From: Ori Livneh <ori@wikimedia.org>
Date: Sun, 13 Oct 2013 21:22:51 +0000 (-0700)
Subject: Add method for inspecting module dependency relations
X-Git-Tag: 1.31.0-rc.0~18336^2
X-Git-Url: http://git.cyclocoop.org//%22javascript:ModifierStyle%28%27%22.%24id.%22%27%29/%22?a=commitdiff_plain;h=55d65ad807d817ecb022be7d5eb01b2146f94740;p=lhc%2Fweb%2Fwiklou.git

Add method for inspecting module dependency relations

This patch adds mw.inspect#getDependencyGraph, which returns an object
enumerating all the modules that a given module requires and all the modules
that require the given module. There is no special console report associated
with this method.

Change-Id: Ib234c2c8bbbf8f34860b04e8d299b6923f4775ef
---

diff --git a/resources/mediawiki/mediawiki.inspect.js b/resources/mediawiki/mediawiki.inspect.js
index 8268f12c61..0317737188 100644
--- a/resources/mediawiki/mediawiki.inspect.js
+++ b/resources/mediawiki/mediawiki.inspect.js
@@ -20,6 +20,29 @@
 	 */
 	var inspect = {
 
+		/**
+		 * Return a map of all dependency relationships between loaded modules.
+		 *
+		 * @return {Object} Maps module names to objects. Each sub-object has
+		 *  two properties, 'requires' and 'requiredBy'.
+		 */
+		getDependencyGraph: function () {
+			var modules = inspect.getLoadedModules(), graph = {};
+
+			$.each( modules, function ( moduleIndex, moduleName ) {
+				var dependencies = mw.loader.moduleRegistry[moduleName].dependencies || [];
+
+				graph[moduleName] = graph[moduleName] || { requiredBy: [] };
+				graph[moduleName].requires = dependencies;
+
+				$.each( dependencies, function ( depIndex, depName ) {
+					graph[depName] = graph[depName] || { requiredBy: [] };
+					graph[depName].requiredBy.push( moduleName );
+				} );
+			} );
+			return graph;
+		},
+
 		/**
 		 * Calculate the byte size of a ResourceLoader module.
 		 *
@@ -184,7 +207,7 @@
 				} );
 				sortByProperty( modules, 'allSelectors', true );
 				return modules;
-			},
+			}
 		}
 	};