ts-node

Added

• --project accepts path to a directory containing a tsconfig.json (#1829, #1830) @cspotcode
  • previously it required an explicit filename
• Added helpful error message when swc version is too old to support our configuration (#1802) @cspotcode
• Added experimentalTsImportSpecifiers option which allows using voluntary .ts file extensions in import specifiers (undocumented except for API docs) (#1815) @cspotcode

Fixed

• Fixed bug where child_process.fork() would erroneously execute the parent's entrypoint script, not the intended child script (#1812, #1814) @devversion
• Fixed support for jsx modes "react-jsx" and "react-jsxdev" in swc transpiler (#1800, #1802) @cspotcode
• Fixed support for import assertions in swc transpiler (#1817, #1802) @cspotcode
• Fixed bug where calling repl.evalCode() with code not ending in a newline would not update the typechecker accordingly (#1764, #1824) @cspotcode

v10.8.2...v10.9.0
https://github.com/TypeStrong/ts-node/milestone/16?closed=1

Fixed

• Revert "Use file URL for source map paths" (#1821) @cspotcode
  • Fixes #1790: ts-node 10.8.1 regression where nyc code coverage reports had incorrect paths
  • Fixes #1797: ts-node 10.8.1 regression where breakpoints did not hit in VSCode debugging
• Allow JSON imports in node 16.15 and up (#1792) @queengooborg
  • JSON imports were already supported in v17.5 and up
  • this change extends support to >=16.15.0,<17.0.0
  • These version ranges match vanilla node's support for JSON imports

v10.8.1...v10.8.2
https://github.com/TypeStrong/ts-node/milestone/15?closed=1

Fixed

• Fixed #1769: source URLs in source map cache were malformed on Windows, affecting code coverage reports (#1769, #1771) @PaperStrike
• Fixed #1778: typechecker was erronously resolving imports from ESM files as if they were from CJS files (#1778, #1782) @cspotcode

v10.8.0...v10.8.1
https://github.com/TypeStrong/ts-node/milestone/14

Questions about this release? Ask in the official discussion thread: #1767

Added

• Added support for module=NodeNext, module=Node16, .mts, .cts, .mjs, and .cjs file extensions (#1414, #1694, #1744, #1745, #1727, #1717, #1753, #1757) @cspotcode
  • For best results, enable experimentalResolver (docs)
  • See TypeScript's official documentation: https://www.typescriptlang.org/docs/handbook/esm-node.html
  • enables mixed-mode projects with both ESM and CommonJS
  • enables all supported file extensions in TypeScript 4.7
  • Obeys package.json "type"
• Added ability to include file extensions in CommonJS imports (#1727, #1753) @cspotcode
  • Enables consistency with ESM, where file extensions are often mandatory
• Resolves from emitted to source file extensions (#1727, #1753) @cspotcode
  • Must enable experimentalResolver, will be enabled by default in a future version (docs)
  • Typechecker requires importing the emitted file extension; ts-node resolves correctly to the source file. E.g. import "./foo.js" will execute foo.ts See also: TypeScript issue #37582
  • If typechecking is disabled, you can also use source file extensions. E.g. import "./foo.ts"
• Added experimentalSpecifierResolution (#1727, #1753) @cspotcode
  • the same as Node's --experimental-specifier-resolution (Node docs)
  • can also be specified in tsconfig.json for convenience, to avoid the CLI flag
  • allows omitting file extensions in ESM imports, plus a few other CommonJS-style conveniences
• Adds diagnostics property to TSError, with array of TypeScript diagnostic objects from the compiler (API docs) (#1705, #1706) @paulbrimicombe

Changed

• Renames option experimentalResolverFeatures to experimentalResolver (docs) (#1727) @cspotcode
• Internal change to ESM loader for compatibility with forthcoming node versions: returns shortCircuit: true (#1714, #1715) @cspotcode
• Performance: Optimize filesystem stat calls in ESM loader and new CommonJS resolver (#1758, #1759) @cspotcode
• Performance, maintenance: Upgrade source-mapper dependency "@cspotcode/source-map-support"
  • Switches to "trace-mapping" for underlying source-map parsing (#1729) @cspotcode

