feat(config): introduce exclude to exclude files from diagnostics (#…

…2308)

DEPRECATION
`pathRegex` is deprecated in favor of `exclude`

src/__helpers__/fakers.ts

@@ -4,7 +4,7 @@ import { resolve } from 'path'
 
 import { createCompilerInstance } from '../compiler/instance'
 import { ConfigSet } from '../config/config-set'
-import type { BabelConfig, TsCompiler, TsJestConfig, TsJestGlobalOptions } from '../types'
+import type { BabelConfig, TsCompiler, TsJestGlobalOptions } from '../types'
 import type { ImportReasons } from '../utils/messages'
 
 export function filePath(relPath: string): string {
@@ -13,18 +13,8 @@ export function filePath(relPath: string): string {
 
 export const rootDir = filePath('')
 
-export function tsJestConfig(options?: Partial<TsJestConfig>): TsJestConfig {
-  return {
-    isolatedModules: false,
-    compiler: 'typescript',
-    transformers: options?.transformers ?? Object.create(null),
-    babelConfig: undefined,
-    tsConfig: undefined,
-    stringifyContentPathRegex: undefined,
-    diagnostics: { ignoreCodes: [], pretty: false, throws: true },
-    ...options,
-  }
-}
+const defaultTestRegex = ['(/__tests__/.*|(\\\\.|/)(test|spec))\\\\.[jt]sx?$']
+const defaultTestMatch = ['**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[jt]s?(x)']
 
 function getJestConfig<T extends Config.ProjectConfig>(
   options?: Partial<Config.InitialOptions | Config.ProjectConfig>,
@@ -68,7 +58,15 @@ export function createConfigSet({
   resolve?: ((path: string) => string) | null
   [key: string]: any
 } = {}): ConfigSet {
-  const cs = new ConfigSet(getJestConfig(jestConfig, tsJestConfig), logger)
+  const jestCfg = getJestConfig(jestConfig, tsJestConfig)
+  const cs = new ConfigSet(
+    {
+      ...jestCfg,
+      testMatch: jestConfig?.testMatch ? [...jestConfig.testMatch, ...defaultTestMatch] : defaultTestMatch,
+      testRegex: jestConfig?.testRegex ? [...jestConfig.testRegex, ...defaultTestRegex] : defaultTestRegex,
+    },
+    logger,
+  )
   if (resolve) {
     cs.resolvePath = resolve
   }
@@ -94,12 +92,10 @@ export function makeCompiler({
     ...(tsJestConfig.diagnostics as any),
     pretty: false,
   }
-  const defaultTestRegex = ['(/__tests__/.*|(\\\\.|/)(test|spec))\\\\.[jt]sx?$']
-  const defaultTestMatch = ['**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[jt]s?(x)']
   jestConfig = {
     ...jestConfig,
     testMatch: jestConfig?.testMatch ? [...jestConfig.testMatch, ...defaultTestMatch] : defaultTestMatch,
-    testRegex: jestConfig?.testRegex ? [...defaultTestRegex, ...jestConfig.testRegex] : defaultTestRegex,
+    testRegex: jestConfig?.testRegex ? [...jestConfig.testRegex, ...defaultTestRegex] : defaultTestRegex,
   }
   const cs = createConfigSet({ jestConfig, tsJestConfig, parentConfig, resolve: null })
 

src/compiler/__snapshots__/transpiler.spec.ts.snap

@@ -1,8 +1,8 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`Transpiler diagnostics should report diagnostics related to codes with pathRegex config is undefined 1`] = `"foo.ts(2,23): error TS1005: '=>' expected."`;
+exports[`Transpiler diagnostics should report diagnostics related to codes with exclude config matches file name 1`] = `"foo.ts(2,23): error TS1005: '=>' expected."`;
 
-exports[`Transpiler diagnostics should report diagnostics related to codes with pathRegex config matches file name 1`] = `"foo.ts(2,23): error TS1005: '=>' expected."`;
+exports[`Transpiler diagnostics should report diagnostics related to codes with pathRegex config is undefined 1`] = `"foo.ts(2,23): error TS1005: '=>' expected."`;
 
 exports[`Transpiler jsx option should compile tsx file for jsx preserve 1`] = `
   ===[ FILE: foo.tsx ]============================================================

src/compiler/language-service.spec.ts

@@ -259,7 +259,7 @@ describe('Language service', () => {
       const compiler = makeCompiler({
         tsJestConfig: {
           ...baseTsJestConfig,
-          diagnostics: { pathRegex: 'foo.spec.ts' },
+          diagnostics: { exclude: ['foo.spec.ts'] },
         },
       })
 

src/compiler/transpiler.spec.ts

@@ -120,9 +120,9 @@ const t: string = f(5)
       ).toThrowErrorMatchingSnapshot()
     })
 
