面部提升术

// Old SearchableSelect implememtation
type Props<T> = {
  selection?: string;
  setSelection?: (val: string) => void;
  
  // Escape hatches added over time
  shouldSetIsChangedFromTextRefAfterTableViewUpdate?: boolean;
  customTextSelectionLogic?: boolean;
  preloadOptions?: boolean;
  hideDropdownOnEmptyOptions?: boolean;
  renderSelectedItem?: (item: T) => ReactNode;
  hideRightIcon?: boolean;
  isClearable?: boolean;
  
  // ... more props
};

export function SearchableSingleSelect<T>(props: Props<T>) {
  const {
    customTextSelectionLogic = false,
    preloadOptions = false,
    hideDropdownOnEmptyOptions = false,
    renderSelectedItem,
    hideRightIcon = false,
    isClearable = true,
    shouldSetIsChangedFromTextRefAfterTableViewUpdate = true,
    // ... more props
  } = props;

  return (
    <FormElementWrapper
      renderInput={(props) => (
        <MenuBase
          setSelection={(value) => {
            setSelection(value);
            
            // Escape hatch for custom behavior
            if (customTextSelectionLogic) {
              return;
            }
            
            // Different logic based on renderSelectedItem prop
            if (value && !renderSelectedItem) {
              setTextInput(findLabel(value));
            } else if (value && renderSelectedItem) {
              setTextInput('');
            }
          }}
        >
          {/* Conditional rendering based on prop */}
          {renderSelectedItem && selectedItem ? (
            <CustomRenderedItem item={selectedItem} />
          ) : null}
          
          <TextInput value={textInput} onChange={...} />
        </MenuBase>
      )}
      {/* Nested ternaries based on multiple props */}
      {...(hideRightIcon ? {} : {
        rightIcon: () => {
          return !isClearable ? (
            <ChevronIcon />
          ) : textInput?.length || (renderSelectedItem && selectedItem) ? (
            <ClearButton onClick={clearSelection} />
          ) : (
            <ChevronIcon onClick={toggleDropdown} />
          );
        }
      })}
    />
  );
}

// Old SearchableSelect usage
<SearchableSingleSelect
  selection={selection}
  setSelection={setSelection}
  tableManager={tableManager}
  isClearable={true}
  customTextSelectionLogic={false}
  hideDropdownOnEmptyOptions={false}
  renderSelectedItem={(item) => <CustomView item={item} />}
  shouldSetIsChangedFromTextRefAfterTableViewUpdate={true}
  // ... more props
/>

// New SearchableSelect implementation

// Context manages shared state
const SearchableSelectContext = createContext<{
  selectState: SingleSelectState;
  tableManager: TableManagerState;
}>(null);

// Root sets up context
const Root = ({ children, tableManager, type }) => {
  const selectState = useSingleSelectState();
  
  return (
    <SearchableSelectContext.Provider value={{ selectState, tableManager }}>
      <MenuV2.Root>{children}</MenuV2.Root>
    </SearchableSelectContext.Provider>
  );
};

// EachItem exposes items with callbacks
const EachItem = ({ children }) => {
  const { selectState, tableManager } = useSearchableSelectContext();
  
  const items = tableManager.data.map((item, index) => ({
    item,
    callbacks: {
      onClick: (item) => selectState.toggleItem(item.key, index),
      getIsSelected: (item) => selectState.isItemSelected(item.key),
    },
  }));

  return <>{items.map(children)}</>;
};

// SearchBar handles its own state
const SearchBar = () => {
  const { tableManager } = useSearchableSelectContext();
  const [textInput, setTextInput] = useState('');

  useEffect(() => {
    tableManager.updateSearch(textInput);
  }, [textInput]);

  return <InputV2.Field value={textInput} onChange={e => setTextInput(e.target.value)} />;
};

// ... Other components: Content, DefaultTrigger, Item

// New SearchableSelect usage
<SearchableSelect.Root type="single" tableManager={tableManager}>
  <SearchableSelect.DefaultTrigger>
    Select an option...
  </SearchableSelect.DefaultTrigger>
  
  <SearchableSelect.Content>
    <SearchableSelect.SearchBar />
    
    <SearchableSelect.EachItem>
      {({ item, callbacks }) => (
        <MenuV2.Item onClick={() => callbacks.onClick(item)}>
          <CustomView item={item} />
        </MenuV2.Item>
      )}
    </SearchableSelect.EachItem>
  </SearchableSelect.Content>
</SearchableSelect.Root>

import { tv } from 'tailwind-variants';

const buttonVariants = tv({
  // Slots API - different parts of the button component
  slots: {
    base: [
      'inline-flex',
      'items-center',
      'justify-center',
      'gap-1',
      'group',
    ],
    hoverOverlay: [
      'opacity-0',
      'absolute',
      'inset-0',
      'group-hover:group-enabled:opacity-100',
      'pointer-events-none',
    ],
  },

