Add comma-dangle rule

Author: Shinigami92

.eslintrc.js

@@ -92,6 +92,7 @@ module.exports = defineConfig({
           'globals',
           'greasemonkey',
           'jsdoc',
+          'multiline',
           'nashorn',
           'phantomjs',
           'prototypejs',

src/rules/eslint/comma-dangle.d.ts

@@ -0,0 +1,40 @@
+import type { RuleConfig } from '../rule-config';
+
+/**
+ * Values for comma dangle.
+ */
+export type CommaDangleOptionValue = 'never' | 'always' | 'always-multiline' | 'only-multiline' | 'ignore';
+
+/**
+ * Options.
+ */
+export type CommaDangleOption =
+  | CommaDangleOptionValue
+  | {
+      arrays?: CommaDangleOptionValue;
+      objects?: CommaDangleOptionValue;
+      imports?: CommaDangleOptionValue;
+      exports?: CommaDangleOptionValue;
+      functions?: CommaDangleOptionValue;
+    };
+
+/**
+ * Require or disallow trailing commas.
+ *
+ * @see [comma-dangle](https://eslint.org/docs/rules/comma-dangle)
+ */
+export type CommaDangleRuleConfig = RuleConfig<[CommaDangleOption?]>;
+
+/**
+ * Require or disallow trailing commas.
+ *
+ * @see [comma-dangle](https://eslint.org/docs/rules/comma-dangle)
+ */
+export interface CommaDangleRule {
+  /**
+   * Require or disallow trailing commas.
+   *
+   * @see [comma-dangle](https://eslint.org/docs/rules/comma-dangle)
+   */
+  'comma-dangle': CommaDangleRuleConfig;
+}

src/rules/eslint/index.d.ts

@@ -1,8 +1,9 @@
+import type { CommaDangleRule } from './comma-dangle';
 import type { NoDebuggerRule } from './no-debugger';
 import type { QuotesRule } from './quotes';
 import type { SemiRule } from './semi';
 
 /**
  * All eslint rules.
  */
-export type EslintRules = NoDebuggerRule & QuotesRule & SemiRule;
+export type EslintRules = CommaDangleRule & NoDebuggerRule & QuotesRule & SemiRule;