Add rule @typescript-eslint/await-thenable

Author: Shinigami92

src/rules/typescript-eslint/await-thenable.d.ts

@@ -0,0 +1,22 @@
+import type { RuleConfig } from '../rule-config';
+
+/**
+ * Disallows awaiting a value that is not a Thenable.
+ *
+ * @see [await-thenable](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/await-thenable.md)
+ */
+export type AwaitThenableRuleConfig = RuleConfig<[]>;
+
+/**
+ * Disallows awaiting a value that is not a Thenable.
+ *
+ * @see [await-thenable](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/await-thenable.md)
+ */
+export interface AwaitThenableRule {
+  /**
+   * Disallows awaiting a value that is not a Thenable.
+   *
+   * @see [await-thenable](https://github.com/typescript-eslint/typescript-eslint/blob/master/packages/eslint-plugin/docs/rules/await-thenable.md)
+   */
+  '@typescript-eslint/await-thenable': AwaitThenableRuleConfig;
+}

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

@@ -1,5 +1,6 @@
 import type { AdjacentOverloadSignaturesRule } from './adjacent-overload-signatures';
 import type { ArrayTypeRule } from './array-type';
+import type { AwaitThenableRule } from './await-thenable';
 import type { BanTsCommentRule } from './ban-ts-comment';
 import type { ExplicitFunctionReturnTypeRule } from './explicit-function-return-type';
 import type { InterfaceNamePrefixRule } from './interface-name-prefix';
@@ -20,6 +21,7 @@ import type { TypedefRule } from './typedef';
  */
 export type TypeScriptEslintRules = AdjacentOverloadSignaturesRule &
   ArrayTypeRule &
+  AwaitThenableRule &
   BanTsCommentRule &
   ExplicitFunctionReturnTypeRule &
   InterfaceNamePrefixRule &