-
Notifications
You must be signed in to change notification settings - Fork 0
/
index.js
178 lines (151 loc) · 3.97 KB
/
index.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
/*
* Copyright(c) 2015 Two Bucks Ltd.
* MIT Licensed
*/
var fs = require('fs')
var chdir = require('chdir')
var merge = require('deep-extend')
var homeDir = require('home-dir')
var path = require('path')
var execSync = require('child_process').execSync
var TemplateError = require('./template_error')
module.exports = {
/*
* Entry point. Creates NPM package directory
* that is ready for development.
*
* @param {string} name the package name
* @param {string} description the package description
* @param {function} callback
*
* @public
*/
exec: function (name, description, callback) {
var self = this
var callback = callback || function(){}
if (typeof (description) === 'function') {
callback = description
}
makeDir(name, function (error) {
if (error) {
throw error
}
var packageJSON = path.join(__dirname, 'template', 'package.json')
var t = template(packageJSON)
self.__copyLicense(name)
self.__copyReadme(name, description)
writePackageJSON(name, description, t, readBruckRC())
self.__gitInit(name)
callback()
})
},
/*
* Copies license from template.
*
* @param {string} dir target directory
*
* @private
*/
__copyLicense: function(dir){
var template = fs.readFileSync(path.join(__dirname, 'template', 'LICENSE'), 'utf8')
fs.writeFileSync(path.join(dir, 'LICENSE'), this.__evaluteTemplate(template))
},
/*
* Copies readme from template.
*
* @param {string} dir target directory
*
* @private
*/
__copyReadme: function(name, description){
var template = fs.readFileSync(path.join(__dirname, 'template', 'README.md'), 'utf8')
fs.writeFileSync(path.join(name, 'README.md'), this.__evaluteTemplate(template, name, description))
},
/*
* Initializes a new git repo inside a given directory.
*
* @param {string} dir target directory
*
* @private
*/
__gitInit: function(dir){
return execSync("cd " + dir + "; git init && git commit -am 'initial commit'; cd -")
},
/*
* Evaluates expressions inside a template.
* Expressions are surrounded with %{} tags.
*
* Example:
*
* __evaluateTemplate("%{1 + 2}") === "3" // true
*
* @param {string} template
* @returns {string} string after evaluation of all expressions
*
* @private
*/
__evaluteTemplate: function(template, name, description){
description = description || ""
try {
return template.replace(/\%\{([^\}]*)\}/g, function(_, match){
return eval(match).toString()
})
} catch(ex) {
throw new TemplateError(ex)
}
},
}
/*
* Writes package.json by combining options passed.
* Options from config take precedence.
*
* @param {string} directory target directory
* @param {string} description
* @param {Object} templateOptions
* @param {Object} [configOptions] options read from config (~/.bruckrc by default)
*
* @private
*/
function writePackageJSON (directory, description, templateOptions, configOptions) {
configOptions['description'] = description || configOptions['description']
configOptions['name'] = directory || configOptions['name']
fs.appendFileSync(path.join(directory, 'package.json'),
JSON.stringify(merge(templateOptions, configOptions), null, 2))
}
/*
* Reads file from template directory.
*
* @param {string} path path to file to be read
* @returns {Object}
*
* @private
*/
function template (filePath) {
return JSON.parse(fs.readFileSync(filePath))
}
/*
* Reads from config file.
*
* @param {string} [configPath="$HOME/.bruckrc"] path to config file
*
* @private
*/
function readBruckRC (configPath) {
configPath = configPath || homeDir('.bruckrc')
try {
return JSON.parse(fs.readFileSync(configPath))
} catch (ex) {
return {}
}
}
/*
* Creates empty directory.
*
* @param {string} dir the directory name
* @param {function} callback
*
* @private
*/
function makeDir (dir, callback) {
fs.mkdir(dir, callback)
}