Add prettier

.prettierignore

@@ -0,0 +1,23 @@
+/build
+/dist
+/lib
+/node_modules
+/packages/
+/webapp
+/*.log
+yarn.lock
+electron/dist
+electron/pub
+**/.idea
+/.tmp
+/webpack-stats.json
+.vscode
+.vscode/
+.env
+/coverage
+# Auto-generated file
+/src/modules.ts
+/src/i18n/strings
+/build_config.yaml
+# Raises an error because it contains a template var breaking the script tag
+src/vector/index.html

.prettierrc.js

@@ -0,0 +1 @@
+module.exports = require("eslint-plugin-matrix-org/.prettierrc.js");

.stylelintrc.js

@@ -1,3 +1,4 @@
 module.exports = {
     ...require("matrix-react-sdk/.stylelintrc.js"),
+    extends: ["stylelint-config-standard", "stylelint-config-prettier"],
 };

package.json

@@ -46,8 +46,8 @@
     "start:res": "yarn build:jitsi && node scripts/copy-res.js -w",
     "start:js": "webpack-dev-server --host=0.0.0.0 --output-filename=bundles/_dev_/[name].js --output-chunk-filename=bundles/_dev_/[name].js -w --mode development --disable-host-check --hot",
     "lint": "yarn lint:types && yarn lint:js && yarn lint:style",
-    "lint:js": "eslint --max-warnings 0 src module_system test",
-    "lint:js-fix": "eslint --fix src module_system test",
+    "lint:js": "eslint --max-warnings 0 src module_system test && prettier --check .",
+    "lint:js-fix": "prettier --write . && eslint --fix src module_system test",
     "lint:types": "tsc --noEmit --jsx react && tsc --noEmit --project ./tsconfig.module_system.json",
     "lint:style": "stylelint \"res/css/**/*.pcss\"",
     "test": "jest",
@@ -111,9 +111,10 @@
     "dotenv": "^16.0.2",
     "eslint": "8.28.0",
     "eslint-config-google": "^0.14.0",
+    "eslint-config-prettier": "^8.5.0",
     "eslint-plugin-deprecate": "^0.7.0",
     "eslint-plugin-import": "^2.25.4",
-    "eslint-plugin-matrix-org": "^0.8.0",
+    "eslint-plugin-matrix-org": "^0.9.0",
     "eslint-plugin-react": "^7.28.0",
     "eslint-plugin-react-hooks": "^4.3.0",
     "eslint-plugin-unicorn": "^45.0.0",
@@ -148,6 +149,7 @@
     "postcss-preset-env": "^6.7.0",
     "postcss-scss": "^4.0.4",
     "postcss-simple-vars": "^5.0.2",
+    "prettier": "2.8.0",
     "raw-loader": "^4.0.2",
     "rimraf": "^3.0.2",
     "semver": "^7.3.7",
@@ -155,6 +157,7 @@
     "string-replace-loader": "3",
     "style-loader": "2",
     "stylelint": "^14.9.1",
+    "stylelint-config-prettier": "^9.0.4",
     "stylelint-config-standard": "^29.0.0",
     "stylelint-scss": "^4.2.0",
     "terser-webpack-plugin": "^4.0.0",

yarn.lock

@@ -5017,6 +5017,11 @@ eslint-config-google@^0.14.0:
   resolved "https://registry.yarnpkg.com/eslint-config-google/-/eslint-config-google-0.14.0.tgz#4f5f8759ba6e11b424294a219dbfa18c508bcc1a"
   integrity sha512-WsbX4WbjuMvTdeVL6+J3rK1RGhCTqjsFjX7UMSMgZiyxxaNLkoJENbrGExzERFeoTpGw3F3FypTiWAP9ZXzkEw==
 
+eslint-config-prettier@^8.5.0:
+  version "8.5.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-8.5.0.tgz#5a81680ec934beca02c7b1a61cf8ca34b66feab1"
+  integrity sha512-obmWKLUNCnhtQRKc+tmnYuQl0pFU1ibYJQ5BGhTVB08bHe9wC8qUeG7c08dj9XX+AuPj1YSGSQIHl1pnDHZR0Q==
+
 eslint-import-resolver-node@^0.3.6:
   version "0.3.6"
   resolved "https://registry.yarnpkg.com/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.6.tgz#4048b958395da89668252001dbd9eca6b83bacbd"
@@ -5056,10 +5061,10 @@ eslint-plugin-import@^2.25.4:
     resolve "^1.22.0"
     tsconfig-paths "^3.14.1"
 
-eslint-plugin-matrix-org@^0.8.0:
-  version "0.8.0"
-  resolved "https://registry.yarnpkg.com/eslint-plugin-matrix-org/-/eslint-plugin-matrix-org-0.8.0.tgz#daa1396900a8cb1c1d88f1a370e45fc32482cd9e"
-  integrity sha512-/Poz/F8lXYDsmQa29iPSt+kO+Jn7ArvRdq10g0CCk8wbRS0sb2zb6fvd9xL1BgR5UDQL771V0l8X32etvY5yKA==
+eslint-plugin-matrix-org@^0.9.0:
+  version "0.9.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-matrix-org/-/eslint-plugin-matrix-org-0.9.0.tgz#b2a5186052ddbfa7dc9878779bafa5d68681c7b4"
+  integrity sha512-+j6JuMnFH421Z2vOxc+0YMt5Su5vD76RSatviy3zHBaZpgd+sOeAWoCLBHD5E7mMz5oKae3Y3wewCt9LRzq2Nw==
 
 eslint-plugin-react-hooks@^4.3.0:
   version "4.6.0"
@@ -10147,6 +10152,11 @@ preserve@^0.2.0:
   resolved "https://registry.yarnpkg.com/preserve/-/preserve-0.2.0.tgz#815ed1f6ebc65926f865b310c0713bcb3315ce4b"
   integrity sha512-s/46sYeylUfHNjI+sA/78FAHlmIuKqI9wNnzEOGehAlUUYeObv5C2mOinXBjyUyWmJ2SfcS2/ydApH4hTF4WXQ==
 
+prettier@2.8.0:
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.0.tgz#c7df58393c9ba77d6fba3921ae01faf994fb9dc9"
+  integrity sha512-9Lmg8hTFZKG0Asr/kW9Bp8tJjRVluO8EJQVfY2T7FMw9T5jy4I/Uvx0Rca/XWf50QQ1/SS48+6IJWnrb+2yemA==
+
 pretty-error@^2.1.1:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/pretty-error/-/pretty-error-2.1.2.tgz#be89f82d81b1c86ec8fdfbc385045882727f93b6"
@@ -11672,6 +11682,11 @@ stylehacks@^4.0.0:
     postcss "^7.0.0"
     postcss-selector-parser "^3.0.0"
 
+stylelint-config-prettier@^9.0.4:
+  version "9.0.4"
+  resolved "https://registry.yarnpkg.com/stylelint-config-prettier/-/stylelint-config-prettier-9.0.4.tgz#1b1dda614d5b3ef6c1f583fa6fa55f88245eb00b"
+  integrity sha512-38nIGTGpFOiK5LjJ8Ma1yUgpKENxoKSOhbDNSemY7Ep0VsJoXIW9Iq/2hSt699oB9tReynfWicTAoIHiq8Rvbg==
+
 stylelint-config-recommended@^9.0.0:
   version "9.0.0"
   resolved "https://registry.yarnpkg.com/stylelint-config-recommended/-/stylelint-config-recommended-9.0.0.tgz#1c9e07536a8cd875405f8ecef7314916d94e7e40"