Files F117783816

WebpackIsIncludedPlugin.js
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Created: Mon, Jun 16, 00:02

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

	"use strict";

	const IgnoreErrorModuleFactory = require("./IgnoreErrorModuleFactory");
	const WebpackIsIncludedDependency = require("./dependencies/WebpackIsIncludedDependency");
	const {
	toConstantDependency
	} = require("./javascript/JavascriptParserHelpers");

	/** @typedef {import("enhanced-resolve/lib/Resolver")} Resolver */
	/** @typedef {import("./Compiler")} Compiler */
	/** @typedef {import("./Module")} Module */
	/** @typedef {import("./javascript/JavascriptParser")} JavascriptParser */

	class WebpackIsIncludedPlugin {
	/**
	* @param {Compiler} compiler the compiler instance
	* @returns {void}
	*/
	apply(compiler) {
	compiler.hooks.compilation.tap(
	"WebpackIsIncludedPlugin",
	(compilation, { normalModuleFactory }) => {
	compilation.dependencyFactories.set(
	WebpackIsIncludedDependency,
	new IgnoreErrorModuleFactory(normalModuleFactory)
	);
	compilation.dependencyTemplates.set(
	WebpackIsIncludedDependency,
	new WebpackIsIncludedDependency.Template()
	);

	/**
	* @param {JavascriptParser} parser the parser
	* @returns {void}
	*/
	const handler = parser => {
	parser.hooks.call
	.for("__webpack_is_included__")
	.tap("WebpackIsIncludedPlugin", expr => {
	if (
	expr.type !== "CallExpression" \|\|
	expr.arguments.length !== 1 \|\|
	expr.arguments[0].type === "SpreadElement"
	)
	return;

	const request = parser.evaluateExpression(expr.arguments[0]);

	if (!request.isString()) return;

	const dep = new WebpackIsIncludedDependency(
	request.string,
	expr.range
	);
	dep.loc = expr.loc;
	parser.state.module.addDependency(dep);
	return true;
	});
	parser.hooks.typeof
	.for("__webpack_is_included__")
	.tap(
	"WebpackIsIncludedPlugin",
	toConstantDependency(parser, JSON.stringify("function"))
	);
	};
	normalModuleFactory.hooks.parser
	.for("javascript/auto")
	.tap("WebpackIsIncludedPlugin", handler);
	normalModuleFactory.hooks.parser
	.for("javascript/dynamic")
	.tap("WebpackIsIncludedPlugin", handler);
	normalModuleFactory.hooks.parser
	.for("javascript/esm")
	.tap("WebpackIsIncludedPlugin", handler);
	}
	);
	}
	}

	module.exports = WebpackIsIncludedPlugin;

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