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fix(compiler): make sure language service use updated compiler options #2628

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merged 1 commit into from May 26, 2021

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cexbrayat
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@cexbrayat cexbrayat commented May 26, 2021

Summary

When a file initially exists in compiler file set when TsCompiler is created, later in getCompiledOutput the value of compilerOptions which makes LanguageService is not aware of because _updateMemoryCache checks and sees that the file is the same so projectVersion value is not increased which makes LanguageService uses the outdated _compilerOptions.

This commit adds a comparison via JSON stringify between _compilerOptions and _initialCompilerOptions. If there is a difference, increase projectVersion for LanguageService.

This regression came to light when bumping vue-jest to ts-jest v27.
The tsconfig used has : "module": "es2015", and ts-jest used to compile the files to commonjs anyway.
This is no longer the case when using ts-jest v27.0.0

Closes #2629

Test plan

Added unit test
Green CI

Does this PR introduce a breaking change?

  • Yes
  • No

Other information

N.A.

@ahnpnl
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ahnpnl commented May 26, 2021

projectVersion is bumped when memory cache is updated, not before. Would you please link the issue which is caused by v27?

Would be good to have a reproduce scenario first to see what causes the problem. Bumping projectVersion can cause the whole language service mechanism kicks in, including module resolution, file reading, etc.. in LanguageServiceHost.

@ahnpnl
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ahnpnl commented May 26, 2021

ok the scenario happens when a file already exists in initial compiler file set and initially, module is es2015. Later when LanguageService starts compilation, updateMemoryCache checks and sees that file already exists while compilerOptions is already updated with module: commonjs. LanguageService will then use that module: es2015 to compile which leads to the problem.

The solution I'd say is: at this line https://github.com/kulshekhar/ts-jest/blob/master/src/compiler/ts-compiler.ts#L408 do a check to see if this._compilerOptions vs this._initialCompilerOptions is different. If it is different, simply set shouldIncrementProjectVersion to true.

When a file initially exists in compiler file set when `TsCompiler` is created, later in `getCompiledOutput` the value of `compilerOptions` which makes `LanguageService` is not aware of because `_updateMemoryCache` checks and sees that the file is the same so `projectVersion` value is not increased which makes `LanguageService` uses the outdated `_compilerOptions`.

This commit adds a comparison via JSON stringify between `_compilerOptions` and `_initialCompilerOptions`. If there is a difference, increase `projectVersion` for `LanguageService`.
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coveralls commented May 26, 2021

Pull Request Test Coverage Report for Build 880000634

  • 3 of 3 (100.0%) changed or added relevant lines in 1 file are covered.
  • No unchanged relevant lines lost coverage.
  • Overall coverage increased (+0.02%) to 94.394%

Totals Coverage Status
Change from base Build 878331062: 0.02%
Covered Lines: 1011
Relevant Lines: 1037

💛 - Coveralls

Repository owner deleted a comment from coveralls May 26, 2021
@ahnpnl ahnpnl merged commit 348e30f into kulshekhar:master May 26, 2021
@cexbrayat
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@ahnpnl thank you for your quick response and release (and much better fix 👍).

Vylpes pushed a commit to Vylpes/Droplet that referenced this pull request Sep 14, 2023
This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [ts-jest](https://kulshekhar.github.io/ts-jest) ([source](https://github.com/kulshekhar/ts-jest)) | devDependencies | major | [`^26.5.6` -> `^29.0.0`](https://renovatebot.com/diffs/npm/ts-jest/26.5.6/29.1.0) |

---

### Release Notes

<details>
<summary>kulshekhar/ts-jest</summary>

### [`v29.1.0`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2910-httpsgithubcomkulshekharts-jestcomparev2905v2910-2023-03-26)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v29.0.5...v29.1.0)

##### Features

-   Support TypeScript 5.x ([#&#8203;4064](https://github.com/kulshekhar/ts-jest/issues/4064)) ([db98cc9](https://github.com/kulshekhar/ts-jest/commit/87f27821db99be411288b50a4f9baa7bedb98cc9)), closes [#&#8203;4048](https://github.com/kulshekhar/ts-jest/issues/4048)

#### [29.0.5](https://github.com/kulshekhar/ts-jest/compare/v29.0.4...v29.0.5) (2023-01-13)

##### Reverts

-   Revert "fix(transformer): don't use cache when `tsJestConfig` is different ([#&#8203;3966](https://github.com/kulshekhar/ts-jest/issues/3966))" ([185eb18](https://github.com/kulshekhar/ts-jest/commit/185eb189d7076c717a107066817d2d6959a8fe39)), closes [#&#8203;3966](https://github.com/kulshekhar/ts-jest/issues/3966)

#### [29.0.4](https://github.com/kulshekhar/ts-jest/compare/v29.0.3...v29.0.4) (2023-01-10)

##### Bug Fixes

-   **transformer:** don't use cache when `tsJestConfig` is different ([#&#8203;3966](https://github.com/kulshekhar/ts-jest/issues/3966)) ([a445638](https://github.com/kulshekhar/ts-jest/commit/a445638ca631911e8ab1a896ffdfcd21506ce71a))
-   bump `json5` to `2.2.3` ([#&#8203;3976](https://github.com/kulshekhar/ts-jest/pull/3976))([b9f7809](https://github.com/kulshekhar/ts-jest/commit/b9f7809948309f92534aeba63f3ffb01cb7dc536))

#### [29.0.3](https://github.com/kulshekhar/ts-jest/compare/v29.0.2...v29.0.3) (2022-09-28)

##### Bug Fixes

-   merge config from `globals` with transformer config correctly ([#&#8203;3842](https://github.com/kulshekhar/ts-jest/issues/3842)) ([9c9fd60](https://github.com/kulshekhar/ts-jest/commit/9c9fd6097aea36a6e8b06b0e8841df22896f9121)), closes [#&#8203;3841](https://github.com/kulshekhar/ts-jest/issues/3841)
-   **presets:** allow merging transform config when using presets ([#&#8203;3833](https://github.com/kulshekhar/ts-jest/issues/3833)) ([afc6a94](https://github.com/kulshekhar/ts-jest/commit/afc6a948b17c2dc22be51b1a9475a0f6ecbbc372))

##### Features

-   add `useESM` option to `pathsToModuleNameMapper` options ([#&#8203;3792](https://github.com/kulshekhar/ts-jest/issues/3792)) ([eabe906](https://github.com/kulshekhar/ts-jest/commit/eabe906e1dd6b132a7b0d05ffc13172cd8a6b73b))

#### [29.0.2](https://github.com/kulshekhar/ts-jest/compare/v29.0.1...v29.0.2) (2022-09-23)

##### Bug Fixes

-   mark `ts-jest` as optional in `ConfigGlobals` ([#&#8203;3816](https://github.com/kulshekhar/ts-jest/issues/3816)) ([cbb88bb](https://github.com/kulshekhar/ts-jest/commit/cbb88bba34dbb852d8f4013be6e020769feb306d)), closes [#&#8203;3815](https://github.com/kulshekhar/ts-jest/issues/3815)
-   use correct typings for `config:init` command ([#&#8203;3825](https://github.com/kulshekhar/ts-jest/issues/3825)) ([21b94db](https://github.com/kulshekhar/ts-jest/commit/21b94dbca25b762f79e63b92dea12d830f444570))

#### [29.0.2](https://github.com/kulshekhar/ts-jest/compare/v29.0.1...v29.0.2) (2022-09-22)

##### Bug Fixes

-   mark `ts-jest` as optional in `ConfigGlobals` ([#&#8203;3816](https://github.com/kulshekhar/ts-jest/issues/3816)) ([cbb88bb](https://github.com/kulshekhar/ts-jest/commit/cbb88bba34dbb852d8f4013be6e020769feb306d)), closes [#&#8203;3815](https://github.com/kulshekhar/ts-jest/issues/3815)

