Integrate prettier to the project and ci and prettify project (#1133)

Author: matux

.github/workflows/ci.yml

@@ -42,5 +42,14 @@ jobs:
       - name: npm install
         run: npm install
 
+      - name: Lint
+        uses: wearerequired/lint-action@v2
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          prettier: true
+          eslint: true
+          eslint_args: '--max-warnings 0'
+          eslint_extensions: js
+
       - name: Run tests
         run: npm run test_ci

.lgtm.yml

@@ -1,8 +1,8 @@
 path_classifiers:
-    generated:
-      - release
-      - dist
-    docs:
-      - examples
-    test:
-      - test
+  generated:
+    - release
+    - dist
+  docs:
+    - examples
+  test:
+    - test

.prettierignore

@@ -0,0 +1,18 @@
+.github
+.next
+.yalc
+build
+bundles
+coverage
+dist
+lib
+node_modules
+out
+public
+release
+vendor
+
+# ignore prettifying examples for now due to
+# 1. there being minified snippets all over the place and
+# 2. some tests fail cause they depend on some sources being exactly as they are
+examples

.vscode/settings.json

@@ -0,0 +1,39 @@
+{
+  "[github-actions-workflow]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "editor.formatOnSave": true
+  },
+  "[javascript]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "editor.formatOnSave": true
+  },
+  "[javascriptreact]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "editor.formatOnSave": true
+  },
+  "[json5]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "editor.formatOnSave": true
+  },
+  "[jsonc]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "editor.formatOnSave": true
+  },
+  "[typescript]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "editor.formatOnSave": true
+  },
+  "[typescriptreact]": {
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
+    "editor.formatOnSave": true
+  },
+  "editor.defaultFormatter": "esbenp.prettier-vscode",
+  "editor.formatOnSave": true,
+  "editor.formatOnSaveMode": "file",
+  "editor.tabSize": 2,
+  "editor.codeActionsOnSave": {
+    "source.fixAll.eslint": "explicit"
+  },
+  "files.trimTrailingWhitespace": true,
+  "prettier.useEditorConfig": false
+}