/
Alert.tsx
208 lines (178 loc) Β· 5.62 KB
/
Alert.tsx
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"use client";
import React, {
memo,
forwardRef,
useState,
useEffect,
useRef,
type ReactNode,
type CSSProperties
} from "react";
import type { FrClassName } from "./fr/generatedFromCss/classNames";
import { symToStr } from "tsafe/symToStr";
import { fr } from "./fr";
import { cx } from "./tools/cx";
import { assert } from "tsafe/assert";
import type { Equals } from "tsafe";
import { useConstCallback } from "./tools/powerhooks/useConstCallback";
import { createComponentI18nApi } from "./i18n";
export type AlertProps = {
className?: string;
severity: AlertProps.Severity;
/** Default h3 */
as?: `h${2 | 3 | 4 | 5 | 6}`;
classes?: Partial<Record<"root" | "title" | "description" | "close", string>>;
style?: CSSProperties;
} & (AlertProps.DefaultSize | AlertProps.Small) &
(AlertProps.NonClosable | AlertProps.Closable);
export namespace AlertProps {
export type DefaultSize = {
/** Default false */
small?: false;
title: NonNullable<ReactNode>;
description?: NonNullable<ReactNode>;
};
export type Small = {
/** Default false */
small: true;
title?: NonNullable<ReactNode>;
description: NonNullable<ReactNode>;
};
export type NonClosable = {
/** Default false */
closable?: false;
isClosed?: never;
onClose?: never;
};
export type Closable = {
/** Default false */
closable: true;
} & (Closable.Controlled | Closable.Uncontrolled);
export namespace Closable {
export type Controlled = {
isClosed: boolean;
onClose: () => void;
};
export type Uncontrolled = {
isClosed?: never;
onClose?: () => void;
};
}
type ExtractSeverity<FrClassName> = FrClassName extends `fr-alert--${infer Severity}`
? Exclude<Severity, "sm">
: never;
export type Severity = ExtractSeverity<FrClassName>;
}
/** @see <https://react-dsfr-components.etalab.studio/?path=/docs/components-alert> */
export const Alert = memo(
forwardRef<HTMLDivElement, AlertProps>((props, ref) => {
const {
className,
severity,
as: HtmlTitleTag = "h3",
classes = {},
style,
small: isSmall,
title,
description,
closable: isClosable = false,
isClosed: props_isClosed,
onClose,
...rest
} = props;
assert<Equals<keyof typeof rest, never>>();
const [isClosed, setIsClosed] = useState(props_isClosed ?? false);
const [buttonElement, setButtonElement] = useState<HTMLButtonElement | null>(null);
const refShouldButtonGetFocus = useRef(false);
const refShouldSetRole = useRef(false);
useEffect(() => {
if (props_isClosed === undefined) {
return;
}
setIsClosed(isClosed => {
if (isClosed && !props_isClosed) {
refShouldButtonGetFocus.current = true;
refShouldSetRole.current = true;
}
return props_isClosed;
});
}, [props_isClosed]);
useEffect(() => {
if (!refShouldButtonGetFocus.current) {
return;
}
if (buttonElement === null) {
//NOTE: This should not be reachable
return;
}
refShouldButtonGetFocus.current = false;
buttonElement.focus();
}, [buttonElement]);
const onCloseButtonClick = useConstCallback(() => {
if (props_isClosed === undefined) {
//Uncontrolled
setIsClosed(true);
onClose?.();
} else {
//Controlled
onClose();
}
});
const { t } = useTranslation();
if (isClosed) {
return null;
}
return (
<div
className={cx(
fr.cx("fr-alert", `fr-alert--${severity}`, { "fr-alert--sm": isSmall }),
classes.root,
className
)}
style={style}
{...(refShouldSetRole.current && { "role": "alert" })}
ref={ref}
{...rest}
>
<HtmlTitleTag className={cx(fr.cx("fr-alert__title"), classes.title)}>
{title}
</HtmlTitleTag>
<p className={classes.description}>{description}</p>
{isClosable && (
<button
ref={setButtonElement}
className={cx(fr.cx("fr-link--close", "fr-link"), classes.close)}
onClick={onCloseButtonClick}
>
{t("hide message")}
</button>
)}
</div>
);
})
);
Alert.displayName = symToStr({ Alert });
export default Alert;
const { useTranslation, addAlertTranslations } = createComponentI18nApi({
"componentName": symToStr({ Alert }),
"frMessages": {
/* spell-checker: disable */
"hide message": "Masquer le message"
/* spell-checker: enable */
}
});
addAlertTranslations({
"lang": "en",
"messages": {
"hide message": "Hide the message"
}
});
addAlertTranslations({
"lang": "es",
"messages": {
/* spell-checker: disable */
"hide message": "Occultar el mesage"
/* spell-checker: enable */
}
});
export { addAlertTranslations };