Extract DirectoryInput's getValidation function

Feature #14524

Arvados-DCO-1.1-Signed-off-by: Michal Klobukowski <michal.klobukowski@contractors.roche.com>

diff --git a/src/views/run-process-panel/inputs/directory-input.tsx b/src/views/run-process-panel/inputs/directory-input.tsx
index 76863c6d1b6d01fae0eeb0050d1fbf01c644fe87..38339925646cf01c0c057f49987d5afe7a00f348 100644 (file)
--- a/src/views/run-process-panel/inputs/directory-input.tsx
+++ b/src/views/run-process-panel/inputs/directory-input.tsx
@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: AGPL-3.0
 
 import * as React from 'react';
+import { memoize } from 'lodash/fp';
 import {
     isRequiredInput,
     DirectoryCommandInputParameter,
@@ -31,11 +32,7 @@ export const DirectoryInput = ({ input }: DirectoryInputProps) =>
         component={DirectoryInputComponent}
         format={format}
         parse={parse}
-        validate={[
-            isRequiredInput(input)
-                ? (directory?: Directory) => directory ? undefined : ERROR_MESSAGE
-                : () => undefined,
-        ]} />;
+        validate={getValidation(input)} />;
 
 const format = (value?: Directory) => value ? value.basename : '';
 
@@ -45,6 +42,13 @@ const parse = (directory: CollectionResource): Directory => ({
     basename: directory.name,
 });
 
+const getValidation = memoize(
+    (input: DirectoryCommandInputParameter) => ([
+        isRequiredInput(input)
+            ? (directory?: Directory) => directory ? undefined : ERROR_MESSAGE
+            : () => undefined,
+    ])
+);
 
 interface DirectoryInputComponentState {
     open: boolean;