Files F117787021

ImportMetaContextPlugin.js
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Created: Mon, Jun 16, 00:28

ImportMetaContextPlugin.js
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	/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Ivan Kopeykin @vankop
	*/

	"use strict";

	const ContextElementDependency = require("./ContextElementDependency");
	const ImportMetaContextDependency = require("./ImportMetaContextDependency");
	const ImportMetaContextDependencyParserPlugin = require("./ImportMetaContextDependencyParserPlugin");

	/** @typedef {import("../../declarations/WebpackOptions").ResolveOptions} ResolveOptions */
	/** @typedef {import("../Compiler")} Compiler */

	class ImportMetaContextPlugin {
	/**
	* Apply the plugin
	* @param {Compiler} compiler the compiler instance
	* @returns {void}
	*/
	apply(compiler) {
	compiler.hooks.compilation.tap(
	"RequireContextPlugin",
	(compilation, { contextModuleFactory, normalModuleFactory }) => {
	compilation.dependencyFactories.set(
	ImportMetaContextDependency,
	contextModuleFactory
	);
	compilation.dependencyTemplates.set(
	ImportMetaContextDependency,
	new ImportMetaContextDependency.Template()
	);
	compilation.dependencyFactories.set(
	ContextElementDependency,
	normalModuleFactory
	);

	const handler = (parser, parserOptions) => {
	if (
	parserOptions.importMetaContext !== undefined &&
	!parserOptions.importMetaContext
	)
	return;

	new ImportMetaContextDependencyParserPlugin().apply(parser);
	};

	normalModuleFactory.hooks.parser
	.for("javascript/auto")
	.tap("ImportMetaContextPlugin", handler);
	normalModuleFactory.hooks.parser
	.for("javascript/esm")
	.tap("ImportMetaContextPlugin", handler);
	}
	);
	}
	}

	module.exports = ImportMetaContextPlugin;

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