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import { CaretDown, Check } from "@phosphor-icons/react";
import { cn } from "@reactive-resume/utils";
import { forwardRef, useState } from "react";
import { Button } from "./button";
import {
Command,
CommandEmpty,
CommandGroup,
CommandInput,
CommandItem,
CommandList,
} from "./command";
import { Popover, PopoverContent, PopoverTrigger } from "./popover";
export type ComboboxOption = {
value: string;
label: React.ReactNode;
};
type ComboboxPropsSingle = {
options: ComboboxOption[];
emptyText?: string;
clearable?: boolean;
selectPlaceholder?: string;
searchPlaceholder?: string;
multiple?: false;
value?: string;
onValueChange?: (value: string) => void;
};
type ComboboxPropsMultiple = {
options: ComboboxOption[];
emptyText?: string;
clearable?: boolean;
selectPlaceholder?: string;
searchPlaceholder?: string;
multiple: true;
value?: string[];
onValueChange?: (value: string[]) => void;
};
export type ComboboxProps = ComboboxPropsSingle | ComboboxPropsMultiple;
const handleSingleSelect = (props: ComboboxPropsSingle, option: ComboboxOption) => {
if (props.clearable) {
props.onValueChange?.(option.value === props.value ? "" : option.value);
} else {
props.onValueChange?.(option.value);
}
};
const handleMultipleSelect = (props: ComboboxPropsMultiple, option: ComboboxOption) => {
if (props.value?.includes(option.value)) {
if (!props.clearable && props.value.length === 1) return false;
props.onValueChange?.(props.value.filter((value) => value !== option.value));
} else {
props.onValueChange?.([...(props.value ?? []), option.value]);
}
};
export const Combobox = forwardRef(
(props: ComboboxProps, ref: React.ForwardedRef<HTMLInputElement>) => {
const [open, setOpen] = useState(false);
return (
<Popover open={open} onOpenChange={setOpen}>
<PopoverTrigger asChild>
<Button
role="combobox"
variant="outline"
aria-expanded={open}
className="w-full justify-between hover:bg-secondary/20 active:scale-100"
>
<span className="line-clamp-1 text-left font-normal">
{props.multiple && props.value && props.value.length > 0 && (
<span className="mr-2">{props.value.join(", ")}</span>
)}
{!props.multiple &&
props.value &&
props.value !== "" &&
props.options.find((option) => option.value === props.value)?.label}
{!props.value ||
(props.value.length === 0 && (props.selectPlaceholder ?? "Select an option"))}
</span>
<CaretDown
className={cn(
"ml-2 size-4 shrink-0 rotate-0 opacity-50 transition-transform",
open && "rotate-180",
)}
/>
</Button>
</PopoverTrigger>
<PopoverContent align="start" className="p-0">
<Command>
<CommandInput
ref={ref}
placeholder={props.searchPlaceholder ?? "Search for an option"}
/>
<CommandList>
<CommandEmpty>{props.emptyText ?? "No results found"}</CommandEmpty>
<CommandGroup>
{props.options.map((option) => (
<CommandItem
key={option.value}
value={option.value.toLowerCase().trim()}
onSelect={(selectedValue) => {
const option = props.options.find(
(option) => option.value.toLowerCase().trim() === selectedValue,
);
if (!option) return null;
if (props.multiple) {
handleMultipleSelect(props, option);
} else {
handleSingleSelect(props, option);
setOpen(false);
}
}}
>
<Check
className={cn(
"mr-2 size-4 opacity-0",
!props.multiple && props.value === option.value && "opacity-100",
props.multiple && props.value?.includes(option.value) && "opacity-100",
)}
/>
{option.label}
</CommandItem>
))}
</CommandGroup>
</CommandList>
</Command>
</PopoverContent>
</Popover>
);
},
);
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