mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			80 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.1 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 { find } = require("../util/SetHelpers");
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| const {
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| 	compareModulesByPreOrderIndexOrIdentifier,
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| 	compareModulesByPostOrderIndexOrIdentifier
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| } = require("../util/comparators");
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| 
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| /** @typedef {import("../Compiler")} Compiler */
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| 
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| class ChunkModuleIdRangePlugin {
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| 	constructor(options) {
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| 		this.options = options;
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| 	}
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| 
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| 	/**
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| 	 * @param {Compiler} compiler webpack compiler
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| 	 * @returns {void}
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| 	 */
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| 	apply(compiler) {
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| 		const options = this.options;
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| 		compiler.hooks.compilation.tap("ChunkModuleIdRangePlugin", compilation => {
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| 			const moduleGraph = compilation.moduleGraph;
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| 			compilation.hooks.moduleIds.tap("ChunkModuleIdRangePlugin", modules => {
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| 				const chunkGraph = compilation.chunkGraph;
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| 				const chunk = find(
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| 					compilation.chunks,
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| 					chunk => chunk.name === options.name
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| 				);
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| 				if (!chunk) {
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| 					throw new Error(
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| 						`ChunkModuleIdRangePlugin: Chunk with name '${options.name}"' was not found`
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| 					);
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| 				}
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| 
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| 				let chunkModules;
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| 				if (options.order) {
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| 					let cmpFn;
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| 					switch (options.order) {
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| 						case "index":
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| 						case "preOrderIndex":
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| 							cmpFn = compareModulesByPreOrderIndexOrIdentifier(moduleGraph);
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| 							break;
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| 						case "index2":
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| 						case "postOrderIndex":
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| 							cmpFn = compareModulesByPostOrderIndexOrIdentifier(moduleGraph);
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| 							break;
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| 						default:
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| 							throw new Error(
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| 								"ChunkModuleIdRangePlugin: unexpected value of order"
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| 							);
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| 					}
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| 					chunkModules = chunkGraph.getOrderedChunkModules(chunk, cmpFn);
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| 				} else {
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| 					chunkModules = Array.from(modules)
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| 						.filter(m => {
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| 							return chunkGraph.isModuleInChunk(m, chunk);
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| 						})
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| 						.sort(compareModulesByPreOrderIndexOrIdentifier(moduleGraph));
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| 				}
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| 
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| 				let currentId = options.start || 0;
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| 				for (let i = 0; i < chunkModules.length; i++) {
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| 					const m = chunkModules[i];
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| 					if (m.needId && chunkGraph.getModuleId(m) === null) {
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| 						chunkGraph.setModuleId(m, currentId++);
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| 					}
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| 					if (options.end && currentId > options.end) break;
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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 = ChunkModuleIdRangePlugin;
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