http2: rename function for clarity

The function does not only validate the input but it causes side
effects by adding default options to the input object in case the
option is not set.

PR-URL: #26809
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

lib/internal/http2/core.js

@@ -607,7 +607,7 @@ function requestOnConnect(headers, options) {
 // 4. if specified, options.silent must be a boolean
 //
 // Also sets the default priority options if they are not set.
-const validatePriorityOptions = hideStackFrames((options) => {
+const setAndValidatePriorityOptions = hideStackFrames((options) => {
   if (options.weight === undefined) {
     options.weight = NGHTTP2_DEFAULT_WEIGHT;
   } else if (typeof options.weight !== 'number') {
@@ -1451,7 +1451,7 @@ class ClientHttp2Session extends Http2Session {
         throw new ERR_HTTP2_CONNECT_PATH();
     }
 
-    validatePriorityOptions(options);
+    setAndValidatePriorityOptions(options);
 
     if (options.endStream === undefined) {
       // For some methods, we know that a payload is meaningless, so end the
@@ -1839,7 +1839,7 @@ class Http2Stream extends Duplex {
 
     assertIsObject(options, 'options');
     options = { ...options };
-    validatePriorityOptions(options);
+    setAndValidatePriorityOptions(options);
 
     const priorityFn = submitPriority.bind(this, options);