Fixed

• Fixed bug where REPL .type command was not showing any type information when using TypeScript nightly builds (#1761, #1762) @cspotcode
• Correctly suppress "Custom ESM Loaders" warning on newer node versions where the warning's prose changed (#1701) @cspotcode
• Fixed REPL bug where function signatures could not be entered across multiple lines (#1667, #1677) @d9k
• REPL treats unparenthesized object literals as objects, instead of as block scopes (#1697, #1699) @jhmaster2000
• Fixed bug where preferTsExts combined with third-party transpiler hooks could disrupt nyc code coverage (#1755) @cspotcode
• Fixed bug where file:// URLs in stack traces did not always use percent-encoding (#1738, #1726, #1729) @cspotcode
• Fixed bug where v8-compile-cache-lib did not correctly unhook itself (#1717, #1718, #1719) @cspotcode
  • This internal dependency is used to speed up loading the TypeScript compiler

Docs

• Many docs improvements (#1682) @cspotcode
• Options page: each option its own linkable header w/usage example (#1606) @cspotcode
• Categorize APIs in typedoc, make entrypoints more prominent (#1456) @cspotcode
• Clarify that the shorthand for --project is -P, not -p (#1731, #1734) @lobsterkatie
• Add common ESM errors to Troubleshooting page (#1607) @cspotcode

v10.7.0...v10.8.0
https://github.com/TypeStrong/ts-node/milestone/12

Questions about this release? Ask in the official discussion thread: #1680

Added

• Adds --esm flag, option, and ts-node-esm binary (#1258, #1655)
  • Enables full esm support; no need for --loader nor NODE_OPTIONS
  • Use shebang #!/usr/bin/env ts-node-esm, run ts-node --esm, or add to your tsconfig.json: "ts-node": {"esm": true}

Changed

• Unflag ESM json modules on node >=17.5.0 (#1661, #1665) @Jamesernator
  • no longer requires --experimental-json-modules
• Lazy-load dependencies to improve startup responsiveness. (#1676)

Fixed

• Fixed bug where "compiler", "transpiler", and swc backend would not resolve relative to the tsconfig.json that declared them (#1662, #1655)
  • Enables reusable tsconfig.json shared via node module to include necessary dependencies

v10.6.0...v10.7.0
https://github.com/TypeStrong/ts-node/milestone/11

Questions about this release? Ask in the official discussion thread: #1666

Added

• Adds workaround for extensionless entrypoints with ESM loader (#1649, #1654)
  • You can now combine tools such as mocha with --loader ts-node/esm, where previously node would throw [ERR_UNKNOWN_FILE_EXTENSION]
  • node has a bug where combining --loader with an extensionless entrypoint causes this error nodejs/node#33226
  • Some tools, for example mocha, have an extensionless entrypoint. (source, source)
  • Combining NODE_OPTIONS=--loader ts-node/esm with these tools causes this error. mochajs/mocha#4645
  • node intends to fix this bug in a future release: nodejs/node#41711
  • In the interim, we have implemented a workaround in ts-node.
• Adds support for target "ES2022" in moduleTypes overrides (#1650)

Fixed

• Fixed bug where --swc and other third-party transpilers did not respect moduleTypes overrides (#1651, #1652, #1660)
• Fixed bug where node flags were not preserved correctly in process.execArgv (#1657, #1658)
  • This affected child_process.fork(), since it uses process.execArgv to create a similar child runtime.
  • With this fix, child_process.fork() will preserve both node flags and ts-node hooks.
• Fixed compatibility TypeScript 4.7's API changes (#1647, #1648)

