Commit | Line | Data |
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cbe80532 JA |
1 | var fs = require('fs'), |
2 | events = require('events'), | |
3 | util = require('util'); | |
1360a454 D |
4 | |
5 | var config_filename = 'config.js', | |
11dbb00f | 6 | config_dirs = ['/etc/kiwiirc/', __dirname + '/../'], |
1360a454 | 7 | environment = 'production', |
11dbb00f | 8 | loaded_config = Object.create(null); |
1360a454 | 9 | |
cbe80532 JA |
10 | var Config = function () { |
11 | events.EventEmitter.call(this); | |
12 | }; | |
13 | util.inherits(Config, events.EventEmitter); | |
1360a454 | 14 | |
da0ec4f7 | 15 | Config.prototype.loadConfig = function (manual_config_file) { |
1360a454 | 16 | var new_config, |
33edb4a0 T |
17 | conf_filepath, |
18 | i; | |
1360a454 | 19 | |
da0ec4f7 JA |
20 | if (manual_config_file) { |
21 | if (fs.existsSync(manual_config_file)) { | |
22 | try { | |
23 | if (fs.lstatSync(manual_config_file).isFile() === true) { | |
24 | // Clear the loaded config cache | |
25 | delete require.cache[require.resolve(manual_config_file)]; | |
1360a454 | 26 | |
da0ec4f7 JA |
27 | // Try load the new config file |
28 | new_config = require(manual_config_file); | |
29 | } | |
30 | } catch (e) { | |
31 | console.log('An error occured parsing the config file ' + manual_config_file + ': ' + e.message); | |
32 | process.exit(1); | |
1360a454 | 33 | } |
da0ec4f7 JA |
34 | } else { |
35 | console.log('Could not find config file ' + manual_config_file); | |
36 | process.exit(1); | |
37 | } | |
38 | } else { | |
39 | // Loop through the possible config paths and find a usable one | |
40 | for (i = 0; i < config_dirs.length; i++) { | |
41 | conf_filepath = config_dirs[i] + config_filename; | |
42 | ||
43 | try { | |
44 | if (fs.lstatSync(conf_filepath).isFile() === true) { | |
45 | // Clear the loaded config cache | |
46 | delete require.cache[require.resolve(conf_filepath)]; | |
47 | ||
48 | // Try load the new config file | |
49 | new_config = require(conf_filepath); | |
50 | break; | |
51 | } | |
52 | } catch (e) { | |
53 | switch (e.code) { | |
54 | case 'ENOENT': // No file/dir | |
55 | break; | |
56 | default: | |
57 | console.log('An error occured parsing the config file ' + config_dirs[i] + config_filename + ': ' + e.message); | |
58 | return false; | |
59 | } | |
60 | continue; | |
1360a454 | 61 | } |
1360a454 D |
62 | } |
63 | } | |
64 | ||
65 | if (new_config) { | |
11dbb00f | 66 | loaded_config = new_config; |
0a8a61ad | 67 | global.config = new_config[environment] || {}; |
cbe80532 | 68 | this.emit('loaded'); |
11dbb00f | 69 | return loaded_config; |
1360a454 | 70 | } else { |
11dbb00f | 71 | return false; |
1360a454 | 72 | } |
cbe80532 | 73 | }; |
1360a454 D |
74 | |
75 | ||
76 | ||
cbe80532 | 77 | Config.prototype.setEnvironment = function (new_environment) { |
11dbb00f | 78 | environment = new_environment; |
1360a454 D |
79 | }; |
80 | ||
81 | // Get the current config. Optionally for a different environment than currently set | |
cbe80532 | 82 | Config.prototype.get = function (specific_environment) { |
11dbb00f D |
83 | specific_environment = specific_environment || environment; |
84 | ||
0a8a61ad | 85 | return loaded_config[specific_environment] || {}; |
1360a454 D |
86 | }; |
87 | ||
cbe80532 | 88 | module.exports = new Config(); |