232 lines
8.6 KiB
JavaScript
232 lines
8.6 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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"use strict";
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const ConcatSource = require("webpack-sources").ConcatSource;
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const OriginalSource = require("webpack-sources").OriginalSource;
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const PrefixSource = require("webpack-sources").PrefixSource;
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const Template = require("./Template");
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// require function shortcuts:
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// __webpack_require__.s = the module id of the entry point
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// __webpack_require__.c = the module cache
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// __webpack_require__.m = the module functions
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// __webpack_require__.p = the bundle public path
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// __webpack_require__.i = the identity function used for harmony imports
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// __webpack_require__.e = the chunk ensure function
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// __webpack_require__.d = the exported propery define getter function
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// __webpack_require__.o = Object.prototype.hasOwnProperty.call
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// __webpack_require__.n = compatibility get default export
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// __webpack_require__.h = the webpack hash
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// __webpack_require__.oe = the uncatched error handler for the webpack runtime
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// __webpack_require__.nc = the script nonce
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module.exports = class MainTemplate extends Template {
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constructor(outputOptions) {
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super(outputOptions);
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this.plugin("startup", (source, chunk, hash) => {
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const buf = [];
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if(chunk.entryModule) {
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buf.push("// Load entry module and return exports");
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buf.push(`return ${this.renderRequireFunctionForModule(hash, chunk, JSON.stringify(chunk.entryModule.id))}(${this.requireFn}.s = ${JSON.stringify(chunk.entryModule.id)});`);
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}
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return this.asString(buf);
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});
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this.plugin("render", (bootstrapSource, chunk, hash, moduleTemplate, dependencyTemplates) => {
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const source = new ConcatSource();
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source.add("/******/ (function(modules) { // webpackBootstrap\n");
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source.add(new PrefixSource("/******/", bootstrapSource));
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source.add("/******/ })\n");
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source.add("/************************************************************************/\n");
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source.add("/******/ (");
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const modules = this.renderChunkModules(chunk, moduleTemplate, dependencyTemplates, "/******/ ");
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source.add(this.applyPluginsWaterfall("modules", modules, chunk, hash, moduleTemplate, dependencyTemplates));
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source.add(")");
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return source;
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});
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this.plugin("local-vars", (source, chunk, hash) => {
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return this.asString([
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source,
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"// The module cache",
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"var installedModules = {};"
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]);
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});
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this.plugin("require", (source, chunk, hash) => {
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return this.asString([
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source,
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"// Check if module is in cache",
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"if(installedModules[moduleId]) {",
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this.indent("return installedModules[moduleId].exports;"),
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"}",
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"// Create a new module (and put it into the cache)",
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"var module = installedModules[moduleId] = {",
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this.indent(this.applyPluginsWaterfall("module-obj", "", chunk, hash, "moduleId")),
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"};",
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"",
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this.asString(outputOptions.strictModuleExceptionHandling ? [
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"// Execute the module function",
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"var threw = true;",
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"try {",
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this.indent([
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`modules[moduleId].call(module.exports, module, module.exports, ${this.renderRequireFunctionForModule(hash, chunk, "moduleId")});`,
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"threw = false;"
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]),
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"} finally {",
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this.indent([
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"if(threw) delete installedModules[moduleId];"
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]),
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"}"
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] : [
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"// Execute the module function",
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`modules[moduleId].call(module.exports, module, module.exports, ${this.renderRequireFunctionForModule(hash, chunk, "moduleId")});`,
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]),
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"",
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"// Flag the module as loaded",
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"module.l = true;",
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"",
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"// Return the exports of the module",
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"return module.exports;"
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]);
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});
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this.plugin("module-obj", (source, chunk, hash, varModuleId) => {
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return this.asString([
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"i: moduleId,",
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"l: false,",
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"exports: {}"
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]);
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});
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this.plugin("require-extensions", (source, chunk, hash) => {
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const buf = [];
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if(chunk.chunks.length > 0) {
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buf.push("// This file contains only the entry chunk.");
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buf.push("// The chunk loading function for additional chunks");
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buf.push(`${this.requireFn}.e = function requireEnsure(chunkId) {`);
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buf.push(this.indent(this.applyPluginsWaterfall("require-ensure", "throw new Error('Not chunk loading available');", chunk, hash, "chunkId")));
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buf.push("};");
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}
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buf.push("");
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buf.push("// expose the modules object (__webpack_modules__)");