v10.5.0...v10.6.0
https://github.com/TypeStrong/ts-node/milestone/9

Questions about this release? Ask in the official discussion thread: #1634

Added

• Eliminate "Emit Skipped" errors (#693, #1345, #1629)
  • Avoids all "Emit Skipped" errors by performing a fallback transpileOnly-style transformation.
  • Does not affect typechecking. Type errors are still detected and thrown.
  • Fallback has the same limitations as isolatedModules. This will only affect rare cases such as using const enums with preserveConstEnums disabled.
  • Fixes #693
• Graduate swc transpiler out of experimental; add swc: true convenience option (docs) (#1487, #1536, #1613, #1627)
  • "swc": true or --swc will use swc for faster execution
  • This feature is no longer marked "experimental." Thank you to everyone who filed bugs!
• swc transpiler attempts to load @swc/core or @swc/wasm dependencies from your project before falling-back to global installations (#1613, #1627)
  • global fallback only occurs when using a global installation of ts-node
• Add support for TypeScript's traceResolution output (docs) (#1128, #1491) @TheUnlocked
• Support import assertions in ESM loader (docs) (#1557, #1558, #1559, #1573) @Pokute, @geigerzaehler
  • Allows importing JSON files from ESM with the requisite flag (docs)
• ts-node -vvv also logs absolute paths to ts-node and typescript, to make it more obvious when you're accidentally using globally-installed versions (#1323, #1620)
• Add swc target "es2022" (#1535, #1540)
  • When you have target es2022 in tsconfig, will use swc's es2022 target

Changed

• Initialize TypeScript compiler before starting REPL prompt (#1498) @TheUnlocked
  • Improves responsiveness for first line of REPL input
• Use v8-compile-cache-lib to load typescript
  • improves startup time (#1339, #1603)
• Support both --camelCase and --hyphen-case for all CLI flags; update documentation to use --camelCase (#1598, #1599)
  • Not a breaking change; CLI continues to accept both forms
• Make TSError diagnosticText property non-enumerable to prevent it from being logged below the stack (#1632)

Fixed

• Fix #1538: REPL inputs fail to transpile via swc (#1538, #1541, #1602)
• Fix #1478: REPL erroneously logged undefined for all inputs after the first when using swc transpiler (#1478, #1580, #1602)
• Fix #1389: In --showConfig output, emit accurate moduleTypes paths resolved relative to the tsconfig.json which declared them (#1389, #1619)
• Fix: Remove indentation from ts-node --help output (#1597, #1600)
• Fix #1425: Merged definitions correctly into tsconfig.schemastore-schema.json (#1425, #1618)
• Fix: Allow disabling "use strict" emit in SWC transpiler (#1531, #1537)
• Fix: Add missing ERR_UNKNOWN_FILE_EXTENSION constructor; was throwing ERR_UNKNOWN_FILE_EXTENSION is not a constructor (#1562) @bluelovers
• Fix #1565: entrypoint resolution failed on node v12.0.x and v12.1.x (#1565, #1566) @davidmurdoch

Docs

• Explain env -S flag for shebangs (docs) (#1448, #1545) @sheeit, @chee
• Suggest skipIgnore when you want to compile files in node_modules (docs) (#1553) @webstrand
• Fix typo in moduleTypes on options page (docs) (#1630, #1633)

Misc

• Adds experimental experimentalResolverFeatures option, but it does not do anything yet (#1514, #1614)

v10.4.0...v10.5.0
https://github.com/TypeStrong/ts-node/milestone/4

Added

• Adds support for targets "es2020" and "es2021" to swc transpiler (#1521)
• Adds automatic target downgrade when using older versions of swc (#1521)
  • If tsconfig specifies es2020, but your version of swc only supports up to es2019, ts-node will automatically switch to es2019 instead of throwing an error

Changed

• Improves types and API docs for creatEsmHooks (API docs) (#1506, #1529)

Fixed

• Fix #1526: data URL handling in new ESM loader hooks API (#1526, #1529)

https://github.com/TypeStrong/ts-node/compare/v10.3.1...v10.4.0 https://github.com/TypeStrong/ts-node/milestone/8

Fixed

• Add version check to use new loader hooks API for node >=16.12.0 (#1522) @shrujalshah28

https://github.com/TypeStrong/ts-node/compare/v10.3.0...v10.3.1 https://github.com/TypeStrong/ts-node/milestone/7

