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mirror of https://github.com/jakejarvis/jarv.is.git synced 2025-04-26 18:48:28 -04:00

73 lines
2.6 KiB
TypeScript

import NextImage from "next/image";
import clsx from "clsx";
import Link, { LinkProps } from "../Link";
import type { ComponentPropsWithoutRef } from "react";
import type { ImageProps as NextImageProps, StaticImageData } from "next/image";
import styles from "./Image.module.css";
const DEFAULT_QUALITY = 60;
const DEFAULT_WIDTH = 865;
export type ImageProps = ComponentPropsWithoutRef<typeof NextImage> &
Partial<Pick<LinkProps, "href">> & {
inline?: boolean; // don't wrap everything in a `<div>` block
};
const Image = ({
src,
width,
height,
quality = DEFAULT_QUALITY,
placeholder,
href,
inline,
className,
...rest
}: ImageProps) => {
const imageProps: NextImageProps = {
// strip "px" from dimensions: https://stackoverflow.com/a/4860249/1438024
width: typeof width === "string" ? Number.parseInt(width, 10) : width,
height: typeof height === "string" ? Number.parseInt(height, 10) : height,
quality,
src,
placeholder,
...rest,
};
if (typeof src === "object" && (src as StaticImageData).src !== undefined) {
const staticImg = src as StaticImageData;
// all data for statically imported images is extracted from the object itself.
imageProps.src = staticImg;
// set image width to max layout width; height is calculated automatically via aspect ratio:
// https://github.com/vercel/next.js/pull/40278
imageProps.width = staticImg.width > DEFAULT_WIDTH ? DEFAULT_WIDTH : imageProps.width;
// default to blur placeholder while loading if it's been generated for us.
imageProps.placeholder = placeholder || (staticImg.blurDataURL !== undefined ? "blur" : "empty");
} else if (typeof src === "string") {
// regular path to a file was passed in, which makes explicit width and height required.
// https://nextjs.org/docs/api-reference/next/future/image#width
if (!(width && height)) {
throw new Error("'width' and 'height' are required for non-statically imported images.");
}
// optionally prepending src with "/public" makes images resolve properly in GitHub markdown previews, etc.
imageProps.src = src.replace(/^\/public/g, "");
} else {
throw new TypeError("'src' should be a string or a valid StaticImageData object.");
}
const StyledImageWithProps = href ? (
<Link href={href} underline={false}>
<NextImage className={clsx(styles.image, className)} {...imageProps} />
</Link>
) : (
<NextImage className={clsx(styles.image, className)} {...imageProps} />
);
return inline ? StyledImageWithProps : <div className={styles.block}>{StyledImageWithProps}</div>;
};
export default Image;