  // Variants - different visual options.
  variants: {
    color: {
      cta: {
        base: [
          'border',
          'border-neutral-boldest-default',
          'bg-button-cta-default',
          'shadow-cta-neutral-default',
          
          'hover:border-neutral-bolder-hover',
          'hover:bg-button-cta-hover',
          'hover:text-neutral-bolder-hover',
        ],
      },
      ghost: {
        base: [
          'bg-transparent',
          'text-neutral-normal-default',
          
          'hover:bg-neutral-subtle-hover',
          'hover:text-neutral-normal-hover',
        ],
      },
    },
    size: {
      sm: {
        base: [
          'h-6',
          'px-1.5',
          'typography-button-small',
          'rounded-border-radius-sm',
        ],
      },
      md: {
        base: [
          'h-8',
          'px-2',
          'typography-button-medium',
          'rounded-border-radius-md',
        ],
      },
    },
  },

  // Compound Variants - styles when multiple variants are combined
  compoundVariants: [
    {
      // Ghost buttons with small size get reduced padding
      color: 'ghost',
      size: 'sm',
      class: {
        base: 'px-1',
      },
    },
    {
      // CTA buttons at large size get enhanced shadows
      color: 'cta',
      size: 'lg',
      class: {
        base: 'shadow-cta-neutral-prominent',
      },
    },
  ],

  // Default Variants - applied when no variant is specified
  defaultVariants: {
    color: 'neutral',
    size: 'md',
    disabled: false,
  },
});

// Extract variant props type from buttonVariants
type ButtonVariantProps = VariantProps<typeof buttonVariants>;

// Button component props
interface ButtonProps extends ButtonVariantProps {
  children?: React.ReactNode;
  onClick?: () => void;
  as?: ElementType;
  className?: string;
}

// Button component implementation
export const Button = forwardRef<HTMLButtonElement, ButtonProps>(
  ({ 
    children, 
    color, 
    size, 
    disabled, 
    onClick, 
    as: Component = 'button',
    className,
    ...rest 
  }, ref) => {
    // Generate slot classes based on variant props
    const slots = buttonVariants({ color, size, disabled });
    
    return (
      <Component
        ref={ref}
        className={slots.base({ className })}
        onClick={onClick}
        disabled={disabled}
        {...rest}
      >
        {/* Hover overlay slot */}
        <span className={slots.hoverOverlay()} />
        
        {/* Button content */}
        {children}
      </Component>
    );
  }
);

// End usage example
<Button color="cta" size="lg">
  Large CTA Button
</Button>

// Illustrative form component that submits an address - using Tanstack form
const AddressForm = () => {
  const form = useAppForm({
    defaultValues: defaultAddress,
    // Validate the form input on mount and on change
    validators: {
      onMount: Address,
      onChange: Address,
    },
    onSubmit: ({ value }: { value: Address }) => {
      // Submit the value
      console.log(value);
    },
  });

  return (
    <form.AppForm>
      <form.Field name="addressLine">
        {(field) => (
          <>
            <Input
              value={field.state.value}
              onChange={(e) => field.handleChange(e.target.value)}
            />
            {/* Use built in metadata like isTouched */}
            {field.state.meta.isTouched ? (
              <p>{getMessage(field.state.meta.errors)}</p>
            ) : null}
          </>
        )}
      </form.Field>

      {/* ... more inputs for each field in address */}

      {/* Subscribe for reactive form update */}
      <form.Subscribe
        selector={({ canSubmit, isSubmitting }) => ({
          canSubmit,
          isSubmitting,
        })}
      >
        {({ canSubmit, isSubmitting }) => (
          <Button loading={isSubmitting} disabled={canSubmit}>
            Create vendor
          </Button>
        )}
      </form.Subscribe>
    </form.AppForm>
  );
};

const CardsPage = () => {
  const { isFacelift } = useFaceliftToolbar();
  
	// Existing business logic
	const cards = useCards()
  
  if (isFacelift) {
	  // New, facelifted components
	  return (
		  <CardsTableV2 cards={cards} />
	  )
  }

	
	// Existing UI
	return (
		<CardsTable cards={cards} />
	)
}