Questions about this release? Ask in the official discussion thread: #1507

Added

• Declare types for node builtin modules within REPL so you do not need to import them (#1424, #1500)
  • Node REPL exposes builtin modules as globals; typechecker now understands this
  • Typechecking should no longer raise errors when using builtins without first importing
  • For example: util.promisify(setTimeout)(1000) or fs.readFileSync('example.txt')
• Add createEsmHooks() function to create ESM loader hooks (API docs) (#1439) @nonara
  • Can be used to compose our loader hooks with another loader or additional logic
• register() accepts a ts-node Service (API docs) (#1474)
  • register(options) is still supported; no breaking changes
• Add support for Node.js's new loader hooks API (#1372, #1457, #1007) @jonaskello
  • Node.js has changed their loader hooks API
  • ts-node is compatible with all node versions, detects your node version and exposes the correct hooks API
  • Node's new API currently only available in node v17 nightly builds
  • Node will eventually backport the changes to node 16, and may also be backport to 14 and 12
• Add --emit to --help output (#1400, #1484) @markbradley27

Changed

• When ts-node is registered and other libraries require('source-map-support'), they will be redirected to @cspotcode/source-map-support
  • See complete description in Fixed section below

Fixed

• Fix #1440, #1441, #1438, #1495: Incorrect stack traces when third-party libraries use source-map-support instead of @cspotcode/source-map-support (#1440, #1441, #1438, #1495, cspotcode/node-source-map-support#23, #1496, #1497) @ejose19
  • When ts-node is registered and other libraries require('source-map-support'), they will be redirected to @cspotcode/source-map-support
  • ts-node uses @cspotcode/source-map-support for the fixes and enhancements listed here: @cspotcode/source-map-support changelog
  • To ensure correct stack traces, all libraries must share a compatible sourcemap support implementation
• Fix #1363: REPL may erroneously combine previous input with next input, eval both as a single statement (#1363, #1480) @TheUnlocked
  • For example, entering 100 on first line and * 2 on second line would erronously be interpreted as 100 * 2
  • REPL now ensures both lines are separate statements, both when typechecking and when evaluating
• Fix #1488: Node may log "circular dependency" warning when using allowJs (#1488, #1489)
• Fix #1301: Filter empty strings from TS_NODE_IGNORE and TS_NODE_IGNORE_DIAGNOSTICS; treat empty environment variable as empty array (#1301, #1483) @ValeriaVG
  • TS_NODE_IGNORE= ts-node ./example.ts will disable default ignore rules; will compile files in ./node_modules

Docs

• Update VSCode debug configuration (Docs) (#1466)
• Update ESM-related messaging to clarify that experimental status is due to Node.js, not ts-node (#1455)
• Refer to ts-node consistently (#1481) @animafps

https://github.com/TypeStrong/ts-node/compare/v10.2.1...v10.3.0 https://github.com/TypeStrong/ts-node/milestone/5

Fixed

• Fixes #1426: Do not import typescript outside of configuration/project loading (#1433, #1426) @Songkeys
  • We take care to load your project's version of typescript, falling back to a globally-installed version if necessary.
  • 10.2.0 introduced a bug where we did not do this consistently, causing global or npx installations of ts-node to attempt loading typescript relative to themselves, not your project.
  • This failed if typescript was not globally installed or npx did not install peer dependencies.

https://github.com/TypeStrong/ts-node/compare/v10.2.0...v10.2.1 https://github.com/TypeStrong/ts-node/milestone/6

Questions about this release? Ask in the official discussion thread: #1423

Added

• Adds top-level await support to REPL (#1383, #245) @ejose19
  • can be disabled with --no-experimental-repl-await, experimentalReplAwait, or TS_NODE_EXPERIMENTAL_REPL_AWAIT (CLI docs, API docs)
• Setting "pretty": false disables pretty formatting of diagnostics even when stdout is a TTY (#1418, #1420) @elevatebart
  • Applies to ts-node's pretty option, not to be confused with TypeScript's pretty option
• Ignores diagnostics which are annoying in an interactive REPL (#1396, #1120, #729, #850, #469)
  • For example, when you input const foo = 1 in the REPL, foo is unused. We ignore the resulting diagnostic foo is declared but its value is never read
  • Diagnostics are only ignored in the REPL
  • Diagnostics for non-REPL files imported by the REPL will still be shown
• Logged stack traces are colorized to match vanilla node's behavior (#1412, #1405)

