213 lines
7.9 KiB
JavaScript
213 lines
7.9 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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"use strict";
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const Template = require("./Template");
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class JsonpMainTemplatePlugin {
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apply(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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"// objects to store loaded and loading chunks",
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"var installedChunks = {",
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this.indent(
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chunk.ids.map(id => `${JSON.stringify(id)}: 0`).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("jsonp-script", function(_, chunk, hash) {
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const chunkFilename = this.outputOptions.chunkFilename;
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const chunkMaps = chunk.getChunkMaps();
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const crossOriginLoading = this.outputOptions.crossOriginLoading;
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const chunkLoadTimeout = this.outputOptions.chunkLoadTimeout;
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const jsonpScriptType = this.outputOptions.jsonpScriptType;
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const scriptSrcPath = this.applyPluginsWaterfall("asset-path", JSON.stringify(chunkFilename), {
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hash: `" + ${this.renderCurrentHashCode(hash)} + "`,
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hashWithLength: length => `" + ${this.renderCurrentHashCode(hash, length)} + "`,
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chunk: {
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id: "\" + chunkId + \"",
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hash: `" + ${JSON.stringify(chunkMaps.hash)}[chunkId] + "`,
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hashWithLength(length) {
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const shortChunkHashMap = Object.create(null);
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Object.keys(chunkMaps.hash).forEach(chunkId => {
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if(typeof chunkMaps.hash[chunkId] === "string")
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shortChunkHashMap[chunkId] = chunkMaps.hash[chunkId].substr(0, length);
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});
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return `" + ${JSON.stringify(shortChunkHashMap)}[chunkId] + "`;
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},
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name: `" + (${JSON.stringify(chunkMaps.name)}[chunkId]||chunkId) + "`
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}
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});
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return this.asString([
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"var script = document.createElement('script');",
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`script.type = ${JSON.stringify(jsonpScriptType)};`,
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"script.charset = 'utf-8';",
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"script.async = true;",
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`script.timeout = ${chunkLoadTimeout};`,
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crossOriginLoading ? `script.crossOrigin = ${JSON.stringify(crossOriginLoading)};` : "",
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`if (${this.requireFn}.nc) {`,
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this.indent(`script.setAttribute("nonce", ${this.requireFn}.nc);`),
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"}",
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`script.src = ${this.requireFn}.p + ${scriptSrcPath};`,
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`var timeout = setTimeout(onScriptComplete, ${chunkLoadTimeout});`,
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"script.onerror = script.onload = onScriptComplete;",
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"function onScriptComplete() {",
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this.indent([
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"// avoid mem leaks in IE.",
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"script.onerror = script.onload = null;",
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"clearTimeout(timeout);",
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"var chunk = installedChunks[chunkId];",
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"if(chunk !== 0) {",
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this.indent([
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"if(chunk) {",
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this.indent("chunk[1](new Error('Loading chunk ' + chunkId + ' failed.'));"),
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"}",
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"installedChunks[chunkId] = undefined;"
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]),
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"}"
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]),
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"};",
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]);
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});
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mainTemplate.plugin("require-ensure", function(_, chunk, hash) {
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return this.asString([
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"var installedChunkData = installedChunks[chunkId];",
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"if(installedChunkData === 0) {",
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this.indent([
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"return new Promise(function(resolve) { resolve(); });"
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]),
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"}",
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"",
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"// a Promise means \"currently loading\".",
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"if(installedChunkData) {",
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this.indent([
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"return installedChunkData[2];"
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]),
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"}",
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"",
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"// setup Promise in chunk cache",
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"var promise = new Promise(function(resolve, reject) {",
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this.indent([
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"installedChunkData = installedChunks[chunkId] = [resolve, reject];"
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]),
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"});",
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"installedChunkData[2] = promise;",
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"",
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"// start chunk loading",
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"var head = document.getElementsByTagName('head')[0];",
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this.applyPluginsWaterfall("jsonp-script", "", chunk, hash),
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"head.appendChild(script);",
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"",
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"return promise;"
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]);
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});
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mainTemplate.plugin("require-extensions", function(source, chunk) {
