webpack/lib/dependencies/RequireIncludePlugin.js

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/
"use strict";

const RequireIncludeDependency = require("./RequireIncludeDependency");
const RequireIncludeDependencyParserPlugin = require("./RequireIncludeDependencyParserPlugin");

const ParserHelpers = require("../ParserHelpers");

class RequireIncludePlugin {
	apply(compiler) {
		compiler.hooks.compilation.tap("RequireIncludePlugin", (compilation, {
			normalModuleFactory
		}) => {
			compilation.dependencyFactories.set(RequireIncludeDependency, normalModuleFactory);
			compilation.dependencyTemplates.set(RequireIncludeDependency, new RequireIncludeDependency.Template());

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

				new RequireIncludeDependencyParserPlugin().apply(parser);
				parser.hooks.evaluateTypeof.for("require.include").tap("RequireIncludePlugin", ParserHelpers.evaluateToString("function"));
				parser.hooks.typeof.for("require.include").tap("RequireIncludePlugin", ParserHelpers.toConstantDependency(parser, JSON.stringify("function")));
			};

			normalModuleFactory.hooks.parser.for("javascript/auto").tap("RequireIncludePlugin", handler);
			normalModuleFactory.hooks.parser.for("javascript/dynamic").tap("RequireIncludePlugin", handler);
		});
	}
}
module.exports = RequireIncludePlugin;