mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			76 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			76 lines
		
	
	
		
			1.9 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 { SyncWaterfallHook, SyncHook } = require("tapable");
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| const Template = require("./Template");
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| 
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| /** @typedef {import("webpack-sources").Source} Source */
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| /** @typedef {import("./ModuleTemplate")} ModuleTemplate */
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| /** @typedef {import("./ModuleTemplate").RenderContext} RenderContext */
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| /** @typedef {import("./util/createHash").Hash} Hash */
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| 
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| module.exports = class HotUpdateChunkTemplate {
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| 	constructor(outputOptions) {
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| 		this.outputOptions = outputOptions || {};
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| 		this.hooks = Object.freeze({
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| 			/** @type {SyncWaterfallHook<Source, ModuleTemplate, RenderContext>} */
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| 			modules: new SyncWaterfallHook([
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| 				"source",
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| 				"moduleTemplate",
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| 				"renderContext"
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| 			]),
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| 			/** @type {SyncWaterfallHook<Source, ModuleTemplate, RenderContext>} */
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| 			render: new SyncWaterfallHook([
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| 				"source",
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| 				"moduleTemplate",
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| 				"renderContext",
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| 				"hash"
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| 			]),
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| 			/** @type {SyncHook<Hash>} */
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| 			hash: new SyncHook(["hash"])
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| 		});
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| 	}
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| 
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| 	/**
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| 	 *
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| 	 * @param {RenderContext} renderContext the render context
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| 	 * @param {ModuleTemplate} moduleTemplate the module template
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| 	 * @param {string} hash hash of the compilation
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| 	 * @returns {Source} rendered source
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| 	 */
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| 	render(renderContext, moduleTemplate, hash) {
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| 		const modulesSource = Template.renderChunkModules(
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| 			renderContext,
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| 			m => typeof m.source === "function",
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| 			moduleTemplate
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| 		);
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| 		const core = this.hooks.modules.call(
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| 			modulesSource,
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| 			moduleTemplate,
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| 			renderContext
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| 		);
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| 		const source = this.hooks.render.call(
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| 			core,
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| 			moduleTemplate,
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| 			renderContext,
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| 			hash
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| 		);
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| 		return source;
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| 	}
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| 
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| 	/**
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| 	 * Updates hash with information from this template
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| 	 * @param {Hash} hash the hash to update
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| 	 * @returns {void}
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| 	 */
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| 	updateHash(hash) {
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| 		hash.update("HotUpdateChunkTemplate");
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| 		hash.update("1");
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| 		this.hooks.hash.call(hash);
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| 	}
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| };
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