text: /*
  	MIT License http://www.opensource.org/licenses/mit-license.php
  	Author Tobias Koppers @sokra
  */
  
  "use strict";
  
  const RuntimeGlobals = require("../RuntimeGlobals");
  const { equals } = require("../util/ArrayHelpers");
  const makeSerializable = require("../util/makeSerializable");
  const propertyAccess = require("../util/propertyAccess");
  const NullDependency = require("./NullDependency");
  
  /** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
  /** @typedef {import("../Dependency")} Dependency */
  /** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */
  /** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
  /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
  /** @typedef {import("../ModuleGraph")} ModuleGraph */
  /** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
  
  class CommonJsSelfReferenceDependency extends NullDependency {
  	constructor(range, base, names, call) {
  		super();
  		this.range = range;
  		this.base = base;
  		this.names = names;
  		this.call = call;
  	}
  
  	get type() {
  		return "cjs self exports reference";
  	}
  
  	get category() {
  		return "self";
  	}
  
  	/**
  	 * @returns {string | null} an identifier to merge equal requests
  	 */
  	getResourceIdentifier() {
  		return `self`;
  	}
  
  	/**
  	 * Returns list of exports referenced by this dependency
  	 * @param {ModuleGraph} moduleGraph module graph
  	 * @param {RuntimeSpec} runtime the runtime for which the module is analysed
  	 * @returns {(string[] | ReferencedExport)[]} referenced exports
  	 */
  	getReferencedExports(moduleGraph, runtime) {
  		return [this.call ? this.names.slice(0, -1) : this.names];
  	}
  
  	serialize(context) {
  		const { write } = context;
  		write(this.range);
  		write(this.base);
  		write(this.names);
  		write(this.call);
  		super.serialize(context);
  	}
  
  	deserialize(context) {
  		const { read } = context;
  		this.range = read();
  		this.base = read();
  		this.names = read();
  		this.call = read();
  		super.deserialize(context);
  	}
  }
  
  makeSerializable(
  	CommonJsSelfReferenceDependency,
  	"webpack/lib/dependencies/CommonJsSelfReferenceDependency"
  );
  
  CommonJsSelfReferenceDependency.Template = class CommonJsSelfReferenceDependencyTemplate extends (
  	NullDependency.Template
  ) {
  	/**
  	 * @param {Dependency} dependency the dependency for which the template should be applied
  	 * @param {ReplaceSource} source the current replace source which can be modified
  	 * @param {DependencyTemplateContext} templateContext the context object
  	 * @returns {void}
  	 */
  	apply(
  		dependency,
  		source,
  		{ module, moduleGraph, runtime, runtimeRequirements }
  	) {
  		const dep = /** @type {CommonJsSelfReferenceDependency} */ (dependency);
  		let used;
  		if (dep.names.length === 0) {
  			used = dep.names;
  		} else {
  			used = moduleGraph.getExportsInfo(module).getUsedName(dep.names, runtime);
  		}
  		if (!used) {
  			throw new Error(
  				"Self-reference dependency has unused export name: This should not happen"
  			);
  		}
  
  		let base = undefined;
  		switch (dep.base) {
  			case "exports":
  				runtimeRequirements.add(RuntimeGlobals.exports);
  				base = module.exportsArgument;
  				break;
  			case "module.exports":
  				runtimeRequirements.add(RuntimeGlobals.module);
  				base = `${module.moduleArgument}.exports`;
  				break;
  			case "this":
  				runtimeRequirements.add(RuntimeGlobals.thisAsExports);
  				base = "this";
  				break;
  			default:
  				throw new Error(`Unsupported base ${dep.base}`);
  		}
  
  		if (base === dep.base && equals(used, dep.names)) {
  			// Nothing has to be changed
  			// We don't use a replacement for compat reasons
  			// for plugins that update `module._source` which they
  			// shouldn't do!
  			return;
  		}
  
  		source.replace(
  			dep.range[0],
  			dep.range[1] - 1,
  			`${base}${propertyAccess(used)}`
  		);
  	}
  };
  
  module.exports = CommonJsSelfReferenceDependency;
  