Analyze npm package dependencies

cypher/GitLog/Add_CHANGED_TOGETHER_WITH_relationships_to_code_files.cypher

@@ -4,8 +4,9 @@ MATCH (firstGitFile:Git&File&!Repository)-[gitChange:CHANGED_TOGETHER_WITH]-(sec
 WHERE elementId(firstGitFile) < elementId(secondGitFile)
 MATCH (firstGitFile)-[:RESOLVES_TO]->(firstCodeFile:File&!Git&!Repository)
 MATCH (secondGitFile)-[:RESOLVES_TO]->(secondCodeFile:File&!Git&!Repository)
+WHERE firstGitFile <> secondGitFile
  CALL (firstCodeFile, secondCodeFile, gitChange) {
        MERGE (firstCodeFile)-[pairwiseChange:CHANGED_TOGETHER_WITH]-(secondCodeFile)
          SET pairwiseChange = properties(gitChange)
-      } IN TRANSACTIONS
+      } IN TRANSACTIONS OF 750 ROWS
 RETURN count(*) AS pairCount

cypher/GitLog/Add_CHANGED_TOGETHER_WITH_relationships_to_git_files.cypher

@@ -39,6 +39,7 @@ WHERE updateCommitCount > 2
  WITH *
      ,fileCombination[0] AS firstFile
      ,fileCombination[1] AS secondFile
+ WHERE firstFile <> secondFile
  WITH *
      // Get the lowest number of git update commits of both files (file pair) 
      ,CASE WHEN firstFile.updateCommitCount < secondFile.updateCommitCount

cypher/GitLog/Add_RESOLVES_TO_relationships_to_git_files_for_Java.cypher

@@ -20,7 +20,7 @@ WHERE gitFileName ENDS WITH codeFileName
  CALL { WITH git_file, code_file
        MERGE (git_file)-[:RESOLVES_TO]->(code_file)
           ON CREATE SET git_file.resolved = true
-      } IN TRANSACTIONS
+      } IN TRANSACTIONS OF 1000 ROWS
 RETURN count(DISTINCT codeFileName)  AS numberOfCodeFiles
       ,collect(DISTINCT codeFileName + ' <-> ' + gitFileName + '\n')[0..4] AS examples
 // RETURN codeFileName, gitFileName

cypher/GitLog/Add_RESOLVES_TO_relationships_to_git_files_for_Typescript.cypher

@@ -22,7 +22,7 @@ WHERE codeFileName      ENDS WITH gitFileName
  CALL { WITH git_file, code_file
        MERGE (git_file)-[:RESOLVES_TO]->(code_file)
           ON CREATE SET git_file.resolved = true
-      } IN TRANSACTIONS
+      } IN TRANSACTIONS OF 1000 ROWS
 RETURN count(DISTINCT codeFileName)  AS numberOfCodeFiles
       ,collect(DISTINCT codeFileName + ' <-> ' + gitFileName + '\n')[0..4] AS examples
 // RETURN codeFileName, gitFileName

cypher/Internal_Dependencies/NPM_Package_build_levels_for_graphviz.cypher

@@ -0,0 +1,36 @@
+// List of all NPM packages and their dependencies with build levels for GraphViz Visualization
+
+ MATCH (sourceForStatistics:NPM:Package)-[dependencyForStatistics:DEPENDS_ON]->(targetForStatistics:NPM:Package)
+ WHERE sourceForStatistics.maxDistanceFromSource IS NOT NULL
+   AND targetForStatistics.maxDistanceFromSource IS NOT NULL
+  WITH min(dependencyForStatistics.weightByDependencyType) AS minWeight
+      ,max(dependencyForStatistics.weightByDependencyType) AS maxWeight
+      ,max(targetForStatistics.maxDistanceFromSource) AS maxLevel
+ MATCH (source:NPM:Package)-[dependency:DEPENDS_ON]->(target:NPM:Package)
+ WHERE source.maxDistanceFromSource IS NOT NULL
+   AND target.maxDistanceFromSource IS NOT NULL
+  WITH *, CASE
+             WHEN maxWeight = minWeight THEN 0.0
+             ELSE toFloat(dependency.weightByDependencyType - minWeight) / toFloat(maxWeight - minWeight)
+           END AS normalizedWeight
+  WITH *, round((normalizedWeight * 5) + 1, 2) AS penWidth
+  WITH *, "\\n(level " + coalesce(source.maxDistanceFromSource + "/" + maxLevel, "?") + ")" AS sourceLevelInfo
+  WITH *, "\\n(level " + coalesce(target.maxDistanceFromSource + "/" + maxLevel, "?") + ")" AS targetLevelInfo
+  WITH *, source.name + sourceLevelInfo AS fullSourceName
+  WITH *, target.name + targetLevelInfo AS fullTargetName
+  WITH *, "\" -> \"" + fullTargetName 
+                   + "\" [label = "  + dependency.weightByDependencyType + ";"
+                   + " penwidth = "  + penWidth + ";"
+                   + " ];"    AS graphVizDotNotationEdge
+  WITH *, "\"" + fullSourceName + coalesce(graphVizDotNotationEdge, "\" [];") AS graphVizDotNotationLine
+ ORDER BY dependency.weightByDependencyType DESC, target.maxDistanceFromSource DESC
+RETURN graphVizDotNotationLine
+      //Debugging
+      //,source.name       AS sourceName
+      //,target.name       AS targetName
+      //,penWidth
+      //,normalizedWeight
+      //,dependency.weightByDependencyType AS weight
+      //,minWeight
+      //,maxWeight
+LIMIT 440

