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feat(presets): add presets for legacy mode (#3465)
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Lines changed: 134 additions & 26 deletions

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‎e2e/presets/__tests__/presets.spec.ts‎

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@@ -9,34 +9,69 @@ test('presets', () => {
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'^.+\\.tsx?$': 'ts-jest',
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},
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})
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expect(presets.defaultsLegacy).toEqual({
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transform: {
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'^.+\\.tsx?$': 'ts-jest/legacy',
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},
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})
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expect(presets.defaultsESM).toEqual({
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extensionsToTreatAsEsm: [...TS_EXT_TO_TREAT_AS_ESM],
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transform: {
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'^.+\\.tsx?$': 'ts-jest',
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},
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})
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expect(presets.defaultsESMLegacy).toEqual({
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extensionsToTreatAsEsm: [...TS_EXT_TO_TREAT_AS_ESM],
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transform: {
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'^.+\\.tsx?$': 'ts-jest/legacy',
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},
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})
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expect(presets.jsWithTs).toEqual({
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transform: {
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'^.+\\.[tj]sx?$': 'ts-jest',
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},
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})
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expect(presets.jsWithTsLegacy).toEqual({
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transform: {
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'^.+\\.[tj]sx?$': 'ts-jest/legacy',
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},
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})
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expect(presets.jsWithTsESM).toEqual({
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extensionsToTreatAsEsm: [...JS_EXT_TO_TREAT_AS_ESM, ...TS_EXT_TO_TREAT_AS_ESM],
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transform: {
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'^.+\\.m?[tj]sx?$': 'ts-jest',
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},
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})
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expect(presets.jsWithTsESMLegacy).toEqual({
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extensionsToTreatAsEsm: [...JS_EXT_TO_TREAT_AS_ESM, ...TS_EXT_TO_TREAT_AS_ESM],
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transform: {
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'^.+\\.m?[tj]sx?$': 'ts-jest/legacy',
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},
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})
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expect(presets.jsWithBabel).toEqual({
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transform: {
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'^.+\\.tsx?$': 'ts-jest',
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'^.+\\.jsx?$': 'babel-jest',
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},
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})
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expect(presets.jsWithBabelLegacy).toEqual({
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transform: {
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'^.+\\.tsx?$': 'ts-jest/legacy',
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'^.+\\.jsx?$': 'babel-jest',
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},
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})
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expect(presets.jsWithBabelESM).toEqual({
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extensionsToTreatAsEsm: [...JS_EXT_TO_TREAT_AS_ESM, ...TS_EXT_TO_TREAT_AS_ESM],
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transform: {
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'^.+\\.tsx?$': 'ts-jest',
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'^.+\\.m?[j]sx?$': 'babel-jest',
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},
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})
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expect(presets.jsWithBabelESMLegacy).toEqual({
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extensionsToTreatAsEsm: [...JS_EXT_TO_TREAT_AS_ESM, ...TS_EXT_TO_TREAT_AS_ESM],
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transform: {
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'^.+\\.tsx?$': 'ts-jest/legacy',
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'^.+\\.m?[j]sx?$': 'babel-jest',
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},
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})
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})

‎presets/default-esm-legacy/jest-preset.js‎

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module.exports = require('..').defaultsESMLegacy

‎presets/default-legacy/jest-preset.js‎

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module.exports = require('..').defaultsLegacy

‎presets/index.d.ts‎

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@@ -2,10 +2,16 @@ import type { TsJestPresets } from '../dist'
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declare const _default: {
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defaults: TsJestPresets;
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defaultsLegacy: TsJestPresets;
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defaultsESM: TsJestPresets;
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defaultsESMLegacy: TsJestPresets;
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jsWithTs: TsJestPresets;
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jsWithTsLegacy: TsJestPresets;
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jsWithTsESM: TsJestPresets;
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jsWithTsESMLegacy: TsJestPresets;
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jsWithBabel: TsJestPresets;
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jsWithBabelLegacy: TsJestPresets;
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jsWithBabelESM: TsJestPresets;
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jsWithBabelESMLegacy: TsJestPresets;
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};
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export = _default;

