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     username: function () { return get('username'); },
  20     password: function () { return get('password'); }
  21 };
  22
  23 var HOME = process.env.HOME || process.env.HOMEPATH || process.env.USERPROFILE;
  24 var CONFIG_FILE_PATH = path.join(HOME, '.surfer.json');
  25
  26 var gConfig = (function () {
  27     return safe.JSON.parse(safe.fs.readFileSync(CONFIG_FILE_PATH)) || {};
  28 })();
  29
  30 function save() {
  31     fs.writeFileSync(CONFIG_FILE_PATH, JSON.stringify(gConfig, null, 4));
  32 }
  33
  34 function clear() {
  35     safe.fs.unlinkSync(CONFIG_FILE_PATH);
  36 }
  37
  38 function set(key, value) {
  39     if (typeof key === 'object') {
  40         _.extend(gConfig, key);
  41     } else {
  42         safe.set(gConfig, key, value);
  43     }
  44     save();
  45 }
  46
  47 function get(key) {
  48     return safe.query(gConfig, key);
  49 }
  50
  51 function unset(key /*, .... */) {
  52     for (var i = 0; i < arguments.length; i++) {
  53         gConfig = safe.unset(gConfig, arguments[i]);
  54     }
  55
  56     save();
  57 }
  58
  59 function has(key /*, ... */) {
  60     for (var i = 0; i < arguments.length; i++) {
  61         if (!(arguments[i] in gConfig)) return false;
  62     }
  63     return true;
  64 }