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| /*
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, hash) {
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 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 + " + JSON.stringify("/" + chunkFilename
.replace(Template.REGEXP_HASH, hash)
.replace(Template.REGEXP_NAME, "(not implemented)")
.replace(Template.REGEXP_CHUNKHASH, "(not implemented)"))
.replace(Template.REGEXP_ID, "\" + 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 {
return this.asString([
"// \"1\" is the signal for \"already loaded\"",
"if(!installedChunks[chunkId]) {",
this.indent([
"var chunk = require(" +
JSON.stringify("./" + chunkFilename
.replace(Template.REGEXP_HASH, hash)
.replace(Template.REGEXP_NAME, "(not implemented)")
.replace(Template.REGEXP_CHUNKHASH, "(not implemented)"))
.replace(Template.REGEXP_ID, "\" + chunkId + \"") + ");"
].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 hotUpdateFunction = this.outputOptions.hotUpdateFunction || ("webpackHotUpdate" + (this.outputOptions.library || ""));
var currentHotUpdateChunkFilename = JSON.stringify(hotUpdateChunkFilename)
.replace(Template.REGEXP_HASH, "\" + " + this.renderCurrentHashCode(hash) + " + \"")
.replace(Template.REGEXP_ID, "\" + chunkId + \"");
var currentHotUpdateMainFilename = JSON.stringify(hotUpdateMainFilename)
.replace(Template.REGEXP_HASH, "\" + " + this.renderCurrentHashCode(hash) + " + \"");
return Template.getFunctionContent(self.asyncChunkLoading ? function() {
function hotDownloadUpdateChunk(chunkId) {
var filename = require("path").join(__dirname, $hotChunkFilename$);
require("fs").readFile(filename, "utf-8", function(err, content) {
if(err) {
if($require$.onError)
return $require$.onError(err);
else
throw err;
}
var chunk = {};
require("vm").runInThisContext("(function(exports) {" + content + "\n})", filename)(chunk);
hotAddUpdateChunk(chunk.id, chunk.modules);
});
}
function hotDownloadManifest(callback) {
var filename = require("path").join(__dirname, $hotMainFilename$);
require("fs").readFile(filename, "utf-8", function(err, content) {
if(err) return callback();
try {
var update = JSON.parse(content);
} catch(e) {
return callback(e);
}
callback(null, update);
});
}
} : function() {
function hotDownloadUpdateChunk(chunkId) {
var chunk = require("./" + $hotChunkFilename$);
hotAddUpdateChunk(chunk.id, chunk.modules);
}
function hotDownloadManifest(callback) {
try {
var update = require("./" + $hotMainFilename$);
} catch(e) {
return callback();
}
callback(null, update);
}
})
.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 + "");
});
};
|