74 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			74 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /*
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| 	MIT License http://www.opensource.org/licenses/mit-license.php
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| 	Author Ivan Kopeykin @vankop
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| */
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| 
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| "use strict";
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| 
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| const {
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| 	JAVASCRIPT_MODULE_TYPE_AUTO,
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| 	JAVASCRIPT_MODULE_TYPE_ESM
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| } = require("../ModuleTypeConstants");
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| const ContextElementDependency = require("./ContextElementDependency");
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| const ImportMetaContextDependency = require("./ImportMetaContextDependency");
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| const ImportMetaContextDependencyParserPlugin = require("./ImportMetaContextDependencyParserPlugin");
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| 
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| /** @typedef {import("../../declarations/WebpackOptions").JavascriptParserOptions} JavascriptParserOptions */
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| /** @typedef {import("../../declarations/WebpackOptions").ResolveOptions} ResolveOptions */
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| /** @typedef {import("../Compiler")} Compiler */
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| /** @typedef {import("../javascript/JavascriptParser")} Parser */
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| 
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| const PLUGIN_NAME = "ImportMetaContextPlugin";
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| 
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| class ImportMetaContextPlugin {
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| 	/**
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| 	 * Apply the plugin
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| 	 * @param {Compiler} compiler the compiler instance
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| 	 * @returns {void}
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| 	 */
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| 	apply(compiler) {
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| 		compiler.hooks.compilation.tap(
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| 			PLUGIN_NAME,
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| 			(compilation, { contextModuleFactory, normalModuleFactory }) => {
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| 				compilation.dependencyFactories.set(
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| 					ImportMetaContextDependency,
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| 					contextModuleFactory
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| 				);
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| 				compilation.dependencyTemplates.set(
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| 					ImportMetaContextDependency,
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| 					new ImportMetaContextDependency.Template()
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| 				);
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| 				compilation.dependencyFactories.set(
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| 					ContextElementDependency,
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| 					normalModuleFactory
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| 				);
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| 
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| 				/**
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| 				 * @param {Parser} parser parser parser
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| 				 * @param {JavascriptParserOptions} parserOptions parserOptions
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| 				 * @returns {void}
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| 				 */
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| 				const handler = (parser, parserOptions) => {
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| 					if (
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| 						parserOptions.importMetaContext !== undefined &&
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| 						!parserOptions.importMetaContext
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| 					) {
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| 						return;
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| 					}
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| 
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| 					new ImportMetaContextDependencyParserPlugin().apply(parser);
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| 				};
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| 
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| 				normalModuleFactory.hooks.parser
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| 					.for(JAVASCRIPT_MODULE_TYPE_AUTO)
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| 					.tap(PLUGIN_NAME, handler);
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| 				normalModuleFactory.hooks.parser
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| 					.for(JAVASCRIPT_MODULE_TYPE_ESM)
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| 					.tap(PLUGIN_NAME, handler);
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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 = ImportMetaContextPlugin;
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