Merge pull request #6983 from marmelab/fix-cherry-pick-jest-config

Backport jest config from next

jest.config.js

@@ -0,0 +1,38 @@
+const path = require('path');
+const fs = require('fs');
+
+const packages = fs.readdirSync(path.resolve(__dirname, './packages'));
+const moduleNameMapper = packages.reduce((mapper, dirName) => {
+    const package = require(path.resolve(
+        __dirname,
+        './packages',
+        dirName,
+        'package.json'
+    ));
+    mapper[`^${package.name}(.*)$`] = path.join(
+        __dirname,
+        `./packages/${dirName}/src$1`
+    );
+    return mapper;
+}, {});
+
+module.exports = {
+    globalSetup: './test-global-setup.js',
+    setupFilesAfterEnv: ['./test-setup.js'],
+    preset: 'ts-jest/presets/js-with-ts',
+    testPathIgnorePatterns: [
+        '/node_modules/',
+        '/lib/',
+        '/esm/',
+        '/examples/simple/',
+    ],
+    transformIgnorePatterns: [
+        '[/\\\\]node_modules[/\\\\].+\\.(js|jsx|mjs|ts|tsx)$',
+    ],
+    globals: {
+        'ts-jest': {
+            isolatedModules: true,
+        },
+    },
+    moduleNameMapper,
+};

package.json

@@ -23,27 +23,6 @@
         "run-crm": "cd examples/crm && yarn -s start",
         "build-crm": "cd examples/crm && yarn -s build"
     },
-    "jest": {
-        "globalSetup": "./test-global-setup.js",
-        "setupFilesAfterEnv": [
-            "./test-setup.js"
-        ],
-        "preset": "ts-jest/presets/js-with-ts",
-        "testPathIgnorePatterns": [
-            "/node_modules/",
-            "/lib/",
-            "/esm/",
-            "/examples/simple/"
-        ],
-        "transformIgnorePatterns": [
-            "[/\\\\]node_modules[/\\\\].+\\.(js|jsx|mjs|ts|tsx)$"
-        ],
-        "globals": {
-            "ts-jest": {
-                "isolatedModules": true
-            }
-        }
-    },
     "devDependencies": {
         "@types/jest": "^26.0.19",
         "@types/react": "^17.0.20",