cypher/Internal_Dependencies/Typescript_Module_build_levels_for_graphviz.cypher

@@ -6,13 +6,15 @@
   WITH min(dependencyForStatistics.weight) AS minWeight
       ,max(dependencyForStatistics.weight) AS maxWeight
       ,max(targetForStatistics.maxDistanceFromSource) AS maxLevel
-MATCH (source:TS:Module)-[dependency:DEPENDS_ON]->(target:TS:Module)
+ MATCH (source:TS:Module)-[dependency:DEPENDS_ON]->(target:TS:Module)
  WHERE source.maxDistanceFromSource IS NOT NULL
    AND target.maxDistanceFromSource IS NOT NULL
   WITH *, toFloat(dependency.cardinality - minWeight) / toFloat(maxWeight - minWeight) AS normalizedWeight
   WITH *, round((normalizedWeight * 5) + 1, 2) AS penWidth
-  WITH *, source.rootProjectName + "\\n" + source.name + "\\n(level " + coalesce(source.maxDistanceFromSource + "/" + maxLevel, "?") + ")" AS fullSourceName
-  WITH *, target.rootProjectName + "\\n" + target.name + "\\n(level " + coalesce(target.maxDistanceFromSource + "/" + maxLevel, "?") + ")" AS fullTargetName
+  WITH *, "\\n(level " + coalesce(source.maxDistanceFromSource + "/" + maxLevel, "?") + ")" AS sourceLevelInfo
+  WITH *, "\\n(level " + coalesce(target.maxDistanceFromSource + "/" + maxLevel, "?") + ")" AS targetLevelInfo
+  WITH *, source.rootProjectName + "\\n" + source.name + sourceLevelInfo AS fullSourceName
+  WITH *, target.rootProjectName + "\\n" + target.name + targetLevelInfo AS fullTargetName
   WITH *, "\" -> \"" + fullTargetName 
                    + "\" [label = "  + dependency.cardinality + ";"
                    + " penwidth = "  + penWidth + ";"

cypher/Path_Finding/Path_Finding_6_Longest_paths_contributors_for_graphviz.cypher

@@ -1,4 +1,4 @@
-// Path Finding - Longest path - Stream - List all dependencies for nodes contributing to longest paths and highlight those paths in the Visualization with GraphViz.
+// Path Finding - Longest path - Stream - List all dependencies for nodes contributing to longest paths and highlight those paths in the Visualization with GraphViz. Recommended prerequisite: Topological_Sort_Write.cypher
 
