Add git hooks and simplify scripts

.editorconfig

@@ -7,4 +7,4 @@ end_of_line = lf
 indent_size = 2
 indent_style = space
 insert_final_newline = true
-trim_trailing_whitespace = true
+trim_trailing_whitespace = true

.eslintrc.json

@@ -9,7 +9,7 @@
     "prettier/flowtype",
     "prettier/react"
   ],
-  "plugins": ["flowtype", "react"],
+  "plugins": ["flowtype", "prettier", "react"],
   "parserOptions": {
     "ecmaVersion": 2016,
     "sourceType": "module",
@@ -27,36 +27,22 @@
     "spyOn": true
   },
   "rules": {
-    "no-console": "off",
-    "no-inner-declarations": "off",
-    "valid-jsdoc": "off",
-    "require-jsdoc": "off",
-    "quotes": ["error", "backtick"],
-    "consistent-return": ["error"],
     "arrow-body-style": [
       "error",
       "as-needed",
       { "requireReturnForObjectLiteral": true }
     ],
-    "jsx-quotes": ["error", "prefer-double"],
-    "semi": ["error", "never"],
-    "object-curly-spacing": ["error", "always"],
-    "comma-dangle": [
-      "error",
-      {
-        "arrays": "always-multiline",
-        "objects": "always-multiline",
-        "imports": "always-multiline",
-        "exports": "always-multiline",
-        "functions": "ignore"
-      }
-    ],
-    "react/prop-types": [
-      "error",
-      {
-        "ignore": ["children"]
-      }
-    ]
+    "consistent-return": ["error"],
+    "no-console": "off",
+    "no-inner-declarations": "off",
+    "prettier/prettier": "error",
+    "quotes": ["error", "backtick"],
+    "react/display-name": "off",
+    "react/jsx-key": "warn",
+    "react/no-unescaped-entities": "warn",
+    "react/prop-types": "off",
+    "require-jsdoc": "off",
+    "valid-jsdoc": "off"
   },
   "overrides": [
     {
@@ -71,6 +57,18 @@
         "___loader": false,
         "___emitter": false
       }
+    },
+    {
+      "files": ["**/cypress/integration/**/*"],
+      "globals": {
+        "cy": false,
+        "Cypress": false
+      }
+    }
+  ],
+  "settings": {
+    "react": {
+      "version": "16.4.2"
     }
-  ]
+  }
 }

.prettierignore

@@ -1 +1,27 @@
-/package.json
+*.min.js
+**/node_modules/**
+flow-typed
+
+# webfont demo styles
+**/specimen_files
+
+# built sites
+benchmarks/**/public
+e2e-tests/**/public
+examples/**/public
+integration-tests/**/public
+www/public
+
+# cache-dirs
+**/.cache
+
+# ignore built packages
+packages/*/*.js
+packages/gatsby/cache-dir/commonjs
+packages/gatsby/dist
+
+# fixtures
+**/__testfixtures__/**
+**/__tests__/fixtures/**
+
+infrastructure

.prettierrc

@@ -1,5 +1,6 @@
 {
-    "trailingComma": "es5",
     "semi": false,
-    "tabWidth": 2
+    "singleQuote": false,
+    "tabWidth": 2,
+    "trailingComma": "es5"
 }

