refactor: recompose and memoise (#522)

apps/client/src/features/cuesheet/cuesheet-table-elements/EditableCell.tsx

@@ -0,0 +1,40 @@
+import { ChangeEvent, memo, useCallback, useEffect, useState } from 'react';
+
+import { AutoTextArea } from '../../../common/components/input/auto-text-area/AutoTextArea';
+
+interface EditableCellProps {
+  value: string;
+  handleUpdate: (newValue: string) => void;
+}
+
+const EditableCell = (props: EditableCellProps) => {
+  const { value: initialValue, handleUpdate } = props;
+
+  // We need to keep and update the state of the cell normally
+  const [value, setValue] = useState(initialValue);
+
+  const onChange = useCallback((event: ChangeEvent<HTMLTextAreaElement>) => setValue(event.target.value), []);
+
+  // We'll only update the external data when the input is blurred
+  const onBlur = useCallback(() => handleUpdate(value), [handleUpdate, value]);
+
+  // If the initialValue is changed external, sync it up with our state
+  useEffect(() => {
+    setValue(initialValue);
+  }, [initialValue]);
+
+  return (
+    <AutoTextArea
+      size='sm'
+      value={value}
+      onChange={onChange}
+      onBlur={onBlur}
+      rows={1}
+      transition='none'
+      spellCheck={false}
+      style={{ padding: 0 }}
+    />
+  );
+};
+
+export default memo(EditableCell);