impr(validation): don't debounce if delay is zero (@fehmer, @miodec) (#6878)

after #6866 set debounceDelay to 0 for email validation

frontend/src/ts/commandline/commandline-metadata.ts

@@ -582,6 +582,9 @@ export const commandlineConfigMetadata: CommandlineConfigMetadataObject = {
   fontSize: {
     input: {
       inputValueConvert: Number,
+      validation: {
+        isValid: async (number: number) => number < 100,
+      },
     },
   },
   fontFamily: {

frontend/src/ts/elements/input-validation.ts

@@ -36,6 +36,18 @@ export type Validation<T> = {
   /** Resets the value to the current config if empty */
   resetIfEmpty?: false;
 };
+
+// oxlint-disable-next-line no-explicit-any
+export function debounceIfNeeded<T extends (...args: any[]) => any>(
+  delay: number,
+  callback: T
+): T | debounce<T> {
+  if (delay === undefined || delay <= 0) {
+    return callback;
+  }
+  return debounce(delay, callback);
+}
+
 /**
  * Create input handler for validated input element.
  * the `callback` is called for each validation state change, including "checking".
@@ -51,7 +63,7 @@ export function createInputEventHandler<T>(
 ): (e: Event) => Promise<void> {
   let callIsValid =
     validation.isValid !== undefined
-      ? debounce(
+      ? debounceIfNeeded(
           validation.debounceDelay ?? 100,
           async (
             originalInput: HTMLInputElement,
@@ -115,7 +127,7 @@ export function createInputEventHandler<T>(
       return;
     }
 
-    callIsValid(originalInput, currentValue, checkValue as T);
+    await callIsValid(originalInput, currentValue, checkValue as T);
     //call original handler if defined
     originalInput.oninput?.(e);
   };

frontend/src/ts/modals/edit-tag.ts

@@ -21,7 +21,7 @@ const actionModals: Record<Action, SimpleModal> = {
       {
         placeholder: "tag name",
         type: "text",
-        validation: { isValid: tagNameValidation },
+        validation: { isValid: tagNameValidation, debounceDelay: 0 },
       },
     ],
     onlineOnly: true,
@@ -63,7 +63,7 @@ const actionModals: Record<Action, SimpleModal> = {
       {
         placeholder: "tag name",
         type: "text",
-        validation: { isValid: tagNameValidation },
+        validation: { isValid: tagNameValidation, debounceDelay: 0 },
       },
     ],
     onlineOnly: true,

frontend/src/ts/modals/simple-modals.ts

@@ -247,6 +247,7 @@ list.updateEmail = new SimpleModal({
         isValid: async (currentValue, thisPopup) =>
           currentValue === thisPopup.inputs?.[1]?.currentValue() ||
           "Emails don't match",
+        debounceDelay: 0,
       },
     },
   ],