refactor(config): remove support for packageJson option (#2128)

BREAKING CHANGE:
`packageJson` config option is not used in internal `ts-jest` so this option is now removed

docs/user/config/index.md

@@ -213,7 +213,6 @@ All options have default values which should fit most of the projects. Click on
 | [**`diagnostics`**][diagnostics] | [Diagnostics related configuration.][diagnostics] | `boolean`\|`object` | _enabled_ |
 | [**`babelConfig`**][babelConfig] | [Babel(Jest) related configuration.][babelConfig] | `boolean`\|`string`\|`object` | _disabled_ |
 | [**`stringifyContentPathRegex`**][stringifyContentPathRegex] | [Files which will become modules returning self content.][stringifyContentPathRegex] | `string`\|`RegExp` | _disabled_ |
-| [**`packageJson`**][packageJson] | [Package metadata.][packageJson] | `string`\|`object`\|`boolean` | _auto_ |
 
 ## Version checking
 
@@ -267,4 +266,3 @@ npx ts-jest config:migrate package.json
 [diagnostics]: diagnostics
 [babelConfig]: babelConfig
 [stringifyContentPathRegex]: stringifyContentPathRegex
-[packageJson]: packageJson

e2e/__tests__/__snapshots__/logger.test.ts.snap

@@ -127,63 +127,6 @@ Array [
 ]
 `;
 
-exports[`ts-jest logging deprecation warning with packageJson config should pass using template "default" 1`] = `
-  √ jest
-  ↳ exit code: 0
-  ===[ STDOUT ]===================================================================
-  
-  ===[ STDERR ]===================================================================
-  ts-jest[config] (WARN) The option \`packageJson\` is deprecated and will be removed in ts-jest 27. This option is not used by internal \`ts-jest\`
-  PASS ./Hello.spec.ts
-    Hello Class
-      √ should create a new Hello
-  
-  Test Suites: 1 passed, 1 total
-  Tests:       1 passed, 1 total
-  Snapshots:   0 total
-  Time:        XXs
-  Ran all test suites.
-  ================================================================================
-`;
-
-exports[`ts-jest logging deprecation warning with packageJson config should pass using template "with-babel-7" 1`] = `
-  √ jest
-  ↳ exit code: 0
-  ===[ STDOUT ]===================================================================
-  
-  ===[ STDERR ]===================================================================
-  ts-jest[config] (WARN) The option \`packageJson\` is deprecated and will be removed in ts-jest 27. This option is not used by internal \`ts-jest\`
-  PASS ./Hello.spec.ts
-    Hello Class
-      √ should create a new Hello
-  
-  Test Suites: 1 passed, 1 total
-  Tests:       1 passed, 1 total
-  Snapshots:   0 total
-  Time:        XXs
-  Ran all test suites.
-  ================================================================================
-`;
-
-exports[`ts-jest logging deprecation warning with packageJson config should pass using template "with-babel-7-string-config" 1`] = `
-  √ jest
-  ↳ exit code: 0
-  ===[ STDOUT ]===================================================================
-  
-  ===[ STDERR ]===================================================================
-  ts-jest[config] (WARN) The option \`packageJson\` is deprecated and will be removed in ts-jest 27. This option is not used by internal \`ts-jest\`
-  PASS ./Hello.spec.ts
-    Hello Class
-      √ should create a new Hello
-  
-  Test Suites: 1 passed, 1 total
-  Tests:       1 passed, 1 total
-  Snapshots:   0 total
-  Time:        XXs
-  Ran all test suites.
-  ================================================================================
-`;
-
 exports[`ts-jest logging with unsupported version test with TS_JEST_DISABLE_VER_CHECKER is not set in process.env should pass using template "with-unsupported-version" 1`] = `
   √ jest
   ↳ exit code: 0

e2e/__tests__/logger.test.ts

@@ -1,7 +1,7 @@
 import { LogContexts, LogLevels } from 'bs-logger'
 import { existsSync } from 'fs'
 