#### [29.0.1](https://github.com/kulshekhar/ts-jest/compare/v29.0.0...v29.0.1) (2022-09-13)

##### Bug Fixes

-   **legacy:** include existing globals config in cached config ([#&#8203;3803](https://github.com/kulshekhar/ts-jest/issues/3803)) ([e79be47](https://github.com/kulshekhar/ts-jest/commit/e79be47d2b81a677d0dd39d84328a38ca0f0ffc6))

##### Features

-   add typings for `ts-jest` options via `transform` config ([#&#8203;3805](https://github.com/kulshekhar/ts-jest/issues/3805)) ([664b0f2](https://github.com/kulshekhar/ts-jest/commit/664b0f2b446a36dd7661f4840ca3dd7722f1f6ff))

### [`v29.0.5`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2905-httpsgithubcomkulshekharts-jestcomparev2904v2905-2023-01-13)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v29.0.4...v29.0.5)

##### Reverts

-   Revert "fix(transformer): don't use cache when `tsJestConfig` is different ([#&#8203;3966](https://github.com/kulshekhar/ts-jest/issues/3966))" ([185eb18](https://github.com/kulshekhar/ts-jest/commit/185eb189d7076c717a107066817d2d6959a8fe39)), closes [#&#8203;3966](https://github.com/kulshekhar/ts-jest/issues/3966)

### [`v29.0.4`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2904-httpsgithubcomkulshekharts-jestcomparev2903v2904-2023-01-10)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v29.0.3...v29.0.4)

##### Bug Fixes

-   **transformer:** don't use cache when `tsJestConfig` is different ([#&#8203;3966](https://github.com/kulshekhar/ts-jest/issues/3966)) ([a445638](https://github.com/kulshekhar/ts-jest/commit/a445638ca631911e8ab1a896ffdfcd21506ce71a))
-   bump `json5` to `2.2.3` ([#&#8203;3976](https://github.com/kulshekhar/ts-jest/pull/3976))([b9f7809](https://github.com/kulshekhar/ts-jest/commit/b9f7809948309f92534aeba63f3ffb01cb7dc536))

### [`v29.0.3`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2903-httpsgithubcomkulshekharts-jestcomparev2902v2903-2022-09-28)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v29.0.2...v29.0.3)

##### Bug Fixes

-   merge config from `globals` with transformer config correctly ([#&#8203;3842](https://github.com/kulshekhar/ts-jest/issues/3842)) ([9c9fd60](https://github.com/kulshekhar/ts-jest/commit/9c9fd6097aea36a6e8b06b0e8841df22896f9121)), closes [#&#8203;3841](https://github.com/kulshekhar/ts-jest/issues/3841)
-   **presets:** allow merging transform config when using presets ([#&#8203;3833](https://github.com/kulshekhar/ts-jest/issues/3833)) ([afc6a94](https://github.com/kulshekhar/ts-jest/commit/afc6a948b17c2dc22be51b1a9475a0f6ecbbc372))

##### Features

-   add `useESM` option to `pathsToModuleNameMapper` options ([#&#8203;3792](https://github.com/kulshekhar/ts-jest/issues/3792)) ([eabe906](https://github.com/kulshekhar/ts-jest/commit/eabe906e1dd6b132a7b0d05ffc13172cd8a6b73b))

### [`v29.0.2`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2902-httpsgithubcomkulshekharts-jestcomparev2901v2902-2022-09-23)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v29.0.1...v29.0.2)

##### Bug Fixes

-   mark `ts-jest` as optional in `ConfigGlobals` ([#&#8203;3816](https://github.com/kulshekhar/ts-jest/issues/3816)) ([cbb88bb](https://github.com/kulshekhar/ts-jest/commit/cbb88bba34dbb852d8f4013be6e020769feb306d)), closes [#&#8203;3815](https://github.com/kulshekhar/ts-jest/issues/3815)
-   use correct typings for `config:init` command ([#&#8203;3825](https://github.com/kulshekhar/ts-jest/issues/3825)) ([21b94db](https://github.com/kulshekhar/ts-jest/commit/21b94dbca25b762f79e63b92dea12d830f444570))

### [`v29.0.1`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2901-httpsgithubcomkulshekharts-jestcomparev2900v2901-2022-09-13)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v29.0.0...v29.0.1)

##### Bug Fixes

-   **legacy:** include existing globals config in cached config ([#&#8203;3803](https://github.com/kulshekhar/ts-jest/issues/3803)) ([e79be47](https://github.com/kulshekhar/ts-jest/commit/e79be47d2b81a677d0dd39d84328a38ca0f0ffc6))

##### Features

-   add typings for `ts-jest` options via `transform` config ([#&#8203;3805](https://github.com/kulshekhar/ts-jest/issues/3805)) ([664b0f2](https://github.com/kulshekhar/ts-jest/commit/664b0f2b446a36dd7661f4840ca3dd7722f1f6ff))

### [`v29.0.0`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2900-httpsgithubcomkulshekharts-jestcomparev2900-next1v2900-2022-09-08)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v28.0.8...v29.0.0)

##### Features

-   drop Node 12 and Node 17 support ([#&#8203;3787](https://github.com/kulshekhar/ts-jest/issues/3787)) ([0f1de16](https://github.com/kulshekhar/ts-jest/commit/0f1de16608dcc7a8ab00bf7fd6a01ebcec6a210a))
-   migrate globals config to transformer config ([#&#8203;3780](https://github.com/kulshekhar/ts-jest/issues/3780)) ([31e5843](https://github.com/kulshekhar/ts-jest/commit/31e584355434c4fc96022f9e8b41f04c11d24343))
-   support Jest 29 ([#&#8203;3767](https://github.com/kulshekhar/ts-jest/issues/3767)) ([94b553b](https://github.com/kulshekhar/ts-jest/commit/94b553ba085c52db60f7a7078e3a74d9a02121b1))

##### DEPRECATIONS

-   Define `ts-jest` config under `globals` is now deprecated. Please define the config via transformer config instead.

##### BREAKING CHANGES

-   Only Node 14, 16 and 18 are supported
-   **Jest 29** is required.

### [`v28.0.8`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2808-httpsgithubcomkulshekharts-jestcomparev2807v2808-2022-08-14)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v28.0.7...v28.0.8)

##### Bug Fixes

-   allow `.mts` to be processed ([#&#8203;3713](https://github.com/kulshekhar/ts-jest/issues/3713)) ([effae71](https://github.com/kulshekhar/ts-jest/commit/effae717369860e16cb0ccbf24027651493b9bf1)), closes [#&#8203;3702](https://github.com/kulshekhar/ts-jest/issues/3702)

### [`v28.0.7`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2807-httpsgithubcomkulshekharts-jestcomparev2806v2807-2022-07-15)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v28.0.6...v28.0.7)

##### Bug Fixes

-   update `@jest/types` to be an optional peer dependency ([#&#8203;3690](https://github.com/kulshekhar/ts-jest/issues/3690)) ([8a8c3fa](https://github.com/kulshekhar/ts-jest/commit/8a8c3fafecffd19380171c661e94246024cae2ff)), closes [#&#8203;3689](https://github.com/kulshekhar/ts-jest/issues/3689)

### [`v28.0.6`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2806-httpsgithubcomkulshekharts-jestcomparev2805v2806-2022-07-13)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v28.0.5...v28.0.6)

