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)

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

Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

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This PR has been generated by Renovate Bot.

This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [ts-node](https://typestrong.org/ts-node) ([source](https://github.com/TypeStrong/ts-node)) | devDependencies | minor | [`10.4.0` -> `10.5.0`](https://renovatebot.com/diffs/npm/ts-node/10.4.0/10.5.0) | --- ### Release Notes <details> <summary>TypeStrong/ts-node</summary> ### [`v10.5.0`](https://github.com/TypeStrong/ts-node/releases/v10.5.0) [Compare Source](https://github.com/TypeStrong/ts-node/compare/v10.4.0...v10.5.0)  Questions about this release? Ask in the official discussion thread: [#1634](https://github.com/TypeStrong/ts-node/issues/1634) **Added** - Eliminate "Emit Skipped" errors ([#693](https://github.com/TypeStrong/ts-node/issues/693), [#1345](https://github.com/TypeStrong/ts-node/issues/1345), [#1629](https://github.com/TypeStrong/ts-node/issues/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](https://github.com/TypeStrong/ts-node/issues/693) - Graduate swc transpiler out of experimental; add `swc: true` convenience option ([docs](https://typestrong.org/ts-node/docs/transpilers)) ([#1487](https://github.com/TypeStrong/ts-node/issues/1487), [#1536](https://github.com/TypeStrong/ts-node/issues/1536), [#1613](https://github.com/TypeStrong/ts-node/issues/1613), [#1627](https://github.com/TypeStrong/ts-node/issues/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](https://github.com/TypeStrong/ts-node/issues/1613), [#1627](https://github.com/TypeStrong/ts-node/issues/1627)) - global fallback only occurs when using a global installation of ts-node - Add support for TypeScript's `traceResolution` output ([docs](https://www.typescriptlang.org/tsconfig/#traceResolution)) ([#1128](https://github.com/TypeStrong/ts-node/issues/1128), [#1491](https://github.com/TypeStrong/ts-node/issues/1491)) [@TheUnlocked](https://github.com/TheUnlocked) - Support import assertions in ESM loader ([docs](https://nodejs.org/dist/latest-v17.x/docs/api/esm.html#import-assertions)) ([#1557](https://github.com/TypeStrong/ts-node/issues/1557), [#1558](https://github.com/TypeStrong/ts-node/issues/1558), [#1559](https://github.com/TypeStrong/ts-node/issues/1559), [#1573](https://github.com/TypeStrong/ts-node/issues/1573)) [@Pokute](https://github.com/Pokute), [@geigerzaehler](https://github.com/geigerzaehler) - Allows importing JSON files from ESM with the requisite flag ([docs](https://nodejs.org/dist/latest-v17.x/docs/api/esm.html#json-modules)) - `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](https://github.com/TypeStrong/ts-node/issues/1323), [#1620](https://github.com/TypeStrong/ts-node/issues/1620)) - Add swc target "es2022" ([#1535](https://github.com/TypeStrong/ts-node/issues/1535), [#1540](https://github.com/TypeStrong/ts-node/issues/1540)) - When you have target es2022 in tsconfig, will use swc's es2022 target **Changed** - Initialize TypeScript compiler before starting REPL prompt ([#1498](https://github.com/TypeStrong/ts-node/issues/1498)) [@TheUnlocked](https://github.com/TheUnlocked) - Improves responsiveness for first line of REPL input - Use `v8-compile-cache-lib` to load typescript - improves startup time ([#1339](https://github.com/TypeStrong/ts-node/issues/1339), [#1603](https://github.com/TypeStrong/ts-node/issues/1603)) - Support both `--camelCase` and `--hyphen-case` for all CLI flags; update documentation to use `--camelCase` ([#1598](https://github.com/TypeStrong/ts-node/issues/1598), [#1599](https://github.com/TypeStrong/ts-node/issues/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](https://github.com/TypeStrong/ts-node/issues/1632)) **Fixed** - Fix [#1538](https://github.com/TypeStrong/ts-node/issues/1538): REPL inputs fail to transpile via swc ([#1538](https://github.com/TypeStrong/ts-node/issues/1538), [#1541](https://github.com/TypeStrong/ts-node/issues/1541), [#1602](https://github.com/TypeStrong/ts-node/issues/1602)) - Fix [#1478](https://github.com/TypeStrong/ts-node/issues/1478): REPL erroneously logged `undefined` for all inputs after the first when using swc transpiler ([#1478](https://github.com/TypeStrong/ts-node/issues/1478), [#1580](https://github.com/TypeStrong/ts-node/issues/1580), [#1602](https://github.com/TypeStrong/ts-node/issues/1602)) - Fix [#1389](https://github.com/TypeStrong/ts-node/issues/1389): In `--showConfig` output, emit accurate `moduleTypes` paths resolved relative to the `tsconfig.json` which declared them ([#1389](https://github.com/TypeStrong/ts-node/issues/1389), [#1619](https://github.com/TypeStrong/ts-node/issues/1619)) - Fix: Remove indentation from `ts-node --help` output ([#1597](https://github.com/TypeStrong/ts-node/issues/1597), [#1600](https://github.com/TypeStrong/ts-node/issues/1600)) - Fix [#1425](https://github.com/TypeStrong/ts-node/issues/1425): Merged definitions correctly into `tsconfig.schemastore-schema.json` ([#1425](https://github.com/TypeStrong/ts-node/issues/1425), [#1618](https://github.com/TypeStrong/ts-node/issues/1618)) - Fix: Allow disabling `"use strict"` emit in SWC transpiler ([#1531](https://github.com/TypeStrong/ts-node/issues/1531), [#1537](https://github.com/TypeStrong/ts-node/issues/1537)) - Fix: Add missing `ERR_UNKNOWN_FILE_EXTENSION` constructor; was throwing `ERR_UNKNOWN_FILE_EXTENSION is not a constructor` ([#1562](https://github.com/TypeStrong/ts-node/issues/1562)) [@bluelovers](https://github.com/bluelovers) - Fix [#1565](https://github.com/TypeStrong/ts-node/issues/1565): entrypoint resolution failed on node v12.0.x and v12.1.x ([#1565](https://github.com/TypeStrong/ts-node/issues/1565), [#1566](https://github.com/TypeStrong/ts-node/issues/1566)) [@davidmurdoch](https://github.com/davidmurdoch) #### Docs - Explain `env -S` flag for shebangs ([docs](https://typestrong.org/ts-node/docs/usage#shebang)) ([#1448](https://github.com/TypeStrong/ts-node/issues/1448), [#1545](https://github.com/TypeStrong/ts-node/issues/1545)) [@sheeit](https://github.com/sheeit), [@chee](https://github.com/chee) - Suggest `skipIgnore` when you want to compile files in node_modules ([docs](https://typestrong.org/ts-node/docs/how-it-works)) ([#1553](https://github.com/TypeStrong/ts-node/issues/1553)) [@webstrand](https://github.com/webstrand) - Fix typo in `moduleTypes` on options page ([docs](https://typestrong.org/ts-node/docs/options)) ([#1630](https://github.com/TypeStrong/ts-node/issues/1630), [#1633](https://github.com/TypeStrong/ts-node/issues/1633)) #### Misc - Adds experimental `experimentalResolverFeatures` option, but it does not do anything yet ([#1514](https://github.com/TypeStrong/ts-node/issues/1514), [#1614](https://github.com/TypeStrong/ts-node/issues/1614)) https://github.com/TypeStrong/ts-node/milestone/4 </details> --- ### Configuration 📅 **Schedule**: At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] If you want to rebase/retry this PR, click this checkbox. --- This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).

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