 // Gather global statistics about dependency weights and levels for normalization and node details
  MATCH (sourceNodeForStatistics)-[dependencyForStatistics:DEPENDS_ON]->(targetNodeForStatistics)
@@ -55,8 +55,12 @@
   WITH *, dependency[$dependencies_projection_weight_property]    AS weight
   WITH *, toFloat(weight - minWeight) * weightNormalizationFactor AS normalizedWeight
   WITH *, round((normalizedWeight * 5) + 1, 2)                    AS penWidth
-  WITH *, source.name + "\\n(level " + source.maxDistanceFromSource + "/" + maxLevel + ")"    AS startNodeTitle
-  WITH *, target.name   + "\\n(level " + target.maxDistanceFromSource + "/" + maxLevel + ")"  AS endNodeTitle
+  WITH *, coalesce("\\n(level " + source.maxDistanceFromSource + "/" + maxLevel + ")", "")    AS startNodeLevelInfo
+  WITH *, coalesce("\\n" + source.rootProjectName, "")                                        AS startNodeProjectInfo
+  WITH *, coalesce("\\n(level " + target.maxDistanceFromSource + "/" + maxLevel + ")", "")    AS endNodeLevelInfo
+  WITH *, coalesce("\\n" + target.rootProjectName, "")                                        AS endNodeProjectInfo
+  WITH *, source.name + startNodeProjectInfo + startNodeLevelInfo                             AS startNodeTitle
+  WITH *, target.name + endNodeProjectInfo + endNodeLevelInfo                                 AS endNodeTitle
                // The longest path will be highlighted in red.
   WITH *, CASE WHEN isPartOfLongestPath       THEN "; color=\"red\"" 
                // Dependencies contributing to the longest path will be highlighted in dark orange.

cypher/Path_Finding/Path_Finding_6_Longest_paths_for_graphviz.cypher

@@ -1,4 +1,4 @@
-// Path Finding - Longest path - Stream - Find the top 100 dependencies contributing to the longest paths for Visualization with GraphViz
+// Path Finding - Longest path - Stream - Find the top 100 dependencies contributing to the longest paths for Visualization with GraphViz. Recommended prerequisite: Topological_Sort_Write.cypher
 
  MATCH (sourceNodeForStatistics)-[dependencyForStatistics:DEPENDS_ON]->(targetNodeForStatistics)
  WHERE $dependencies_projection_node IN LABELS(sourceNodeForStatistics)
@@ -19,8 +19,12 @@
   WITH *, dependency[$dependencies_projection_weight_property] AS weight
   WITH *, toFloat(weight - minWeight) * weightNormalizationFactor AS normalizedWeight
   WITH *, round((normalizedWeight * 5) + 1, 2) AS penWidth
-  WITH *, startNode.name + "\\n(level " + startNode.maxDistanceFromSource + "/" + maxLevel + ")" AS startNodeTitle
-  WITH *, endNode.name   + "\\n(level " + endNode.maxDistanceFromSource + "/" + maxLevel + ")"   AS endNodeTitle
+  WITH *, coalesce("\\n(level " + startNode.maxDistanceFromSource + "/" + maxLevel + ")", "")    AS startNodeLevelInfo
+  WITH *, coalesce("\\n" + startNode.rootProjectName, "")                                        AS startNodeProjectInfo
+  WITH *, coalesce("\\n(level " + endNode.maxDistanceFromSource + "/" + maxLevel + ")", "")      AS endNodeLevelInfo
+  WITH *, coalesce("\\n" + endNode.rootProjectName, "")                                          AS endNodeProjectInfo
+  WITH *, startNode.name + startNodeProjectInfo + startNodeLevelInfo                             AS startNodeTitle
+  WITH *, endNode.name + endNodeProjectInfo + endNodeLevelInfo                                   AS endNodeTitle
   WITH *, "[label=" + weight  + "; penwidth=" + penWidth + "; ];"    AS graphVizEdgeAttributes
   WITH *, "\"" + startNodeTitle +  "\" -> \"" + endNodeTitle + "\" " + graphVizEdgeAttributes    AS graphVizDotNotationLine
 RETURN graphVizDotNotationLine

cypher/Path_Finding/Set_Parameters_NPM.cypher

@@ -0,0 +1,8 @@
+// Example on how to set the parameters for path finding in this case for NPM Packages
+
+:params {
+    "dependencies_projection_language":"NPM",
+    "dependencies_projection": "npm-package-path-finding",     
+    "dependencies_projection_node": "Package",
+    "dependencies_projection_weight_property": "weightByDependencyType",
+}

cypher/Path_Finding/Set_Parameters_Typescript_Module.cypher

@@ -0,0 +1,8 @@
+// Example on how to set the parameters for path finding in this case for TypeScript modules
+
+:params {
+    "dependencies_projection_language":"Typescript",
+    "dependencies_projection": "typescript-module-path-finding",     
+    "dependencies_projection_node": "Module",
+    "dependencies_projection_weight_property": "lowCouplingElement25PercentWeight",
+}

cypher/Topological_Sort/Topological_Sort_Exists.cypher

@@ -0,0 +1,10 @@
+// Return the first node with a "maxDistanceFromSource" if it exists
+
+MATCH (codeUnit)
+ WHERE codeUnit.maxDistanceFromSource IS NOT NULL
+   AND codeUnit.topologicalSortIndex  IS NOT NULL
+   AND $dependencies_projection_node  IN LABELS(codeUnit) 
+RETURN codeUnit.name                                       AS shortCodeUnitName
+      ,elementId(codeUnit)                                 AS nodeElementId
+      ,codeUnit.maxDistanceFromSource                      AS maxDistanceFromSource
+LIMIT 1

cypher/Typescript_Enrichment/Add_DEPENDS_ON_relationship_to_resolved_modules.cypher

