feat: jest v27 support for vue2-jest (#368)

cexbrayat · web-flow · commit 3a0f4fe5b211 · 2021-08-01T21:39:36.000+10:00
diff --git a/e2e/2.x/babel-in-package/package.json b/e2e/2.x/babel-in-package/package.json
@@ -16,12 +16,13 @@
     "@babel/preset-env": "^7.9.0",
     "@vue/test-utils": "^1.1.0",
     "coffeescript": "^2.3.2",
-    "jest": "26.x",
-    "ts-jest": "^26.3.0",
+    "jest": "27.x",
+    "ts-jest": "^27.0.4",
     "typescript": "^3.2.2",
-    "vue2-jest": "~26.0.0"
+    "vue2-jest": "~27.0.0-alpha.1"
   },
   "jest": {
+    "testEnvironment": "jsdom",
     "moduleFileExtensions": [
       "js",
       "json",
diff --git a/e2e/2.x/basic/package.json b/e2e/2.x/basic/package.json
@@ -19,14 +19,15 @@
     "babel-plugin-transform-vue-jsx": "^3.7.0",
     "coffeescript": "^2.3.2",
     "jade": "^1.11.0",
-    "jest": "26.x",
+    "jest": "27.x",
     "pug": "^3.0.1",
     "sass": "^1.23.7",
-    "ts-jest": "^26.3.0",
+    "ts-jest": "^27.0.4",
     "typescript": "^3.2.2",
-    "vue2-jest": "~26.0.0"
+    "vue2-jest": "~27.0.0-alpha.1"
   },
   "jest": {
+    "testEnvironment": "jsdom",
     "moduleFileExtensions": [
       "js",
       "json",
diff --git a/e2e/2.x/basic/test.js b/e2e/2.x/basic/test.js
@@ -38,9 +38,12 @@ test('handles named exports', () => {
 test('generates source maps for .vue files', () => {
   const filePath = resolve(__dirname, './components/Basic.vue')
   const fileString = readFileSync(filePath, { encoding: 'utf8' })
+  const config = {
+    moduleFileExtensions: ['js', 'vue']
+  }
 
   const { map } = jestVue.process(fileString, filePath, {
-    moduleFileExtensions: ['js', 'vue']
+    config
   })
 
   expect(map).toMatchSnapshot()
@@ -50,8 +53,12 @@ test('generates source maps using src attributes', () => {
   const filePath = resolve(__dirname, './components/SourceMapsSrc.vue')
   const fileString = readFileSync(filePath, { encoding: 'utf8' })
 
-  const { map } = jestVue.process(fileString, filePath, {
+  const config = {
     moduleFileExtensions: ['js', 'vue']
+  }
+
+  const { map } = jestVue.process(fileString, filePath, {
+    config
   })
 