##### Bug Fixes

-   **config:** don't show diagnostics warning with `diagnostics: false` ([#&#8203;3647](https://github.com/kulshekhar/ts-jest/issues/3647)) ([9a9bc02](https://github.com/kulshekhar/ts-jest/commit/9a9bc02935968fb5eb9fd3614a1f7cce019b80d8)), closes [#&#8203;3638](https://github.com/kulshekhar/ts-jest/issues/3638)
-   **legacy:** add `useCaseSensitiveFileNames` wherever needed ([#&#8203;3683](https://github.com/kulshekhar/ts-jest/issues/3683)) ([c40bc34](https://github.com/kulshekhar/ts-jest/commit/c40bc34625d63cccc0db7296e616af27868fe1fe)), closes [#&#8203;3665](https://github.com/kulshekhar/ts-jest/issues/3665)
-   set `@jest/types` as peer dependency ([#&#8203;3633](https://github.com/kulshekhar/ts-jest/issues/3633)) ([24567e1](https://github.com/kulshekhar/ts-jest/commit/24567e13d2780ad8a11c7ff35f9151ec53f8c211))

### [`v28.0.5`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2805-httpsgithubcomkulshekharts-jestcomparev2804v2805-2022-06-11)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v28.0.4...v28.0.5)

##### Bug Fixes

-   **legacy:** throw type check error in ESM mode with `reject` ([#&#8203;3618](https://github.com/kulshekhar/ts-jest/issues/3618)) ([7dd01ff](https://github.com/kulshekhar/ts-jest/commit/7dd01ffe0c7ad3add87b11227964544f2586355a)), closes [#&#8203;3507](https://github.com/kulshekhar/ts-jest/issues/3507)

### [`v28.0.4`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2804-httpsgithubcomkulshekharts-jestcomparev2803v2804-2022-06-02)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v28.0.3...v28.0.4)

##### Bug Fixes

-   remove `@types/jest` from peer deps ([#&#8203;3592](https://github.com/kulshekhar/ts-jest/issues/3592)) ([b66b656](https://github.com/kulshekhar/ts-jest/commit/b66b656e0f29eea9234a4d1e883c6d249437f03c))

### [`v28.0.3`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2803-httpsgithubcomkulshekharts-jestcomparev2802v2803-2022-05-23)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v28.0.2...v28.0.3)

##### Bug Fixes

-   **security:** update version of `json5` ([#&#8203;3528](https://github.com/kulshekhar/ts-jest/issues/3528)) ([b31f5ba](https://github.com/kulshekhar/ts-jest/commit/b31f5bab142466fd8b6157ec03eff7316584e51d))

### [`v28.0.2`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2802-httpsgithubcomkulshekharts-jestcomparev2801v2802-2022-05-07)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v28.0.1...v28.0.2)

##### Bug Fixes

-   **transformers:** use `Array.sort` in hoisting transformer ([#&#8203;3498](https://github.com/kulshekhar/ts-jest/issues/3498)) ([e400a6e](https://github.com/kulshekhar/ts-jest/commit/e400a6ec0e4706f606ae9b1e2897b0bb1cff6343)), closes [#&#8203;3476](https://github.com/kulshekhar/ts-jest/issues/3476)

### [`v28.0.1`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2801-httpsgithubcomkulshekharts-jestcomparev2800v2801-2022-05-03)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v28.0.0...v28.0.1)

##### Bug Fixes

-   lower the required node version to ^16.10 ([#&#8203;3495](https://github.com/kulshekhar/ts-jest/issues/3495)) ([3a4e48a](https://github.com/kulshekhar/ts-jest/commit/3a4e48afffa56f76efb98f48ad3e07a92731748e)), closes [#&#8203;3494](https://github.com/kulshekhar/ts-jest/issues/3494)

### [`v28.0.0`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2800-httpsgithubcomkulshekharts-jestcomparev2800-next3v2800-2022-05-02)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.1.5...v28.0.0)

##### Bug Fixes

-   **legacy** invoke Babel `processAsync` for `babel-jest` in ESM mode instead of `process` ([#&#8203;3430](https://github.com/kulshekhar/ts-jest/issues/3430)) ([0d7356c](https://github.com/kulshekhar/ts-jest/commit/0d7356cd767a924e5b57e3a93679eef4ca8fae51))

##### Features

-   **presets:** add presets for legacy mode ([#&#8203;3465](https://github.com/kulshekhar/ts-jest/issues/3465)) ([543b4ad](https://github.com/kulshekhar/ts-jest/commit/543b4ad729d20fbd46a2de5cd4660dc50b94ebe7))
-   mark `ConfigSet` as legacy ([#&#8203;3456](https://github.com/kulshekhar/ts-jest/issues/3456)) ([a986729](https://github.com/kulshekhar/ts-jest/commit/a98672977a679d1ed882605a3e71ed405432ffdc))
-   mark `TsCompiler` and `TsJestCompiler` as legacy ([#&#8203;3457](https://github.com/kulshekhar/ts-jest/issues/3457)) ([0f2fe30](https://github.com/kulshekhar/ts-jest/commit/0f2fe306762d8549bd29737becd4aed14a650427))
-   remove `path-mapping` AST transformer ([#&#8203;3455](https://github.com/kulshekhar/ts-jest/issues/3455)) ([f566869](https://github.com/kulshekhar/ts-jest/commit/f5668698f8fab78b3008d936aa5001f134f530e2))
-   set Jest peer dependencies to v28 ([#&#8203;3454](https://github.com/kulshekhar/ts-jest/issues/3454)) ([1e880ff](https://github.com/kulshekhar/ts-jest/commit/1e880fffe82bca231d1d23f6508f4ab4bc31e03e))
-   **core:** drop support for Node.js 10 ([#&#8203;3332](https://github.com/kulshekhar/ts-jest/issues/3332)) ([7a9aa61](https://github.com/kulshekhar/ts-jest/commit/7a9aa615ea0be881105676a17d5bd655afdc27f5))
-   **core:** remove `mocked` testing util ([#&#8203;3333](https://github.com/kulshekhar/ts-jest/issues/3333)) ([2d9017d](https://github.com/kulshekhar/ts-jest/commit/2d9017ddfea39f45aa991876b314d1dbe4a36aad))
-   **core:** remove `ts-jest/utils` sub path export ([#&#8203;3334](https://github.com/kulshekhar/ts-jest/issues/3334)) ([9f253d3](https://github.com/kulshekhar/ts-jest/commit/9f253d31dfcefa35ae00049d0d2dc4a3fe1b2f34))
-   mark `TsJestTransformer` as legacy ([#&#8203;3451](https://github.com/kulshekhar/ts-jest/issues/3451)) ([b090179](https://github.com/kulshekhar/ts-jest/commit/b0901799adc519959a954dba5e7b8fc8b97a9665))

##### BREAKING CHANGES

-   `path-mapping` AST transformer is no longer shipped in `ts-jest` v28. Please use an alternative one like https://github.com/LeDDGroup/typescript-transform-paths instead.
-   Any imports `ts-jest/dist/compiler/ts-compiler` should change to `ts-jest/dist/legacy/compiler/ts-compiler`
-   Any imports `ts-jest/dist/compiler/ts-jest-compiler` should change to `ts-jest/dist/legacy/compiler/ts-jest-compiler`
-   Any imports `ts-jest/dist/config/config-set` should change to `ts-jest/dist/legacy/config/config-set`
-   Minimum support `TypeScript` version is now **4.3** since Jest 28 requires it.
-   **Jest 28** is required.
-   **core:** Any imports `ts-jest/utils` should be replaced with `ts-jest`.
-   **core:** Starting from Jest 27.4, `mocked` has been integrated into Jest repo.
-   **core:** Support for Node.js v10 has been removed as Jest drops support for it.