Fixed

• Fix #1397: SWC transpiler should emit ECMAScript imports and exports when configuration dictates (#1409, #1397)
  • Enables SWC transpiler to be used alongside --loader
• Fix #1403: source-map-support breaks rendering of node errors (#1405, #1403)
• Fix #1410: rendering of async stack frames should include async annotations (#1405, #1410)
• Fix #1411: wrong order of process 'exit' event and logging unhandled exception (#1405, #1411)
• Fix #1419: Should not throw require.resolve error when @types/node peerDependency is missing (#1419, #1422)

https://github.com/TypeStrong/ts-node/compare/v10.1.0...v10.2.0 https://github.com/TypeStrong/ts-node/milestone/2

Questions about this release? Ask in the official discussion thread: #1390

Added

• Add "moduleType" option to override module type -- CommonJS or ECMAScript -- on select files. (docs) (#1342, #1371, #1376)
  • Useful when a configuration file, for example webpack.config.ts, must execute as CommonJS but the rest of the project is ESM
  • selectively overrides package.json "type" and tsconfig.json "module"
  • akin to .cjs and .mjs extensions, but for .ts and .tsx files
  • thanks to @jayaddison for help on test coverage
• Implement "extends" support for "ts-node" options in tsconfig.json (#1328, #1356)
  • "ts-node": {} options will be parsed from extended tsconfigs
  • allows sharing and deduplicating ts-node configuration
• Un-deprecate scope and scopeDir; add both to CLI and tsconfig.json options; un-deprecate TS_NODE_SCOPE env var; add TS_NODE_SCOPE_DIR env var (docs) (#1346, #1367)

Changed

• Improve error messages thrown by native ESM loader hooks (#1357, #1373) @tars0x9752
  • messages more closely match node; are more descriptive
• Emit "ts-node" object at the top of --showConfig output instead of the bottom (#1355)

Fixed

• Fix #1282: Set correct globals in [stdin], [eval], and <repl> contexts (#1333)
  • More closely align ts-node's behavior with vanilla node
  • Affects the interactive REPL, piping to stdin, and ts-node -e
  • Matches node's behavior for globals __filename, __dirname, module and sub-fields of module, exports, and builtin module aliases fs, etc
• Fix #1343: Set swc option keepClassNames to true (#1344)
• Fix: #1387: REPL outputs 'use strict' after first empty line of input (#1388) @ejose19

Docs

• Update ESM docs to say that env vars are supported with node --loader ts-node/esm (docs) (#1379)

https://github.com/TypeStrong/ts-node/compare/v10.0.0...v10.1.0 https://github.com/TypeStrong/ts-node/milestone/3

Questions about this release? Ask in the official discussion thread: #1337

Breaking changes are prefixed with [BREAKING]

Added

• Adds --show-config to log the resolved configuration (docs) (#1100, #1243)
• Bundle and re-export @tsconfig/node* configurations for convenience (docs) (#1202, #1236, #1313)
• Default to appropriate @tsconfig/node* configuration based on node and typescript versions (docs) (#1202, #1236, #1313)
• Automatically reference @types/node; use globally-installed @types/node if not locally installed (#1240, #1257)
• Add swc integration and new --transpiler option to use third-party transpilers for a massive speed boost on large codebases (docs) (#779, #1160)
• Add scopeDir API option (docs) (#1155)
• Add projectSearchDir API option (docs) (#1155)
• Add --cwd-mode and ts-node-cwd to resolve config file relative to cwd, not entrypoint script (#1155)

Changed

• [BREAKING] Make --script-mode default behavior; resolve tsconfig relative to entrypoint script instead of cwd (#949, #1197, #1155)
  • In most cases this change will have no noticeable effect
  • Primarily benefits portable shell scripts on your $PATH, because ts-node will respect the script's local tsconfig.json
  • Use --cwd-mode or ts-node-cwd if you need legacy behavior
• [BREAKING] ignore rules evaluate relative to tsconfig.json directory, otherwise cwd (#1155)
• [BREAKING] Remove support for node 10. Minimum supported version is node 12 (#1312)
• Rename --dir to --cwd; rename TS_NODE_DIR to TS_NODE_CWD (#1155)
  • --dir and TS_NODE_DIR are deprecated but still parsed for backwards-compatibility
  • --dir effectively changed the working directory of ts-node; renaming makes this behavior more obvious

