Created a eslint base config and extend from this in each package

eslint-config.json

@@ -0,0 +1,18 @@
+{
+  "extends": [
+    "eslint:recommended",
+    "prettier"
+  ],
+  "env": {
+    "es6": true,
+    "node": true
+  },
+  "rules": {
+    "no-console": [
+      2,
+      {
+        "allow": ["warn", "error"]
+      }
+    ]
+  }
+}

eslint-overrides.json

@@ -0,0 +1,38 @@
+{
+  "overrides": [
+    {
+      "parser": "@typescript-eslint/parser",
+      "plugins": ["@typescript-eslint", "risxss"],
+      "extends": [
+        "eslint:recommended",
+        "plugin:@typescript-eslint/recommended",
+        "prettier"
+      ],
+      "files": ["*.ts", "*.tsx"],
+      "rules": {
+        "@typescript-eslint/explicit-function-return-type": 0,
+        "@typescript-eslint/explicit-member-accessibility": 0,
+        "@typescript-eslint/indent": 0,
+        "@typescript-eslint/member-delimiter-style": 0,
+        "@typescript-eslint/ban-ts-comment": 0,
+        "@typescript-eslint/no-explicit-any": 0,
+        "@typescript-eslint/no-var-requires": 0,
+        "@typescript-eslint/explicit-module-boundary-types": 0,
+        "@typescript-eslint/no-use-before-define": 0,
+        "@typescript-eslint/no-unused-vars": [
+          2,
+          {
+            "argsIgnorePattern": "^_"
+          }
+        ],
+        "no-restricted-imports": [
+          "error",
+          {
+            "name": "next/link",
+            "message": "Please use the custom ~/utils/link instead"
+          }
+        ]
+      }
+    }
+  ]
+}

package.json

@@ -11,6 +11,7 @@
     "nuke": "yarn workspaces foreach run nuke && npx rimraf node_modules",
     "typecheck": "yarn workspaces foreach run typecheck",
     "lint": "yarn workspaces foreach run lint",
+    "lint:fix": "yarn workspaces foreach run lint --fix",
     "format": "yarn workspaces foreach run format",
     "dev": "yarn workspace @corona-dashboard/app dev",
     "download": "yarn workspace @corona-dashboard/app download",

packages/app/.eslintrc.json

@@ -1,19 +1,16 @@
 {
   "extends": [
-    "eslint:recommended",
     "plugin:react/recommended",
     "plugin:react-hooks/recommended",
-    "prettier"
+    "../../eslint-config"
   ],
   "settings": {
     "react": {
       "version": "detect"
     }
   },
   "env": {
-    "es6": true,
-    "browser": true,
-    "node": true
+    "browser": true
   },
   "parserOptions": {
     "ecmaVersion": 2020,
@@ -25,24 +22,14 @@
   "rules": {
     "react/react-in-jsx-scope": 0,
     "react/display-name": 0,
-    "react/prop-types": 0,
-    "no-console": [
-      2,
-      {
-        "allow": ["warn", "error"]
-      }
-    ]
+    "react/prop-types": 0
   },
   "overrides": [
     {
-      "parser": "@typescript-eslint/parser",
-      "plugins": ["@typescript-eslint", "risxss"],
       "extends": [
-        "eslint:recommended",
+        "../../eslint-overrides",
         "plugin:react/recommended",
-        "plugin:react-hooks/recommended",
-        "plugin:@typescript-eslint/recommended",
-        "prettier"
+        "plugin:react-hooks/recommended"
       ],
       "files": ["*.ts", "*.tsx"],
       "rules": {
@@ -54,29 +41,7 @@
         ],
         "react/react-in-jsx-scope": 0,
         "react/display-name": 0,
-        "react/prop-types": 0,
-        "@typescript-eslint/explicit-function-return-type": 0,
-        "@typescript-eslint/explicit-member-accessibility": 0,
-        "@typescript-eslint/indent": 0,
-        "@typescript-eslint/member-delimiter-style": 0,
-        "@typescript-eslint/ban-ts-comment": 0,
-        "@typescript-eslint/no-explicit-any": 0,
-        "@typescript-eslint/no-var-requires": 0,
-        "@typescript-eslint/explicit-module-boundary-types": 0,
-        "@typescript-eslint/no-use-before-define": 0,
-        "@typescript-eslint/no-unused-vars": [
-          2,
-          {
-            "argsIgnorePattern": "^_"
-          }
-        ],
-        "no-restricted-imports": [
-          "error",
-          {
-            "name": "next/link",
-            "message": "Please use the custom ~/utils/link instead"
-          }
-        ]
+        "react/prop-types": 0
       }
     }
   ]

packages/cli/.eslintrc.json

@@ -0,0 +1,18 @@
+{
+  "extends": [
+    "../../eslint-config"
+  ],
+  "parserOptions": {
+    "ecmaVersion": 2020,
+    "sourceType": "module"
+  },
+  "overrides": [
+    {
+      "extends": ["../../eslint-overrides"],
+      "files": ["*.ts", "*.tsx"],
+      "rules": {
+        "no-console": 0
+      }
+    }
+  ]
+}

