devebot/lib/utils/loader.js

Nodejs Microservice Framework

"use strict";

const nodash = require("./nodash");
const MAPPINGS = {
  "MODULE_NOT_FOUND": "Module not found"
};
function _logit(L, level) {
  L = nodash.isObject(L) && nodash.isFunction(L.has) && nodash.isFunction(L.log) && L || null;
  L && L.has(level) && L.log.apply(Array.prototype.slice.call(arguments, 1));
}
function loader(name, opts = {}) {
  const _ref_ = {
    pkg: {}
  };
  try {
    _ref_.pkg = require(name); // eslint-disable-line
    _logit(opts.logger, "debug", " - file %s is loading ... ok", name);
  } catch (err) {
    if (err.code) {
      if (MAPPINGS[err.code]) {
        _logit(opts.logger, "debug", " - file %s is loading ... failed. Reason: %s", name, MAPPINGS[err.code]);
      } else {
        _logit(opts.logger, "debug", " - file %s is loading ... failed. Error code: %s", name, err.code);
      }
    } else {
      _logit(opts.logger, "debug", " - file %s is loading ... failed. Error message: %s", name, err.message);
    }
    if (opts.stopWhenError) {
      _logit(opts.logger, "error", " - loading module file [%s] throw error.", name);
      throw err;
    }
  }
  return _ref_.pkg;
}
module.exports = loader;