This repository was archived by the owner on Aug 21, 2020. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 55
Expand file tree
/
Copy pathindex.js
More file actions
255 lines (216 loc) · 6.31 KB
/
index.js
File metadata and controls
255 lines (216 loc) · 6.31 KB
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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
var fs = require('fs');
var path = require('path');
var conf;
var modules;
function readResourceFile(fileName) {
return fs.readFileSync(
path.join(__dirname, 'resource', fileName),
'UTF-8'
);
}
var eslCode = readResourceFile('esl.js');
var wrapStart = readResourceFile('all-start.js');
var wrapNut = readResourceFile('all-nut.js');
var wrapEndTpl = readResourceFile('all-end.js');
var HIGH_WEIGHT = 100;
var BUILTIN_MODULES = ['require', 'module', 'exports'];
var amd = require('./lib/amd');
var analyse = require('./lib/analyse');
var etpl = require('./lib/etpl');
etpl.config({
commandOpen: '/**',
commandClose: '*/'
});
exports.setConf = function (customConf) {
conf = customConf || require('./conf');
modules = conf.modules;
amd.config(conf.amd);
};
var distDir = path.join(process.cwd(), 'dist');
exports.setDistDir = function (dir) {
if (dir) {
distDir = dir;
}
};
exports.getDistDir = function () {
return distDir;
};
function writeFile(file, content) {
var filePath = path.join(distDir, file);
require('mkdirp').sync(path.dirname(filePath));
fs.writeFileSync(filePath, content, 'UTF-8');
}
exports.analyse = function (debug) {
var main = modules.main;
// analyse dependencies
main.dependencies = subtract(analyse(main.name, 1, {}, main.exclude), BUILTIN_MODULES);
debug && writeFile('analyses/echarts.dependencies', main.dependencies.join('\n'));
modules.parts.forEach(function (mod) {
mod.dependencies = subtract(analyse(mod.name, 1, {}, mod.exclude), BUILTIN_MODULES);
debug && writeFile(
'analyses/' + mod.name.split('/').join('.') + '.dependencies',
mod.dependencies.join('\n')
);
});
// analyse extra dependencies of main module
var extraMainDependencies;
modules.parts.forEach(function (mod) {
if (mod.weight >= HIGH_WEIGHT) {
if (!extraMainDependencies) {
extraMainDependencies = mod.dependencies;
}
else {
extraMainDependencies = intersect(extraMainDependencies, mod.dependencies);
}
}
});
extraMainDependencies = extraMainDependencies || [];
// analyse expect dependencies for all modules
main.expectDependencies = union(main.dependencies, extraMainDependencies);
debug && writeFile('analyses/echarts.dependencies.expect', main.expectDependencies.join('\n'));
modules.parts.forEach(function (mod) {
mod.expectDependencies = subtract(mod.dependencies, main.expectDependencies);
if (mod.includeShallow) {
Array.prototype.push.apply(mod.expectDependencies, mod.includeShallow);
}
debug && writeFile(
'analyses/' + mod.name.split('/').join('.') + '.dependencies.expect',
mod.expectDependencies.join('\n')
);
});
};
exports.packAsDemand = function () {
var main = modules.main;
var includeEsl = conf.includeEsl == null ? true : conf.includeEsl;
// write built source
writeCompiledCode(
(conf.name || 'echarts') + '.js', main.name, main.expectDependencies,
includeEsl ? eslCode : ''
);
modules.parts.forEach(function (mod) {
writeCompiledCode(
mod.name.slice(mod.name.indexOf('/') + 1) + '.js',
mod.name,
mod.expectDependencies
);
});
};
exports.packAsAll = function () {
var main = modules.main;
// calc modules list
var mods = [main.name];
mods = union(mods, main.expectDependencies);
modules.parts.forEach(function (mod) {
mods = union(mods, [mod.name]);
mods = union(mods, mod.expectDependencies);
});
// combine built code
var result = ''
mods.forEach(function (mod) {
result += analyse.getAnalysed(mod).builtCode;
});
// write file by wrapped code
var hasMap = modules.parts.filter(function (mod) {
return mod.name.indexOf('chart/map') >= 0;
}).length > 0;
var wrapEnd = etpl.compile(wrapEndTpl)({
parts: modules.parts,
hasMap: hasMap
});
var code = wrapStart + wrapNut + result + wrapEnd;
var name = (conf.name || 'echarts') + '-all';
writeFile(
'source/' + name + '.js', code
);
writeFile(
'dist/' + name + '.js',
jsCompress(code)
);
};
function jsCompress(source) {
var UglifyJS = require('uglify-js');
var ast = UglifyJS.parse(source);
/* jshint camelcase: false */
// compressor needs figure_out_scope too
ast.figure_out_scope();
ast = ast.transform(UglifyJS.Compressor( {} ));
// need to figure out scope again so mangler works optimally
ast.figure_out_scope();
ast.compute_char_frequency();
ast.mangle_names();
return ast.print_to_string();
}
function writeCompiledCode(file, moduleId, expectDependencies, beforeContent) {
var result = beforeContent || '';
result += analyse.getAnalysed(moduleId).builtCode;
expectDependencies.forEach(function (dep) {
var depInfo = analyse.getAnalysed(dep);
if (depInfo) {
result += depInfo.builtCode;
}
});
writeFile('source/' + file, result);
writeFile('dist/' + file, jsCompress(result));
}
/**
* 并集
*
* @return {Array}
*/
function union(a, b) {
var exists = {};
var result = [];
a.forEach(function (item) {
if (!exists[item]) {
exists[item] = 1;
result.push(item);
}
});
b.forEach(function (item) {
if (!exists[item]) {
exists[item] = 1;
result.push(item);
}
});
return result;
}
/**
* 交集
*
* @return {Array}
*/
function intersect(a, b) {
var index = {};
var result = [];
var exists = {};
a.forEach(function (item) {
index[item] = 1;
});
b.forEach(function (item) {
if (index[item] && !exists[item]) {
result.push(item);
exists[item] = 1;
}
});
return result;
}
/**
* 差集
*
* @return {Array}
*/
function subtract(a, b) {
var index = {};
b.forEach(function (item) {
index[item] = 1;
});
var result = [];
var exists = {};
a.forEach(function (item) {
if (!index[item] && !exists[item]) {
result.push(item);
exists[item] = 1;
}
});
return result;
}