@@ -12,5 +12,5 @@
             ON MATCH  SET resolvedDependsOn             = dependsOn // Overwrites existing properties
                          ,resolvedDependsOn.cardinality = existingDependency.cardinality + dependsOn.cardinality // Add cardinalities
                          ,resolvedDependsOn.updated     = true
-       } IN TRANSACTIONS
+       } IN TRANSACTIONS OF 1000 ROWS
 RETURN count(*) as resolvedDependencies

cypher/Typescript_Enrichment/Add_IS_IMPLEMENTED_IN_relationship_for_matching_declarations.cypher

@@ -7,7 +7,7 @@
   WITH externalDeclaration, internalDeclaration
   CALL { WITH externalDeclaration, internalDeclaration
         MERGE (externalDeclaration)-[:IS_IMPLEMENTED_IN]->(internalDeclaration)
-       } IN TRANSACTIONS
+       } IN TRANSACTIONS OF 1000 ROWS
 RETURN count(  DISTINCT externalDeclaration.globalFqn + ' -> ' + internalDeclaration.globalFqn)       AS linkedDeclarationCount
       ,collect(DISTINCT externalDeclaration.globalFqn + ' -> ' + internalDeclaration.globalFqn)[0..4] AS linkedDeclarationExamples
 //Debugging

cypher/Typescript_Enrichment/Add_IS_IMPLEMENTED_IN_relationship_for_matching_modules.cypher

@@ -48,7 +48,7 @@ WHERE equalGlobalFqn
    OR equalNameAndNpmPackage
  CALL {  WITH module, externalModule
         MERGE (externalModule)-[:IS_IMPLEMENTED_IN]->(module)
-      } IN TRANSACTIONS
+      } IN TRANSACTIONS OF 1000 ROWS
 RETURN CASE WHEN equalGlobalFqn            THEN 'equalGlobalFqn'
             WHEN equalModule               THEN 'equalModule'
             WHEN equalNameWithoutNamespace THEN 'equalNameWithoutNamespace'

cypher/Typescript_Enrichment/Enrich_npm_packages_with_dependency_counts.cypher

@@ -0,0 +1,20 @@
+// Enrich NPM:Package nodes with incoming and outgoing dependency counts
+// Requires Link_npm_packages_with_depends_on_relationships.cypher
+
+MATCH (package:NPM:Package)
+WITH package,
+     // Private packages often contain test and example code. They will be left out of the main dependency graph analysis.
+     CASE WHEN package.private = true OR package.private = "true" THEN 1 ELSE 0 END AS testMarkerInteger,
+     COUNT {(package)<-[:DEPENDS_ON]-(:NPM:Package)}  AS incomingDependencies,
+     COUNT {(package)-[:DEPENDS_ON]->(:NPM:Package)}  AS outgoingDependencies
+SET  package.incomingDependencies = incomingDependencies,
+     package.outgoingDependencies = outgoingDependencies,
+     package.testMarkerInteger    = testMarkerInteger
+RETURN count(DISTINCT package)        AS numberOfPackagesEnriched
+      ,sum(incomingDependencies)      AS totalIncomingDependencies
+      ,sum(outgoingDependencies)      AS totalOutgoingDependencies
+      ,avg(incomingDependencies)      AS averageIncomingDependencies
+      ,avg(outgoingDependencies)      AS averageOutgoingDependencies
+// Debugging
+// RETURN package.name, package.incomingDependencies, package.outgoingDependencies
+// LIMIT 20

cypher/Typescript_Enrichment/Link_external_modules_to_corresponding_npm_dependency.cypher

