cli/config.js

   1 /* jshint node:true */
   2
   3 'use strict';
   4
   5 var fs = require('fs'),
   6     path = require('path'),
   7     safe = require('safetydance'),
   8     _ = require('underscore');
   9
  10 exports = module.exports = {
  11     clear: clear,
  12     set: set,
  13     get: get,
  14     unset: unset,
  15     has: has,
  16
  17     // convenience
  18     server: function () { return get('server'); }
  19 };
  20
  21 var HOME = process.env.HOME || process.env.HOMEPATH || process.env.USERPROFILE;
  22 var CONFIG_FILE_PATH = path.join(HOME, '.surfer.json');
  23
  24 var gConfig = (function () {
  25     return safe.JSON.parse(safe.fs.readFileSync(CONFIG_FILE_PATH)) || {};
  26 })();
  27
  28 function save() {
  29     fs.writeFileSync(CONFIG_FILE_PATH, JSON.stringify(gConfig, null, 4));
  30 }
  31
  32 function clear() {
  33     safe.fs.unlinkSync(CONFIG_FILE_PATH);
  34 }
  35
  36 function set(key, value) {
  37     if (typeof key === 'object') {
  38         _.extend(gConfig, key);
  39     } else {
  40         safe.set(gConfig, key, value);
  41     }
  42     save();
  43 }
  44
  45 function get(key) {
  46     return safe.query(gConfig, key);
  47 }
  48
  49 function unset(key /*, .... */) {
  50     for (var i = 0; i < arguments.length; i++) {
  51         gConfig = safe.unset(gConfig, arguments[i]);
  52     }
  53
  54     save();
  55 }
  56
  57 function has(key /*, ... */) {
  58     for (var i = 0; i < arguments.length; i++) {
  59         if (!(arguments[i] in gConfig)) return false;
  60     }
  61     return true;
  62 }