#### [27.1.5](https://github.com/kulshekhar/ts-jest/compare/v27.1.3...v27.1.4) (2022-05-17)

##### Bug Fixes

-   **transformers** use `Array.sort` in hoisting transformer ([#&#8203;3498](https://github.com/kulshekhar/ts-jest/pull/3498)) ([e400a6e](https://github.com/kulshekhar/ts-jest/commit/e400a6ec0e4706f606ae9b1e2897b0bb1cff6343)), fixes [#&#8203;3476](https://github.com/kulshekhar/ts-jest/issues/3476)

#### [27.1.4](https://github.com/kulshekhar/ts-jest/compare/v27.1.3...v27.1.4) (2022-03-24)

##### Bug Fixes

-   **compiler:** revert [#&#8203;3194](https://github.com/kulshekhar/ts-jest/issues/3194) ([#&#8203;3362](https://github.com/kulshekhar/ts-jest/issues/3362)) ([2b7dffe](https://github.com/kulshekhar/ts-jest/commit/2b7dffeac940f779922c43cefba3f741a3911b49)), closes [#&#8203;3272](https://github.com/kulshekhar/ts-jest/issues/3272)
-   remove `esbuild` from peer dependency ([#&#8203;3360](https://github.com/kulshekhar/ts-jest/issues/3360)) ([8c8c1ca](https://github.com/kulshekhar/ts-jest/commit/8c8c1ca615b1edeedc9f4282557c28e82acee543)), closes [#&#8203;3346](https://github.com/kulshekhar/ts-jest/issues/3346)
-   support Babel config file with `.cjs` extension ([#&#8203;3361](https://github.com/kulshekhar/ts-jest/issues/3361)) ([5e5ac4a](https://github.com/kulshekhar/ts-jest/commit/5e5ac4ac286bdcce157d0bdc31f3a57202fdbdfe)), closes [#&#8203;3335](https://github.com/kulshekhar/ts-jest/issues/3335)

#### [27.1.3](https://github.com/kulshekhar/ts-jest/compare/v27.1.2...v27.1.3) (2022-01-14)

##### Bug Fixes

-   **compiler:** update memory cache for compiler using received file content ([#&#8203;3194](https://github.com/kulshekhar/ts-jest/issues/3194)) ([e4d9541](https://github.com/kulshekhar/ts-jest/commit/e4d9541f262ca14cb25563c757c0f2345dbf5c51))

#### [27.1.2](https://github.com/kulshekhar/ts-jest/compare/v27.1.1...v27.1.2) (2021-12-15)

##### Bug Fixes

-   stimulate `esbuild` type to avoid importing `esbuild` directly ([#&#8203;3147](https://github.com/kulshekhar/ts-jest/issues/3147)) ([9ace0a9](https://github.com/kulshekhar/ts-jest/commit/9ace0a9991da8bcb0f04a2e603f7601d6fb630e7))

#### [27.1.1](https://github.com/kulshekhar/ts-jest/compare/v27.1.0...v27.1.1) (2021-12-07)

##### Bug Fixes

-   bring back `afterProcess` hook ([#&#8203;3132](https://github.com/kulshekhar/ts-jest/issues/3132)) ([2b6b86e](https://github.com/kulshekhar/ts-jest/commit/2b6b86e01dcd3d9d9906f24fe3db5cadb799146a))
-   make `esbuild` as optional peer dependency ([#&#8203;3129](https://github.com/kulshekhar/ts-jest/pull/3129)) ([20258de](https://github.com/kulshekhar/ts-jest/commit/20258de54c9c10f8d2495bda174f9865a3cebc91))

### [`v27.1.5`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2715-httpsgithubcomkulshekharts-jestcomparev2713v2714-2022-05-17)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.1.4...v27.1.5)

##### Bug Fixes

-   **transformers** use `Array.sort` in hoisting transformer ([#&#8203;3498](https://github.com/kulshekhar/ts-jest/pull/3498)) ([e400a6e](https://github.com/kulshekhar/ts-jest/commit/e400a6ec0e4706f606ae9b1e2897b0bb1cff6343)), fixes [#&#8203;3476](https://github.com/kulshekhar/ts-jest/issues/3476)

### [`v27.1.4`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2714-httpsgithubcomkulshekharts-jestcomparev2713v2714-2022-03-24)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.1.3...v27.1.4)

##### Bug Fixes

-   **compiler:** revert [#&#8203;3194](https://github.com/kulshekhar/ts-jest/issues/3194) ([#&#8203;3362](https://github.com/kulshekhar/ts-jest/issues/3362)) ([2b7dffe](https://github.com/kulshekhar/ts-jest/commit/2b7dffeac940f779922c43cefba3f741a3911b49)), closes [#&#8203;3272](https://github.com/kulshekhar/ts-jest/issues/3272)
-   remove `esbuild` from peer dependency ([#&#8203;3360](https://github.com/kulshekhar/ts-jest/issues/3360)) ([8c8c1ca](https://github.com/kulshekhar/ts-jest/commit/8c8c1ca615b1edeedc9f4282557c28e82acee543)), closes [#&#8203;3346](https://github.com/kulshekhar/ts-jest/issues/3346)
-   support Babel config file with `.cjs` extension ([#&#8203;3361](https://github.com/kulshekhar/ts-jest/issues/3361)) ([5e5ac4a](https://github.com/kulshekhar/ts-jest/commit/5e5ac4ac286bdcce157d0bdc31f3a57202fdbdfe)), closes [#&#8203;3335](https://github.com/kulshekhar/ts-jest/issues/3335)

### [`v27.1.3`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2713-httpsgithubcomkulshekharts-jestcomparev2712v2713-2022-01-14)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.1.2...v27.1.3)

##### Bug Fixes

-   **compiler:** update memory cache for compiler using received file content ([#&#8203;3194](https://github.com/kulshekhar/ts-jest/issues/3194)) ([e4d9541](https://github.com/kulshekhar/ts-jest/commit/e4d9541f262ca14cb25563c757c0f2345dbf5c51))

### [`v27.1.2`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2712-httpsgithubcomkulshekharts-jestcomparev2711v2712-2021-12-15)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.1.1...v27.1.2)

##### Bug Fixes

-   stimulate `esbuild` type to avoid importing `esbuild` directly ([#&#8203;3147](https://github.com/kulshekhar/ts-jest/issues/3147)) ([9ace0a9](https://github.com/kulshekhar/ts-jest/commit/9ace0a9991da8bcb0f04a2e603f7601d6fb630e7))

### [`v27.1.1`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2711-httpsgithubcomkulshekharts-jestcomparev2710v2711-2021-12-07)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.1.0...v27.1.1)

##### Bug Fixes

-   bring back `afterProcess` hook ([#&#8203;3132](https://github.com/kulshekhar/ts-jest/issues/3132)) ([2b6b86e](https://github.com/kulshekhar/ts-jest/commit/2b6b86e01dcd3d9d9906f24fe3db5cadb799146a))
-   make `esbuild` as optional peer dependency ([#&#8203;3129](https://github.com/kulshekhar/ts-jest/pull/3129)) ([20258de](https://github.com/kulshekhar/ts-jest/commit/20258de54c9c10f8d2495bda174f9865a3cebc91))

### [`v27.1.0`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2710-httpsgithubcomkulshekharts-jestcomparev2707v2710-2021-11-30)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.0.7...v27.1.0)

##### Features

-   allow subclasses to extend `processAsync` and `getCacheKeyAsync` ([#&#8203;3047](https://github.com/kulshekhar/ts-jest/issues/3047)) ([571a880](https://github.com/kulshekhar/ts-jest/commit/571a880007642c9dcbcd7bf109c5392e7eb78cc4))
-   **config:** support custom AST transformers written in TypeScript ([#&#8203;3063](https://github.com/kulshekhar/ts-jest/issues/3063)) ([340a305](https://github.com/kulshekhar/ts-jest/commit/340a30573e5ff92df77c94af51c371ce4bf956e7)), closes [#&#8203;2831](https://github.com/kulshekhar/ts-jest/issues/2831)
-   export `ts-jest` public apis from `index.js` ([#&#8203;3080](https://github.com/kulshekhar/ts-jest/issues/3080)) ([53175dd](https://github.com/kulshekhar/ts-jest/commit/53175dd04218bf22ead464e30aa01b258c87e7af)), closes [#&#8203;3045](https://github.com/kulshekhar/ts-jest/issues/3045)