@@ -11,7 +11,7 @@ UNWIND external_modules         AS external_module
         MERGE (external_module)-[:PROVIDED_BY_NPM_DEPENDENCY]->(npm_dependency)
           SET external_module.npmPackage        = npm_dependency.name
              ,external_module.npmPackageVersion = npm_dependency.dependency
-      } IN TRANSACTIONS
+      } IN TRANSACTIONS OF 1000 ROWS
 RETURN totalNumberOfExternalModules
       ,count(DISTINCT external_module.globalFqn) AS numberOfLinkedExternalModules
       ,count(DISTINCT project.name)              AS numberOfProjects

cypher/Typescript_Enrichment/Link_npm_dependencies_to_npm_packages.cypher

@@ -1,12 +1,14 @@
-// Link npm dependencies to the npm package that describe them if it exists
+// Link npm dependencies to the npm package that describes them, if it exists
 
 MATCH (npm_dependency:NPM:Dependency)
 MATCH (npm_package:NPM:Package)
 WHERE  npm_package.name = npm_dependency.name
   AND  npm_package     <> npm_dependency
+  AND  NOT npm_package.name CONTAINS '{{' 
+  AND  NOT npm_package.name CONTAINS '}}' 
  CALL { WITH npm_package, npm_dependency
        MERGE (npm_dependency)-[:IS_DESCRIBED_IN_NPM_PACKAGE]->(npm_package)
-      } IN TRANSACTIONS
+      } IN TRANSACTIONS OF 1000 ROWS
 RETURN count(*)                       AS numberOfWrittenRelationships
       ,count(DISTINCT npm_dependency) AS numberOfDistinctNpmDependencies
       ,count(DISTINCT npm_package)    AS numberOfDistinctNpmPackages

cypher/Typescript_Enrichment/Link_npm_packages_with_depends_on_relationships.cypher

@@ -0,0 +1,30 @@
+// Link npm packages with DEPENDS_ON relationships. Requires Link_npm_dependencies_to_npm_packages.
+// This creates direct package-to-package dependencies by following the chain:
+// (source:NPM:Package)-[dependency_relationship]->(NPM:Dependency)-[:IS_DESCRIBED_IN_NPM_PACKAGE]->(target:NPM:Package)
+
+MATCH (source:NPM:Package)-[dependency_relationship]->(npm_dependency:NPM:Dependency)
+MATCH (npm_dependency)-[:IS_DESCRIBED_IN_NPM_PACKAGE]->(target:NPM:Package)
+WHERE  source     <> target
+  AND  source.name IS NOT NULL
+  AND  target.name IS NOT NULL
+WITH source
+      ,target 
+      ,
+      // Weight peer dependencies as 3, regular dependencies as 2, and dev dependencies as 1.
+      // The highest weight is used when multiple dependency types exist for the same package pair.
+      max(CASE 
+        WHEN dependency_relationship:DECLARES_PEER_DEPENDENCY THEN 3
+        WHEN dependency_relationship:DECLARES_DEPENDENCY      THEN 2
+        WHEN dependency_relationship:DECLARES_DEV_DEPENDENCY  THEN 1
+        ELSE 1
+      END) AS weightByDependencyType
+ CALL { WITH source, target, weightByDependencyType
+       MERGE (source)-[dependsOnRelationship:DEPENDS_ON]->(target)
+         SET dependsOnRelationship.weightByDependencyType = weightByDependencyType
+      } IN TRANSACTIONS OF 1000 ROWS
+RETURN count(*)                          AS numberOfWrittenRelationships
+      ,count(DISTINCT source)            AS numberOfDistinctSourcePackages
+      ,count(DISTINCT target)            AS numberOfDistinctTargetPackages
+// Debugging
+// RETURN source.name, target.name, weightByDependencyType
+// LIMIT 10

scripts/prepareAnalysis.sh

@@ -75,8 +75,10 @@ execute_cypher "${TYPESCRIPT_CYPHER_DIR}/Add_name_to_property_on_scan_nodes.cyph
 # Preparation - Cleanup Graph for Typescript by removing duplicate relationships
 execute_cypher "${TYPESCRIPT_CYPHER_DIR}/Remove_duplicate_CONTAINS_relations_between_files.cypher"
 