   expect(map).toMatchSnapshot()
diff --git a/e2e/2.x/custom-transformers/babel-transformer.js b/e2e/2.x/custom-transformers/babel-transformer.js
@@ -1,4 +1,4 @@
-const { createTransformer } = require('babel-jest')
+const { createTransformer } = require('babel-jest').default
 module.exports = createTransformer({
   presets: ['@babel/preset-env']
 })
diff --git a/e2e/2.x/custom-transformers/package.json b/e2e/2.x/custom-transformers/package.json
@@ -14,14 +14,15 @@
     "@babel/core": "^7.9.0",
     "@babel/preset-env": "^7.9.0",
     "@vue/test-utils": "^1.1.0",
-    "babel-jest": "^26.6.3",
-    "jest": "26.x",
+    "babel-jest": "^27.0.6",
+    "jest": "27.x",
     "postcss": "^7.0.13",
     "postcss-color-function": "^4.0.1",
     "sass": "^1.23.7",
-    "vue2-jest": "~26.0.0"
+    "vue2-jest": "~27.0.0-alpha.1"
   },
   "jest": {
+    "testEnvironment": "jsdom",
     "moduleFileExtensions": [
       "js",
       "json",
diff --git a/e2e/2.x/style/package.json b/e2e/2.x/style/package.json
@@ -14,14 +14,15 @@
     "@babel/core": "^7.9.0",
     "@babel/preset-env": "^7.9.0",
     "@vue/test-utils": "^1.1.0",
-    "jest": "26.x",
+    "jest": "27.x",
     "less": "^3.9.0",
     "postcss": "^7.0.13",
     "sass": "^1.23.7",
     "stylus": "^0.54.5",
-    "vue2-jest": "~26.0.0"
+    "vue2-jest": "~27.0.0-alpha.1"
   },
   "jest": {
+    "testEnvironment": "jsdom",
     "moduleFileExtensions": [
       "js",
       "json",
diff --git a/packages/vue2-jest/lib/index.js b/packages/vue2-jest/lib/index.js
@@ -1,19 +1,18 @@
 const crypto = require('crypto')
-const babelJest = require('babel-jest')
-
+const babelJest = require('babel-jest').default
 module.exports = {
   process: require('./process'),
   getCacheKey: function getCacheKey(
     fileData,
     filename,
-    configString,
-    { config, instrument, rootDir }
+    { config, configString, instrument, rootDir }
   ) {
     return crypto
       .createHash('md5')
       .update(
-        babelJest.getCacheKey(fileData, filename, configString, {
+        babelJest.getCacheKey(fileData, filename, {
           config,
+          configString,
           instrument,
           rootDir
         }),
diff --git a/packages/vue2-jest/lib/process-style.js b/packages/vue2-jest/lib/process-style.js
@@ -56,7 +56,7 @@ module.exports = function processStyle(stylePart, filePath, config = {}) {
     const cssFilePath = applyModuleNameMapper(
       stylePart.src,
       filePath,
-      config,
+      config.config,
       stylePart.lang
     )
     stylePart.content = loadSrc(cssFilePath, filePath)
@@ -86,7 +86,7 @@ module.exports = function processStyle(stylePart, filePath, config = {}) {
     const preprocessOptions = getPreprocessOptions(
       stylePart.lang,
       filePath,
-      config
+      config.config
     )
     const result = compileStyle({
       source: content,
diff --git a/packages/vue2-jest/lib/process.js b/packages/vue2-jest/lib/process.js
@@ -10,7 +10,7 @@ const logResultErrors = require('./utils').logResultErrors
 const stripInlineSourceMap = require('./utils').stripInlineSourceMap
 const getCustomTransformer = require('./utils').getCustomTransformer
 const loadSrc = require('./utils').loadSrc
-const babelTransformer = require('babel-jest')
+const babelTransformer = require('babel-jest').default
 const compilerUtils = require('@vue/component-compiler-utils')
 const generateCode = require('./generate-code')
 
diff --git a/packages/vue2-jest/lib/transformers/coffee.js b/packages/vue2-jest/lib/transformers/coffee.js
@@ -3,7 +3,7 @@ const throwError = require('../utils').throwError
 const getBabelOptions = require('../utils').getBabelOptions
 
 module.exports = {
-  process(src, filename, config) {
+  process(src, filename) {
     ensureRequire('coffee', ['coffeescript'])
     const coffee = require('coffeescript')
     const babelOptions = getBabelOptions(filename)
diff --git a/packages/vue2-jest/lib/transformers/typescript.js b/packages/vue2-jest/lib/transformers/typescript.js
@@ -1,7 +1,6 @@
 const ensureRequire = require('../ensure-require')
-const babelJest = require('babel-jest')
+const babelJest = require('babel-jest').default
 const {
-  getBabelOptions,
   getTsJestConfig,
   stripInlineSourceMap,
   getCustomTransformer,
@@ -14,35 +13,22 @@ module.exports = {
     const typescript = require('typescript')
     const vueJestConfig = getVueJestConfig(config)
     const tsconfig = getTsJestConfig(config)
-    const babelOptions = getBabelOptions(filePath)
 
