github · asgerf · Oct 10, 2025 · Oct 9, 2025 · Oct 9, 2025 · Oct 9, 2025
@@ -192,6 +192,7 @@ module DOM {
    * A data flow node or other program element that may refer to
    * a DOM element.
    */
+  overlay[global]
   abstract class Element extends Locatable {
     ElementDefinition defn;
 

@@ -29,6 +29,7 @@ class ES2015Module extends Module {
   override string getName() { result = this.getFile().getStem() }
 
   /** Gets an export declaration in this module. */
+  pragma[nomagic]
   ExportDeclaration getAnExport() { result.getTopLevel() = this }
 
   overlay[global]
@@ -38,6 +39,7 @@ class ES2015Module extends Module {
 
   /** Holds if this module exports variable `v` under the name `name`. */
   overlay[global]
+  pragma[nomagic]
   predicate exportsAs(LexicalName v, string name) { this.getAnExport().exportsAs(v, name) }
 
   override predicate isStrict() {
@@ -345,6 +347,7 @@ abstract class ExportDeclaration extends Stmt, @export_declaration {
 
   /** Holds if this export declaration exports variable `v` under the name `name`. */
   overlay[global]
+  pragma[nomagic]
   final predicate exportsAs(LexicalName v, string name) {
     this.exportsDirectlyAs(v, name)
     or
@@ -821,18 +824,31 @@ class SelectiveReExportDeclaration extends ReExportDeclaration, ExportNamedDecla
     result = ExportNamedDeclaration.super.getImportedPath()
   }
 
+  overlay[global]
+  pragma[nomagic]
+  private predicate reExportsFrom(ES2015Module mod, string originalName, string reExportedName) {
+    exists(ExportSpecifier spec |
+      spec = this.getASpecifier() and
+      reExportedName = spec.getExportedName() and
+      originalName = spec.getLocalName() and
+      mod = this.getReExportedES2015Module()
+    )
+  }
+
   overlay[global]
   override predicate reExportsAs(LexicalName v, string name) {
-    exists(ExportSpecifier spec | spec = this.getASpecifier() and name = spec.getExportedName() |
-      this.getReExportedES2015Module().exportsAs(v, spec.getLocalName())
+    exists(ES2015Module mod, string originalName |
+      this.reExportsFrom(mod, originalName, name) and
+      mod.exportsAs(v, originalName)
     ) and
     not (this.isTypeOnly() and v instanceof Variable)
   }
 
   overlay[global]
   override DataFlow::Node getReExportedSourceNode(string name) {
-    exists(ExportSpecifier spec | spec = this.getASpecifier() and name = spec.getExportedName() |
-      result = this.getReExportedES2015Module().getAnExport().getSourceNode(spec.getLocalName())
+    exists(ES2015Module mod, string originalName |
+      this.reExportsFrom(mod, originalName, name) and
+      result = mod.getAnExport().getSourceNode(originalName)
     )
   }
 }

@@ -198,6 +198,7 @@ module ClientRequest {
   private string urlPropertyName() { result = "url" or result = "uri" }
 
   /** An API entry-point for the global variable `axios`. */
+  overlay[local?]
   private class AxiosGlobalEntryPoint extends API::EntryPoint {
     AxiosGlobalEntryPoint() { this = "axiosGlobal" }
 

@@ -6,6 +6,7 @@ private import semmle.javascript.security.dataflow.DomBasedXssCustomizations
 /** Provides classes and predicates modeling aspects of the `d3` library. */
 module D3 {
   /** The global variable `d3` as an entry point for API graphs. */
+  overlay[local?]
   private class D3GlobalEntry extends API::EntryPoint {
     D3GlobalEntry() { this = "D3GlobalEntry" }
 

@@ -41,6 +41,7 @@ module Electron {
     BrowserView() { this = DataFlow::moduleMember("electron", "BrowserView").getAnInstantiation() }
   }
 
+  overlay[local?]
   private class ElectronEntryPoint extends API::EntryPoint {
     ElectronEntryPoint() { this = "Electron.Browser" }
 

@@ -94,6 +94,7 @@ module EventRegistration {
   /**
    * A registration of an event handler on an EventEmitter.
    */
+  overlay[global]
   abstract class Range extends DataFlow::Node {
     EventEmitter::Range emitter;
 
@@ -148,6 +149,7 @@ module EventDispatch {
   /**
    * A dispatch of an event on an EventEmitter.
    */
+  overlay[global]
   abstract class Range extends DataFlow::Node {
     EventEmitter::Range emitter;
 

@@ -5,6 +5,7 @@ import javascript
 /** Provides classes modeling the [`history`](https://npmjs.org/package/history) library. */
 module History {
   /** The global variable `HistoryLibrary` as an entry point for API graphs. */
+  overlay[local?]
   private class HistoryGlobalEntry extends API::EntryPoint {
     HistoryGlobalEntry() { this = "HistoryLibrary" }
 