Deprecated

• Deprecate TS_NODE_SCOPE (#1155)
• Deprecate --dir and TS_NODE_DIR (#1155)

Removed

• [BREAKING] Internal APIs removed from type declarations (#1242)
  • Removed DEFAULTS, normalizeSlashes, parse, split
  • No features were removed
  • This will only affect consumers of ts-node's programmatic API

Fixed

• [BREAKING] Fix #1229 and #1235: always throw ERR_REQUIRE_ESM when attempting to execute ESM as CJS, even when not using --loader ts-node/esm (#1232)
  • This aligns our behavior with vanilla node
• [BREAKING] Fix #1225: compiler is loaded relative to tsconfig.json instead of entrypoint script (#1155)
  • In most cases this change will have no noticable effect
• Fix #1217: REPL not always using passed stdout and stderr (#1224)
• Fix #1220: ts-node ./index may execute the wrong file extension because tsconfig search poisons the require.resolve cache (#1155)
• Fix #1322: Sourcemaps fail for filenames with spaces or other characters which are percent-encoded in URLs (#1160, #1330)
• Fix #1331: Resolution of node builtin modules in ESM loader fails on node >=12.20.0, <13 (#1332)

Docs

• New documentation website: https://typestrong.org/ts-node
  • README is generated to match the website
  • Added page explaining CommonJS vs ESM
  • Added page with Performance advice
  • Added Troubleshooting page
  • Organized and added to "Recipes" section with third-party tool integrations
  • Added TypeDoc-generated API docs
  • Work was spread across multiple tickets: #1207, #1213, #1221, #1228, #1244, #1250, #1294, #1295, #1296, #1297
  • Thanks to these contributors for PRs which improved our documentation
    • add troubleshooting tip for syntax errors (#1201) @jedwards1211
    • Clarify handling of tsx/jsx file extensions (#1179) @NaridaL
• Added CONTRIBUTING.md to document the codebase and our development workflow

https://github.com/TypeStrong/ts-node/compare/v9.1.1...v10.0.0 https://github.com/TypeStrong/ts-node/milestone/1

No code changes. We re-packed and republished v9.1.1, because the v9.1.0 package was broken due to an npm v7 bug.

Fixes

• Published tarball had extra slashes in the paths of dist files. #1172

Added

• Expose ts-node REPL via the API (#1121) @MarcManiez
• Allow --typeCheck flag to override --transpileOnly flag specified in tsconfig.json (#1142)

Changed

• Rename interface Register to Service. It is still aliased as Register for backwards compatibility (#1158)
• Update code copied from node's ESM resolver to be the latest from node 15, to keep our ESM resolver's behavior as close as possible to vanilla node (#1167)

Fixed

• ESM resolver will preserve search portion of URL, used for cache busting (#1165) @frandiox
• Fix ESM resolution of builtin modules on node >=14.13.1 (#1136)
• Recognize --es-module-specifier-resolution as an alias of --experimental-specifier-resolution for node 12 compatibility (#1122) @nguyensomniac

Docs

• Fix description of ts-node-dev in README (#1131) @iamandrewluca
• Update transformers description to clarify incompatibility with transpileOnly (#1123)

Misc

• Changes to test matrix: Test against node 15; drop node 13 tests; remove 12.16 in favor of latest 12.x.x (#1138, #1148)
• Improve codecov rules to remove misleading test failures (#1159)

https://github.com/TypeStrong/ts-node/compare/v9.0.0...v9.1.0

Breaking changes are labelled [BREAKING] below.

