mirror of https://github.com/webpack/webpack.git
75 lines
2.3 KiB
JavaScript
75 lines
2.3 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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var Template = require("../Template");
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function WebWorkerMainTemplatePlugin() {
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}
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module.exports = WebWorkerMainTemplatePlugin;
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WebWorkerMainTemplatePlugin.prototype.apply = function(mainTemplate) {
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mainTemplate.plugin("local-vars", function(source, chunk, hash) {
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if(chunk.chunks.length > 0) {
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return this.asString([
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source,
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"",
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"// object to store loaded chunks",
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'// "1" means "already loaded"',
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"var installedChunks = {",
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this.indent(
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chunk.ids.map(function(id) {
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return id + ":1"
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}).join(",\n")
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),
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"};"
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]);
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}
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return source;
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});
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mainTemplate.plugin("require-ensure", function(_, chunk, hash) {
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var filename = this.outputOptions.filename || "bundle.js";
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var chunkFilename = this.outputOptions.chunkFilename || "[id]." + filename;
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return this.asString([
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"// \"1\" is the signal for \"already loaded\"",
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"if(!installedChunks[chunkId]) {",
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this.indent([
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"importScripts(" +
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JSON.stringify(chunkFilename
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.replace(Template.REGEXP_NAME, ""))
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.replace(Template.REGEXP_HASH, "\" + " + this.renderCurrentHashCode(hash) + " + \"")
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.replace(Template.REGEXP_ID, "\" + chunkId + \"") + ");"
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]),
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"}",
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"callback.call(null, " + this.requireFn + ");"
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]);
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});
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mainTemplate.plugin("bootstrap", function(source, chunk, hash) {
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if(chunk.chunks.length > 0) {
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var chunkCallbackName = this.outputOptions.chunkCallbackName || ("webpackChunk" + (this.outputOptions.library || ""));
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return this.asString([
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source,
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"this[" + JSON.stringify(chunkCallbackName) + "] = function webpackChunkCallback(chunkIds, moreModules) {",
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this.indent([
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"for(var moduleId in moreModules) {",
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this.indent(this.renderAddModule(hash, chunk, "moduleId", "moreModules[moduleId]")),
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"}",
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"while(chunkIds.length)",
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this.indent("installedChunks[chunkIds.pop()] = 1;")
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]),
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"};"
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]);
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}
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return source;
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});
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mainTemplate.plugin("hash", function(hash) {
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hash.update("webworker");
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hash.update("3");
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hash.update(this.outputOptions.publicPath + "");
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hash.update(this.outputOptions.filename + "");
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hash.update(this.outputOptions.chunkFilename + "");
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hash.update(this.outputOptions.chunkCallbackName + "");
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hash.update(this.outputOptions.library + "");
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});
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};
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