[whoops] Add types for whoops (#47000)

types/whoops/index.d.ts

@@ -0,0 +1,26 @@
+// Type definitions for whoops 4.1
+// Project: https://github.com/Kikobeats/whoops
+// Definitions by: Florian Imdahl <https://github.com/ffflorian>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.9
+
+declare namespace createErrorClass {
+    type ExtendError<E extends Error, P extends Record<string, any> = any> = (propsOrMessage?: P | string) => E & P;
+
+    function type(className?: string, props?: Record<string, any>): ExtendError<TypeError>;
+    function range(className?: string, props?: Record<string, any>): ExtendError<RangeError>;
+    // function eval(className?: string, props?: Record<string, any>): ExtendError<EvalError>;
+    function syntax(className?: string, props?: Record<string, any>): ExtendError<SyntaxError>;
+    function reference(className?: string, props?: Record<string, any>): ExtendError<ReferenceError>;
+    function uri(className?: string, props?: Record<string, any>): ExtendError<URIError>;
+}
+
+declare function createErrorClass(className?: string, props?: Record<string, any>): createErrorClass.ExtendError<Error>;
+declare function createErrorClass(className?: 'TypeError', props?: Record<string, any>): createErrorClass.ExtendError<TypeError>;
+declare function createErrorClass(className?: 'RangeError', props?: Record<string, any>): createErrorClass.ExtendError<RangeError>;
+declare function createErrorClass(className?: 'EvalError', props?: Record<string, any>): createErrorClass.ExtendError<EvalError>;
+declare function createErrorClass(className?: 'SyntaxError', props?: Record<string, any>): createErrorClass.ExtendError<SyntaxError>;
+declare function createErrorClass(className?: 'ReferenceError', props?: Record<string, any>): createErrorClass.ExtendError<ReferenceError>;
+declare function createErrorClass(className?: 'URIError', props?: Record<string, any>): createErrorClass.ExtendError<URIError>;
+
+export = createErrorClass;

types/whoops/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictFunctionTypes": true,
+        "strictNullChecks": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "whoops-tests.ts"
+    ]
+}

types/whoops/tslint.json

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+{ "extends": "dtslint/dt.json" }

types/whoops/whoops-tests.ts

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+import whoops = require('whoops');
+
+const simpleUserError = whoops('UserError');
+throw simpleUserError('User not found');
+
+const basicError = whoops();
+throw basicError();
+
+const userError2 = whoops('userError');
+throw userError2();
+
+const extendedError = whoops('userError', { code: 'ENOVALID' });
+extendedError().code;
+
+const extendedUserError = whoops('userError', {
+    code: 'ENOVALID',
+    message: (props: any) => `User '${props.username}' not found`,
+});
+
+extendedUserError({ username: 'kiko' });