From de98e0b232509d5f40c135d540a70e415272ff85 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Wed, 3 May 2017 15:35:00 +0200
Subject: node_modules

---
 .../CommonJsRequireDependencyParserPlugin.js       | 89 ++++++++++++++++++++++
 1 file changed, 89 insertions(+)
 create mode 100644 node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js

(limited to 'node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js')

diff --git a/node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js b/node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js
new file mode 100644
index 000000000..2e2fee613
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/CommonJsRequireDependencyParserPlugin.js
@@ -0,0 +1,89 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const CommonJsRequireDependency = require("./CommonJsRequireDependency");
+const CommonJsRequireContextDependency = require("./CommonJsRequireContextDependency");
+const RequireHeaderDependency = require("./RequireHeaderDependency");
+const LocalModuleDependency = require("./LocalModuleDependency");
+const ContextDependencyHelpers = require("./ContextDependencyHelpers");
+const LocalModulesHelpers = require("./LocalModulesHelpers");
+const ParserHelpers = require("../ParserHelpers");
+
+class CommonJsRequireDependencyParserPlugin {
+	constructor(options) {
+		this.options = options;
+	}
+
+	apply(parser) {
+		const options = this.options;
+		parser.plugin("expression require.cache", ParserHelpers.toConstantDependency("__webpack_require__.c"));
+		parser.plugin("expression require", (expr) => {
+			const dep = new CommonJsRequireContextDependency(options.unknownContextRequest, options.unknownContextRecursive, options.unknownContextRegExp, expr.range);
+			dep.critical = options.unknownContextCritical && "require function is used in a way in which dependencies cannot be statically extracted";
+			dep.loc = expr.loc;
+			dep.optional = !!parser.scope.inTry;
+			parser.state.current.addDependency(dep);
+			return true;
+		});
+		parser.plugin("call require", (expr) => {
+			if(expr.arguments.length !== 1) return;
+			let localModule;
+			const param = parser.evaluateExpression(expr.arguments[0]);
+			if(param.isConditional()) {
+				let isExpression = false;
+				const prevLength = parser.state.current.dependencies.length;
+				const dep = new RequireHeaderDependency(expr.callee.range);
+				dep.loc = expr.loc;
+				parser.state.current.addDependency(dep);
+				param.options.forEach(function(param) {
+					const result = parser.applyPluginsBailResult("call require:commonjs:item", expr, param);
+					if(result === undefined) {
+						isExpression = true;
+					}
+				});
+				if(isExpression) {
+					parser.state.current.dependencies.length = prevLength;
+				} else {
+					return true;
+				}
+			}
+			if(param.isString() && (localModule = LocalModulesHelpers.getLocalModule(parser.state, param.string))) {
+				const dep = new LocalModuleDependency(localModule, expr.range);
+				dep.loc = expr.loc;
+				parser.state.current.addDependency(dep);
+				return true;
+			} else {
+				const result = parser.applyPluginsBailResult("call require:commonjs:item", expr, param);
+				if(result === undefined) {
+					parser.applyPluginsBailResult("call require:commonjs:context", expr, param);
+				} else {
+					const dep = new RequireHeaderDependency(expr.callee.range);
+					dep.loc = expr.loc;
+					parser.state.current.addDependency(dep);
+				}
+				return true;
+			}
+		});
+		parser.plugin("call require:commonjs:item", (expr, param) => {
+			if(param.isString()) {
+				const dep = new CommonJsRequireDependency(param.string, param.range);
+				dep.loc = expr.loc;
+				dep.optional = !!parser.scope.inTry;
+				parser.state.current.addDependency(dep);
+				return true;
+			}
+		});
+		parser.plugin("call require:commonjs:context", (expr, param) => {
+			const dep = ContextDependencyHelpers.create(CommonJsRequireContextDependency, expr.range, param, expr, options);
+			if(!dep) return;
+			dep.loc = expr.loc;
+			dep.optional = !!parser.scope.inTry;
+			parser.state.current.addDependency(dep);
+			return true;
+		});
+	}
+}
+module.exports = CommonJsRequireDependencyParserPlugin;
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