Added

• Throw ERR_REQUIRE_ESM when a file is require()d which should be loaded as ESM (#1031)
• Re-add "exports" declaration to package.json in backwards-compatible way, enabling node --loader ts-node/esm without file extension (#1028)
• Allow specifying "require" option via tsconfig (#925)
• REPL respects node's NODE_NO_READLINE environment variable (#1090)
• Add a transpile-only entrypoint for ESM loader: node --loader ts-node/esm/transpile-only (#1102) @concision

Changed

• [BREAKING] Drops support for node versions < 10 (#1036)

Fixed

• [BREAKING] Re-add realpath, which should fix workflows that use symlinks, such as pnpm, Lerna workspaces, or other mono-repo configurations (#970)
• Compile files within node_modules when --skip-ignore or --ignore options are configured to allow it (#970)
• Fix #884 by not adding all referenced files to getSourceFileNames/rootNames (#999)
• Fix #996: bump projectVersion every time getSourceFileNames changes, avoiding accidentally outdated typechecking (#998)
• Fix #1051: pass transformers object to ts.transpileModule (#1054) @thetutlage
• Fix #1060: use source maps for stack traces in ESM modules (#1087)
• Fix #1072: Respect --experimental-specifier-resolution coming from NODE_OPTIONS in ESM loader (#1085) @evg656e
• Fix #1098: ESM loader should skip .cjs, .mjs, and any unexpected file extensions (#1103) @concision

Docs

• Better explain how to compile imports, either CommonJS or using experimental ESM loader. Resolves #1075 (#1086)

Misc

• Fix, re-enable, and add various tests (#1044, #1088, #1108, #1110, #1109, #1115, #1043, #999)

https://github.com/TypeStrong/ts-node/compare/v8.10.2...v9.0.0

Fixed

Fixes #1037: source maps broken on Windows. (#1038)

Misc

Fix failing tests on node 6 (#1035) Push coverage from Github Actions; remove TravisCI (#1034) Run tests e2e against an npm pack && npm installed ts-node (#1032) Run CI tests on Windows (#1041) Run CI only once per commit on pull requests and master (#1042)

Fix

Fixes #1026: revert the addition of package.json "exports" because it blocked require()s that used to work, for example require('ts-node/register') (#1027)

Added

Experimental support for native ECMAScript modules in node >=13 (#1007, #1010)

Fixed

Fix --interactive / -i flag so it forces REPL even when stdin is not a TTY (#1019)

Fixed

Fix failing tests caused by recent changes to @types/node (#1016) Fix #945: Bump source-map-support dependency to include upstream fix for worker threads error handling (#1015) @addaleax Fix #1004: in --scriptMode, resolve config file relative to realpath of entrypoint script (#1009) Normalized filenames in cache to fix performance issues on Windows (#997) @sylc

Added

Add timestamps to debug logging (#994) @sylc

Docs

Improve coverage of the README (#1000) @KasparEtter Change order of install commands in README (#993) @jacobdcastro Mention ts-node -vv flag in issue template (#1001) Run GHActions tests on pull requests (#1017)

Fixed

• Avoid pushing to rootFileNames with version

Fixed

• Fix --files support be2c899

https://github.com/TypeStrong/ts-node/compare/v8.8.0...v8.8.1

Added

• Add sanitize=true to README for SVGs to work on NPM

Fixed

• Simplify projectVersion++ by incrementing on each file change
• List all files for getScriptFileNames (#985) - revisits the change in https://github.com/TypeStrong/ts-node/issues/884

https://github.com/TypeStrong/ts-node/compare/v8.7.0...v8.8.0

Fixed

• Remove buggy caching of ts.sys.readDirectory (#969)
• Fix REPL ASI handling when user input starts with - (#944)

Added

• Implement LanguageServiceHost::getProjectVersion to workaround microsoft/TypeScript#36748 (#906
• Add ts-node-transpile-only binary (#939) @G-Rath

Changed

• Deprecate ts-script in favor of ts-node-script (#948) @G-Rath

Docs

• Fix bash syntax error in README (#943) @abraj
• Add Github issue templates (#959, #965, #947)
• Add IntelliJ debug instructions to README (#958)
• Add mocha 7 usage example to README (#961)

Fixed

• Downgrade yn due to node engine (#942)

Fixed

• Fix the resolution order of TS_NODE_COMPILER_OPTIONS - closes https://github.com/TypeStrong/ts-node/issues/938

