CommonJsDependencyHelpers.js
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CommonJsDependencyHelpers.js
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			/*
			MIT License http://www.opensource.org/licenses/mit-license.php
			Author Tobias Koppers @sokra
			*/

			"use strict";

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

			exports.handleDependencyBase = (depBase, module, runtimeRequirements) => {
			let base = undefined;
			let type;
			switch (depBase) {
			case "exports":
			runtimeRequirements.add(RuntimeGlobals.exports);
			base = module.exportsArgument;
			type = "expression";
			break;
			case "module.exports":
			runtimeRequirements.add(RuntimeGlobals.module);
			base = `${module.moduleArgument}.exports`;
			type = "expression";
			break;
			case "this":
			runtimeRequirements.add(RuntimeGlobals.thisAsExports);
			base = "this";
			type = "expression";
			break;
			case "Object.defineProperty(exports)":
			runtimeRequirements.add(RuntimeGlobals.exports);
			base = module.exportsArgument;
			type = "Object.defineProperty";
			break;
			case "Object.defineProperty(module.exports)":
			runtimeRequirements.add(RuntimeGlobals.module);
			base = `${module.moduleArgument}.exports`;
			type = "Object.defineProperty";
			break;
			case "Object.defineProperty(this)":
			runtimeRequirements.add(RuntimeGlobals.thisAsExports);
			base = "this";
			type = "Object.defineProperty";
			break;
			default:
			throw new Error(`Unsupported base ${depBase}`);
			}

			return [type, base];
			};