| 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 |
1
878
878
878
878
878
878
878
878
878
878
878
878
873
1
1
5129
1955
3174
3174
1
1
286
1
1
1
2
954
6
948
88
860
860
1
1
1
407
407
407
1
22
1
125
125
128
128
128
128
4
125
2
2
2
2
4
125
135
135
1
22
22
22
32
32
32
22
1
44
42
42
42
42
22
22
2
22
22
20
22
22
22
22
22
22
22
22
22
22
22
1
877
1
731
731
731
731
2996
1
8
8
8
15
15
8
1
26
26
26
1
4
4
4
4
4
7
4
4
12
12
4
1
| /*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
function Chunk(name, module, loc) {
this.id = null;
this.ids = null;
this.name = name;
this.modules = [];
this.chunks = [];
this.parents = [];
this.blocks = [];
this.origins = [];
this.rendered = false;
this.entry = false;
this.initial = false;
if(module) {
this.origins.push({
module: module,
loc: loc,
name: name
});
}
}
module.exports = Chunk;
Chunk.prototype.addModule = function(module) {
if(this.modules.indexOf(module) >= 0) {
return false;
}
this.modules.push(module);
return true;
};
Chunk.prototype._removeAndDo = require("./removeAndDo");
Chunk.prototype.removeModule = function(module) {
this._removeAndDo("modules", module, "removeChunk");
};
Chunk.prototype.removeChunk = function(chunk) {
this._removeAndDo("chunks", chunk, "removeParent");
};
Chunk.prototype.removeParent = function(chunk) {
this._removeAndDo("parents", chunk, "removeChunk");
};
function createAdder(collection) {
return function(chunk) {
if(chunk === this) {
return false;
}
if(this[collection].indexOf(chunk) >= 0) {
return false;
}
this[collection].push(chunk);
return true;
};
}
Chunk.prototype.addChunk = createAdder("chunks");
Chunk.prototype.addParent = createAdder("parents");
Chunk.prototype.addBlock = function(block) {
Iif(this.blocks.indexOf(block) >= 0) {
return false;
}
this.blocks.push(block);
return true;
};
Chunk.prototype.addOrigin = function(module, loc) {
this.origins.push({module: module, loc: loc, name: this.name});
};
Chunk.prototype.remove = function(reason) {
// console.log("remove " + this.toString());
this.modules.slice().forEach(function(m) {
m.removeChunk(this);
}, this);
this.parents.forEach(function(c) {
var idx = c.chunks.indexOf(this);
Eif(idx >= 0) {
c.chunks.splice(idx, 1);
}
this.chunks.forEach(function(cc) {
cc.addParent(c);
});
}, this);
this.chunks.forEach(function(c) {
var idx = c.parents.indexOf(this);
Eif(idx >= 0) {
c.parents.splice(idx, 1);
}
this.parents.forEach(function(cc) {
cc.addChunk(c);
});
}, this);
this.blocks.forEach(function(b) {
b.chunk = null;
b.chunkReason = reason;
}, this);
};
Chunk.prototype.integrate = function(other, reason) {
Iif(!this.canBeIntegrated(other)) {
return false;
}
var otherModules = other.modules.slice();
otherModules.forEach(function(m) {
m.removeChunk(other);
m.addChunk(this);
this.addModule(m);
}, this);
other.modules.length = 0;
function moveChunks(chunks, kind, onChunk) {
chunks.forEach(function(c) {
var idx = c[kind].indexOf(other);
Eif(idx >= 0) {
c[kind].splice(idx, 1);
}
onChunk(c);
});
}
moveChunks(other.parents, "chunks", function(c) {
if(c !== this && this.addParent(c)) {
c.addChunk(this);
}
}.bind(this));
other.parents.length = 0;
moveChunks(other.chunks, "parents", function(c) {
Iif(c !== this && this.addChunk(c)) {
c.addParent(this);
}
}.bind(this));
other.chunks.length = 0;
other.blocks.forEach(function(b) {
b.chunk = this;
b.chunkReason = reason;
this.addBlock(b);
}, this);
other.blocks.length = 0;
other.origins.forEach(function(origin) {
Eif(!origin.reasons) {
origin.reasons = [reason];
} else if(origin.reasons[0] !== reason) {
origin.reasons.unshift(reason);
}
this.origins.push(origin);
}, this);
return true;
};
Chunk.prototype.isEmpty = function() {
return (this.modules.length === 0);
};
Chunk.prototype.updateHash = function(hash) {
hash.update(this.id + " ");
hash.update(this.ids ? this.ids.join(",") : "");
hash.update(this.name + "");
this.modules.forEach(function(m) {
m.updateHash(hash);
});
};
Chunk.prototype.size = function(options) {
var CHUNK_OVERHEAD = options.chunkOverhead || 10000;
var ENTRY_CHUNK_MULTIPLICATOR = options.entryChunkMultiplicator || 10;
var modulesSize = this.modules.map(function(m) {
return m.size();
}).reduce(function(a, b) {
return a + b;
}, 0);
return modulesSize * (this.initial ? ENTRY_CHUNK_MULTIPLICATOR : 1) + CHUNK_OVERHEAD;
};
Chunk.prototype.canBeIntegrated = function(other) {
Iif(other.initial) {
return false;
}
Iif(this.initial) {
if(other.parents.length !== 1 || other.parents[0] !== this) {
return false;
}
}
return true;
};
Chunk.prototype.integratedSize = function(other, options) {
// Chunk if it's possible to integrate this chunks
Iif(!this.canBeIntegrated(other)) {
return false;
}
var CHUNK_OVERHEAD = options.chunkOverhead || 10000;
var ENTRY_CHUNK_MULTIPLICATOR = options.entryChunkMultiplicator || 10;
var mergedModules = this.modules.slice();
other.modules.forEach(function(m) {
if(this.modules.indexOf(m) < 0) {
mergedModules.push(m);
}
}, this);
var modulesSize = mergedModules.map(function(m) {
return m.size();
}).reduce(function(a, b) {
return a + b;
}, 0);
return modulesSize * (this.initial || other.initial ? ENTRY_CHUNK_MULTIPLICATOR : 1) + CHUNK_OVERHEAD;
};
Chunk.prototype.toString = function() {
return "Chunk[" + this.modules.join() + "]";
}; |