Fix error with dynamic directives with named arguments (#6550)

---------

Signed-off-by: Ben Sherman <[email protected]>

Author: bentsherman

modules/nextflow/src/main/groovy/nextflow/script/dsl/ProcessBuilder.groovy

@@ -126,41 +126,43 @@ class ProcessBuilder {
 
     /// DIRECTIVES
 
-    void accelerator( Map params, value )  {
+    void accelerator( Map params, value ) {
         if( value instanceof Number ) {
             if( params.limit==null )
                 params.limit=value
             else if( params.request==null )
                 params.request=value
         }
-        else if( value != null )
+        else if( value != null ) {
             throw new IllegalArgumentException("Not a valid `accelerator` directive value: $value [${value.getClass().getName()}]")
+        }
         accelerator(params)
     }
 
     void accelerator( value ) {
         if( value instanceof Number )
             config.put('accelerator', [limit: value])
-        else if( value instanceof Map )
+        else if( value instanceof Map || value instanceof Closure )
             config.put('accelerator', value)
         else if( value != null )
             throw new IllegalArgumentException("Not a valid `accelerator` directive value: $value [${value.getClass().getName()}]")
     }
 
-    void arch( Map params, value )  {
+    void arch( Map params, value ) {
         if( value instanceof String ) {
             if( params.name==null )
                 params.name=value
         }
-        else if( value != null )
+        else if( value != null ) {
             throw new IllegalArgumentException("Not a valid `arch` directive value: $value [${value.getClass().getName()}]")
+        }
         arch(params)
     }
 
     void arch( value ) {
         if( value instanceof String )
             config.put('arch', [name: value])
-        else if( value instanceof Map )
+        else if( value instanceof Map || value instanceof Closure )
             config.put('arch', value)
         else if( value != null )
             throw new IllegalArgumentException("Not a valid `arch` directive value: $value [${value.getClass().getName()}]")
@@ -178,7 +180,7 @@ class ProcessBuilder {
      * @param opts
      * @param value
      */
-    void disk( Map opts, value )  {
+    void disk( Map opts, value ) {
         opts.request = value
         disk(opts)
     }
@@ -327,10 +329,10 @@ class ProcessBuilder {
      *
      *     publishDir '/some/dir', mode: 'copy'
      *
-     * @param params
-     * @param path
+     * @param params map of publish options
+     * @param path   String | Closure<String>
      */
-    void publishDir(Map params, CharSequence path) {
+    void publishDir(Map params, path) {
         params.put('path', path)
         publishDir( params )
     }

tests/dynamic-publishdir.nf

@@ -0,0 +1,33 @@
+#!/usr/bin/env nextflow
+/*
+ * Copyright 2013-2025, Seqera Labs
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+params.prefix = 'my'
+
+process TEST {
+    publishDir { "${prefix}/reads" }, mode: 'link'
+
+    input:
+    val(prefix)
+
+    script:
+    """
+    """
+}
+
+workflow {
+    TEST(params.prefix)
+}