chore: Add custom browserslist (#2290)

* Add browserslist config.

* Integrate browserslistrc w/ eslint and stylelint.

* Fix config.

* Remove stylelint plugin.

* Fix plugin configuration.

* Corrected label.

* Delete old comment.

assets/.browserslistrc

@@ -0,0 +1,12 @@
+# DUP
+ChromeAndroid 61
+# Sectional (Solari)
+Firefox 90
+# Sectional (GDS)
+Firefox 126
+# Pre-Fare
+Chrome 126
+# Bus Shelter
+Firefox 126
+# Bus E-ink (GDS)
+Chrome 45

assets/babel.config.json

@@ -0,0 +1,15 @@
+{
+  "presets": [
+    "@babel/preset-env",
+    "@babel/preset-react",
+    "@babel/preset-typescript"
+  ],
+  "plugins": [
+    "@babel/plugin-proposal-export-default-from",
+    "@babel/plugin-proposal-logical-assignment-operators",
+    ["@babel/plugin-proposal-optional-chaining", { "loose": false }],
+    ["@babel/plugin-proposal-pipeline-operator", { "proposal": "minimal" }],
+    ["@babel/plugin-proposal-nullish-coalescing-operator", { "loose": false }],
+    "@babel/plugin-proposal-do-expressions"
+  ]
+}

assets/eslint.config.mjs

@@ -5,6 +5,7 @@ import pluginReactConfig from "eslint-plugin-react/configs/recommended.js";
 import pluginReactHooks from "eslint-plugin-react-hooks";
 import eslintConfigPrettier from "eslint-config-prettier";
 import jestPlugin from "eslint-plugin-jest";
+import compat from "eslint-plugin-compat";
 
 export default [
   { languageOptions: { globals: globals.browser } },
@@ -48,4 +49,8 @@ export default [
       ],
     },
   },
+  {
+    ...compat.configs["flat/recommended"],
+    files: ["**/*.{ts, tsx}"],
+  },
 ];

assets/package.json

@@ -55,11 +55,13 @@
     "@types/react-router-dom": "^5.1.8",
     "@types/webpack-env": "^1.18.4",
     "babel-loader": "^8.2.2",
+    "browserslist": "^4.24.2",
     "concurrently": "^8.2.2",
     "copy-webpack-plugin": "^6.4.1",
     "css-loader": "^5.2.7",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^9.1.0",
+    "eslint-plugin-compat": "^6.0.1",
     "eslint-plugin-jest": "^28.5.0",
     "eslint-plugin-react": "^7.34.1",
     "eslint-plugin-react-hooks": "^4.6.2",