devebot/lib/utils/envcfg.js

Nodejs Microservice Framework

"use strict";

const lodash = require("lodash");
function sanitizePrefix(prefix) {
  return lodash.trim(prefix, "_") + "_";
}
function extractEnv(prefix, cfg = {}) {
  cfg.store = cfg.store || {};
  cfg.paths = cfg.paths || [];
  prefix = sanitizePrefix(prefix);
  for (const envName in process.env) {
    if (lodash.startsWith(envName, prefix)) {
      const realName = lodash.replace(envName, prefix, "");
      const fieldPath = lodash.split(realName, "_");
      if (fieldPath.length > 0) {
        lodash.set(cfg.store, fieldPath, lodash.get(process.env, envName));
        cfg.paths.push(fieldPath);
      }
    }
  }
  return cfg;
}
module.exports = {
  extractEnv
};