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kxxoling/error.ts

Created September 15, 2020 00:23
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  1. kxxoling created this gist Sep 15, 2020.
    21 changes: 21 additions & 0 deletions error.ts
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,21 @@
    // From https://zhuanlan.zhihu.com/p/113019880
    // 使用 BaseError 当作 base Error class
    class BaseError extends Error {
    constructor(message: string) {
    super(message);
    this.name = new.target.name;
    if (typeof (Error as any).captureStackTrace === 'function') {
    (Error as any).captureStackTrace(this, new.target);
    }
    if (typeof Object.setPrototypeOf === 'function') {
    Object.setPrototypeOf(this, new.target.prototype);
    } else {
    (this as any).__proto__ = new.target.prototype;
    }
    }
    }

    // 使用例子
    class MyError extends BaseError {
    // ...
    }