##### Code Refactoring

-   **utils:** deprecate `mocked` util function ([#&#8203;3102](https://github.com/kulshekhar/ts-jest/issues/3102)) ([55e69f1](https://github.com/kulshekhar/ts-jest/commit/55e69f12f65d678962c3087fca7673992f5f1b26))
-   define clear type for `compiler` option ([#&#8203;3087](https://github.com/kulshekhar/ts-jest/issues/3087)) ([cc42daf](https://github.com/kulshekhar/ts-jest/commit/cc42daf795585887664be59956d2c52244237bda))
-   **transformers**: deprecate `path-mapping` AST transformer ([#&#8203;3088](https://github.com/kulshekhar/ts-jest/issues/3088)) ([d8f6b96](https://github.com/kulshekhar/ts-jest/commit/d8f6b9624ee76a164aa7003720cd3f83fc6c4865))
-   **transformers**: use ts `factory` API for `hoisting` AST transformer ([#&#8203;3058](https://github.com/kulshekhar/ts-jest/issues/3058)) ([a72f51d](https://github.com/kulshekhar/ts-jest/commit/a72f51d9b7c4ea2866e486c0aac4f4706c3ed542))

#### DEPRECATIONS

-   **transformers**: `path-mapping` AST transformer is deprecated and will be removed in **v28.0.0**. One should use an alternative one like https://github.com/LeDDGroup/typescript-transform-paths instead.
-   **utils**: `mocked` function is deprecated and will be removed in **v28.0.0**. The function has been integrated into `jest-mock` package as a part of Jest **27.4.0**, see https://github.com/facebook/jest/pull/12089. One should use the one from Jest instead

#### [27.0.7](https://github.com/kulshekhar/ts-jest/compare/v27.0.6...v27.0.7) (2021-10-16)

##### Bug Fixes

-   correct `lodash` import ([#&#8203;2978](https://github.com/kulshekhar/ts-jest/issues/2978)) ([8b60679](https://github.com/kulshekhar/ts-jest/commit/8b60679574eb60a3c8109ffd389b64b86a167e72)), closes [#&#8203;2977](https://github.com/kulshekhar/ts-jest/issues/2977)

#### [27.0.6](https://github.com/kulshekhar/ts-jest/compare/v27.0.5...v27.0.6) (2021-10-14)

##### Bug Fixes

-   use specific `lodash` package instead of full package `lodash` ([#&#8203;2959](https://github.com/kulshekhar/ts-jest/issues/2959)) ([dc89fe5](https://github.com/kulshekhar/ts-jest/commit/dc89fe55f2b77da76443f827fe3055f07cf4809c)), closes [#&#8203;2954](https://github.com/kulshekhar/ts-jest/issues/2954)

#### [27.0.5](https://github.com/kulshekhar/ts-jest/compare/v27.0.4...v27.0.5) (2021-08-14)

##### Bug Fixes

-   **cli:** add migration `tsConfig` option for `ts-jest` config options ([#&#8203;2794](https://github.com/kulshekhar/ts-jest/issues/2794)) ([781710b](https://github.com/kulshekhar/ts-jest/commit/781710bf6b84853fffbb02543062a726fe1ad9c2)), closes [#&#8203;2764](https://github.com/kulshekhar/ts-jest/issues/2764)
-   **cli:** fix `config:init` genarate invalid type comment ([#&#8203;2773](https://github.com/kulshekhar/ts-jest/issues/2773)) ([ede8a20](https://github.com/kulshekhar/ts-jest/commit/ede8a2061e20b717c0d56e4d81a3cd0ec7db8b1a)), closes [#&#8203;2772](https://github.com/kulshekhar/ts-jest/issues/2772)
-   **config:** handle  `./` in tsconfig `paths` for `pathsToModuleNameMapper`  ([#&#8203;2797](https://github.com/kulshekhar/ts-jest/issues/2797)) ([42ff5e4](https://github.com/kulshekhar/ts-jest/commit/42ff5e469fb5d315b92e85eee105e5a040949c01)), closes [#&#8203;2709](https://github.com/kulshekhar/ts-jest/issues/2709)

##### Code Refactoring

-   use native `Buffer.from` and `mkdird` ([#&#8203;2774](https://github.com/kulshekhar/ts-jest/issues/2774)) ([4869660](https://github.com/kulshekhar/ts-jest/commit/4869660e3917deb063745c5acaf079123d6d2ca8))

#### [27.0.4](https://github.com/kulshekhar/ts-jest/compare/v27.0.3...v27.0.4) (2021-07-21)

##### Bug Fixes

-   add `@types/jest` as optional `peerDependencies` to solve yarn 2 ([#&#8203;2756](https://github.com/kulshekhar/ts-jest/issues/2756)) ([5fbf43e](https://github.com/kulshekhar/ts-jest/commit/5fbf43e64691d5146add1da4690a14b3095c4234))
-   add `babel-jest` as optional `peerDependencies` to solve yarn 2 ([#&#8203;2751](https://github.com/kulshekhar/ts-jest/issues/2751)) ([8bede2e](https://github.com/kulshekhar/ts-jest/commit/8bede2e57546a18999b96871069f1f94a3ecf3c1))
-   **config:** include AST transformer's `name` and `version` into cache key ([#&#8203;2755](https://github.com/kulshekhar/ts-jest/issues/2755)) ([310fb9a](https://github.com/kulshekhar/ts-jest/commit/310fb9a1d7b40a8274d6fb93745e66a6da891a75)), closes [#&#8203;2753](https://github.com/kulshekhar/ts-jest/issues/2753)

##### Features

-   link jest config types on `npx ts-jest:init` ([#&#8203;2742](https://github.com/kulshekhar/ts-jest/issues/2742)) ([f51ba05](https://github.com/kulshekhar/ts-jest/commit/f51ba0507568ba8a5dece48c159d7857a2ed61d6))
-   set env var `TS_JEST` to allow detecting of `ts-jest` ([#&#8203;2717](https://github.com/kulshekhar/ts-jest/issues/2717)) ([56c137a](https://github.com/kulshekhar/ts-jest/commit/56c137a3c1906f49cb0b9e044fa8e233707cbaa4)), closes [#&#8203;2716](https://github.com/kulshekhar/ts-jest/issues/2716)

#### [27.0.3](https://github.com/kulshekhar/ts-jest/compare/v27.0.2...v27.0.3) (2021-06-06)

##### Bug Fixes

-   revert `exports` field to support all node versions ([#&#8203;2658](https://github.com/kulshekhar/ts-jest/issues/2658)) ([132c8ba](https://github.com/kulshekhar/ts-jest/commit/132c8ba85c3e61b7d9ede0dc9730580b79618ab7))

##### Features

-   emit ESM codes if using ESM mode with Babel ([#&#8203;2661](https://github.com/kulshekhar/ts-jest/issues/2661)) ([9b55404](https://github.com/kulshekhar/ts-jest/commit/9b55404a8dfc760238e19786da98a2edf043b9da)), closes [#&#8203;2650](https://github.com/kulshekhar/ts-jest/issues/2650)

#### [27.0.2](https://github.com/kulshekhar/ts-jest/compare/v27.0.1...v27.0.2) (2021-05-30)

##### Bug Fixes

-   **compiler:** add empty string file content to compiler cache ([#&#8203;2633](https://github.com/kulshekhar/ts-jest/issues/2633)) ([0feb556](https://github.com/kulshekhar/ts-jest/commit/0feb5560a588f87d1d989bf521859fba0fda20fe)), closes [#&#8203;2625](https://github.com/kulshekhar/ts-jest/issues/2625)
-   **config:** `exclude` should only exclude files which match glob values ([#&#8203;2637](https://github.com/kulshekhar/ts-jest/issues/2637)) ([c5ce979](https://github.com/kulshekhar/ts-jest/commit/c5ce97902c1b84dc354f270a4f596a6f5f634611)), closes [#&#8203;2634](https://github.com/kulshekhar/ts-jest/issues/2634)