-    it('should report diagnostics related to codes with pathRegex config matches file name', () => {
+    it('should report diagnostics related to codes with exclude config matches file name', () => {
       const compiler = makeCompiler({
-        tsJestConfig: { ...baseTsJestConfig, tsconfig: false, diagnostics: { pathRegex: 'foo.ts' } },
+        tsJestConfig: { ...baseTsJestConfig, tsconfig: false, diagnostics: { exclude: ['foo.ts'] } },
       })
 
       expect(() =>
@@ -136,9 +136,9 @@ const t: string = f(5)
       ).toThrowErrorMatchingSnapshot()
     })
 
-    it('should not report diagnostics related to codes with pathRegex config does not match file name', () => {
+    it('should not report diagnostics related to codes with exclude config does not match file name', () => {
       const compiler = makeCompiler({
-        tsJestConfig: { ...baseTsJestConfig, tsconfig: false, diagnostics: { pathRegex: 'bar.ts' } },
+        tsJestConfig: { ...baseTsJestConfig, tsconfig: false, diagnostics: { exclude: ['bar.ts'] } },
       })
 
       expect(() =>

src/config/config-set.spec.ts

@@ -499,13 +499,20 @@ describe('isTestFile', () => {
 
 describe('shouldStringifyContent', () => {
   it('should return correct value is defined', () => {
-    const cs = createConfigSet({ tsJestConfig: { tsconfig: false, stringifyContentPathRegex: '\\.str$' } as any })
-    expect(cs.shouldStringifyContent('/foo/bar.ts')).toBe(false)
-    expect(cs.shouldStringifyContent('/foo/bar.str')).toBe(true)
+    const cs1 = createConfigSet({ tsJestConfig: { tsconfig: false, stringifyContentPathRegex: '\\.str$' } as any })
+
+    expect(cs1.shouldStringifyContent('/foo/bar.ts')).toBe(false)
+    expect(cs1.shouldStringifyContent('/foo/bar.str')).toBe(true)
+
+    const cs2 = createConfigSet({ tsJestConfig: { tsconfig: false, stringifyContentPathRegex: /\.str$/ } as any })
+
+    expect(cs2.shouldStringifyContent('/foo/bar.ts')).toBe(false)
+    expect(cs2.shouldStringifyContent('/foo/bar.str')).toBe(true)
   })
 
   it('should return correct value when stringifyContentPathRegex is undefined', () => {
     const cs = createConfigSet({ tsJestConfig: { tsconfig: false } as any })
+
     expect(cs.shouldStringifyContent('/foo/bar.ts')).toBe(false)
   })
 }) // shouldStringifyContent
@@ -554,8 +561,19 @@ describe('raiseDiagnostics', () => {
       code = 9999,
       category = ts.DiagnosticCategory.Warning,
     }: Partial<ts.Diagnostic> = {}): ts.Diagnostic => ({ messageText, code, category } as any)
-    it('should throw when diagnostics contains file path and pathRegex config matches file path', () => {
-      const cs = createConfigSet({
+
+    it('should throw when diagnostics contains file path and exclude config matches file path', () => {
+      let cs = createConfigSet({
+        logger,
+        tsJestConfig: { diagnostics: { exclude: ['src/__mocks__/index.ts'], pretty: false } },
+      })
+      logger.target.clear()
+
+      expect(() =>
+        cs.raiseDiagnostics([makeDiagnostic()], 'src/__mocks__/index.ts', logger),
+      ).toThrowErrorMatchingInlineSnapshot(`"warning TS9999: foo"`)
+
+      cs = createConfigSet({
         logger,
         tsJestConfig: { diagnostics: { pathRegex: 'src/__mocks__/index.ts', pretty: false } },
       })
@@ -566,8 +584,16 @@ describe('raiseDiagnostics', () => {
       ).toThrowErrorMatchingInlineSnapshot(`"warning TS9999: foo"`)
     })
 
-    it("should not throw when diagnostics contains file path and pathRegex config doesn't match file path", () => {
-      const cs = createConfigSet({
+    it("should not throw when diagnostics contains file path and exclude config doesn't match file path", () => {
+      let cs = createConfigSet({
+        logger,
+        tsJestConfig: { diagnostics: { warnOnly: true, exclude: ['/bar/'], pretty: false } },
+      })
+      logger.target.clear()
+
+      expect(() => cs.raiseDiagnostics([makeDiagnostic()], 'src/__mocks__/index.ts', logger)).not.toThrow()
+
+      cs = createConfigSet({
         logger,
         tsJestConfig: { diagnostics: { warnOnly: true, pathRegex: '/bar/', pretty: false } },
       })
@@ -591,38 +617,106 @@ describe('raiseDiagnostics', () => {
       file = program.getSourceFiles().find((sourceFile) => sourceFile.fileName === 'src/__mocks__/index.ts'),
     }: Partial<ts.Diagnostic> = {}): ts.Diagnostic => ({ messageText, code, category, file } as any)
 