package.json

@@ -8,24 +8,26 @@
     "babel-jest": "^22.4.3",
     "chokidar": "^1.7.0",
     "cross-env": "^5.1.4",
-    "eslint": "^4.19.1",
-    "eslint-config-google": "^0.9.1",
-    "eslint-config-prettier": "^2.9.0",
-    "eslint-plugin-flowtype": "^2.46.1",
-    "eslint-plugin-import": "^2.9.0",
-    "eslint-plugin-jsx-a11y": "^6.0.2",
-    "eslint-plugin-prettier": "^2.6.0",
-    "eslint-plugin-react": "^7.7.0",
+    "eslint": "^5.6.1",
+    "eslint-config-google": "^0.10.0",
+    "eslint-config-prettier": "^3.1.0",
+    "eslint-plugin-flow-vars": "^0.5.0",
+    "eslint-plugin-flowtype": "^2.50.3",
+    "eslint-plugin-import": "^2.14.0",
+    "eslint-plugin-jsx-a11y": "^6.1.2",
+    "eslint-plugin-prettier": "^3.0.0",
+    "eslint-plugin-react": "^7.11.1",
     "flow-bin": "^0.42.0",
     "fs-extra": "^7.0.0",
     "glob": "^7.1.1",
+    "husky": "1.1.1",
     "jest": "^23.5.0",
     "jest-cli": "^23.5.0",
     "lerna": "^3.3.0",
+    "lint-staged": "^8.0.4",
     "npm-run-all": "4.1.2",
     "plop": "^1.8.1",
-    "prettier": "^1.12",
-    "prettier-eslint-cli": "4.7.1",
+    "prettier": "^1.14.3",
     "rimraf": "^2.6.1",
     "yargs": "^10.0.3"
   },
@@ -38,27 +40,39 @@
     "**/__tests__/fixtures/"
   ],
   "private": true,
+  "lint-staged": {
+    "*.{js,jsx}": [
+      "eslint --ignore-path .gitignore --ignore-path .prettierignore --fix",
+      "git add"
+    ],
+    "*.{md,css,scss,yaml,yml}": [
+      "prettier --write",
+      "git add"
+    ]
+  },
+  "husky": {
+    "hooks": {
+      "pre-commit": "lint-staged || node scripts/on-lint-error.js"
+    }
+  },
   "scripts": {
     "bootstrap": "npm-run-all -s check-versions lerna-prepare",
     "check-versions": "babel-node scripts/check-versions.js",
-    "format": "npm-run-all -p format-packages format-cache-dir format-www format-integration format-examples format-scripts format-markdown format-yaml",
-    "format-cache-dir": "prettier-eslint --write \"packages/gatsby/cache-dir/*.js\"",
-    "format-examples": "prettier-eslint --write \"examples/**/gatsby-node.js\" \"examples/**/gatsby-config.js\" \"examples/**/src/**/*.js\"",
-    "format-markdown": "prettier --write \"**/*.md\" --no-semi",
-    "format-packages": "prettier-eslint --write \"packages/*/src/**/*.js\"",
-    "format-scripts": "prettier-eslint --write \"scripts/**/*.js\"",
-    "format-www": "prettier-eslint --write \"www/*.js\" \"www/src/**/*.js\"",
-    "format-integration": "prettier-eslint --write \"integration-tests/**/src/**/*.js\" \"integration-tests/**/cypress/**/*.js\"",
-    "format-yaml": "prettier --write \"**/*.y?(a)ml\"",
+    "format": "npm run format:code && npm run format:other",
+    "format:other": "npm run prettier -- --write",
+    "format:code": "npm run lint:code -- --fix",
+    "hooks:uninstall": "node node_modules/husky/husky.js uninstall",
+    "hooks:install": "node node_modules/husky/husky.js install",
     "jest": "jest",
     "lerna": "lerna",
     "lerna-prepare": "lerna run prepare",
-    "lint": "npm-run-all --continue-on-error --parallel lint:js lint:yaml",
-    "lint:js": "eslint --ext .js,.jsx packages/**/src integration-tests/**/src",
+    "lint": "npm-run-all --continue-on-error -p lint:code lint:other",
+    "lint:code": "eslint --ignore-path .gitignore --ignore-path .prettierignore --ext .js,.jsx .",
     "lint:flow": "babel-node scripts/flow-check.js",
-    "lint:yaml": "prettier --list-different \"**/*.y?(a)ml\"",
+    "lint:other": "npm run prettier -- --list-different",
     "plop": "plop",
     "prebootstrap": "yarn",
+    "prettier": "prettier \"**/*.{md,css,scss,yaml,yml}\"",
     "publish": "node scripts/check-publish-access && lerna publish",
     "publish-canary": "lerna publish --canary --yes",
     "publish-next": "lerna publish --npm-tag=next --bump=prerelease",
@@ -67,7 +81,6 @@
     "test:update": "jest --updateSnapshot",
     "test:watch": "jest --watch",
     "test:integration": "jest --config=integration-tests/jest.config.js",
-    "version": "prettier --write \"**/CHANGELOG.md\" --no-semi",
     "watch": "lerna run watch --no-sort --stream --concurrency 999"
   },
   "workspaces": [

scripts/on-lint-error.js

@@ -0,0 +1,12 @@
+console.log(
+  `Gatsby uses precommit hooks to run our linting and style checks. We do this
+  to avoid additional hassle during pull request reviews, so please fix any linting
+  problems before submitting pull request, because all PRs must pass these checks.
+
+  If you're doing something temporary, you can disable this hook with:
+    git commit --no-verify
+
+  If you want disable this hook for all future commits:
+    npm run hooks:uninstall
+  `
+)

www/.eslintrc.json

@@ -1,10 +1,5 @@
 {
   "globals": {
     "graphql": true
-  },
-  "rules": {
-    "react/display-name": [0],
-    "react/jsx-key": [1],
-    "react/prop-types": [0]
   }
 }

www/package.json

@@ -101,18 +101,10 @@
     "front-matter": "^2.3.0",
     "get-package-json-from-github": "^1.2.1",
     "github-api": "^3.0.0",
-    "husky": "^1.0.0-rc.14",
-    "prettier": "^1.14.2",
-    "pretty-quick": "^1.6.0",
     "stylelint": "^9.6.0",
     "stylelint-config-standard": "^18.2.0",
     "stylelint-config-styled-components": "^0.1.1",
     "stylelint-processor-styled-components": "^1.5.0",
     "webshot": "^0.18.0"
-  },
-  "husky": {
-    "hooks": {
-      "pre-commit": "pretty-quick --staged"
-    }
   }
 }