seachRecursiveFunctions.groovy

def el = __context__;

if (el instanceof com.intellij.lang.javascript.psi.JSReferenceExpression) {
  while (true) {
   el = el.getParent()
   
    if (el == null) return false
   
    if (el instanceof com.intellij.lang.javascript.psi.JSFunction) {
     return __context__.getReferenceName().equals(el.getName())
   }
  }
}

return false;

<searchConfiguration name="functions" text="$name$($args$)" recursive="false" caseInsensitive="false" type="ECMAScript 6">
  <constraint name="__context__" script="&quot;def el = __context__;&#10;if (el instanceof com.intellij.lang.javascript.psi.JSReferenceExpression) {  &#10;  while (true) {&#10;    el = el.getParent()&#10;    if (el == null) return false&#10;    if (el instanceof com.intellij.lang.javascript.psi.JSFunction) {&#10;      return __context__.getReferenceName().equals(el.getName())&#10;    }&#10;  }&#10;} &#10;return false;&quot;" within="" contains="" />
  <constraint name="name" script="&quot;def el = __context__;  if (el instanceof com.intellij.lang.javascript.psi.JSReferenceExpression) {   while (true) {    el = el.getParent()         if (el == null) return false         if (el instanceof com.intellij.lang.javascript.psi.JSFunction) {      return __context__.getReferenceName().equals(el.getName())    }   } }  return false;&quot;" target="true" within="" contains="" />
  <constraint name="args" minCount="0" maxCount="2147483647" within="" contains="" />
</searchConfiguration>