Merge branch 'master' into patch-1

* master: (1421 commits)
  feat(gatsby-image): add onStartLoad prop  (#6702)
  fix(docs): add Ecosystem to docs sidebar, consistency with tutorial sidebar (#10350)
  fix(www): Starters.yaml housekeeping (#10354)
  docs: add ttag starter (#10352)
  docs: document branching (#9983)
  plugin checker initial commit (#7062)
  docs: new starter features is required (#10353)
  docs: migrated line highlighting to highlight-line, highlight-start, highlight-end (#10202)
  Add Birra Napoli to site showcase (#10344)
  Add BetterDocs to site showcase (#10349)
  chore(release): Publish
  Add option to keep metadata in files processed by `gatsby-plugin-sharp` (#10210)
  fix(gatsby): [loki] sync db autosaves (#10212)
  Add Ad Hoc Homework to sites.yml (#10346)
  fix(graphql-skip-limit): declare `graphql` peer dependency (#10305)
  fix(gatsby-plugin-offline): gracefully degrade if appshell isn't precached (#10329)
  Service workers note (#10276)
  fix(docs): link fixes, podcast addition (#10332)
  feat(docs): Create clearer pathways in docs (#9898)
  feat(www): Rename community section to creators (#10312)
  ...

.babelrc.js

@@ -6,10 +6,8 @@ if (process.env.NODE_ENV !== `test`) {
   ignore.push(`**/__tests__`)
 }
 
-const presetAbsPath = require(`path`).join(__dirname, '.babel-preset.js')
-
 module.exports = {
   sourceMaps: true,
-  presets: [presetAbsPath],
+  presets: ["babel-preset-gatsby-package"],
   ignore,
 }

