105 lines
3.1 KiB
TypeScript

import { StrapiImage } from "graphql/operations-types";
import Image, { ImageProps } from "next/image";
export enum ImageQuality {
Small = "small",
Medium = "medium",
Large = "large",
Og = "og",
}
export function getAssetURL(url: string, quality: ImageQuality): string {
let newUrl = url;
newUrl = newUrl.replace(/^\/uploads/u, `/${quality}`);
newUrl = newUrl.replace(/.jpg$/u, ".webp");
newUrl = newUrl.replace(/.png$/u, ".webp");
if (quality === ImageQuality.Og) newUrl = newUrl.replace(/.webp$/u, ".jpg");
return process.env.NEXT_PUBLIC_URL_IMG + newUrl;
}
export function getImgSizesByMaxSize(
width: number,
height: number,
maxSize: number
): { width: number; height: number } {
if (width > height) {
if (width < maxSize) return { width: width, height: height };
return { width: maxSize, height: (height / width) * maxSize };
}
if (height < maxSize) return { width: width, height: height };
return { width: (width / height) * maxSize, height: maxSize };
}
export function getImgSizesByQuality(
width: number,
height: number,
quality: ImageQuality
): { width: number; height: number } {
switch (quality) {
case ImageQuality.Og:
return getImgSizesByMaxSize(width, height, 512);
case ImageQuality.Small:
return getImgSizesByMaxSize(width, height, 512);
case ImageQuality.Medium:
return getImgSizesByMaxSize(width, height, 1024);
case ImageQuality.Large:
return getImgSizesByMaxSize(width, height, 2048);
default:
return { width: 0, height: 0 };
}
}
type ImgProps = {
className?: string;
image?: StrapiImage;
quality?: ImageQuality;
alt?: ImageProps["alt"];
layout?: ImageProps["layout"];
objectFit?: ImageProps["objectFit"];
priority?: ImageProps["priority"];
rawImg?: boolean;
};
export default function Img(props: ImgProps): JSX.Element {
if (props.image) {
const imgSize = getImgSizesByQuality(
props.image.width,
props.image.height,
props.quality ? props.quality : ImageQuality.Small
);
if (props.rawImg) {
return (
// eslint-disable-next-line @next/next/no-img-element
<img
className={props.className}
src={getAssetURL(
props.image.url,
props.quality ? props.quality : ImageQuality.Small
)}
alt={props.alt ? props.alt : props.image.alternativeText}
width={imgSize.width}
height={imgSize.height}
/>
);
}
return (
<Image
className={props.className}
src={getAssetURL(
props.image.url,
props.quality ? props.quality : ImageQuality.Small
)}
alt={props.alt ? props.alt : props.image.alternativeText}
width={props.layout === "fill" ? undefined : imgSize.width}
height={props.layout === "fill" ? undefined : imgSize.height}
layout={props.layout}
objectFit={props.objectFit}
priority={props.priority}
unoptimized
/>
);
}
return <></>;
}