-    it("should not throw when pathRegex config doesn't match source file path", () => {
+    it("should not throw when exclude config doesn't match source file path", () => {
       const cs = createConfigSet({
         logger,
-        tsJestConfig: { diagnostics: { pathRegex: '/foo/', pretty: false, ignoreCodes: [1111] } },
+        tsJestConfig: { diagnostics: { exclude: ['/foo/'], pretty: false, ignoreCodes: [1111] } },
       })
       logger.target.clear()
 
       expect(() => cs.raiseDiagnostics([makeDiagnostic()])).not.toThrow()
+
+      const cs1 = createConfigSet({
+        logger,
+        tsJestConfig: { diagnostics: { pathRegex: '/foo/', pretty: false, ignoreCodes: [1111] } },
+      })
+      logger.target.clear()
+
+      expect(() => cs1.raiseDiagnostics([makeDiagnostic()])).not.toThrow()
     })
 
-    it("should throw when pathRegex config doesn't match source file path", () => {
+    it("should throw when exclude config doesn't match source file path", () => {
       const cs = createConfigSet({
         logger,
-        tsJestConfig: { diagnostics: { pathRegex: 'src/__mocks__/index.ts', pretty: false } },
+        tsJestConfig: { diagnostics: { exclude: ['src/__mocks__/index.ts'], pretty: false } },
       })
       logger.target.clear()
 
       expect(() => cs.raiseDiagnostics([makeDiagnostic()])).toThrowErrorMatchingInlineSnapshot(
         `"Debug Failure. False expression: position cannot precede the beginning of the file"`,
       )
+
+      const cs1 = createConfigSet({
+        logger,
+        tsJestConfig: { diagnostics: { pathRegex: 'src/__mocks__/index.ts', pretty: false } },
+      })
+      logger.target.clear()
+
+      expect(() => cs1.raiseDiagnostics([makeDiagnostic()])).toThrowErrorMatchingInlineSnapshot(
+        `"Debug Failure. False expression: position cannot precede the beginning of the file"`,
+      )
     })
   })
 }) // raiseDiagnostics
 
 describe('shouldReportDiagnostics', () => {
-  it('should return correct value', () => {
-    let cs = createConfigSet({ tsJestConfig: { tsconfig: false, diagnostics: { pathRegex: '/foo/' } } as any })
+  it('should return correct value for ts/tsx files', () => {
+    let cs = createConfigSet({
+      tsJestConfig: {
+        tsconfig: false,
+        diagnostics: { exclude: ['**/foo/*.ts', '**/foo/*.tsx'] },
+      } as any,
+    })
+
+    expect(cs.shouldReportDiagnostics('/foo/index.ts')).toBe(true)
+    expect(cs.shouldReportDiagnostics('/bar/index.tsx')).toBe(false)
+
+    cs = createConfigSet({
+      tsJestConfig: {
+        tsconfig: false,
+        diagnostics: { pathRegex: '/foo/' },
+      } as any,
+    })
+
     expect(cs.shouldReportDiagnostics('/foo/index.ts')).toBe(true)
-    expect(cs.shouldReportDiagnostics('/bar/index.ts')).toBe(false)
+    expect(cs.shouldReportDiagnostics('/bar/index.tsx')).toBe(false)
+
     cs = createConfigSet({ tsJestConfig: { tsconfig: false } as any })
+
     expect(cs.shouldReportDiagnostics('/foo/index.ts')).toBe(true)
-    expect(cs.shouldReportDiagnostics('/bar/index.ts')).toBe(true)
+    expect(cs.shouldReportDiagnostics('/bar/index.tsx')).toBe(true)
+  })
+
+  test('should return correct value for js/jsx files with checkJs compiler option', () => {
+    let cs = createConfigSet({
+      tsJestConfig: {
+        tsconfig: { checkJs: false },
+        diagnostics: { exclude: ['foo/*'] },
+      },
+    })
+
+    expect(cs.shouldReportDiagnostics('/foo/index.js')).toBe(false)
+    expect(cs.shouldReportDiagnostics('/foo/index.jsx')).toBe(false)
+
+    cs = createConfigSet({
+      tsJestConfig: {
+        tsconfig: { checkJs: false },
+        diagnostics: { pathRegex: '/bar/' },
+      },
+    })
+
+    expect(cs.shouldReportDiagnostics('/foo/index.js')).toBe(false)
+    expect(cs.shouldReportDiagnostics('/foo/index.jsx')).toBe(false)
+
+    cs = createConfigSet({
+      tsJestConfig: {
+        tsconfig: { checkJs: true },
+        diagnostics: { exclude: ['**/foo/*.js', '**/foo/*.jsx'] },
+      },
+    })
+
+    expect(cs.shouldReportDiagnostics('/foo/index.js')).toBe(true)
+    expect(cs.shouldReportDiagnostics('/foo/index.jsx')).toBe(true)
   })
 }) // shouldReportDiagnostics
 
@@ -979,15 +1073,15 @@ describe('diagnostics', () => {
     {
       diagnostics: {
         ignoreCodes: '10, 25',
-        pathRegex: '\\.test\\.ts',
+        exclude: ['\\.test\\.ts'],
         pretty: false,
       },
     },
     {
       diagnostics: {
         ignoreCodes: ['10', 25],
         pretty: false,
-        pathRegex: RegExp('\\.test\\.ts'),
+        exclude: ['\\.test\\.ts'],
       },
     },
     { diagnostics: { warnOnly: true } },