moduleTestPath },
}) => {
delete require.cache[moduleTestPath];
expect(registered.enabled(false)).to.equal(false);
expect(() => require(moduleTestPath)).to.throw(/Unexpected token/);
delete require.cache[moduleTestPath];
expect(registered.enabled()).to.equal(false);
expect(() => require(moduleTestPath)).to.throw(/Unexpected token/);
delete require.cache[moduleTestPath];
expect(registered.enabled(true)).to.equal(true);
expect(() => require(moduleTestPath)).to.not.throw();
delete require.cache[moduleTestPath];
expect(registered.enabled()).to.equal(true);
expect(() => require(moduleTestPath)).to.not.throw();
});
if (semver.gte(ts.version, '2.7.0')) {
test('should support compiler scopes', ({
context: { registered, moduleTestPath },
}) => {
const calls: string[] = [];
registered.enabled(false);
const compilers = [
register({
projectSearchDir: join(TEST_DIR, 'scope/a'),
scopeDir: join(TEST_DIR, 'scope/a'),
scope: true,
}),
register({
projectSearchDir: join(TEST_DIR, 'scope/a'),
scopeDir: join(TEST_DIR, 'scope/b'),
scope: true,
}),
];
compilers.forEach((c) => {
const old = c.compile;
c.compile = (code, fileName, lineOffset) => {
calls.push(fileName);
return old(code, fileName, lineOffset);
};
});
try {
expect(require('../tests/scope/a').ext).to.equal('.ts');
expect(require('../tests/scope/b').ext).to.equal('.ts');
} finally {
compilers.forEach((c) => c.enabled(false));
}
expect(calls).to.deep.equal([
join(TEST_DIR, 'scope/a/index.ts'),
join(TEST_DIR, 'scope/b/index.ts'),
]);
delete require.cache[moduleTestPath];
expect(() => require(moduleTestPath)).to.throw();
});
}
test('should compile through js and ts', () => {
const m = require('../tests/complex');
expect(m.example()).to.equal('example');
});
test('should work with proxyquire', () => {
const m = proxyquire('../tests/complex', {