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JsonpChunkLoadingPlugin.js
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Sat, Feb 22, 02:49

JsonpChunkLoadingPlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const RuntimeGlobals = require("../RuntimeGlobals");
const JsonpChunkLoadingRuntimeModule = require("./JsonpChunkLoadingRuntimeModule");
const { needEntryDeferringCode } = require("./JsonpHelpers");
/** @typedef {import("../Compiler")} Compiler */
class JsonpChunkLoadingPlugin {
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.thisCompilation.tap(
"JsonpChunkLoadingPlugin",
compilation => {
const globalChunkLoading = compilation.outputOptions.chunkLoading;
const isEnabledForChunk = chunk => {
const options = chunk.getEntryOptions();
const chunkLoading =
(options && options.chunkLoading) || globalChunkLoading;
return chunkLoading === "jsonp";
};
const onceForChunkSet = new WeakSet();
const handler = (chunk, set) => {
if (onceForChunkSet.has(chunk)) return;
onceForChunkSet.add(chunk);
if (!isEnabledForChunk(chunk)) return;
set.add(RuntimeGlobals.moduleFactoriesAddOnly);
set.add(RuntimeGlobals.hasOwnProperty);
compilation.addRuntimeModule(
chunk,
new JsonpChunkLoadingRuntimeModule(set)
);
};
RuntimeGlobals.ensureChunkHandlers;
RuntimeGlobals.hmrDownloadUpdateHandlers;
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.ensureChunkHandlers)
.tap("JsonpChunkLoadingPlugin", handler);
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.hmrDownloadUpdateHandlers)
.tap("JsonpChunkLoadingPlugin", handler);
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.hmrDownloadManifest)
.tap("JsonpChunkLoadingPlugin", handler);
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.baseURI)
.tap("JsonpChunkLoadingPlugin", handler);
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.ensureChunkHandlers)
.tap("JsonpChunkLoadingPlugin", (chunk, set) => {
if (!isEnabledForChunk(chunk)) return;
set.add(RuntimeGlobals.publicPath);
set.add(RuntimeGlobals.loadScript);
set.add(RuntimeGlobals.getChunkScriptFilename);
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.hmrDownloadUpdateHandlers)
.tap("JsonpChunkLoadingPlugin", (chunk, set) => {
if (!isEnabledForChunk(chunk)) return;
set.add(RuntimeGlobals.publicPath);
set.add(RuntimeGlobals.loadScript);
set.add(RuntimeGlobals.getChunkUpdateScriptFilename);
set.add(RuntimeGlobals.moduleCache);
set.add(RuntimeGlobals.hmrModuleData);
set.add(RuntimeGlobals.moduleFactoriesAddOnly);
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.hmrDownloadManifest)
.tap("JsonpChunkLoadingPlugin", (chunk, set) => {
if (!isEnabledForChunk(chunk)) return;
set.add(RuntimeGlobals.publicPath);
set.add(RuntimeGlobals.getUpdateManifestFilename);
});
compilation.hooks.additionalTreeRuntimeRequirements.tap(
"JsonpChunkLoadingPlugin",
(chunk, set) => {
if (!isEnabledForChunk(chunk)) return;
const withDefer = needEntryDeferringCode(compilation, chunk);
if (withDefer) {
set.add(RuntimeGlobals.startup);
set.add(RuntimeGlobals.startupNoDefault);
set.add(RuntimeGlobals.require);
handler(chunk, set);
}
}
);
}
);
}
}
module.exports = JsonpChunkLoadingPlugin;

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