@@ -13,6 +13,7 @@ private module Immutable {
   /**
    * An API entrypoint for the global `Immutable` variable.
    */
+  overlay[local?]
   private class ImmutableGlobalEntry extends API::EntryPoint {
     ImmutableGlobalEntry() { this = "ImmutableGlobalEntry" }
 

@@ -32,6 +32,7 @@ private module Console {
   /**
    * An API entrypoint for the global `console` variable.
    */
+  overlay[local?]
   private class ConsoleGlobalEntry extends API::EntryPoint {
     ConsoleGlobalEntry() { this = "ConsoleGlobalEntry" }
 

@@ -140,6 +140,7 @@ module NestJS {
   }
 
   /** API node entry point for custom implementations of `ValidationPipe` (a common pattern). */
+  overlay[local?]
   private class ValidationNodeEntry extends API::EntryPoint {
     ValidationNodeEntry() { this = "ValidationNodeEntry" }
 

@@ -260,6 +260,7 @@ module NodeJSLib {
     DataFlow::Node getRouteHandlerNode() { result = handler }
   }
 
+  overlay[global]
   abstract private class HeaderDefinition extends Http::Servers::StandardHeaderDefinition {
     ResponseNode r;
 

@@ -1099,6 +1099,7 @@ module Redux {
      * Used to catch cases where the `connect` function was not recognized by API graphs (usually because of it being
      * wrapped in another function, which API graphs won't look through).
      */
+    overlay[local?]
     private class HeuristicConnectEntryPoint extends API::EntryPoint {
       HeuristicConnectEntryPoint() { this = "react-redux-connect" }
 

@@ -16,6 +16,7 @@ module SQL {
    * An dataflow node that sanitizes a string to make it safe to embed into
    * a SQL command.
    */
+  overlay[global]
   abstract class SqlSanitizer extends DataFlow::Node {
     DataFlow::Node input;
     DataFlow::Node output;

@@ -33,7 +33,7 @@ module Templating {
    */
   bindingset[prefix]
   string getDelimiterMatchingRegexpWithPrefix(string prefix) {
-    result = "(?s)" + prefix + "(" + concat("\\Q" + getADelimiter() + "\\E", "|") + ").*"
+    result = "(?s)" + prefix + "(" + strictconcat("\\Q" + getADelimiter() + "\\E", "|") + ").*"
   }
 
   /** A placeholder tag for a templating engine. */
@@ -703,7 +703,7 @@ module Templating {
    *
    * These API nodes are used in the `getTemplateInput` predicate.
    */
-  overlay[global]
+  overlay[local?]
   private class IncludeFunctionAsEntryPoint extends API::EntryPoint {
     IncludeFunctionAsEntryPoint() { this = "IncludeFunctionAsEntryPoint" }
 

@@ -11,6 +11,7 @@ private import semmle.javascript.security.dataflow.CodeInjectionCustomizations
  * Module for working with uses of the [Trusted Types API](https://developer.mozilla.org/en-US/docs/Web/API/Trusted_Types_API).
  */
 module TrustedTypes {
+  overlay[local?]
   private class TrustedTypesEntry extends API::EntryPoint {
     TrustedTypesEntry() { this = "TrustedTypesEntry" }
 

@@ -7,6 +7,7 @@ import semmle.javascript.ViewComponentInput
 
 module Vue {
   /** The global variable `Vue`, as an API graph entry point. */
+  overlay[local?]
   private class GlobalVueEntryPoint extends API::EntryPoint {
     GlobalVueEntryPoint() { this = "VueEntryPoint" }
 
@@ -18,6 +19,7 @@ module Vue {
    *
    * This `EntryPoint` is used by `SingleFileComponent::getOwnOptions()`.
    */
+  overlay[local?]
   private class VueExportEntryPoint extends API::EntryPoint {
     VueExportEntryPoint() { this = "VueExportEntryPoint" }
 
@@ -437,6 +439,7 @@ module Vue {
    *
    * This entry point is used in `SingleFileComponent::getComponentRef()`.
    */
+  overlay[local?]
   private class VueFileImportEntryPoint extends API::EntryPoint {
     VueFileImportEntryPoint() { this = "VueFileImportEntryPoint" }
 

@@ -5,13 +5,15 @@
 private import javascript
 
 /** Treats `Response` as an entry point for API graphs. */
+overlay[local?]
 private class ResponseEntryPoint extends API::EntryPoint {
   ResponseEntryPoint() { this = "global.Response" }
 
   override DataFlow::SourceNode getASource() { result = DataFlow::globalVarRef("Response") }
 }
 
 /** Treats `Headers` as an entry point for API graphs. */
+overlay[local?]
 private class HeadersEntryPoint extends API::EntryPoint {
   HeadersEntryPoint() { this = "global.Headers" }
 