#### [27.0.1](https://github.com/kulshekhar/ts-jest/compare/v27.0.0...v27.0.1) (2021-05-26)

##### Bug Fixes

-   **cli:** keep `testMatch` if old jest config contains it ([#&#8203;2618](https://github.com/kulshekhar/ts-jest/issues/2618)) ([c568f49](https://github.com/kulshekhar/ts-jest/commit/c568f49907fb5559ba1e8c67f1ec5d5eb4af920a)), closes [#&#8203;2616](https://github.com/kulshekhar/ts-jest/issues/2616)
-   **compiler:** make sure `isolatedModules: false` use updated compiler options ([#&#8203;2628](https://github.com/kulshekhar/ts-jest/issues/2628)) ([348e30f](https://github.com/kulshekhar/ts-jest/commit/348e30f426803efc51ecba26ab42619938fcb5af)), closes [#&#8203;2629](https://github.com/kulshekhar/ts-jest/issues/2629)
-   add missing export `presets` ([#&#8203;2624](https://github.com/kulshekhar/ts-jest/issues/2624)) ([0ea025e](https://github.com/kulshekhar/ts-jest/commit/0ea025ebb456d3a31671e31fac0b401c2734a2b1)), closes [#&#8203;2623](https://github.com/kulshekhar/ts-jest/issues/2623)

### [`v27.0.7`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2707-httpsgithubcomkulshekharts-jestcomparev2706v2707-2021-10-16)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.0.6...v27.0.7)

##### Bug Fixes

-   correct `lodash` import ([#&#8203;2978](https://github.com/kulshekhar/ts-jest/issues/2978)) ([8b60679](https://github.com/kulshekhar/ts-jest/commit/8b60679574eb60a3c8109ffd389b64b86a167e72)), closes [#&#8203;2977](https://github.com/kulshekhar/ts-jest/issues/2977)

### [`v27.0.6`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2706-httpsgithubcomkulshekharts-jestcomparev2705v2706-2021-10-14)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.0.5...v27.0.6)

##### Bug Fixes

-   use specific `lodash` package instead of full package `lodash` ([#&#8203;2959](https://github.com/kulshekhar/ts-jest/issues/2959)) ([dc89fe5](https://github.com/kulshekhar/ts-jest/commit/dc89fe55f2b77da76443f827fe3055f07cf4809c)), closes [#&#8203;2954](https://github.com/kulshekhar/ts-jest/issues/2954)

### [`v27.0.5`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2705-httpsgithubcomkulshekharts-jestcomparev2704v2705-2021-08-14)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.0.4...v27.0.5)

##### Bug Fixes

-   **cli:** add migration `tsConfig` option for `ts-jest` config options ([#&#8203;2794](https://github.com/kulshekhar/ts-jest/issues/2794)) ([781710b](https://github.com/kulshekhar/ts-jest/commit/781710bf6b84853fffbb02543062a726fe1ad9c2)), closes [#&#8203;2764](https://github.com/kulshekhar/ts-jest/issues/2764)
-   **cli:** fix `config:init` genarate invalid type comment ([#&#8203;2773](https://github.com/kulshekhar/ts-jest/issues/2773)) ([ede8a20](https://github.com/kulshekhar/ts-jest/commit/ede8a2061e20b717c0d56e4d81a3cd0ec7db8b1a)), closes [#&#8203;2772](https://github.com/kulshekhar/ts-jest/issues/2772)
-   **config:** handle  `./` in tsconfig `paths` for `pathsToModuleNameMapper`  ([#&#8203;2797](https://github.com/kulshekhar/ts-jest/issues/2797)) ([42ff5e4](https://github.com/kulshekhar/ts-jest/commit/42ff5e469fb5d315b92e85eee105e5a040949c01)), closes [#&#8203;2709](https://github.com/kulshekhar/ts-jest/issues/2709)

##### Code Refactoring

-   use native `Buffer.from` and `mkdird` ([#&#8203;2774](https://github.com/kulshekhar/ts-jest/issues/2774)) ([4869660](https://github.com/kulshekhar/ts-jest/commit/4869660e3917deb063745c5acaf079123d6d2ca8))

### [`v27.0.4`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2704-httpsgithubcomkulshekharts-jestcomparev2703v2704-2021-07-21)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.0.3...v27.0.4)

##### Bug Fixes

-   add `@types/jest` as optional `peerDependencies` to solve yarn 2 ([#&#8203;2756](https://github.com/kulshekhar/ts-jest/issues/2756)) ([5fbf43e](https://github.com/kulshekhar/ts-jest/commit/5fbf43e64691d5146add1da4690a14b3095c4234))
-   add `babel-jest` as optional `peerDependencies` to solve yarn 2 ([#&#8203;2751](https://github.com/kulshekhar/ts-jest/issues/2751)) ([8bede2e](https://github.com/kulshekhar/ts-jest/commit/8bede2e57546a18999b96871069f1f94a3ecf3c1))
-   **config:** include AST transformer's `name` and `version` into cache key ([#&#8203;2755](https://github.com/kulshekhar/ts-jest/issues/2755)) ([310fb9a](https://github.com/kulshekhar/ts-jest/commit/310fb9a1d7b40a8274d6fb93745e66a6da891a75)), closes [#&#8203;2753](https://github.com/kulshekhar/ts-jest/issues/2753)

##### Features

-   link jest config types on `npx ts-jest:init` ([#&#8203;2742](https://github.com/kulshekhar/ts-jest/issues/2742)) ([f51ba05](https://github.com/kulshekhar/ts-jest/commit/f51ba0507568ba8a5dece48c159d7857a2ed61d6))
-   set env var `TS_JEST` to allow detecting of `ts-jest` ([#&#8203;2717](https://github.com/kulshekhar/ts-jest/issues/2717)) ([56c137a](https://github.com/kulshekhar/ts-jest/commit/56c137a3c1906f49cb0b9e044fa8e233707cbaa4)), closes [#&#8203;2716](https://github.com/kulshekhar/ts-jest/issues/2716)

### [`v27.0.3`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2703-httpsgithubcomkulshekharts-jestcomparev2702v2703-2021-06-06)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.0.2...v27.0.3)

##### Bug Fixes

-   revert `exports` field to support all node versions ([#&#8203;2658](https://github.com/kulshekhar/ts-jest/issues/2658)) ([132c8ba](https://github.com/kulshekhar/ts-jest/commit/132c8ba85c3e61b7d9ede0dc9730580b79618ab7))

##### Features

-   emit ESM codes if using ESM mode with Babel ([#&#8203;2661](https://github.com/kulshekhar/ts-jest/issues/2661)) ([9b55404](https://github.com/kulshekhar/ts-jest/commit/9b55404a8dfc760238e19786da98a2edf043b9da)), closes [#&#8203;2650](https://github.com/kulshekhar/ts-jest/issues/2650)

### [`v27.0.2`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2702-httpsgithubcomkulshekharts-jestcomparev2701v2702-2021-05-30)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.0.1...v27.0.2)

##### Bug Fixes

-   **compiler:** add empty string file content to compiler cache ([#&#8203;2633](https://github.com/kulshekhar/ts-jest/issues/2633)) ([0feb556](https://github.com/kulshekhar/ts-jest/commit/0feb5560a588f87d1d989bf521859fba0fda20fe)), closes [#&#8203;2625](https://github.com/kulshekhar/ts-jest/issues/2625)
-   **config:** `exclude` should only exclude files which match glob values ([#&#8203;2637](https://github.com/kulshekhar/ts-jest/issues/2637)) ([c5ce979](https://github.com/kulshekhar/ts-jest/commit/c5ce97902c1b84dc354f270a4f596a6f5f634611)), closes [#&#8203;2634](https://github.com/kulshekhar/ts-jest/issues/2634)

### [`v27.0.1`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2701-httpsgithubcomkulshekharts-jestcomparev2700v2701-2021-05-26)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v27.0.0...v27.0.1)

