forked from webpack/webpack
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathNodeMainTemplatePlugin.js
More file actions
164 lines (163 loc) · 6.54 KB
/
NodeMainTemplatePlugin.js
File metadata and controls
164 lines (163 loc) · 6.54 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
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
var Template = require("../Template");
function NodeMainTemplatePlugin(asyncChunkLoading) {
this.asyncChunkLoading = asyncChunkLoading;
}
module.exports = NodeMainTemplatePlugin;
NodeMainTemplatePlugin.prototype.apply = function(mainTemplate) {
var self = this;
mainTemplate.plugin("local-vars", function(source, chunk) {
if(chunk.chunks.length > 0) {
return this.asString([
source,
"",
"// object to store loaded chunks",
"// \"1\" means \"already loaded\"",
"var installedChunks = {",
this.indent(
chunk.ids.map(function(id) {
return id + ":1";
}).join(",\n")
),
"};"
]);
}
return source;
});
mainTemplate.plugin("require-ensure", function(_, chunk, hash) {
var filename = this.outputOptions.filename || "bundle.js";
var chunkFilename = this.outputOptions.chunkFilename || "[id]." + filename;
var chunkMaps = chunk.getChunkMaps();
var insertMoreModules = [
"var moreModules = chunk.modules, chunkIds = chunk.ids;",
"for(var moduleId in moreModules) {",
this.indent(this.renderAddModule(hash, chunk, "moduleId", "moreModules[moduleId]")),
"}"
];
if(self.asyncChunkLoading) {
return this.asString([
"if(installedChunks[chunkId] === 1) callback.call(null, " + this.requireFn + ");",
"else if(!installedChunks[chunkId]) {",
this.indent([
"installedChunks[chunkId] = [callback];",
"var filename = __dirname + " + this.applyPluginsWaterfall("asset-path", JSON.stringify("/" + chunkFilename), {
hash: "\" + " + this.renderCurrentHashCode(hash) + " + \"",
hashWithLength: function(length) {
return "\" + " + this.renderCurrentHashCode(hash, length) + " + \"";
}.bind(this),
chunk: {
id: "\" + chunkId + \"",
hash: "\" + " + JSON.stringify(chunkMaps.hash) + "[chunkId] + \"",
hashWithLength: function(length) {
var shortChunkHashMap = {};
Object.keys(chunkMaps.hash).forEach(function(chunkId) {
if(typeof chunkMaps.hash[chunkId] === "string")
shortChunkHashMap[chunkId] = chunkMaps.hash[chunkId].substr(0, length);
});
return "\" + " + JSON.stringify(shortChunkHashMap) + "[chunkId] + \"";
},
name: "\" + (" + JSON.stringify(chunkMaps.name) + "[chunkId]||chunkId) + \""
}
}) + ";",
"require('fs').readFile(filename, 'utf-8', function(err, content) {",
this.indent([
"if(err) { if(" + this.requireFn + ".onError) return " + this.requireFn + ".onError(err); else throw err; }",
"var chunk = {};",
"require('vm').runInThisContext('(function(exports, require, __dirname, __filename) {' + content + '\\n})', filename)" +
"(chunk, require, require('path').dirname(filename), filename);"
].concat(insertMoreModules).concat([
"var callbacks = [];",
"for(var i = 0; i < chunkIds.length; i++) {",
this.indent([
"if(Array.isArray(installedChunks[chunkIds[i]]))",
this.indent([
"callbacks = callbacks.concat(installedChunks[chunkIds[i]]);"
]),
"installedChunks[chunkIds[i]] = 1;"
]),
"}",
"for(i = 0; i < callbacks.length; i++)",
this.indent("callbacks[i].call(null, " + this.requireFn + ");")
])),
"});"
]),
"} else installedChunks[chunkId].push(callback);"
]);
} else {
var request = this.applyPluginsWaterfall("asset-path", JSON.stringify("./" + chunkFilename), {
hash: "\" + " + this.renderCurrentHashCode(hash) + " + \"",
hashWithLength: function(length) {
return "\" + " + this.renderCurrentHashCode(hash, length) + " + \"";
}.bind(this),
chunk: {
id: "\" + chunkId + \"",
hash: "\" + " + JSON.stringify(chunkMaps.hash) + "[chunkId] + \"",
hashWithLength: function(length) {
var shortChunkHashMap = {};
Object.keys(chunkMaps.hash).forEach(function(chunkId) {
if(typeof chunkMaps.hash[chunkId] === "string")
shortChunkHashMap[chunkId] = chunkMaps.hash[chunkId].substr(0, length);
});
return "\" + " + JSON.stringify(shortChunkHashMap) + "[chunkId] + \"";
},
name: "\" + (" + JSON.stringify(chunkMaps.name) + "[chunkId]||chunkId) + \""
}
});
return this.asString([
"// \"1\" is the signal for \"already loaded\"",
"if(!installedChunks[chunkId]) {",
this.indent([
"var chunk = require(" + request + ");"
].concat(insertMoreModules).concat([
"for(var i = 0; i < chunkIds.length; i++)",
this.indent("installedChunks[chunkIds[i]] = 1;")
])),
"}",
"callback.call(null, " + this.requireFn + ");"
]);
}
});
mainTemplate.plugin("hot-bootstrap", function(source, chunk, hash) {
var hotUpdateChunkFilename = this.outputOptions.hotUpdateChunkFilename;
var hotUpdateMainFilename = this.outputOptions.hotUpdateMainFilename;
var chunkMaps = chunk.getChunkMaps();
var currentHotUpdateChunkFilename = this.applyPluginsWaterfall("asset-path", JSON.stringify(hotUpdateChunkFilename), {
hash: "\" + " + this.renderCurrentHashCode(hash) + " + \"",
hashWithLength: function(length) {
return "\" + " + this.renderCurrentHashCode(hash, length) + " + \"";
}.bind(this),
chunk: {
id: "\" + chunkId + \"",
hash: "\" + " + JSON.stringify(chunkMaps.hash) + "[chunkId] + \"",
hashWithLength: function(length) {
var shortChunkHashMap = {};
Object.keys(chunkMaps.hash).forEach(function(chunkId) {
if(typeof chunkMaps.hash[chunkId] === "string")
shortChunkHashMap[chunkId] = chunkMaps.hash[chunkId].substr(0, length);
});
return "\" + " + JSON.stringify(shortChunkHashMap) + "[chunkId] + \"";
},
name: "\" + (" + JSON.stringify(chunkMaps.name) + "[chunkId]||chunkId) + \""
}
});
var currentHotUpdateMainFilename = this.applyPluginsWaterfall("asset-path", JSON.stringify(hotUpdateMainFilename), {
hash: "\" + " + this.renderCurrentHashCode(hash) + " + \"",
hashWithLength: function(length) {
return "\" + " + this.renderCurrentHashCode(hash, length) + " + \"";
}.bind(this)
});
return Template.getFunctionContent(self.asyncChunkLoading ? require("./NodeMainTemplateAsync.runtime.js") : require("./NodeMainTemplate.runtime.js"))
.replace(/\$require\$/g, this.requireFn)
.replace(/\$hotMainFilename\$/g, currentHotUpdateMainFilename)
.replace(/\$hotChunkFilename\$/g, currentHotUpdateChunkFilename);
});
mainTemplate.plugin("hash", function(hash) {
hash.update("node");
hash.update("3");
hash.update(this.outputOptions.filename + "");
hash.update(this.outputOptions.chunkFilename + "");
});
};