alexia/src/error-handler.js

A Framework for creating Amazon Echo (Alexa) skills using Node.js

'use strict';

const stackTrace = require('stack-trace');

module.exports = {
  /**
   * @returns {string} formatted stack trace for errors
   * Evaluates every stack trace item and compose them together to make sure nothing important is missing
   */
  parseError: (e) => {
    const error = stackTrace.parse(e);
    let res = [];

    res.push(`Error: ${e.message}`);

    error.forEach((trace) => {
      if (trace.fileName && trace.lineNumber && trace.columnNumber) {
        const functionName = trace.functionName || '';
        const struct = `\t at ${functionName} (${trace.fileName}:${trace.lineNumber}:${trace.columnNumber})`;
        res.push(struct);
      }
    });

    return res.join('\n');
  }
};