##### Bug Fixes

-   **cli:** keep `testMatch` if old jest config contains it ([#&#8203;2618](https://github.com/kulshekhar/ts-jest/issues/2618)) ([c568f49](https://github.com/kulshekhar/ts-jest/commit/c568f49907fb5559ba1e8c67f1ec5d5eb4af920a)), closes [#&#8203;2616](https://github.com/kulshekhar/ts-jest/issues/2616)
-   **compiler:** make sure `isolatedModules: false` use updated compiler options ([#&#8203;2628](https://github.com/kulshekhar/ts-jest/issues/2628)) ([348e30f](https://github.com/kulshekhar/ts-jest/commit/348e30f426803efc51ecba26ab42619938fcb5af)), closes [#&#8203;2629](https://github.com/kulshekhar/ts-jest/issues/2629)
-   add missing export `presets` ([#&#8203;2624](https://github.com/kulshekhar/ts-jest/issues/2624)) ([0ea025e](https://github.com/kulshekhar/ts-jest/commit/0ea025ebb456d3a31671e31fac0b401c2734a2b1)), closes [#&#8203;2623](https://github.com/kulshekhar/ts-jest/issues/2623)

### [`v27.0.0`](https://github.com/kulshekhar/ts-jest/blob/HEAD/CHANGELOG.md#&#8203;2700-httpsgithubcomkulshekharts-jestcomparev2656v2700-2021-05-25)

[Compare Source](https://github.com/kulshekhar/ts-jest/compare/v26.5.6...v27.0.0)

##### Bug Fixes

-   **compiler:** return file content on emitSkipped for non ts/tsx files ([#&#8203;2519](https://github.com/kulshekhar/ts-jest/issues/2519)) ([a4e5640](https://github.com/kulshekhar/ts-jest/commit/a4e5640f54a7810c9b7aba32663ce4a53893d22f)), closes [#&#8203;2513](https://github.com/kulshekhar/ts-jest/issues/2513)
-   **compiler:** retype check other files if processing file is used by those ones in watch mode ([#&#8203;2481](https://github.com/kulshekhar/ts-jest/issues/2481)) ([ac8f3d0](https://github.com/kulshekhar/ts-jest/commit/ac8f3d025de67bfc2708a8422ee657fc42455513)), closes [#&#8203;943](https://github.com/kulshekhar/ts-jest/issues/943)
-   **compiler:** initialize compiler with `.ts`/`.tsx`/`.d.ts` files only ([#&#8203;2458](https://github.com/kulshekhar/ts-jest/issues/2458)) ([a89f0e2](https://github.com/kulshekhar/ts-jest/commit/a89f0e2061e01440337dde4134639ff6a2d69936)), closes [#&#8203;2445](https://github.com/kulshekhar/ts-jest/issues/2445)
-   **compiler:** resolve nested imported modules for each processing file ([#&#8203;2436](https://github.com/kulshekhar/ts-jest/issues/2436)) ([3cb9019](https://github.com/kulshekhar/ts-jest/commit/3cb9019289bb64deecffaf52e840faf6a4656092)), closes [#&#8203;1390](https://github.com/kulshekhar/ts-jest/issues/1390) [#&#8203;1747](https://github.com/kulshekhar/ts-jest/issues/1747)
-   **config:** create fallback jest config when jest config is `undefined` ([#&#8203;2433](https://github.com/kulshekhar/ts-jest/issues/2433)) ([c6d6e4c](https://github.com/kulshekhar/ts-jest/commit/c6d6e4cd534e1c368fcb7141784ee43584525ca4)), closes [#&#8203;2085](https://github.com/kulshekhar/ts-jest/issues/2085)
-   remove `@types/jest` from direct dep ([#&#8203;2409](https://github.com/kulshekhar/ts-jest/issues/2409)) ([8913120](https://github.com/kulshekhar/ts-jest/commit/89131203c358c8f9e89655800e500a9e88a17334)), closes [#&#8203;2406](https://github.com/kulshekhar/ts-jest/issues/2406) [#&#8203;2411](https://github.com/kulshekhar/ts-jest/issues/2411)
-   **compiler:** return original file content and show warning on emit skip ([#&#8203;2410](https://github.com/kulshekhar/ts-jest/issues/2410)) ([c2b2164](https://github.com/kulshekhar/ts-jest/commit/c2b2164ddd1e606fc2490326244a6efc63f6c4a0)), closes [#&#8203;2407](https://github.com/kulshekhar/ts-jest/issues/2407)
-   **compiler:** type check correctly in watch mode when a file content itself has changed ([#&#8203;2405](https://github.com/kulshekhar/ts-jest/issues/2405)) ([064bf3a](https://github.com/kulshekhar/ts-jest/commit/064bf3a73e9a304aa9366d27db8973b68be23ffd)), closes [#&#8203;2118](https://github.com/kulshekhar/ts-jest/issues/2118)
-   **compiler:** exclude files in `outDir` from compiler source files ([#&#8203;2375](https://github.com/kulshekhar/ts-jest/issues/2375)) ([ec68c74](https://github.com/kulshekhar/ts-jest/commit/ec68c74bccf56d682a7ed9e5c48ea676dcf3fbf9)), closes [#&#8203;2350](https://github.com/kulshekhar/ts-jest/issues/2350) [#&#8203;2374](https://github.com/kulshekhar/ts-jest/issues/2374)
-   **config:** cache config and compiler correctly between runs ([#&#8203;2356](https://github.com/kulshekhar/ts-jest/issues/2356)) ([5f91336](https://github.com/kulshekhar/ts-jest/commit/5f91336b9023da1051cc85b509ad02c525679fcb))
-   **config:** improve emit skipped error message ([#&#8203;2358](https://github.com/kulshekhar/ts-jest/issues/2358)) ([2ae8df4](https://github.com/kulshekhar/ts-jest/commit/2ae8df4515d6f6e975e57719a89184b5583f9e2f)), closes [#&#8203;2350](https://github.com/kulshekhar/ts-jest/issues/2350)
-   **typings:** set correct typing for `tsconfig` option ([#&#8203;2383](https://github.com/kulshekhar/ts-jest/issues/2383)) ([584324a](https://github.com/kulshekhar/ts-jest/commit/584324a60c0784275e9bf8bcfd0814735a250d24)), closes [#&#8203;2368](https://github.com/kulshekhar/ts-jest/issues/2368)
-   **config:** invalidate Jest transform cache when `astTransformers` value changes ([#&#8203;2345](https://github.com/kulshekhar/ts-jest/issues/2345)) ([d726016](https://github.com/kulshekhar/ts-jest/commit/d726016a17a26215fad782cf57bb9b9bec807307))
-   reduce size of `node_modules` when adding `ts-jest` ([#&#8203;2263](https://github.com/kulshekhar/ts-jest/issues/2263)) ([8e0675c](https://github.com/kulshekhar/ts-jest/commit/8e0675c02b6095af6656df50c8782c01ad9e87a3))

