Added lerna-alias dep to automate creating jest aliases

jest.config.js

@@ -0,0 +1,11 @@
+const { jest: lernaAliases } = require('lerna-alias')
+
+module.exports = {
+  transform: {
+    '\\.css$': '<rootDir>/test/styleTransform.js',
+    '^.+\\.js?$': 'babel-jest'
+  },
+  moduleNameMapper: lernaAliases(),
+  setupTestFrameworkScriptFile: '<rootDir>/test/testSetup.js',
+  coveragePathIgnorePatterns: ['<rootDir>/packages/emotion-utils/src/stylis.js']
+}

jest.dist.js

@@ -0,0 +1,8 @@
+const { jest: lernaAliases } = require('lerna-alias')
+const baseConfig = require('./jest.config.js')
+
+module.exports = Object.assign({}, baseConfig, {
+  moduleNameMapper: lernaAliases({ sourceDirectory: false }),
+  transformIgnorePatterns: ['dist', 'node_modules'],
+  testPathIgnorePatterns: ['babel-plugin-emotion']
+})

package.json

@@ -9,7 +9,7 @@
     "test": "npm-run-all -p lint:check coverage test:size test:typescript flow && npm run test:prod && npm run benchmark",
     "test:typescript": "lerna run test:typescript --parallel",
     "coverage": "jest --coverage --no-cache --ci --runInBand",
-    "test:prod": "npm run build && jest -c jest.dist.json --no-cache --ci --runInBand",
+    "test:prod": "npm run build && jest -c jest.dist.js --no-cache --ci --runInBand",
     "lint:check": "eslint .",
     "test:watch": "jest --watch --no-cache",
     "rollup": "lerna run rollup --parallel",
@@ -71,6 +71,7 @@
     "jest-serializer-html": "^4.0.1",
     "jsdom": "^11.3.0",
     "lerna": "^2.2.0",
+    "lerna-alias": "^3.0.0",
     "module-alias": "^2.0.1",
     "npm-run-all": "^4.0.2",
     "polished": "^1.2.1",
@@ -145,28 +146,6 @@
       }
     ]
   },
-  "jest": {
-    "transform": {
-      "\\.css$": "<rootDir>/test/styleTransform.js",
-      "^.+\\.js?$": "babel-jest"
-    },
-    "moduleNameMapper": {
-      "^emotion$": "<rootDir>/packages/emotion/src",
-      "^react-emotion$": "<rootDir>/packages/react-emotion/src",
-      "^emotion-utils$": "<rootDir>/packages/emotion-utils/src",
-      "^emotion-server$": "<rootDir>/packages/emotion-server/src",
-      "^emotion-theming$": "<rootDir>/packages/emotion-theming/src",
-      "^babel-plugin-emotion": "<rootDir>/packages/babel-plugin-emotion/src",
-      "^create-emotion$": "<rootDir>/packages/create-emotion/src",
-      "^jest-emotion$": "<rootDir>/packages/jest-emotion/src",
-      "^create-emotion-styled$": "<rootDir>/packages/create-emotion-styled/src",
-      "^create-emotion-server$": "<rootDir>/packages/create-emotion-server/src"
-    },
-    "setupTestFrameworkScriptFile": "<rootDir>/test/testSetup.js",
-    "coveragePathIgnorePatterns": [
-      "<rootDir>/packages/emotion-utils/src/stylis.js"
-    ]
-  },
   "workspaces": [
     "packages/*"
   ],

yarn.lock

@@ -6163,6 +6163,12 @@ lcid@^1.0.0:
   dependencies:
     invert-kv "^1.0.0"
 
+lerna-alias@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/lerna-alias/-/lerna-alias-3.0.0.tgz#3e1cce3e83463fcfa42c5486d19d8edfe4035afb"
+  dependencies:
+    glob "^7.1.2"
+
 lerna@^2.2.0:
   version "2.4.0"
   resolved "https://registry.yarnpkg.com/lerna/-/lerna-2.4.0.tgz#7b76446b154bafb9cba8996f3dc233f1cb6ca7c3"