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