108 lines
4.0 KiB
JavaScript
108 lines
4.0 KiB
JavaScript
/*
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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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module.exports = WebWorkerMainTemplatePlugin;
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WebWorkerMainTemplatePlugin.prototype.constructor = WebWorkerMainTemplatePlugin;
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WebWorkerMainTemplatePlugin.prototype.apply = function(mainTemplate) {
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mainTemplate.plugin("local-vars", function(source, chunk) {
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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 chunkFilename = this.outputOptions.chunkFilename;
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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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this.applyPluginsWaterfall("asset-path", JSON.stringify(chunkFilename), {
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hash: "\" + " + this.renderCurrentHashCode(hash) + " + \"",
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hashWithLength: function(length) {
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return "\" + " + this.renderCurrentHashCode(hash, length) + " + \"";
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}.bind(this),
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chunk: {
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id: "\" + chunkId + \""
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}
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}) + ");"
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]),
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"}",
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"return Promise.resolve();"
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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 || Template.toIdentifier("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("hot-bootstrap", function(source, chunk, hash) {
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var hotUpdateChunkFilename = this.outputOptions.hotUpdateChunkFilename;
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var hotUpdateMainFilename = this.outputOptions.hotUpdateMainFilename;
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var hotUpdateFunction = this.outputOptions.hotUpdateFunction || Template.toIdentifier("webpackHotUpdate" + (this.outputOptions.library || ""));
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var currentHotUpdateChunkFilename = this.applyPluginsWaterfall("asset-path", JSON.stringify(hotUpdateChunkFilename), {
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hash: "\" + " + this.renderCurrentHashCode(hash) + " + \"",
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hashWithLength: function(length) {
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return "\" + " + this.renderCurrentHashCode(hash, length) + " + \"";
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}.bind(this),
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chunk: {
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id: "\" + chunkId + \""
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}
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});
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var currentHotUpdateMainFilename = this.applyPluginsWaterfall("asset-path", JSON.stringify(hotUpdateMainFilename), {
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hash: "\" + " + this.renderCurrentHashCode(hash) + " + \"",
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hashWithLength: function(length) {
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return "\" + " + this.renderCurrentHashCode(hash, length) + " + \"";
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}.bind(this)
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});
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return source + "\n" +
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"var parentHotUpdateCallback = this[" + JSON.stringify(hotUpdateFunction) + "];\n" +
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"this[" + JSON.stringify(hotUpdateFunction) + "] = " + Template.getFunctionContent(require("./WebWorkerMainTemplate.runtime.js"))
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.replace(/\/\/\$semicolon/g, ";")
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.replace(/\$require\$/g, this.requireFn)
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.replace(/\$hotMainFilename\$/g, currentHotUpdateMainFilename)
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.replace(/\$hotChunkFilename\$/g, currentHotUpdateChunkFilename)
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.replace(/\$hash\$/g, JSON.stringify(hash));
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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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