ESLint: enable all TS rules that require running compiler (#2388)

Author: IvanGoncharov

.eslintrc.yml

@@ -424,6 +424,9 @@ rules:
 overrides:
   - files: '**/*.ts'
     parser: '@typescript-eslint/parser'
+    parserOptions:
+      tsconfigRootDir: './src/'
+      project: ['tsconfig.json']
     plugins:
       - '@typescript-eslint'
     rules:
@@ -447,7 +450,7 @@ overrides:
       # https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin#supported-rules
       '@typescript-eslint/adjacent-overload-signatures': error
       '@typescript-eslint/array-type': [error, { default: generic }]
-      '@typescript-eslint/await-thenable': off # TODO error
+      '@typescript-eslint/await-thenable': error
       '@typescript-eslint/ban-ts-ignore': error
       '@typescript-eslint/ban-types': error
       '@typescript-eslint/consistent-type-assertions':
@@ -462,39 +465,40 @@ overrides:
       '@typescript-eslint/no-explicit-any': off # TODO error
       '@typescript-eslint/no-extra-non-null-assertion': error
       '@typescript-eslint/no-extraneous-class': off # TODO consider
-      '@typescript-eslint/no-floating-promises': off # TODO error
+      '@typescript-eslint/no-floating-promises': error
       '@typescript-eslint/no-for-in-array': error
-      '@typescript-eslint/no-implied-eval': off # TODO error
+      '@typescript-eslint/no-implied-eval': error
       '@typescript-eslint/no-inferrable-types':
         [error, { ignoreParameters: true, ignoreProperties: true }]
       '@typescript-eslint/no-misused-new': error
-      '@typescript-eslint/no-misused-promises': off # TODO error
+      '@typescript-eslint/no-misused-promises': error
       '@typescript-eslint/no-namespace': error
-      '@typescript-eslint/no-non-null-assertion': off # TODO error
+      '@typescript-eslint/no-non-null-assertion': error
       '@typescript-eslint/no-parameter-properties': error
       '@typescript-eslint/no-require-imports': error
       '@typescript-eslint/no-this-alias': error
-      '@typescript-eslint/no-throw-literal': off # TODO error
+      '@typescript-eslint/no-throw-literal': error
       '@typescript-eslint/no-type-alias': off # TODO consider
-      '@typescript-eslint/no-unnecessary-condition': off # TODO error
-      '@typescript-eslint/no-unnecessary-qualifier': off # TODO error
+      '@typescript-eslint/no-unnecessary-condition': error
+      '@typescript-eslint/no-unnecessary-qualifier': error
       '@typescript-eslint/no-unnecessary-type-arguments': off # TODO error
-      '@typescript-eslint/no-unnecessary-type-assertion': off # TODO error
+      '@typescript-eslint/no-unnecessary-type-assertion': error
       '@typescript-eslint/no-unused-vars-experimental': off
       '@typescript-eslint/no-var-requires': error
       '@typescript-eslint/prefer-for-of': off # TODO switch to error after TS migration
       '@typescript-eslint/prefer-function-type': error
       '@typescript-eslint/prefer-includes': off # TODO switch to error after IE11 drop
       '@typescript-eslint/prefer-namespace-keyword': error
-      '@typescript-eslint/prefer-nullish-coalescing': off # TODO error
+      '@typescript-eslint/prefer-nullish-coalescing': error
       '@typescript-eslint/prefer-optional-chain': error
-      '@typescript-eslint/prefer-readonly': off # TODO error
-      '@typescript-eslint/prefer-regexp-exec': off # TODO error
+      '@typescript-eslint/prefer-readonly': error
+      '@typescript-eslint/prefer-regexp-exec': error
       '@typescript-eslint/prefer-string-starts-ends-with': off # TODO switch to error after IE11 drop
       '@typescript-eslint/promise-function-async': off
-      '@typescript-eslint/require-array-sort-compare': off # TODO error
-      '@typescript-eslint/restrict-plus-operands': off # TODO [error, { checkCompoundAssignments: true }]
-      '@typescript-eslint/restrict-template-expressions': off # TODO error
+      '@typescript-eslint/require-array-sort-compare': error
+      '@typescript-eslint/restrict-plus-operands':
+        [error, { checkCompoundAssignments: true }]
+      '@typescript-eslint/restrict-template-expressions': error
       '@typescript-eslint/strict-boolean-expressions': off # TODO consider
       '@typescript-eslint/triple-slash-reference': error
       '@typescript-eslint/typedef': off
@@ -520,8 +524,8 @@ overrides:
       '@typescript-eslint/no-unused-vars':
         [error, { vars: all, args: all, argsIgnorePattern: '^_' }]
       '@typescript-eslint/no-useless-constructor': error
-      '@typescript-eslint/require-await': off # TODO
-      '@typescript-eslint/return-await': off # TODO
+      '@typescript-eslint/require-await': error
+      '@typescript-eslint/return-await': error
 
       # Disable for JS, Flow and TS
       '@typescript-eslint/no-magic-numbers': off

src/tsconfig.json

@@ -11,6 +11,5 @@
     "types": [],
     "noEmit": true,
     "forceConsistentCasingInFileNames": true
-  },
-  "files": ["index.d.ts"]
+  }
 }