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import type { ReactNode } from 'react';
import { useEffect } from 'react';
import { Box, Checkbox, Field, Flex, Typography } from '@strapi/design-system';
import { useIntl } from 'react-intl';
type CheckboxListInputProps = {
name: string;
value?: unknown;
onChange: (
eventOrPath: { target: { name: string; value: string[] | null } },
value?: unknown
) => void;
attribute?: {
enum?: string[];
options?: {
enum?: string[];
};
} | null;
label?: ReactNode;
hint?: ReactNode;
required?: boolean;
disabled?: boolean;
error?: string;
labelAction?: ReactNode;
};
const getEnumValues = (attribute: CheckboxListInputProps['attribute']): string[] => {
if (!attribute) {
return [];
}
if (Array.isArray(attribute.options?.enum)) {
return attribute.options.enum;
}
if (Array.isArray(attribute.enum)) {
return attribute.enum;
}
return [];
};
const normalizeValue = (value: unknown): string[] => {
if (Array.isArray(value)) {
return value.filter((item): item is string => typeof item === 'string');
}
if (typeof value === 'string' && value.length > 0) {
return [value];
}
return [];
};
const CheckboxListInput = ({
name,
value,
onChange,
attribute,
label,
hint,
required = false,
disabled = false,
error,
labelAction,
}: CheckboxListInputProps) => {
const { formatMessage } = useIntl();
const enumValues = getEnumValues(attribute);
const selectedValues = normalizeValue(value);
useEffect(() => {
if (!required) {
return;
}
if (Array.isArray(value) && value.length === 0) {
onChange({
target: {
name,
value: null,
},
});
}
}, [name, onChange, required, value]);
const handleToggle = (option: string, isChecked: boolean) => {
const nextValues = isChecked
? Array.from(new Set([...selectedValues, option]))
: selectedValues.filter((item) => item !== option);
onChange({
target: {
name,
value: required && nextValues.length === 0 ? null : nextValues,
},
});
};
return (
<Field.Root name={name} hint={hint} error={error} required={required}>
<Field.Label action={labelAction}>{label ?? name}</Field.Label>
{enumValues.length > 0 ? (
<Flex direction="column" gap={2} paddingTop={1} alignItems="flex-start">
{enumValues.map((option) => (
<Checkbox
key={option}
checked={selectedValues.includes(option)}
disabled={disabled}
onCheckedChange={(checked: boolean | 'indeterminate') =>
handleToggle(option, Boolean(checked))
}
>
{option}
</Checkbox>
))}
</Flex>
) : (
<Box paddingTop={1}>
<Typography variant="pi" textColor="neutral500">
{formatMessage({
id: 'checkbox-list.field.empty',
defaultMessage: 'No values configured yet.',
})}
</Typography>
</Box>
)}
<Field.Error />
<Field.Hint />
</Field.Root>
);
};
export default CheckboxListInput;
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