packages/cli/package.json

@@ -29,7 +29,7 @@
     "test": "echo 'No tests available for @corona-dashboard/cli'",
     "test:ci": "echo 'No tests available for @corona-dashboard/cli'",
     "format": "prettier --write \"src/**/*.{js,ts,tsx}\" \"*.{js,json,md,yml}\"",
-    "lint": "echo 'No linter configured for @corona-dashboard/cli'",
+    "lint": "eslint .",
     "typecheck": "tsc --pretty --noEmit",
     "calculate-boundingboxes": "yarn workspace @corona-dashboard/common build && ts-node src/scripts/calculate-bounding-box-municipalities.ts",
     "validate-json": "yarn run validate-json-all",
@@ -43,6 +43,10 @@
     "@types/node": "^16.11.11",
     "@types/semver": "^7.3.9",
     "@types/topojson-client": "^3.1.0",
+    "@typescript-eslint/eslint-plugin": "^5.5.0",
+    "@typescript-eslint/parser": "^5.5.0",
+    "eslint": "^7.32.0",
+    "eslint-config-prettier": "^8.3.0",
     "ts-node": "^10.4.0",
     "typescript": "^4.4.4"
   }

packages/cli/src/schema/create-validate-function.ts

@@ -80,7 +80,7 @@ function disableFeatureFlagMetrics(schema: any, features: Feature[]) {
 export function createValidateFunction(
   schemaOrFilename: string | object,
   schemaBasePath: string,
-  skipFeatureDisable: boolean = false
+  skipFeatureDisable = false
 ) {
   const schema =
     typeof schemaOrFilename === 'string'

packages/cli/src/schema/custom-validations/choropleth.ts

@@ -118,7 +118,9 @@ function validateCommonPropertyEquality(
 }
 
 function getCommonProperties(left: UnknownObject, right: UnknownObject) {
-  return Object.keys(left).filter((key) => right.hasOwnProperty(key));
+  return Object.keys(left).filter((key) =>
+    Object.prototype.hasOwnProperty.call(right, key)
+  );
 }
 
 function getCommonDataProperties(
@@ -130,6 +132,8 @@ function getCommonDataProperties(
     .filter(([, values]) => typeof values === 'object')
     .map(([key]) => key)
     .filter(
-      (key) => right.hasOwnProperty(key) && !excludedProperties.includes(key)
+      (key) =>
+        Object.prototype.hasOwnProperty.call(right, key) &&
+        !excludedProperties.includes(key)
     );
 }

packages/cli/src/scripts/calculate-bounding-box-municipalities.ts

@@ -52,7 +52,7 @@ const fileHeader = `/** This file was generated by a CLI package script
       return acc;
     }
 
-    let bbox = turf.bbox(region.geometry);
+    const bbox = turf.bbox(region.geometry);
     /**
      * Enlarge the bounding slightly because the map is rendered in a larger boundingbox
      * than just the safetyregion. (some surrounding municipals are also visible).

packages/cli/src/scripts/validate-json-single.ts

@@ -105,7 +105,7 @@ if (!fs.existsSync(path.join(jsonBasePath, jsonFileName))) {
 }
 
 const schemaBasePath = path.join(schemaDirectory, schemaName);
-let rootSchema = metricName
+const rootSchema = metricName
   ? loadStrippedSchema(metricName, schemaBasePath)
   : '__index.json';
 

packages/cms/.eslintrc.json

@@ -1,9 +1,7 @@
 {
   "extends": [
-    "eslint:recommended",
     "plugin:react/recommended",
-    "plugin:react-hooks/recommended",
-    "prettier"
+    "plugin:react-hooks/recommended"
   ],
   "settings": {
     "react": {

packages/common/.eslintrc.json

@@ -1,77 +1,18 @@
 {
-  "extends": [
-    "eslint:recommended",
-    "plugin:react/recommended",
-    "plugin:react-hooks/recommended",
-    "plugin:prettier/recommended"
-  ],
-  "settings": {
-    "react": {
-      "version": "16.13.1"
-    }
-  },
-  "env": {
-    "es6": true,
-    "browser": true,
-    "node": true
-  },
+  "extends": ["../../eslint-config"],
   "parserOptions": {
     "ecmaVersion": 2020,
-    "sourceType": "module",
-    "ecmaFeatures": {
-      "jsx": true
-    }
-  },
-  "rules": {
-    "react/react-in-jsx-scope": 0,
-    "react/display-name": 0,
-    "react/prop-types": 0,
-    "no-console": [
-      2,
-      {
-        "allow": ["warn", "error"]
-      }
-    ]
+    "sourceType": "module"
   },
   "overrides": [
     {
-      "parser": "@typescript-eslint/parser",
-      "plugins": ["@typescript-eslint"],
       "extends": [
-        "eslint:recommended",
-        "plugin:react/recommended",
-        "plugin:react-hooks/recommended",
-        "plugin:@typescript-eslint/recommended",
-        "prettier"
+        "../../eslint-overrides"
       ],
-      "files": ["*.ts", "*.tsx"],
-      "rules": {
-        "react/react-in-jsx-scope": 0,
-        "react/display-name": 0,
-        "react/prop-types": 0,
-        "@typescript-eslint/explicit-function-return-type": 0,
-        "@typescript-eslint/explicit-member-accessibility": 0,
-        "@typescript-eslint/indent": 0,
-        "@typescript-eslint/member-delimiter-style": 0,
-        "@typescript-eslint/ban-ts-comment": 0,
-        "@typescript-eslint/no-explicit-any": 0,
-        "@typescript-eslint/no-var-requires": 0,
-        "@typescript-eslint/explicit-module-boundary-types": 0,
-        "@typescript-eslint/no-use-before-define": 0,
-        "@typescript-eslint/no-unused-vars": [
-          2,
-          {
-            "argsIgnorePattern": "^_"
-          }
-        ],
-        "no-restricted-imports": [
-          "error",
-          {
-            "name": "next/link",
-            "message": "Please use the custom ~/utils/link instead"
-          }
-        ]
-      }
+      "files": [
+        "*.ts",
+        "*.tsx"
+      ]
     }
   ]
-}
+}