@steemit/steem-js/lib/auth/serializer/src/error_with_cause.js

JavaScript library for the Steem blockchain

"use strict";

/** Exception nesting.  */
class ErrorWithCause {
  constructor(message, cause) {
    this.message = message;
    if (typeof cause !== "undefined" && cause !== null ? cause.message : undefined) {
      this.message = `cause\t${cause.message}\t` + this.message;
    }
    var stack = ""; //(new Error).stack
    if (typeof cause !== "undefined" && cause !== null ? cause.stack : undefined) {
      stack = `caused by\n\t${cause.stack}\t` + stack;
    }
    this.stack = this.message + "\n" + stack;
  }
  static throw(message, cause) {
    var msg = message;
    if (typeof cause !== "undefined" && cause !== null ? cause.message : undefined) {
      msg += `\t cause: ${cause.message} `;
    }
    if (typeof cause !== "undefined" && cause !== null ? cause.stack : undefined) {
      msg += `\n stack: ${cause.stack} `;
    }
    throw new Error(msg);
  }
}
module.exports = ErrorWithCause;