.circleci/config.yml

@@ -0,0 +1,191 @@
+executors:
+  node:
+    parameters:
+      image:
+        type: string
+        default: "10"
+    docker:
+      - image: circleci/node:<< parameters.image >>
+
+aliases:
+  e2e-executor: &e2e-executor
+    docker:
+      - image: cypress/browsers:chrome69
+
+  restore_cache: &restore_cache
+    restore_cache:
+      name: Restore node_modules cache
+      keys:
+        - yarn-cypress-cache-{{ checksum "yarn.lock" }}
+
+  install_node_modules: &install_node_modules
+    run:
+      name: Install node modules
+      command: yarn --frozen-lockfile
+
+  persist_cache: &persist_cache
+    save_cache:
+      name: Save node modules cache
+      key: yarn-cypress-cache-{{ checksum "yarn.lock" }}
+      paths:
+        - ~/.cache
+
+  attach_to_bootstrap: &attach_to_bootstrap
+    attach_workspace:
+      at: packages
+
+  ignore_master: &ignore_master
+    filters:
+      branches:
+        ignore:
+          - master
+
+  ignore_docs: &ignore_docs
+    filters:
+      branches:
+        ignore:
+          - /docs.+/
+          - /blog.+/
+
+  test_template: &test_template
+    steps:
+      - checkout
+      - run: ./scripts/assert-changed-files.sh "packages/*|.circleci/*"
+      - <<: *restore_cache
+      - <<: *install_node_modules
+      - <<: *persist_cache
+      - <<: *attach_to_bootstrap
+      - run: yarn jest -w 1
+
+  e2e-test-workflow: &e2e-test-workflow
+    filters:
+      branches:
+        ignore:
+          - master
+          - /docs.+/
+          - /blog.+/
+    requires:
+      - bootstrap
+
+commands:
+  e2e-test:
+    parameters:
+      trigger_pattern:
+        type: string
+        default: "packages/*|.circleci/*"
+      test_path:
+        type: string
+    steps:
+      - checkout
+      - run: ./scripts/assert-changed-files.sh "<< parameters.trigger_pattern >>|<< parameters.test_path >>/*"
+      - <<: *restore_cache
+      - <<: *install_node_modules
+      - <<: *persist_cache
+      - <<: *attach_to_bootstrap
+      - run: ./scripts/e2e-test.sh "<< parameters.test_path >>"
+
+version: 2.1
+
+jobs:
+  bootstrap:
+    executor: node
+    steps:
+      - checkout
+      - run: ./scripts/assert-changed-files.sh "packages/*|(e2e|integration)-tests/*|.circleci/*"
+      - <<: *restore_cache
+      - <<: *install_node_modules
+      - <<: *persist_cache
+      - run: yarn bootstrap
+      - persist_to_workspace:
+          root: packages
+          paths:
+            - "*"
+
+  lint:
+    executor: node
+    steps:
+      - checkout
+      - <<: *restore_cache
+      - <<: *install_node_modules
+      - <<: *persist_cache
+      - run: yarn lint
+
+  unit_tests_node6:
+    executor:
+      name: node
+      image: "6"
+    <<: *test_template
+
+  unit_tests_node8:
+    executor:
+      name: node
+      image: "8"
+    <<: *test_template
+
+  unit_tests_node10:
+    executor: node
+    <<: *test_template
+
+  integration_tests:
+    executor: node
+    steps:
+      - checkout
+      - run: ./scripts/assert-changed-files.sh "packages/*|integration-tests/*|.circleci/*"
+      - <<: *restore_cache
+      - <<: *install_node_modules
+      - <<: *persist_cache
+      - <<: *attach_to_bootstrap
+      - run: yarn test:integration
+
+  e2e_tests_gatsbygram:
+    <<: *e2e-executor
+    steps:
+      - e2e-test:
+          test_path: examples/gatsbygram
+
+  e2e_tests_path-prefix:
+    <<: *e2e-executor
+    steps:
+      - e2e-test:
+          test_path: e2e-tests/path-prefix
+
+  e2e_tests_gatsby-image:
+    <<: *e2e-executor
+    steps:
+      - e2e-test:
+          test_path: e2e-tests/gatsby-image
+
+  e2e_tests_runtime:
+    <<: *e2e-executor
+    steps:
+      - e2e-test:
+          test_path: e2e-tests/production-runtime
+
+workflows:
+  version: 2
+  build-test:
+    jobs:
+      - bootstrap
+      - lint
+      - unit_tests_node6:
+          <<: *ignore_docs
+          requires:
+            - bootstrap
+      - unit_tests_node8:
+          <<: *ignore_docs
+          requires:
+            - bootstrap
+      - unit_tests_node10:
+          <<: *ignore_docs
+          requires:
+            - bootstrap
+      - integration_tests:
+          <<: *ignore_docs
+      - e2e_tests_gatsbygram:
+          <<: *e2e-test-workflow
+      - e2e_tests_path-prefix:
+          <<: *e2e-test-workflow
+      - e2e_tests_gatsby-image:
+          <<: *e2e-test-workflow
+      - e2e_tests_runtime:
+          <<: *e2e-test-workflow

.editorconfig

@@ -2,18 +2,9 @@
 root = true
 
 [*]
-indent_style = space
-indent_size = 2
-end_of_line = lf
 charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-
-[{*.json, *.svg}]
-indent_style = space
-indent_size = 4
-
-# Matches the exact package.json, or *rc
-[{package.json,*.yml,*rc}]
-indent_style = space
+end_of_line = lf
 indent_size = 2
+indent_style = space
+insert_final_newline = 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/**/*", "**/cypress/support/**/*"],
+      "globals": {
+        "cy": false,
+        "Cypress": false
+      }
+    }
+  ],
+  "settings": {
+    "react": {
+      "version": "16.4.2"
     }
-  ]
+  }
 }

.gitattributes

@@ -0,0 +1,4 @@
+**/*.js.snap text eol=lf
+**/__testfixtures__/** text eol=lf
+**/__tests__/fixtures/** text eol=lf
+**/*.md text eol=lf