Add rule @typescript-eslint/member-delimiter-style

Author: Shinigami92

.eslintrc.js

@@ -120,6 +120,7 @@ module.exports = defineConfig({
           'readonly',
           'scripthost',
           'sharedmemory',
+          'singleline',
           'tsconfig',
           'typedarrays',
           'unix',

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

@@ -10,6 +10,7 @@ import type { ExplicitFunctionReturnTypeRule } from './explicit-function-return-
 import type { ExplicitMemberAccessibilityRule } from './explicit-member-accessibility';
 import type { IndentRule } from './indent';
 import type { InterfaceNamePrefixRule } from './interface-name-prefix';
+import type { MemberDelimiterStyleRule } from './member-delimiter-style';
 import type { MemberOrderingRule } from './member-ordering';
 import type { NoExplicitAnyRule } from './no-explicit-any';
 import type { NoInferrableTypesRule } from './no-inferrable-types';
@@ -38,6 +39,7 @@ export type TypeScriptEslintRules = AdjacentOverloadSignaturesRule &
   ExplicitMemberAccessibilityRule &
   IndentRule &
   InterfaceNamePrefixRule &
+  MemberDelimiterStyleRule &
   MemberOrderingRule &
   NoExplicitAnyRule &
   NoInferrableTypesRule &

src/rules/typescript-eslint/member-delimiter-style.d.ts

@@ -0,0 +1,80 @@
+import type { RuleConfig } from '../rule-config';
+
+/** Base Config. */
+export interface BaseConfig {
+  multiline?: {
+    /**
+     * @default 'semi'
+     *
+     * @see [delimiter](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/member-delimiter-style.md#delimiter)
+     */
+    delimiter?: 'none' | 'semi' | 'comma';
+    /**
+     * @default true
+     *
+     * @see [requireLast](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/member-delimiter-style.md#requirelast)
+     */
+    requireLast?: boolean;
+  };
+  singleline?: {
+    /**
+     * @default 'semi'
+     *
+     * @see [delimiter](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/member-delimiter-style.md#delimiter)
+     */
+    delimiter?: 'semi' | 'comma';
+    /**
+     * @default false
+     *
+     * @see [requireLast](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/member-delimiter-style.md#requirelast)
+     */
+    requireLast?: boolean;
+  };
+}
+
+/**
+ * Option.
+ */
+export type MemberDelimiterStyleOption = BaseConfig & {
+  /**
+   * Allows you to specify options specifically for either `interfaces` or `type` definitions / inline `type`s.
+   *
+   * @see [overrides](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/member-delimiter-style.md#overrides)
+   */
+  overrides?: {
+    interface?: BaseConfig;
+    typeLiteral?: BaseConfig;
+  };
+  /**
+   * @default 'brackets'
+   *
+   * @see [multilineDetection](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/member-delimiter-style.md#options)
+   */
+  multilineDetection?: 'brackets' | 'last-member';
+};
+
+/**
+ * Options.
+ */
+export type MemberDelimiterStyleOptions = [MemberDelimiterStyleOption?];
+
+/**
+ * Require a specific member delimiter style for interfaces and type literals.
+ *
+ * @see [member-delimiter-style](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/member-delimiter-style.md)
+ */
+export type MemberDelimiterStyleRuleConfig = RuleConfig<MemberDelimiterStyleOptions>;
+
+/**
+ * Require a specific member delimiter style for interfaces and type literals.
+ *
+ * @see [member-delimiter-style](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/member-delimiter-style.md)
+ */
+export interface MemberDelimiterStyleRule {
+  /**
+   * Require a specific member delimiter style for interfaces and type literals.
+   *
+   * @see [member-delimiter-style](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/member-delimiter-style.md)
+   */
+  '@typescript-eslint/member-delimiter-style': MemberDelimiterStyleRuleConfig;
+}