3 * Copyright 2018 Palantir Technologies, Inc.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 * Generic error typing for EcmaScript errors
19 * Define `Error` here to avoid using `Error` from @types/node.
20 * Using the `node` version causes a compilation error when this code is used as an npm library if @types/node is not already imported.
22 export declare class Error {
26 constructor(message?: string);
29 * Used to exit the program and display a friendly message without the callstack.
31 export declare class FatalError extends Error {
33 innerError?: Error | undefined;
35 constructor(message: string, innerError?: Error | undefined);
37 export declare function isError(possibleError: any): possibleError is Error;
38 export declare function showWarningOnce(message: string): void;
39 export declare function showRuleCrashWarning(message: string, ruleName: string, fileName: string): void;