chore: enforce LF line endings (#8809)

* chore: enforce LF line endings

* Update CHANGELOG.md

* Update .editorconfig

.circleci/config.yml

@@ -27,7 +27,7 @@ jobs:
       - restore-cache: *restore-cache
       - run: yarn --no-progress --frozen-lockfile
       - save-cache: *save-cache
-      - run: yarn lint --format junit -o reports/junit/js-lint-results.xml && yarn lint-es5-build --format junit -o reports/junit/js-es5-lint-results.xml  && yarn lint:md:ci && yarn check-copyright-headers
+      - run: yarn lint --format junit -o reports/junit/js-lint-results.xml && yarn lint-es5-build --format junit -o reports/junit/js-es5-lint-results.xml  && yarn lint:prettier:ci && yarn check-copyright-headers
       - store_test_results:
           path: reports/junit
 

.editorconfig

@@ -1,11 +1,19 @@
+# EditorConfig helps developers define and maintain consistent
+# coding styles between different editors and IDEs
+# editorconfig.org
+#
+# Some of these options are also respected by Prettier
+
 root = true
 
 [*]
 indent_style = space
 indent_size = 2
+
+end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[{*.md,*.snap}]
+[*.{md,snap}]
 trim_trailing_whitespace = false

CHANGELOG.md

@@ -52,6 +52,7 @@
 - `[docs]` Fix MockFunctions example that was using toContain instead of toContainEqual ([#8765](https://github.com/facebook/jest/pull/8765))
 - `[*]` Make sure copyright header comment includes license ([#8783](https://github.com/facebook/jest/pull/8783))
 - `[docs]` Fix WatchPlugins `jestHooks.shouldRunTestSuite` example that receives an object ([#8784](https://github.com/facebook/jest/pull/8784))
+- `[*]` Enforce LF line endings ([#8809](https://github.com/facebook/jest/pull/8809))
 
 ### Performance
 

package.json

@@ -86,8 +86,8 @@
     "jest-coverage": "yarn jest --coverage",
     "lint": "eslint . --cache --report-unused-disable-directives --ext js,jsx,ts,tsx,md",
     "lint-es5-build": "eslint --no-eslintrc --no-ignore --env=browser packages/*/build-es5",
-    "lint:md": "yarn --silent lint:md:ci --fix",
-    "lint:md:ci": "prettylint '**/*.{md,yml,yaml}' --ignore-path .gitignore",
+    "lint:prettier": "yarn --silent lint:prettier:ci --fix",
+    "lint:prettier:ci": "prettylint '**/*.{md,yml,yaml}' --ignore-path .gitignore",
     "postinstall": "opencollective postinstall && yarn build",
     "publish": "yarn build-clean && yarn build && lerna publish --silent",
     "test-ci-es5-build-in-browser": "karma start --single-run",