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buf.push(`${this.requireFn}.m = modules;`);
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buf.push("");
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buf.push("// expose the module cache");
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buf.push(`${this.requireFn}.c = installedModules;`);
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buf.push("");
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buf.push("// define getter function for harmony exports");
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buf.push(`${this.requireFn}.d = function(exports, name, getter) {`);
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buf.push(this.indent([
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`if(!${this.requireFn}.o(exports, name)) {`,
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this.indent([
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"Object.defineProperty(exports, name, {",
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this.indent([
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"configurable: false,",
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"enumerable: true,",
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"get: getter"
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]),
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"});"
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]),
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"}"
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]));
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buf.push("};");
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buf.push("");
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buf.push("// getDefaultExport function for compatibility with non-harmony modules");
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buf.push(this.requireFn + ".n = function(module) {");
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buf.push(this.indent([
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"var getter = module && module.__esModule ?",
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this.indent([
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"function getDefault() { return module['default']; } :",
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"function getModuleExports() { return module; };"
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]),
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`${this.requireFn}.d(getter, 'a', getter);`,
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"return getter;"
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]));
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buf.push("};");
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buf.push("");
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buf.push("// Object.prototype.hasOwnProperty.call");
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buf.push(`${this.requireFn}.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };`);
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const publicPath = this.getPublicPath({
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hash: hash
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});
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buf.push("");
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buf.push("// __webpack_public_path__");
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buf.push(`${this.requireFn}.p = ${JSON.stringify(publicPath)};`);
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return this.asString(buf);
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});
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this.requireFn = "__webpack_require__";
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}
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render(hash, chunk, moduleTemplate, dependencyTemplates) {
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const buf = [];
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buf.push(this.applyPluginsWaterfall("bootstrap", "", chunk, hash, moduleTemplate, dependencyTemplates));
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buf.push(this.applyPluginsWaterfall("local-vars", "", chunk, hash));
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buf.push("");
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buf.push("// The require function");
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buf.push(`function ${this.requireFn}(moduleId) {`);
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buf.push(this.indent(this.applyPluginsWaterfall("require", "", chunk, hash)));
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buf.push("}");
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buf.push("");
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buf.push(this.asString(this.applyPluginsWaterfall("require-extensions", "", chunk, hash)));
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buf.push("");
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buf.push(this.asString(this.applyPluginsWaterfall("startup", "", chunk, hash)));
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let source = this.applyPluginsWaterfall("render", new OriginalSource(this.prefix(buf, " \t") + "\n", `webpack/bootstrap ${hash}`), chunk, hash, moduleTemplate, dependencyTemplates);
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if(chunk.hasEntryModule()) {
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source = this.applyPluginsWaterfall("render-with-entry", source, chunk, hash);
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}
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if(!source) throw new Error("Compiler error: MainTemplate plugin 'render' should return something");
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chunk.rendered = true;
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return new ConcatSource(source, ";");
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}
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renderRequireFunctionForModule(hash, chunk, varModuleId) {
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return this.applyPluginsWaterfall("module-require", this.requireFn, chunk, hash, varModuleId);
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}
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renderAddModule(hash, chunk, varModuleId, varModule) {
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return this.applyPluginsWaterfall("add-module", `modules[${varModuleId}] = ${varModule};`, chunk, hash, varModuleId, varModule);
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}
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renderCurrentHashCode(hash, length) {
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length = length || Infinity;
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return this.applyPluginsWaterfall("current-hash", JSON.stringify(hash.substr(0, length)), length);
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}
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entryPointInChildren(chunk) {
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const checkChildren = (chunk, alreadyCheckedChunks) => {
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return chunk.chunks.some((child) => {
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if(alreadyCheckedChunks.indexOf(child) >= 0) return;
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alreadyCheckedChunks.push(child);
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return child.hasEntryModule() || checkChildren(child, alreadyCheckedChunks);
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});
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};
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return checkChildren(chunk, []);
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}
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getPublicPath(options) {
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return this.applyPluginsWaterfall("asset-path", this.outputOptions.publicPath || "", options);
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}
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updateHash(hash) {
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hash.update("maintemplate");
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hash.update("3");
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hash.update(this.outputOptions.publicPath + "");
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this.applyPlugins("hash", hash);
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}
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updateHashForChunk(hash, chunk) {
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this.updateHash(hash);
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this.applyPlugins("hash-for-chunk", hash, chunk);
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}
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useChunkHash(chunk) {
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const paths = this.applyPluginsWaterfall("global-hash-paths", []);
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return !this.applyPluginsBailResult("global-hash", chunk, paths);
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}
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};
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