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			80 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			JavaScript
		
	
		
		
			
		
	
	
			80 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			JavaScript
		
	
| 
											9 months ago
										 | /* | ||
|  | 	MIT License http://www.opensource.org/licenses/mit-license.php
 | ||
|  | 	Author Florent Cailhol @ooflorent | ||
|  | */ | ||
|  | 
 | ||
|  | "use strict"; | ||
|  | 
 | ||
|  | const { compareChunksNatural } = require("../util/comparators"); | ||
|  | const { | ||
|  | 	getFullChunkName, | ||
|  | 	getUsedChunkIds, | ||
|  | 	assignDeterministicIds | ||
|  | } = require("./IdHelpers"); | ||
|  | 
 | ||
|  | /** @typedef {import("../Compiler")} Compiler */ | ||
|  | /** @typedef {import("../Module")} Module */ | ||
|  | 
 | ||
|  | /** | ||
|  |  * @typedef {Object} DeterministicChunkIdsPluginOptions | ||
|  |  * @property {string=} context context for ids | ||
|  |  * @property {number=} maxLength maximum length of ids | ||
|  |  */ | ||
|  | 
 | ||
|  | class DeterministicChunkIdsPlugin { | ||
|  | 	/** | ||
|  | 	 * @param {DeterministicChunkIdsPluginOptions} [options] options | ||
|  | 	 */ | ||
|  | 	constructor(options = {}) { | ||
|  | 		this.options = options; | ||
|  | 	} | ||
|  | 
 | ||
|  | 	/** | ||
|  | 	 * Apply the plugin | ||
|  | 	 * @param {Compiler} compiler the compiler instance | ||
|  | 	 * @returns {void} | ||
|  | 	 */ | ||
|  | 	apply(compiler) { | ||
|  | 		compiler.hooks.compilation.tap( | ||
|  | 			"DeterministicChunkIdsPlugin", | ||
|  | 			compilation => { | ||
|  | 				compilation.hooks.chunkIds.tap( | ||
|  | 					"DeterministicChunkIdsPlugin", | ||
|  | 					chunks => { | ||
|  | 						const chunkGraph = compilation.chunkGraph; | ||
|  | 						const context = this.options.context | ||
|  | 							? this.options.context | ||
|  | 							: compiler.context; | ||
|  | 						const maxLength = this.options.maxLength || 3; | ||
|  | 
 | ||
|  | 						const compareNatural = compareChunksNatural(chunkGraph); | ||
|  | 
 | ||
|  | 						const usedIds = getUsedChunkIds(compilation); | ||
|  | 						assignDeterministicIds( | ||
|  | 							Array.from(chunks).filter(chunk => { | ||
|  | 								return chunk.id === null; | ||
|  | 							}), | ||
|  | 							chunk => | ||
|  | 								getFullChunkName(chunk, chunkGraph, context, compiler.root), | ||
|  | 							compareNatural, | ||
|  | 							(chunk, id) => { | ||
|  | 								const size = usedIds.size; | ||
|  | 								usedIds.add(`${id}`); | ||
|  | 								if (size === usedIds.size) return false; | ||
|  | 								chunk.id = id; | ||
|  | 								chunk.ids = [id]; | ||
|  | 								return true; | ||
|  | 							}, | ||
|  | 							[Math.pow(10, maxLength)], | ||
|  | 							10, | ||
|  | 							usedIds.size | ||
|  | 						); | ||
|  | 					} | ||
|  | 				); | ||
|  | 			} | ||
|  | 		); | ||
|  | 	} | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = DeterministicChunkIdsPlugin; |