-    const res = typescript.transpileModule(scriptContent, tsconfig)
+    const res = typescript.transpileModule(scriptContent, {
+      ...tsconfig,
+      fileName: filePath
+    })
 
     res.outputText = stripInlineSourceMap(res.outputText)
 
     const inputSourceMap =
       res.sourceMapText !== undefined ? JSON.parse(res.sourceMapText) : ''
 
-    // handle ES modules in TS source code in case user uses non commonjs module
-    // output and there is no .babelrc.
-    let inlineBabelOptions = {}
-    if (
-      tsconfig.compilerOptions.module !== typescript.ModuleKind.CommonJS &&
-      !babelOptions
-    ) {
-      inlineBabelOptions = {
-        plugins: [require('@babel/plugin-transform-modules-commonjs')]
-      }
-    }
     const customTransformer =
       getCustomTransformer(vueJestConfig['transform'], 'js') || {}
     const transformer = customTransformer.process
       ? customTransformer
-      : babelJest.createTransformer(
-          Object.assign(inlineBabelOptions, {
-            inputSourceMap
-          })
-        )
+      : babelJest.createTransformer({ inputSourceMap })
 
     return transformer.process(res.outputText, filePath, config)
   }
diff --git a/packages/vue2-jest/lib/utils.js b/packages/vue2-jest/lib/utils.js
@@ -48,7 +48,11 @@ const transformContent = function transformContent(
 
 const getVueJestConfig = function getVueJestConfig(jestConfig) {
   return (
-    (jestConfig && jestConfig.globals && jestConfig.globals['vue-jest']) || {}
+    (jestConfig &&
+      jestConfig.config &&
+      jestConfig.config.globals &&
+      jestConfig.config.globals['vue-jest']) ||
+    {}
   )
 }
 const getBabelOptions = function loadBabelOptions(filename, options = {}) {
@@ -64,11 +68,12 @@ const getBabelOptions = function loadBabelOptions(filename, options = {}) {
 }
 
 const getTsJestConfig = function getTsJestConfig(config) {
-  const createTransformer = require('ts-jest').createTransformer
-  const tr = createTransformer()
-  const configSet = tr.configsFor(config)
+  const { ConfigSet } = require('ts-jest/dist/config/config-set')
+  const configSet = new ConfigSet(config.config)
   var tsConfig = configSet.typescript || configSet.parsedTsConfig
-  return { compilerOptions: tsConfig.options }
+  return {
+    compilerOptions: { ...tsConfig.options, target: 'es5', module: 'commonjs' }
+  }
 }
 
 function isValidTransformer(transformer) {
diff --git a/packages/vue2-jest/package.json b/packages/vue2-jest/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vue2-jest",
-  "version": "26.0.0",
+  "version": "27.0.0-alpha.1",
   "description": "Jest transformer for Vue 2",
   "main": "lib/index.js",
   "files": [
@@ -28,20 +28,20 @@
     "@babel/preset-env": "^7.9.0",
     "@vue/test-utils": "^1.1.0",
     "babel-core": "^7.0.0-bridge.0",
-    "babel-jest": "^23.6.0",
+    "babel-jest": "^27.0.6",
     "conventional-changelog": "^1.1.5",
-    "jest": "^26.0.0",
+    "jest": "^27.0.6",
     "semantic-release": "^15.13.2",
-    "ts-jest": "^26.3.0",
+    "ts-jest": "^27.0.4",
     "typescript": "^3.2.2",
     "vue": "^2.4.2",
     "vue-template-compiler": "^2.4.2"
   },
   "peerDependencies": {
     "@babel/core": "7.x",
-    "babel-jest": ">= 24 < 27",
-    "jest": "26.x",
-    "ts-jest": ">= 24 < 27 ",
+    "babel-jest": ">= 27 < 28",
+    "jest": "27.x",
+    "ts-jest": ">= 27 < 28",
     "vue": "^2.x",
     "vue-template-compiler": "^2.x"
   },
diff --git a/yarn.lock b/yarn.lock