-import { PackageSets, allValidPackageSets, allPackageSetsWithPreset } from '../__helpers__/templates'
+import { PackageSets, allValidPackageSets } from '../__helpers__/templates'
 import { configureTestCase } from '../__helpers__/test-case'
 
 describe('ts-jest logging', () => {
@@ -90,22 +90,4 @@ describe('ts-jest logging', () => {
       })
     })
   }
-
-  describe('deprecation warning', () => {
-    describe('with packageJson config', () => {
-      const testCase = configureTestCase('simple', {
-        tsJestConfig: {
-          packageJson: true,
-        }
-      })
-
-      testCase.runWithTemplates(allPackageSetsWithPreset, 0, (runTest, { testLabel }) => {
-        it(testLabel, () => {
-          const result = runTest()
-          expect(result.status).toBe(0)
-          expect(result).toMatchSnapshot()
-        })
-      })
-    })
-  })
 })

src/config/config-set.spec.ts

@@ -1,6 +1,6 @@
 /* eslint-disable jest/no-mocks-import */
 import type { Transformer } from '@jest/transform'
-import { LogLevels, testing } from 'bs-logger'
+import { testing } from 'bs-logger'
 import { join, resolve } from 'path'
 import ts from 'typescript'
 
@@ -29,28 +29,6 @@ beforeEach(() => {
   jest.clearAllMocks()
 })
 
-describe('packageJson', () => {
-  it('should not contain packageJson in final tsJest config', () => {
-    const logger = testing.createLoggerMock()
-    createConfigSet({
-      jestConfig: {
-        globals: {
-          'ts-jest': {
-            packageJson: true,
-          },
-        },
-      } as any,
-      resolve: null,
-      logger,
-    })
-
-    expect(logger.target.filteredLines(LogLevels.warn)[0]).toMatchInlineSnapshot(`
-      "[level:40] The option \`packageJson\` is deprecated and will be removed in ts-jest 27. This option is not used by internal \`ts-jest\`
-      "
-    `)
-  })
-}) // packageJson
-
 describe('parsedTsConfig', () => {
   const get = (tsJest?: TsJestGlobalOptions) => createConfigSet({ tsJestConfig: tsJest }).parsedTsConfig
 

src/config/config-set.ts

@@ -41,7 +41,7 @@ import { importer } from '../utils/importer'
 import { stringify } from '../utils/json'
 import { rootLogger } from '../utils/logger'
 import { Memoize } from '../utils/memoize'
-import { Deprecations, Errors, ImportReasons, interpolate } from '../utils/messages'
+import { Errors, ImportReasons, interpolate } from '../utils/messages'
 import { normalizeSlashes } from '../utils/normalize-slashes'
 import { sha1 } from '../utils/sha1'
 import { TSError } from '../utils/ts-error'
@@ -206,10 +206,6 @@ export class ConfigSet {
    * @internal
    */
   private _setupTsJestCfg(options: TsJestGlobalOptions): void {
-    if (options.packageJson) {
-      this.logger.warn(Deprecations.PackageJson)
-    }
-
     // babel config (for babel-jest) default is undefined so we don't need to have fallback like tsConfig
     if (!options.babelConfig) {
       this.logger.debug('babel is disabled')

src/types.ts

@@ -56,16 +56,6 @@ export interface TsJestGlobalOptions {
    */
   tsconfig?: boolean | string | _ts.CompilerOptions
 
-  /**
-   * packageJson. It can be:
-   * - `true` (or `undefined`, it's the default): use default package.json file
-   * - `path/to/package.json`: path to a specific package.json file (<rootDir> can be used)
-   * - `{...}`: contents of a package.json
-   *
-   * @default undefined uses the default package.json file
-   */
-  packageJson?: boolean | string | Record<string, unknown>
-
   /**
    * Compiles files as isolated modules (disables some features and type-checking)
    *