Chore: Update ts-jest to v26.5.6 [skip netlify]

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
ts-jest (source)	26.5.5 -> 26.5.6

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Release Notes

kulshekhar/ts-jest (ts-jest)

v26.5.6

Compare Source

Bug Fixes

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

Features

• config: allow disable sourcemap (#​2544) (47da6ad)
• compiler: expose TsCompiler as public api (#​2344) (871cd6a)
• config: support typed config options for jest config typescript (#​2335) (3cfc37b)
• presets: add typing for presets entry point (#​2337) (1a3058f)
• compiler: allow custom transformers to access internal Program (#​2299) (387964f)
• config: replace pathRegex with exclude (#​2295) (f2f99c3)
• config: type checking js files based on checkJs (#​2283) (1e04433)
• compiler: support ESM for isolatedModules: false (#​2269) (9bb0c05), closes #​1709
• compiler: support ESM for isolatedModule: true (#​2219) (e101db0), closes #​1709
• presets: add 3 new presets to work with ESM (#​2207) (c277858)
• allow subclasses of TsJestTransformer to have version checking (#​2176) (ca8d7c4)

Performance Improvements

• reuse jest file system cache for isolatedModules: false (#​2189) (68f446b)

Code Refactoring

• config: remove support for astTransformers string array (#​2129) (1e0b2ce)
• config: remove support for packageJson option (#​2128) (05916b9)
• move jest transformer class to package entry (#​2122) (5bbfd06)
• config: remove support for tsConfig option (#​2127) (3cc9b80)

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 (#​2478) (1fecf7f)
• add exports field to package.json, see https://nodejs.org/api/packages.html#packages_package_entry_points (#​2467) (d3aba3e)
• 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

/** @​typedef {import('ts-jest')} */
module.exports = {
  //...
}

should change to

/** @​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 (2021-05-05)

Code Refactoring

• refactor(config): show warning message for sourceMap: false (#​2557) (cf60990).

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