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

---
 .../lib/dependencies/HarmonyModulesHelpers.js      | 85 ++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100644 node_modules/webpack/lib/dependencies/HarmonyModulesHelpers.js

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

diff --git a/node_modules/webpack/lib/dependencies/HarmonyModulesHelpers.js b/node_modules/webpack/lib/dependencies/HarmonyModulesHelpers.js
new file mode 100644
index 000000000..cd3b63115
--- /dev/null
+++ b/node_modules/webpack/lib/dependencies/HarmonyModulesHelpers.js
@@ -0,0 +1,85 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+class HarmonyModulesHelpers {
+
+	static getModuleVar(state, request) {
+		if(!state.harmonyModules) state.harmonyModules = [];
+		var idx = state.harmonyModules.indexOf(request);
+		if(idx < 0) {
+			idx = state.harmonyModules.length;
+			state.harmonyModules.push(request);
+		}
+		return "__WEBPACK_IMPORTED_MODULE_" + idx + "_" + request.replace(/[^A-Za-z0-9_]/g, "_").replace(/__+/g, "_") + "__";
+	}
+
+	static getNewModuleVar(state, request) {
+		if(state.harmonyModules && state.harmonyModules.indexOf(request) >= 0)
+			return null;
+		return this.getModuleVar(state, request);
+	}
+
+	static checkModuleVar(state, request) {
+		if(!state.harmonyModules || state.harmonyModules.indexOf(request) < 0)
+			return null;
+		return this.getModuleVar(state, request);
+	}
+
+	// checks if an harmony dependency is active in a module according to
+	// precedence rules.
+	static isActive(module, depInQuestion) {
+		var desc = depInQuestion.describeHarmonyExport();
+		if(!desc.exportedName) return true;
+		var before = true;
+		for(var i = 0; i < module.dependencies.length; i++) {
+			var dep = module.dependencies[i];
+			if(dep === depInQuestion) {
+				before = false;
+				continue;
+			}
+			if(!dep.describeHarmonyExport) continue;
+			var d = dep.describeHarmonyExport();
+			if(!d || !d.exportedName) continue;
+			if(d.exportedName === desc.exportedName) {
+				if(d.precedence < desc.precedence) {
+					return false;
+				}
+				if(d.precedence === desc.precedence && !before) {
+					return false;
+				}
+			}
+		}
+		return true;
+	}
+
+	// get a list of named exports defined in a module
+	// doesn't include * reexports.
+	static getActiveExports(module, currentDependency) {
+		var desc = currentDependency && currentDependency.describeHarmonyExport();
+		var currentIndex = currentDependency ? module.dependencies.indexOf(currentDependency) : -1;
+		return module.dependencies.map((dep, idx) => {
+			return {
+				dep: dep,
+				idx: idx
+			};
+		}).reduce((arr, data) => {
+			var dep = data.dep;
+			if(!dep.describeHarmonyExport) return arr;
+			var d = dep.describeHarmonyExport();
+			if(!d) return arr;
+			if(!desc || (d.precedence < desc.precedence) || (d.precedence === desc.precedence && data.idx < currentIndex)) {
+				var names = [].concat(d.exportedName);
+				names.forEach(function(name) {
+					if(name && arr.indexOf(name) < 0)
+						arr.push(name);
+				});
+			}
+			return arr;
+		}, []);
+	}
+}
+
+module.exports = HarmonyModulesHelpers;
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