‎presets/index.js‎

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@@ -5,24 +5,55 @@ module.exports = {
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get defaults() {
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return createJestPreset()
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},
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get defaultsLegacy() {
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return createJestPreset(true, false)
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},
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get defaultsESM() {
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return createJestPreset(false, { extensionsToTreatAsEsm: TS_EXT_TO_TREAT_AS_ESM })
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return createJestPreset(false, false, { extensionsToTreatAsEsm: TS_EXT_TO_TREAT_AS_ESM })
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},
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get defaultsESMLegacy() {
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return createJestPreset(true, false, { extensionsToTreatAsEsm: TS_EXT_TO_TREAT_AS_ESM })
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},
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get jsWithTs() {
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return createJestPreset(true)
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return createJestPreset(false, true)
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},
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get jsWithTsLegacy() {
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return createJestPreset(true, true)
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},
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get jsWithTsESM() {
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return createJestPreset(true, { extensionsToTreatAsEsm: [...JS_EXT_TO_TREAT_AS_ESM, ...TS_EXT_TO_TREAT_AS_ESM] })
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return createJestPreset(false, true, {
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extensionsToTreatAsEsm: [...JS_EXT_TO_TREAT_AS_ESM, ...TS_EXT_TO_TREAT_AS_ESM],
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})
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},
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get jsWithTsESMLegacy() {
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return createJestPreset(true, true, {
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extensionsToTreatAsEsm: [...JS_EXT_TO_TREAT_AS_ESM, ...TS_EXT_TO_TREAT_AS_ESM],
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})
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},
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get jsWithBabel() {
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return createJestPreset(false, {
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return createJestPreset(false, false, {
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transform: {
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'^.+\\.jsx?$': 'babel-jest',
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},
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})
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},
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get jsWithBabelLegacy() {
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return createJestPreset(true, false, {
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transform: {
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'^.+\\.jsx?$': 'babel-jest',
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},
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})
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},
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get jsWithBabelESM() {
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return createJestPreset(false, {
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return createJestPreset(false, false, {
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extensionsToTreatAsEsm: [...JS_EXT_TO_TREAT_AS_ESM, ...TS_EXT_TO_TREAT_AS_ESM],
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transform: {
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'^.+\\.m?[j]sx?$': 'babel-jest',
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},
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})
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},
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get jsWithBabelESMLegacy() {
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return createJestPreset(true, false, {
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extensionsToTreatAsEsm: [...JS_EXT_TO_TREAT_AS_ESM, ...TS_EXT_TO_TREAT_AS_ESM],
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transform: {
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'^.+\\.m?[j]sx?$': 'babel-jest',

‎presets/js-with-babel-esm-legacy/jest-preset.js‎

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module.exports = require('..').jsWithBabelESMLegacy

‎presets/js-with-babel-legacy/jest-preset.js‎

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module.exports = require('..').jsWithBabelLegacy

‎presets/js-with-ts-esm-legacy/jest-preset.js‎

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module.exports = require('..').jsWithTsESMLegacy

‎presets/js-with-ts-legacy/jest-preset.js‎

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module.exports = require('..').jsWithTsLegacy

‎src/index.ts‎

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import { TsJestTransformer } from './legacy'
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import { TsJestTransformer } from './legacy/ts-jest-transformer'
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export * from './legacy'
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export * from './config'
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export * from './constants'
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export * from './legacy/compiler'
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export * from './config'
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export * from './legacy/ts-jest-transformer'
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export * from './legacy/config/config-set'
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export * from './presets/create-jest-preset'
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export * from './utils'
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export * from './raw-compiler-options'
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export * from './utils'
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export * from './types'
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export default {

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