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if(chunk.chunks.length === 0) return source;
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return this.asString([
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source,
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"",
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"// on error function for async loading",
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`${this.requireFn}.oe = function(err) { console.error(err); throw err; };`
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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 jsonpFunction = this.outputOptions.jsonpFunction;
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return this.asString([
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source,
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"",
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"// install a JSONP callback for chunk loading",
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`var parentJsonpFunction = window[${JSON.stringify(jsonpFunction)}];`,
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`window[${JSON.stringify(jsonpFunction)}] = function webpackJsonpCallback(chunkIds, moreModules, executeModules) {`,
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this.indent([
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"// add \"moreModules\" to the modules object,",
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"// then flag all \"chunkIds\" as loaded and fire callback",
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"var moduleId, chunkId, i = 0, resolves = [], result;",
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"for(;i < chunkIds.length; i++) {",
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this.indent([
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"chunkId = chunkIds[i];",
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"if(installedChunks[chunkId]) {",
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this.indent("resolves.push(installedChunks[chunkId][0]);"),
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"}",
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"installedChunks[chunkId] = 0;"
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]),
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"}",
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"for(moduleId in moreModules) {",
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this.indent([
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"if(Object.prototype.hasOwnProperty.call(moreModules, moduleId)) {",
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this.indent(this.renderAddModule(hash, chunk, "moduleId", "moreModules[moduleId]")),
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"}"
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]),
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"}",
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"if(parentJsonpFunction) parentJsonpFunction(chunkIds, moreModules, executeModules);",
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"while(resolves.length) {",
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this.indent("resolves.shift()();"),
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"}",
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this.entryPointInChildren(chunk) ? [
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"if(executeModules) {",
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this.indent([
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"for(i=0; i < executeModules.length; i++) {",
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this.indent(`result = ${this.requireFn}(${this.requireFn}.s = executeModules[i]);`),
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"}"
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]),
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"}",
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"return result;",
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] : ""
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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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const hotUpdateChunkFilename = this.outputOptions.hotUpdateChunkFilename;
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const hotUpdateMainFilename = this.outputOptions.hotUpdateMainFilename;
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const crossOriginLoading = this.outputOptions.crossOriginLoading;
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const hotUpdateFunction = this.outputOptions.hotUpdateFunction;
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const currentHotUpdateChunkFilename = this.applyPluginsWaterfall("asset-path", JSON.stringify(hotUpdateChunkFilename), {
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hash: `" + ${this.renderCurrentHashCode(hash)} + "`,
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hashWithLength: length => `" + ${this.renderCurrentHashCode(hash, length)} + "`,
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chunk: {
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id: "\" + chunkId + \""
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}
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});
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const currentHotUpdateMainFilename = this.applyPluginsWaterfall("asset-path", JSON.stringify(hotUpdateMainFilename), {
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hash: `" + ${this.renderCurrentHashCode(hash)} + "`,
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hashWithLength: length => `" + ${this.renderCurrentHashCode(hash, length)} + "`
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});
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const runtimeSource = Template.getFunctionContent(require("./JsonpMainTemplate.runtime.js"))
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.replace(/\/\/\$semicolon/g, ";")
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.replace(/\$require\$/g, this.requireFn)
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.replace(/\$crossOriginLoading\$/g, crossOriginLoading ? `script.crossOrigin = ${JSON.stringify(crossOriginLoading)}` : "")
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.replace(/\$hotMainFilename\$/g, currentHotUpdateMainFilename)
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.replace(/\$hotChunkFilename\$/g, currentHotUpdateChunkFilename)
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.replace(/\$hash\$/g, JSON.stringify(hash));
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return `${source}
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function hotDisposeChunk(chunkId) {
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delete installedChunks[chunkId];
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}
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var parentHotUpdateCallback = window[${JSON.stringify(hotUpdateFunction)}];
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window[${JSON.stringify(hotUpdateFunction)}] = ${runtimeSource}`;
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});
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mainTemplate.plugin("hash", function(hash) {
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hash.update("jsonp");
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hash.update("4");
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hash.update(`${this.outputOptions.filename}`);
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hash.update(`${this.outputOptions.chunkFilename}`);
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hash.update(`${this.outputOptions.jsonpFunction}`);
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hash.update(`${this.outputOptions.hotUpdateFunction}`);
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});
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}
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}
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module.exports = JsonpMainTemplatePlugin;
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