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| /*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
var Template = require("./Template");
function JsonpMainTemplatePlugin() {
}
module.exports = JsonpMainTemplatePlugin;
JsonpMainTemplatePlugin.prototype.constructor = JsonpMainTemplatePlugin;
JsonpMainTemplatePlugin.prototype.apply = function(mainTemplate) {
mainTemplate.plugin("local-vars", function(source, chunk, hash) {
if(chunk.chunks.length > 0) {
return this.asString([
source,
"",
"// object to store loaded and loading chunks",
'// "0" means "already loaded"',
'// Array means "loading", array contains callbacks',
"var installedChunks = {",
this.indent(
chunk.ids.map(function(id) {
return id + ":0"
}).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 chunkHashMap = {};
var chunkNameMap = {};
(function addChunk(c) {
if(c.id in chunkHashMap) return;
if(c.entry)
chunkHashMap[c.id] = undefined;
else
chunkHashMap[c.id] = c.renderedHash;
chunkNameMap[c.id] = c.name || undefined;
c.chunks.forEach(addChunk);
}(chunk));
return this.asString([
"// \"0\" is the signal for \"already loaded\"",
"if(installedChunks[chunkId] === 0)",
this.indent("return callback.call(null, " + this.requireFn + ");"),
"",
"// an array means \"currently loading\".",
"if(installedChunks[chunkId] !== undefined) {",
this.indent("installedChunks[chunkId].push(callback);"),
"} else {",
this.indent([
"// start chunk loading",
"installedChunks[chunkId] = [callback];",
"var head = document.getElementsByTagName('head')[0];",
"var script = document.createElement('script');",
"script.type = 'text/javascript';",
"script.charset = 'utf-8';",
"script.src = " + this.requireFn + ".p + " +
JSON.stringify(chunkFilename)
.replace(Template.REGEXP_HASH, "\" + " + this.renderCurrentHashCode(hash) + " + \"")
.replace(Template.REGEXP_CHUNKHASH, "\" + " + JSON.stringify(chunkHashMap) + "[chunkId] + \"")
.replace(Template.REGEXP_NAME, "\" + (" + JSON.stringify(chunkNameMap) + "[chunkId]||chunkId) + \"")
.replace(Template.REGEXP_ID, "\" + chunkId + \"") + ";",
"head.appendChild(script);"
]),
"}"
]);
});
mainTemplate.plugin("bootstrap", function(source, chunk, hash) {
if(chunk.chunks.length > 0) {
var jsonpFunction = this.outputOptions.jsonpFunction || ("webpackJsonp" + (this.outputOptions.library || ""));
return this.asString([
source,
"",
"// install a JSONP callback for chunk loading",
"var parentJsonpFunction = window[" + JSON.stringify(jsonpFunction) + "];",
"window[" + JSON.stringify(jsonpFunction) + "] = function webpackJsonpCallback(chunkIds, moreModules) {",
this.indent([
'// add "moreModules" to the modules object,',
'// then flag all "chunkIds" as loaded and fire callback',
"var moduleId, chunkId, i = 0, callbacks = [];",
"for(;i < chunkIds.length; i++) {",
this.indent([
"chunkId = chunkIds[i];",
"if(installedChunks[chunkId])",
this.indent("callbacks.push.apply(callbacks, installedChunks[chunkId]);"),
"installedChunks[chunkId] = 0;"
]),
"}",
"for(moduleId in moreModules) {",
this.indent(this.renderAddModule(hash, chunk, "moduleId", "moreModules[moduleId]")),
"}",
"if(parentJsonpFunction) parentJsonpFunction(chunkIds, moreModules);",
"while(callbacks.length)",
this.indent("callbacks.shift().call(null, " + this.requireFn + ");"),
(this.entryPointInChildren(chunk) ? [
"if(moreModules[0]) {",
this.indent([
"installedModules[0] = 0;",
this.requireFn + "(0);"
]),
"}"
] : "")
]),
"};"
]);
}
return source;
});
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 source + "\nthis[" + JSON.stringify(hotUpdateFunction) + "] = " + Template.getFunctionContent(function() {
function webpackHotUpdateCallback(chunkId, moreModules) {
hotAddUpdateChunk(chunkId, moreModules);
}
function hotDownloadUpdateChunk(chunkId) {
var head = document.getElementsByTagName('head')[0];
var script = document.createElement('script');
script.type = 'text/javascript';
script.charset = 'utf-8';
script.src = $require$.p + $hotChunkFilename$;
head.appendChild(script);
}
function hotDownloadManifest(callback) {
if(typeof XMLHttpRequest === "undefined")
return callback(new Error("No browser support"));
try {
var request = new XMLHttpRequest();
request.open("GET", $require$.p + $hotMainFilename$, true);
request.send(null);
} catch(err) {
return callback(err);
}
request.onreadystatechange = function() {
if(request.readyState !== 4) return;
if(request.status !== 200 && request.status !== 304) {
callback();
} else {
try {
var update = JSON.parse(request.responseText);
} catch(e) {
callback();
return;
}
callback(null, update);
}
};
}
})
.replace(/\$require\$/g, this.requireFn)
.replace(/\$hotMainFilename\$/g, currentHotUpdateMainFilename)
.replace(/\$hotChunkFilename\$/g, currentHotUpdateChunkFilename)
.replace(/\$hash\$/g, JSON.stringify(hash))
});
mainTemplate.plugin("hash", function(hash) {
hash.update("jsonp");
hash.update("4");
hash.update(this.outputOptions.filename + "");
hash.update(this.outputOptions.chunkFilename + "");
hash.update(this.outputOptions.jsonpFunction + "");
hash.update(this.outputOptions.library + "");
});
};
|