mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			98 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			2.9 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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| 
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| "use strict";
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| 
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| const RuntimeGlobals = require("../RuntimeGlobals");
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| const ChunkPrefetchFunctionRuntimeModule = require("./ChunkPrefetchFunctionRuntimeModule");
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| const ChunkPrefetchStartupRuntimeModule = require("./ChunkPrefetchStartupRuntimeModule");
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| const ChunkPrefetchTriggerRuntimeModule = require("./ChunkPrefetchTriggerRuntimeModule");
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| const ChunkPreloadTriggerRuntimeModule = require("./ChunkPreloadTriggerRuntimeModule");
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| 
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| /** @typedef {import("../Chunk")} Chunk */
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| /** @typedef {import("../ChunkGroup").RawChunkGroupOptions} RawChunkGroupOptions */
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| /** @typedef {import("../Compiler")} Compiler */
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| 
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| const PLUGIN_NAME = "ChunkPrefetchPreloadPlugin";
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| 
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| class ChunkPrefetchPreloadPlugin {
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| 	/**
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| 	 * @param {Compiler} compiler the compiler
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| 	 * @returns {void}
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| 	 */
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| 	apply(compiler) {
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| 		compiler.hooks.compilation.tap(PLUGIN_NAME, (compilation) => {
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| 			compilation.hooks.additionalChunkRuntimeRequirements.tap(
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| 				PLUGIN_NAME,
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| 				(chunk, set, { chunkGraph }) => {
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| 					if (chunkGraph.getNumberOfEntryModules(chunk) === 0) return;
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| 					const startupChildChunks = chunk.getChildrenOfTypeInOrder(
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| 						chunkGraph,
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| 						"prefetchOrder"
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| 					);
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| 					if (startupChildChunks) {
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| 						set.add(RuntimeGlobals.prefetchChunk);
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| 						set.add(RuntimeGlobals.onChunksLoaded);
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| 						set.add(RuntimeGlobals.exports);
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| 						compilation.addRuntimeModule(
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| 							chunk,
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| 							new ChunkPrefetchStartupRuntimeModule(startupChildChunks)
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| 						);
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| 					}
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| 				}
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| 			);
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| 			compilation.hooks.additionalTreeRuntimeRequirements.tap(
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| 				PLUGIN_NAME,
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| 				(chunk, set, { chunkGraph }) => {
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| 					const chunkMap = chunk.getChildIdsByOrdersMap(chunkGraph);
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| 
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| 					if (chunkMap.prefetch) {
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| 						set.add(RuntimeGlobals.prefetchChunk);
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| 						compilation.addRuntimeModule(
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| 							chunk,
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| 							new ChunkPrefetchTriggerRuntimeModule(chunkMap.prefetch)
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| 						);
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| 					}
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| 					if (chunkMap.preload) {
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| 						set.add(RuntimeGlobals.preloadChunk);
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| 						compilation.addRuntimeModule(
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| 							chunk,
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| 							new ChunkPreloadTriggerRuntimeModule(chunkMap.preload)
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| 						);
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| 					}
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| 				}
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| 			);
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| 			compilation.hooks.runtimeRequirementInTree
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| 				.for(RuntimeGlobals.prefetchChunk)
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| 				.tap(PLUGIN_NAME, (chunk, set) => {
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| 					compilation.addRuntimeModule(
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| 						chunk,
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| 						new ChunkPrefetchFunctionRuntimeModule(
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| 							"prefetch",
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| 							RuntimeGlobals.prefetchChunk,
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| 							RuntimeGlobals.prefetchChunkHandlers
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| 						)
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| 					);
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| 					set.add(RuntimeGlobals.prefetchChunkHandlers);
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| 				});
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| 			compilation.hooks.runtimeRequirementInTree
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| 				.for(RuntimeGlobals.preloadChunk)
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| 				.tap(PLUGIN_NAME, (chunk, set) => {
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| 					compilation.addRuntimeModule(
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| 						chunk,
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| 						new ChunkPrefetchFunctionRuntimeModule(
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| 							"preload",
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| 							RuntimeGlobals.preloadChunk,
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| 							RuntimeGlobals.preloadChunkHandlers
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| 						)
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| 					);
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| 					set.add(RuntimeGlobals.preloadChunkHandlers);
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| 				});
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| 		});
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| 	}
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| }
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| 
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| module.exports = ChunkPrefetchPreloadPlugin;
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