merging eslint files

.eslintrc

@@ -0,0 +1,226 @@
+{
+  "parser": "@typescript-eslint/parser",
+  // tell the TypeScript parser that we want to use JSX syntax
+  "parserOptions": {
+    "tsx": true,
+    "ts": true,
+    "jsx": true,
+    "js": true,
+    "useJSXTextNode": true,
+    "project": ["./tsconfig.json"],
+    "tsconfigRootDir": "."
+  },
+  "env": {
+    "browser": true,
+    "node": true
+  },
+  // includes the typescript specific rules found here: https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin#supported-rules
+  "plugins": [
+    "@typescript-eslint",
+    "import",
+    "no-only-tests",
+    "no-relative-import-paths",
+    "prettier"
+  ],
+  "extends": [
+    "eslint:recommended",
+    "plugin:jsx-a11y/recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:prettier/recommended",
+    "prettier"
+  ],
+  "globals": {
+    "window": "readonly",
+    "describe": "readonly",
+    "test": "readonly",
+    "expect": "readonly",
+    "it": "readonly",
+    "process": "readonly",
+    "document": "readonly"
+  },
+  "settings": {
+    "import/parsers": {
+      "@typescript-eslint/parser": [".ts", ".tsx"]
+    },
+    "import/resolver": {
+      "typescript": {
+        "project": "."
+      }
+    }
+  },
+  "rules": {
+    "@typescript-eslint/explicit-function-return-type": "off",
+    "@typescript-eslint/interface-name-prefix": "off",
+    "@typescript-eslint/no-var-requires": "off",
+    "@typescript-eslint/no-empty-function": "warn",
+    "@typescript-eslint/no-inferrable-types": "error",
+    "@typescript-eslint/no-explicit-any": "off",
+    "import/extensions": "off",
+    "@typescript-eslint/explicit-module-boundary-types": "error",
+    "import/no-unresolved": "off",
+    "prettier/prettier": [
+      "error",
+      {
+        "arrowParens": "always",
+        "singleQuote": true,
+        "trailingComma": "all",
+        "printWidth": 100
+      }
+    ],
+    "jsx-a11y/no-autofocus": ["error", { "ignoreNonDOM": true }],
+    "jsx-a11y/anchor-is-valid": [
+      "error",
+      {
+        "components": ["Link"],
+        "specialLink": ["to"],
+        "aspects": ["noHref", "invalidHref", "preferButton"]
+      }
+    ],
+    "arrow-body-style": "error",
+    "curly": "error",
+    "no-only-tests/no-only-tests": "error",
+    "@typescript-eslint/default-param-last": "error",
+    "@typescript-eslint/dot-notation": ["error", { "allowKeywords": true }],
+    "@typescript-eslint/lines-between-class-members": [
+      "error",
+      "always",
+      { "exceptAfterSingleLine": false }
+    ],
+    "@typescript-eslint/method-signature-style": "error",
+    "@typescript-eslint/naming-convention": [
+      "error",
+      {
+        "selector": "variable",
+        "format": ["camelCase", "PascalCase", "UPPER_CASE"]
+      },
+      {
+        "selector": "function",
+        "format": ["camelCase", "PascalCase"]
+      },
+      {
+        "selector": "typeLike",
+        "format": ["PascalCase"]
+      }
+    ],
+    "@typescript-eslint/no-unused-expressions": [
+      "error",
+      {
+        "allowShortCircuit": false,
+        "allowTernary": false,
+        "allowTaggedTemplates": false
+      }
+    ],
+    "@typescript-eslint/no-redeclare": "error",
+    "@typescript-eslint/no-shadow": "error",
+    "@typescript-eslint/return-await": ["error", "in-try-catch"],
+    "camelcase": "warn",
+    "no-else-return": ["error", { "allowElseIf": false }],
+    "eqeqeq": ["error", "always", { "null": "ignore" }],
+    "object-shorthand": ["error", "always"],
+    "no-console": "error",
+    "no-param-reassign": [
+      "error",
+      {
+        "props": true,
+        "ignorePropertyModificationsFor": ["acc", "e"],
+        "ignorePropertyModificationsForRegex": ["^assignable[A-Z]"]
+      }
+    ],
+    "@typescript-eslint/no-base-to-string": "error",
+    "@typescript-eslint/no-unused-vars": "error",
+    "@typescript-eslint/no-unnecessary-condition": "error",
+    "prefer-destructuring": [
+      "error",
+      {
+        "VariableDeclarator": {
+          "array": false,
+          "object": true
+        },
+        "AssignmentExpression": {
+          "array": true,
+          "object": false
+        }
+      },
+      {
+        "enforceForRenamedProperties": false
+      }
+    ],
+    "import/order": [
+      "error",
+      {
+        "pathGroups": [
+          {
+            "pattern": "~/**",
+            "group": "external",
+            "position": "after"
+          }
+        ],
+        "pathGroupsExcludedImportTypes": ["builtin"],
+        "groups": [
+          "builtin",
+          "external",
+          "internal",
+          "index",
+          "sibling",
+          "parent",
+          "object",
+          "unknown"
+        ]
+      }
+    ],
+    "no-restricted-properties": [
+      "error",
+      {
+        "object": "Promise",
+        "property": "allSettled",
+        "message": "Avoid using Promise.allSettled, use allSettledPromises utility function instead."
+      },
+      {
+        "property": "sort",
+        "message": "Avoid using .sort, use .toSorted instead."
+      }
+    ],
+    "import/newline-after-import": "error",
+    "import/no-duplicates": "error",
+    "import/no-named-as-default": "error",
+    "import/no-extraneous-dependencies": [
+      "error",
+      {
+        "devDependencies": true,
+        "optionalDependencies": true
+      }
+    ],
+    "no-relative-import-paths/no-relative-import-paths": [
+      "warn",
+      {
+        "allowSameFolder": true,
+        "rootDir": "src",
+        "prefix": "~"
+      }
+    ],
+    "array-callback-return": ["error", { "allowImplicit": true }],
+    "prefer-template": "error",
+    "no-lone-blocks": "error",
+    "no-lonely-if": "error",
+    "no-promise-executor-return": "error",
+    "no-restricted-globals": [
+      "error",
+      {
+        "name": "isFinite",
+        "message": "Use Number.isFinite instead https://github.com/airbnb/javascript#standard-library--isfinite"
+      },
+      {
+        "name": "isNaN",
+        "message": "Use Number.isNaN instead https://github.com/airbnb/javascript#standard-library--isnan"
+      }
+    ],
+    "no-sequences": "error",
+    "no-undef-init": "error",
+    "no-unneeded-ternary": ["error", { "defaultAssignment": false }],
+    "no-useless-computed-key": "error",
+    "no-useless-return": "error",
+    "symbol-description": "error",
+    "yoda": "error",
+    "func-names": "warn"
+  }
+}

backend/.eslintignore

@@ -1,2 +1,2 @@
 package.json
-jest.config.js
+jest.config.js