-# Preparation - Enrich Graph for Typescript by adding relationships between corresponding TS:Project and NPM:Package nodes
+# Preparation - Enrich Graph for Typescript NPM data (link dependencies to packages, add package-to-package DEPENDS_ON relationships, enrich dependency counts, and link TS:Project nodes to NPM:Package nodes)
 execute_cypher "${TYPESCRIPT_CYPHER_DIR}/Link_npm_dependencies_to_npm_packages.cypher"
+execute_cypher "${TYPESCRIPT_CYPHER_DIR}/Link_npm_packages_with_depends_on_relationships.cypher"
+execute_cypher "${TYPESCRIPT_CYPHER_DIR}/Enrich_npm_packages_with_dependency_counts.cypher"
 execute_cypher "${TYPESCRIPT_CYPHER_DIR}/Link_projects_to_npm_packages.cypher"
 dataVerificationResult=$( execute_cypher "${TYPESCRIPT_CYPHER_DIR}/Verify_projects_linked_to_npm_packages.cypher" "${@}")
 if is_csv_column_greater_zero "${dataVerificationResult}" "unresolvedProjectsCount"; then

scripts/reports/CentralityCsv.sh

@@ -439,6 +439,21 @@ if createUndirectedDependencyProjection "${MODULE_LANGUAGE}" "${MODULE_PROJECTIO
     runUndirectedCentralityAlgorithms "${MODULE_PROJECTION_UNDIRECTED}" "${MODULE_NODE}"
 fi
 
+# -- NPM Package Centrality ---------------------------------------
+
+NPM_LANGUAGE="dependencies_projection_language=NPM"
+NPM_PROJECTION="dependencies_projection=npm-package-centrality" 
+NPM_PROJECTION_UNDIRECTED="dependencies_projection=npm-package-centrality-undirected" 
+NPM_NODE="dependencies_projection_node=Package" 
+NPM_WEIGHT="dependencies_projection_weight_property=weightByDependencyType" 
+
+if createDirectedDependencyProjection "${NPM_LANGUAGE}" "${NPM_PROJECTION}" "${NPM_NODE}" "${NPM_WEIGHT}"; then
+    runCentralityAlgorithms "${NPM_PROJECTION}" "${NPM_NODE}" "${NPM_WEIGHT}"
+fi
+if createUndirectedDependencyProjection "${NPM_LANGUAGE}" "${NPM_PROJECTION_UNDIRECTED}" "${NPM_NODE}" "${NPM_WEIGHT}"; then
+    runUndirectedCentralityAlgorithms "${NPM_PROJECTION_UNDIRECTED}" "${NPM_NODE}"
+fi
+
 # ---------------------------------------------------------------
 
 # Clean-up after report generation. Empty reports will be deleted.

scripts/reports/InternalDependenciesVisualization.sh

@@ -52,5 +52,10 @@ reportName="${FULL_REPORT_DIRECTORY}/TypeScriptModuleBuildLevels"
 execute_cypher "${INTERNAL_DEPENDENCIES_CYPHER_DIR}/Typescript_Module_build_levels_for_graphviz.cypher" > "${reportName}.csv"
 source "${VISUALIZATION_SCRIPTS_DIR}/visualizeQueryResults.sh" "${reportName}.csv"
 
+# NPM Packages: Dependencies Visualization
+reportName="${FULL_REPORT_DIRECTORY}/NpmPackageBuildLevels"
+execute_cypher "${INTERNAL_DEPENDENCIES_CYPHER_DIR}/NPM_Package_build_levels_for_graphviz.cypher" > "${reportName}.csv"
+source "${VISUALIZATION_SCRIPTS_DIR}/visualizeQueryResults.sh" "${reportName}.csv"
+
 # Clean-up after report generation. Empty reports will be deleted.
 source "${SCRIPTS_DIR}/cleanupAfterReportGeneration.sh" "${FULL_REPORT_DIRECTORY}"

scripts/reports/PathFindingCsv.sh

@@ -140,6 +140,16 @@ if createDirectedDependencyProjection "${MODULE_LANGUAGE}" "${MODULE_PROJECTION}
     runPathFindingAlgorithms "${MODULE_PROJECTION}" "${MODULE_NODE}" "${MODULE_WEIGHT}"
 fi
 
+# -- NPM Package Path Finding -------------------------------
+
+NPM_LANGUAGE="dependencies_projection_language=NPM"
+NPM_PROJECTION="dependencies_projection=npm-package-path-finding"
+NPM_NODE="dependencies_projection_node=Package"
+NPM_WEIGHT="dependencies_projection_weight_property=weightByDependencyType"
+
+if createDirectedDependencyProjection "${NPM_LANGUAGE}" "${NPM_PROJECTION}" "${NPM_NODE}" "${NPM_WEIGHT}"; then
+    runPathFindingAlgorithms "${NPM_PROJECTION}" "${NPM_NODE}" "${NPM_WEIGHT}"
+fi
 # ---------------------------------------------------------------
 
 # Clean-up after report generation. Empty reports will be deleted.