Add rule @typescript-eslint/no-unused-vars

Author: Shinigami92

src/rules/typescript-eslint/index.d.ts

@@ -6,6 +6,7 @@ import type { NoExplicitAnyRule } from './no-explicit-any';
 import type { NoInferrableTypesRule } from './no-inferrable-types';
 import type { NoParameterPropertiesRule } from './no-parameter-properties';
 import type { NoUnsafeAssignmentRule } from './no-unsafe-assignment';
+import type { NoUnusedVarsRule } from './no-unused-vars';
 
 /**
  * All @typescript-eslint rules.
@@ -17,4 +18,5 @@ export type TypeScriptEslintRules = BanTsCommentRule &
   NoExplicitAnyRule &
   NoInferrableTypesRule &
   NoParameterPropertiesRule &
-  NoUnsafeAssignmentRule;
+  NoUnsafeAssignmentRule &
+  NoUnusedVarsRule;

src/rules/typescript-eslint/no-unused-vars.d.ts

@@ -0,0 +1,61 @@
+import type { RuleConfig } from '../rule-config';
+
+/**
+ * Option.
+ */
+export type NoUnusedVarsOption = {
+  /**
+   * @see [vars](https://eslint.org/docs/rules/no-unused-vars#vars)
+   */
+  vars?: 'all' | 'local';
+  /**
+   * @see [varsIgnorePattern](https://eslint.org/docs/rules/no-unused-vars#varsignorepattern)
+   */
+  varsIgnorePattern?: string;
+  /**
+   * @see [ignoreRestSiblings](https://eslint.org/docs/rules/no-unused-vars#ignorerestsiblings)
+   */
+  ignoreRestSiblings?: boolean;
+  /**
+   * @see [args](https://eslint.org/docs/rules/no-unused-vars#args)
+   */
+  args?: 'after-used' | 'all' | 'none';
+  /**
+   * @see [argsIgnorePattern](https://eslint.org/docs/rules/no-unused-vars#argsignorepattern)
+   */
+  argsIgnorePattern?: string;
+  /**
+   * @see [caughtErrors](https://eslint.org/docs/rules/no-unused-vars#caughterrors)
+   */
+  caughtErrors?: 'all' | 'none';
+  /**
+   * @see [caughtErrorsIgnorePattern](https://eslint.org/docs/rules/no-unused-vars#caughterrorsignorepattern)
+   */
+  caughtErrorsIgnorePattern?: string;
+};
+
+/**
+ * Options.
+ */
+export type NoUnusedVarsOptions = [NoUnusedVarsOption?];
+
+/**
+ * Disallow unused variables.
+ *
+ * @see [no-unused-vars](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-unused-vars.md)
+ */
+export type NoUnusedVarsRuleConfig = RuleConfig<NoUnusedVarsOptions>;
+
+/**
+ * Disallow unused variables.
+ *
+ * @see [no-unused-vars](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-unused-vars.md)
+ */
+export interface NoUnusedVarsRule {
+  /**
+   * Disallow unused variables.
+   *
+   * @see [no-unused-vars](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/no-unused-vars.md)
+   */
+  '@typescript-eslint/no-unused-vars': NoUnusedVarsRuleConfig;
+}