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CallGraphFrom for JavaScript

Displays calls made from a specified function, showing the call graph outbound from the source function.

Overview

This query identifies all function calls made within the body of a named function, producing an outbound call graph. Given a source function name, it reports each call site and the callee, which is useful for understanding function dependencies and call chains.

The query accepts function names via an external predicate (sourceFunction).

Use Cases

This query is primarily used for:

  • Mapping outbound dependencies of a specific function
  • Understanding what a function calls and in what order
  • Analyzing call chains for refactoring or security review

Example

The following JavaScript code demonstrates outbound calls from sourceFunc:

function helper1() {}
function helper2() {
  helper1();
}

function sourceFunc() {
  // Source function for analysis
  helper1();
  helper2();
}

Running with sourceFunction = "sourceFunc" produces results showing each call site with the message pattern Call from `sourceFunc` to `helper1.

Output Format

The query is a @kind problem query producing rows of:

  • select call, "Call from `source` to `callee`"

References