feat: support Prettier eslint config (pending)

waiting on https://github.com/prettier/eslint-plugin-prettier/pull/78

packages/@vue/cli-plugin-eslint/generator.js

@@ -26,7 +26,10 @@ module.exports = (api, { config, lintOn = [] }) => {
       '@vue/eslint-config-standard': '^3.0.0-alpha.1'
     })
   } else if (config === 'prettier') {
-    // TODO
+    pkg.eslintConfig.extends.push('@vue/prettier')
+    Object.assign(pkg.devDependencies, {
+      '@vue/eslint-config-prettier': '^3.0.0-alpha.1'
+    })
   } else {
     // default
     pkg.eslintConfig.extends.push('eslint:recommended')

packages/@vue/eslint-config-prettier/index.js

@@ -0,0 +1,9 @@
+module.exports = {
+  plugins: ['prettier'],
+  extends: [
+    require.resolve('eslint-config-prettier')
+  ],
+  rules: {
+    'prettier/prettier': 'error'
+  }
+}

packages/@vue/eslint-config-prettier/package.json

@@ -19,5 +19,10 @@
   "bugs": {
     "url": "https://github.com/vuejs/vue-cli/issues"
   },
-  "homepage": "https://github.com/vuejs/vue-cli/packages/@vue/eslint-config-prettier#readme"
+  "homepage": "https://github.com/vuejs/vue-cli/packages/@vue/eslint-config-prettier#readme",
+  "dependencies": {
+    "eslint-config-prettier": "^2.9.0",
+    "eslint-plugin-prettier": "^2.4.0",
+    "prettier": "^1.10.2"
+  }
 }

yarn.lock

@@ -1153,7 +1153,7 @@ babel-plugin-syntax-object-rest-spread@^6.13.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-object-rest-spread/-/babel-plugin-syntax-object-rest-spread-6.13.0.tgz#fd6536f2bce13836ffa3a5458c4903a597bb3bf5"
 
-babel-plugin-transform-es2015-modules-commonjs@^6.24.1, babel-plugin-transform-es2015-modules-commonjs@^6.26.0:
+babel-plugin-transform-es2015-modules-commonjs@^6.24.1:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.0.tgz#0d8394029b7dc6abe1a97ef181e00758dd2e5d8a"
   dependencies:
@@ -3141,6 +3141,12 @@ eslint-config-airbnb-base@^12.1.0:
   dependencies:
     eslint-restricted-globals "^0.1.1"
 
+eslint-config-prettier@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-2.9.0.tgz#5ecd65174d486c22dff389fe036febf502d468a3"
+  dependencies:
+    get-stdin "^5.0.1"
+
 eslint-config-standard@^11.0.0-beta.0:
   version "11.0.0-beta.0"
   resolved "https://registry.yarnpkg.com/eslint-config-standard/-/eslint-config-standard-11.0.0-beta.0.tgz#f8afe69803d95c685a4b8392b8793188eb03cbb3"
@@ -3215,6 +3221,13 @@ eslint-plugin-node@^5.2.1:
     resolve "^1.3.3"
     semver "5.3.0"
 
+eslint-plugin-prettier@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-2.4.0.tgz#85cab0775c6d5e3344ef01e78d960f166fb93aae"
+  dependencies:
+    fast-diff "^1.1.1"
+    jest-docblock "^21.0.0"
+
 eslint-plugin-promise@^3.6.0:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-promise/-/eslint-plugin-promise-3.6.0.tgz#54b7658c8f454813dc2a870aff8152ec4969ba75"
@@ -3558,6 +3571,10 @@ fast-deep-equal@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-1.0.0.tgz#96256a3bc975595eb36d82e9929d060d893439ff"
 
+fast-diff@^1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.1.2.tgz#4b62c42b8e03de3f848460b639079920695d0154"
+
 fast-extend@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/fast-extend/-/fast-extend-0.0.2.tgz#f5ec42cf40b9460f521a6387dfb52deeed671dbd"
@@ -3963,6 +3980,10 @@ get-stdin@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-4.0.1.tgz#b968c6b0a04384324902e8bf1a5df32579a450fe"
 
+get-stdin@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-5.0.1.tgz#122e161591e21ff4c52530305693f20e6393a398"
+
 get-stream@^2.2.0:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/get-stream/-/get-stream-2.3.1.tgz#5f38f93f346009666ee0150a054167f91bdd95de"
@@ -5125,6 +5146,10 @@ jest-diff@^22.1.0:
     jest-get-type "^22.1.0"
     pretty-format "^22.1.0"
 
+jest-docblock@^21.0.0:
+  version "21.2.0"
+  resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-21.2.0.tgz#51529c3b30d5fd159da60c27ceedc195faf8d414"
+
 jest-docblock@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-22.1.0.tgz#3fe5986d5444cbcb149746eb4b07c57c5a464dfd"
@@ -7182,7 +7207,7 @@ preserve@^0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
 
-prettier@^1.7.0:
+prettier@^1.10.2, prettier@^1.7.0:
   version "1.10.2"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.10.2.tgz#1af8356d1842276a99a5b5529c82dd9e9ad3cc93"
 
@@ -9223,7 +9248,6 @@ vue-jest@yyx990803/vue-jest:
   version "1.4.0"
   resolved "https://codeload.github.com/yyx990803/vue-jest/tar.gz/2ce12141b70161893982325ea72f1f2dcfdc6f04"
   dependencies:
-    babel-plugin-transform-es2015-modules-commonjs "^6.26.0"
     chalk "^2.1.0"
     find-babel-config "^1.1.0"
     js-beautify "^1.6.14"