@@ -48,13 +48,15 @@ private predicate areLibrariesCompatible(
 }
 
 /** Treats `WebSocket` as an entry point for API graphs. */
+overlay[local?]
 private class WebSocketEntryPoint extends API::EntryPoint {
   WebSocketEntryPoint() { this = "global.WebSocket" }
 
   override DataFlow::SourceNode getASource() { result = DataFlow::globalVarRef("WebSocket") }
 }
 
 /** Treats `SockJS` as an entry point for API graphs. */
+overlay[local?]
 private class SockJSEntryPoint extends API::EntryPoint {
   SockJSEntryPoint() { this = "global.SockJS" }
 

@@ -9,6 +9,7 @@ private import javascript
  */
 module Webix {
   /** The global variable `webix` as an entry point for API graphs. */
+  overlay[local?]
   private class WebixGlobalEntry extends API::EntryPoint {
     WebixGlobalEntry() { this = "WebixGlobalEntry" }
 

@@ -492,6 +492,7 @@ private predicate invocationMatchesCallSiteFilter(
   Specific::invocationMatchesExtraCallSiteFilter(invoke, token)
 }
 
+overlay[local?]
 private class TypeModelUseEntry extends API::EntryPoint {
   private string type;
 
@@ -505,6 +506,7 @@ private class TypeModelUseEntry extends API::EntryPoint {
   API::Node getNodeForType(string type_) { type = type_ and result = this.getANode() }
 }
 
+overlay[local?]
 private class TypeModelDefEntry extends API::EntryPoint {
   private string type;
 

@@ -93,6 +93,7 @@ private predicate parseRelevantTypeString(string rawType, string package, string
 }
 
 /** Holds if `global` is a global variable referenced via a the `global` package in a CSV row. */
+overlay[local]
 private predicate isRelevantGlobal(string global) {
   exists(AccessPath path, AccessPathToken token |
     isRelevantFullPath("global", path) and
@@ -103,6 +104,7 @@ private predicate isRelevantGlobal(string global) {
 }
 
 /** An API graph entry point for global variables mentioned in a model. */
+overlay[local?]
 private class GlobalApiEntryPoint extends API::EntryPoint {
   string global;
 

@@ -114,6 +114,7 @@ class ClientSideRemoteFlowKind extends string {
  * `name` and `address` of global variable `user` should be considered as remote flow sources with
  * source type "user input".
  */
+overlay[local?]
 private class RemoteFlowSourceAccessPath extends JsonString {
   string sourceType;
 
@@ -167,6 +168,7 @@ private class RemoteFlowSourceAccessPath extends JsonString {
  * The global variable referenced by a `RemoteFlowSourceAccessPath`, declared as an API
  * entry point.
  */
+overlay[local?]
 private class ExternalRemoteFlowSourceSpecEntryPoint extends API::EntryPoint {
   string name;
 

@@ -129,6 +129,7 @@ module SecondOrderCommandInjection {
   /**
    * A sink that invokes a command described by the `VulnerableCommand` class.
    */
+  overlay[global]
   abstract class VulnerableCommandSink extends Sink {
     VulnerableCommand cmd;
 

@@ -194,6 +194,7 @@ module TaintedPath {
      * There are currently four flow labels, representing the different combinations of
      * normalization and absoluteness.
      */
+    overlay[global]
     abstract class PosixPath extends DataFlow::FlowLabel {
       Normalization normalization;
       Relativeness relativeness;

@@ -101,6 +101,7 @@ module UnsafeHtmlConstruction {
    * A sink for `js/html-constructed-from-input` that constructs some HTML where
    * that HTML is later used in `xssSink`.
    */
+  overlay[global]
   abstract class XssSink extends Sink {
     DomBasedXss::Sink xssSink;
 

@@ -1,3 +1,4 @@
+overlay[local?]
 class CustomEntryPoint extends API::EntryPoint {
   CustomEntryPoint() { this = "CustomEntryPoint" }
 

@@ -1,7 +1,7 @@
 testFailures
 ambiguousPreferredPredecessor
-| pack2/lib.js:1:1:3:1 | def moduleImport("pack2").getMember("exports").getMember("lib").getMember("LibClass").getInstance() |
-| pack2/lib.js:8:22:8:34 | def moduleImport("pack2").getMember("exports").getMember("lib").getMember("LibClass").getMember("foo") |
-| pack2/main.js:1:1:3:1 | def moduleImport("pack2").getMember("exports").getMember("MainClass").getInstance() |
+| pack2/lib.js:1:1:3:1 | instance of class A ... ethod\\n} |
+| pack2/lib.js:8:22:8:34 | def function() {} |
+| pack2/main.js:1:1:3:1 | instance of class A ... ethod\\n} |
 ambiguousSinkName
 ambiguousFunctionName