##### Features

-   **config:** allow disable sourcemap ([#&#8203;2544](https://github.com/kulshekhar/ts-jest/issues/2544)) ([47da6ad](https://github.com/kulshekhar/ts-jest/commit/47da6ada5089e58e9bc68ce8e9bc9e17aaa127ae))
-   **compiler:** expose `TsCompiler` as public api ([#&#8203;2344](https://github.com/kulshekhar/ts-jest/issues/2344)) ([871cd6a](https://github.com/kulshekhar/ts-jest/commit/871cd6a3abb10569a04d05f72bbb41c952665ed4))
-   **config:** support typed config options for jest config typescript ([#&#8203;2335](https://github.com/kulshekhar/ts-jest/issues/2335)) ([3cfc37b](https://github.com/kulshekhar/ts-jest/commit/3cfc37b1eba125fe861cea0415095dbe1f538520))
-   **presets:** add typing for `presets` entry point ([#&#8203;2337](https://github.com/kulshekhar/ts-jest/issues/2337)) ([1a3058f](https://github.com/kulshekhar/ts-jest/commit/1a3058f3b7f8a2e377cb6a7e829cea310a06d4fa))
-   **compiler:** allow custom transformers to access internal `Program` ([#&#8203;2299](https://github.com/kulshekhar/ts-jest/issues/2299)) ([387964f](https://github.com/kulshekhar/ts-jest/commit/387964faed14ce24d2cf8170a04eee244d69b8b9))
-   **config:** replace `pathRegex` with `exclude` ([#&#8203;2295](https://github.com/kulshekhar/ts-jest/issues/2295)) ([f2f99c3](https://github.com/kulshekhar/ts-jest/commit/f2f99c3a46ac18a1fd6cc98922329b71a7e8c4e8))
-   **config:** type checking `js` files based on `checkJs` ([#&#8203;2283](https://github.com/kulshekhar/ts-jest/issues/2283)) ([1e04433](https://github.com/kulshekhar/ts-jest/commit/1e044335a38907ff5c06eb43efeb2e5fd9769a0c))
-   **compiler:** support ESM for `isolatedModules: false` ([#&#8203;2269](https://github.com/kulshekhar/ts-jest/issues/2269)) ([9bb0c05](https://github.com/kulshekhar/ts-jest/commit/9bb0c054a3a7bd8949b0c12b2bb42348f69e2e2e)), closes [#&#8203;1709](https://github.com/kulshekhar/ts-jest/issues/1709)
-   **compiler:** support ESM for `isolatedModule: true` ([#&#8203;2219](https://github.com/kulshekhar/ts-jest/issues/2219)) ([e101db0](https://github.com/kulshekhar/ts-jest/commit/e101db01095ce75ce9a48e27a1d9bf84bb8e19ee)), closes [#&#8203;1709](https://github.com/kulshekhar/ts-jest/issues/1709)
-   **presets:** add 3 new presets to work with ESM ([#&#8203;2207](https://github.com/kulshekhar/ts-jest/issues/2207)) ([c277858](https://github.com/kulshekhar/ts-jest/commit/c277858c7820d8873c2d7d0c6e3704a47868d600))
-   allow subclasses of `TsJestTransformer` to have version checking ([#&#8203;2176](https://github.com/kulshekhar/ts-jest/issues/2176)) ([ca8d7c4](https://github.com/kulshekhar/ts-jest/commit/ca8d7c44779105ef208d17cdd8c6baaf96b479ad))

##### Performance Improvements

-   reuse jest file system cache for `isolatedModules: false` ([#&#8203;2189](https://github.com/kulshekhar/ts-jest/issues/2189)) ([68f446b](https://github.com/kulshekhar/ts-jest/commit/68f446b8351bb8925ac4822aa631aa6b23f2f711))

##### Code Refactoring

-   **config:** remove support for `astTransformers` string array ([#&#8203;2129](https://github.com/kulshekhar/ts-jest/issues/2129)) ([1e0b2ce](https://github.com/kulshekhar/ts-jest/commit/1e0b2ce5599a35c108712456e455bf29c8c5fd24))
-   **config:** remove support for `packageJson` option ([#&#8203;2128](https://github.com/kulshekhar/ts-jest/issues/2128)) ([05916b9](https://github.com/kulshekhar/ts-jest/commit/05916b920160da5b43a20b47025eea43b4a1a5c3))
-   move jest transformer class to package entry ([#&#8203;2122](https://github.com/kulshekhar/ts-jest/issues/2122)) ([5bbfd06](https://github.com/kulshekhar/ts-jest/commit/5bbfd06a0c114dbecd75b763bcfa76d4a6203ab1))
-   **config:** remove support for `tsConfig` option ([#&#8203;2127](https://github.com/kulshekhar/ts-jest/issues/2127)) ([3cc9b80](https://github.com/kulshekhar/ts-jest/commit/3cc9b806be2b2096b981253d39ca40df65bb0f7b))

#### BREAKING CHANGES

-   By default, `ts-jest` will use `sourceMap` option from your `tsconfig`. If users want to have sourcemap on, they need to set `sourceMap: true` in `tsconfig`.
-   follow Jest support Node engines ([#&#8203;2478](https://github.com/kulshekhar/ts-jest/pull/2478)) ([1fecf7f](https://github.com/kulshekhar/ts-jest/commit/1fecf7ff92a5f1a0cc6ea1d27026f9f54a3d5ead))
-   add `exports` field to `package.json`, see https://nodejs.org/api/packages.html#packages_package_entry_points ([#&#8203;2467](https://github.com/kulshekhar/ts-jest/pull/2467)) ([d3aba3e](https://github.com/kulshekhar/ts-jest/commit/d3aba3e103f85b3a42d0e2ecaea9d3457917319e))
-   `ts-jest` custom AST transformer function signature has changed to

<!---->

    import type { TsCompilerInstance } from 'ts-jest/dist/types'

    export function factory(compilerInstance: TsCompilerInstance) {
       //...
    }

-   One is currently using `pathRegex` should use `exclude` with `glob` patterns.
-   If one currently relies on type check for `js` files, please set `checkJs: true` in your tsconfig.
-   Now both `isolatedModules: true` and `isolatedModule: false` codes are in one single class `TsCompiler` which is an instance created in `TsJestCompiler` based on config option `compiler` with value `typescript` or `ttypescript`.
-   **config:** `packageJson` config option is not used in internal `ts-jest` so this option is now removed.
-   **config:** One is defining ast transformers in `jest.config.js`/`package.json` should change to

<!---->

    // jest.config.js
    module.exports = {
       //...
       globals: {
          'ts-jest': {
             astTransformers: {
               before: ['your_before_transformer_path'],
               after: ['your_after_transformer_path'],
               afterDeclarations: ['your_afterDeclarations_transformer_path'],
             }
          }
       }
    }

or

    // package.json
    {
      "jest": {
         "globals": {
            "ts-jest": {
               "astTransformers": {
                  "before": ["your_before_transformer_path"],
                  "after": ["your_after_transformer_path"],
                  "afterDeclarations": ["your_afterDeclarations_transformer_path"]
               }
            }
         }
      }
    }

-   One currently refers type in `jest.config.js`

<!---->

    /** @&#8203;typedef {import('ts-jest')} */
    module.exports = {
      //...
    }

should change to

    /** @&#8203;typedef {import('ts-jest/dist/types')} */
    module.exports = {
      //...
    }

-   Remove possibilities to import `mocked`, `createJestPreset`, `pathsToModuleNameMapper` from package entry. One should change to

<!---->

    import { mocked, createJestPreset, pathsToModuleNameMapper } from 'ts-jest/utils'

-   **config:** One currently uses `tsConfig` should change to `tsconfig` in your `jest.config.js` or `package.json`.

#### [26.5.6](https://github.com/kulshekhar/ts-jest/compare/v26.5.5...v26.5.6) (2021-05-05)

##### Code Refactoring

-   refactor(config): show warning message for `sourceMap: false` ([#&#8203;2557](https://github.com/kulshekhar/ts-jest/pull/2557)) ([cf60990](https://github.com/kulshekhar/ts-jest/commit/cf609900e2c5937755123bd08ca2c5f2ff5e0651)).

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - 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.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNC43NC4yIiwidXBkYXRlZEluVmVyIjoiMzQuNzQuMiJ9-->

Co-authored-by: Renovate Bot <renovate@vylpes.com>
Reviewed-on: https://gitea.vylpes.xyz/RabbitLabs/Droplet/pulls/110
Reviewed-by: Vylpes <ethan@vylpes.com>
Co-authored-by: RenovateBot <renovate@vylpes.com>
Co-committed-by: RenovateBot <renovate@vylpes.com>
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After upgrading to ts-jest 27: SyntaxError: Cannot use import statement outside a module
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