nesh/lib/config.js

An enhanced, extensible shell for Node.js

// Generated by CoffeeScript 1.11.1

/*
Nesh Configuration. Implements a basic configuration system
which can load and save state via JSON. By default this data
is stored in ~/.nesh_config.json, but a custom path can be
passed to the load and save functions.
 */

(function() {
  var _config, config, fs, log, path;

  fs = require('fs');

  log = require('./log');

  path = require('path');

  _config = {};

  config = exports;

  config.home = process.env.HOME || process.env.USERPROFILE;

  config.path = path.join(config.home, '.nesh_config.json');

  config.reset = function() {
    return _config = {};
  };

  config.load = function(path) {
    var e;
    if (path == null) {
      path = config.path;
    }
    if (fs.existsSync(path)) {
      log.debug("Loading config from " + path);
      try {
        return _config = require(path);
      } catch (error) {
        e = error;
        throw "Error loading Nesh config from " + path + ": " + e;
      }
    } else {
      return log.debug("No config found at " + path);
    }
  };

  config.save = function(path) {
    if (path == null) {
      path = config.path;
    }
    return fs.writeFileSync(path, JSON.stringify(_config));
  };

  config.get = function() {
    return _config;
  };

}).call(this);

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