Fixed

• Remove normalize slashes from config file loading for Windows

Added

• Configure using tsconfig.json (#921) @cspotcode 🎉
• Allow dir to be configurable
• Add --build flag for emitting compiled TypeScript (under --compiler-host mode)
• Incremental compiler support (#895)

• Fix relative node_modules ignore 266eaa5

Fixed

• Pass correct diagnostics list in transpile mode (#917) 907e3e1
• Make --ignore relative ea6e1da

Fixed

• Revert --require module loading change

Added

• Expose ts-script for relative tsconfig.json files from <script.ts>
• Support --interactive CLI option
• Expose registered ts-node instance information on process
• Allow dynamic enable of registered ts-node instances
• Allow --dir to be configurable from CLI
• Add --scope flag for directory scoped compilation of TypeScript
• REPL history on node 11+
• Expose create function for programmatic compiler usage

Fixed

• Repeated RegExps in REPL will now compile

Fixed

• Revert "List all files in memory cache improves perf 1.4x" 87a6e2c

Added

• Introduce transformers program support (#879) 12ff53d

Fixed

• Fix prefer TS exts via env variables (#867) b01b629

Added

• Support --prefer-ts-exts flag

Added

• Expand FS cache to all file system operations

Changed

• Pass all files to "root scripts" TypeScript compiler option to improve performance

Fixed

• Remove realpath from TypeScript compiler to support existing use-cases without preserveSymlinks

Added

• Expose --log-error option for logging on TypeScript compilation issues
• Cache file system lookup operations

Changed

• Remove incremental and tsBuildInfoFile compiler options

Added

• Fall back on resolving relative TypeScript packages (normal resolution is from working directory, these two things can be the same in the case of locally installed packages)

Fixed

• Override include property, not includes 🤕

Fixed

• Add missing arg to package.json dependencies

Changed

• Remove JavaScript output cache
• Cleaned up CLI args
  • The -p option must now be -pe since arg does not support optional flag and string at the same time
  • Other CLI options support camel case must now be specified in kebab-case
• Preserve ts-node arguments in execArgv for forked processes to use
• Avoid loading files at the configuration level by default
  • Avoids ts-node REPL taking a long time in a large user directory

Added

• Strip TypeScript composite flag from configuration file

Changed

• Skip loading tsconfig.json files configuration, by default, to improve startup (e.g. files included by includes or files)
  • More info/solution: https://github.com/TypeStrong/ts-node#help-my-types-are-missing

Added

• New flag (--files) can be used to disable loading files from tsconfig.json by default

Fixed

• Correct CLI default flags using environment variables
• Use buffer-from module for old-node.js compatibility

Added

• Awesome new logo to README!

Fixed

• Delete emitDeclarationOnly from configuration to ensure config is valid

Changed

• Use TypeScript error formatting for diagnostic ouput
• Delete declarationMap option from input configuration under ts-node

Fixed

• More places to normalize for Windows to work

Fixed

• Normalize paths for Windows before trying to resolve the project path
• Use Buffer.from instead of deprecated new Buffer

Fixed

• Use Script#runInThisContext via REPL to ensure objects all exist in the same context

Fixed

• Fixed an issue where empty files were not returned to TypeScript, resulting in "not found" compiler issues

Changed

• Add -T short flag for transpile only mode

Many people were having issues with "fast" transpilation being the default over full project type checking like tsc. Type checking the full project upfront is slower but expected behaviour, so it's the default once again. You can still enable transpileOnly or ts-node/register/transpile-only for the faster transpiler without type checking.

Changed

• Default behaviour is typeCheck == true || transpileOnly == false

Fixed

• Ignore TypeScript rootDir errors

Changed

• Remove the sub-process spawning behaviour that introduced issues with 4.x
  • Use node -r ts-node/register for advanced node.js flags such as --inspect
• Drop support for pre-2.0 TypeScript releases
• Use TypeScript to parse tsconfig.json to mirror tsc behaviours
  • Caveat: Must specify full path when using project in 5.x

Fixed

• Fixed issues with CLI and environment variable defaults