fix: markdown renderers

Signed-off-by: Innei <tukon479@gmail.com>

Author: Innei

packages/kami-design/components/CodeBlock/index.tsx

@@ -0,0 +1,97 @@
+.placeholder-image {
+  @apply h-full w-full absolute max-w-full bg-current;
+
+  z-index: 1;
+  border-radius: 0.5rem;
+  transition: opacity 0.5s, height 0.2s, width 0.2s;
+  top: 0;
+  left: 0;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  flex-direction: column;
+
+  :global(html.dark) & {
+    color: #333;
+  }
+}
+
+.placeholder-image.hide {
+  opacity: 0;
+}
+
+.image-hide {
+  display: none;
+}
+
+.lazyload-image {
+  animation: blur 0.8s forwards ease-in-out;
+
+  &[data-status='loaded'] + .placeholder-image {
+    @apply invisible;
+
+    opacity: 0;
+  }
+}
+
+:global(html.dark) .lazyload-image {
+  animation: blur-dark 0.8s forwards ease-in-out;
+}
+
+.img-alt {
+  text-align: center;
+  font-size: 14px;
+  color: var(--gary);
+  user-select: none;
+  position: relative;
+  margin: 12px 0;
+
+  &::before {
+    content: '⇡ ';
+  }
+
+  &::after {
+    content: '';
+    bottom: -6px;
+    position: absolute;
+    width: 3rem;
+    left: 50%;
+    transform: translateX(-50%);
+    background: var(--gray);
+    height: 1px;
+  }
+}
+
+@keyframes blur {
+   {
+    0% {
+      opacity: 0;
+      filter: brightness(1) blur(20px);
+    }
+    10% {
+      opacity: 1;
+      filter: brightness(2) blur(10px);
+    }
+    100% {
+      opacity: 1;
+      filter: brightness(1) blur(0);
+    }
+  }
+}
+
+@keyframes blur-dark {
+   {
+    0% {
+      opacity: 0;
+      filter: brightness(1) blur(20px);
+    }
+    10% {
+      opacity: 1;
+      filter: brightness(0.5) blur(10px);
+    }
+    100% {
+      opacity: 1;
+      filter: brightness(1) blur(0);
+    }
+  }
+}

packages/kami-design/components/Image/index.module.css

@@ -0,0 +1,253 @@
+import { clsx } from 'clsx'
+import mediumZoom from 'medium-zoom'
+import type {
+  CSSProperties,
+  DetailedHTMLProps,
+  FC,
+  ImgHTMLAttributes,
+} from 'react'
+import {
+  forwardRef,
+  memo,
+  useCallback,
+  useEffect,
+  useImperativeHandle,
+  useMemo,
+  useRef,
+  useState,
+} from 'react'
+
+import { isDarkColorHex } from '~/utils/color'
+import { escapeHTMLTag } from '~/utils/utils'
+
+import { LazyLoad } from '../Lazyload'
+import styles from './index.module.css'
+import { useCalculateSize } from './use-calculate-size'
+
+interface ImageProps {
+  defaultImage?: string
+  src: string
+  alt?: string
+  height?: number | string
+  width?: number | string
+  backgroundColor?: string
+  popup?: boolean
+  overflowHidden?: boolean
+  getParentElWidth?: ((parentElementWidth: number) => number) | number
+}
+
+const Image: FC<
+  {
+    popup?: boolean
+
+    loaderFn: () => void
+    loaded: boolean
+  } & Pick<
+    DetailedHTMLProps<ImgHTMLAttributes<HTMLImageElement>, HTMLImageElement>,
+    'src' | 'alt'
+  >
+> = memo(({ src, alt, popup = false, loaded, loaderFn }) => {
+  const imageRef = useRef<HTMLImageElement>(null)
+
+  useEffect(() => {
+    if (!popup) {
+      return
+    }
+    const $image = imageRef.current
+    if ($image) {
+      const zoom = mediumZoom($image, {
+        background: 'var(--light-bg)',
+      })
+
+      return () => {
+        zoom.detach(zoom.getImages())
+      }
+    }
+  }, [popup])
+
+  useEffect(() => {
+    loaderFn()
+  }, [loaderFn])
+
+  return (
+    <>
+      <div
+        className={clsx(
+          styles['lazyload-image'],
+          !loaded && styles['image-hide'],
+        )}
+        data-status={loaded ? 'loaded' : 'loading'}
+      >
+        <img src={src} alt={alt} ref={imageRef} loading="lazy" />
+      </div>
+    </>
+  )
+})
+
+export type ImageLazyRef = { status: 'loading' | 'loaded' }
+
+export const ImageLazy = memo(
+  forwardRef<
+    ImageLazyRef,
+    ImageProps &
+      DetailedHTMLProps<ImgHTMLAttributes<HTMLImageElement>, HTMLImageElement>
+  >((props, ref) => {
+    const {
+      defaultImage,
+      src,
+      alt,
+      height,
+      width,
+      backgroundColor = 'rgb(111,111,111)',
+      popup = false,
+      style,
+      overflowHidden = false,
+      getParentElWidth = (w) => w,
+      ...rest
+    } = props
+    useImperativeHandle(ref, () => {
+      return {
+        status: loaded ? 'loaded' : ('loading' as any),
+      }
+    })
+    const realImageRef = useRef<HTMLImageElement>(null)
+    const placeholderRef = useRef<HTMLDivElement>(null)
+
+    const wrapRef = useRef<HTMLDivElement>(null)
+    const [calculatedSize, calculateDimensions] = useCalculateSize()
+
+    const [loaded, setLoad] = useState(false)
+    const loaderFn = useCallback(() => {
+      if (!src || loaded) {
+        return
+      }
+
+      const image = new window.Image()
+      image.src = src as string
+      // FIXME
+      const parentElement = wrapRef.current?.parentElement?.parentElement
+
+      if (!height && !width) {
+        calculateDimensions(
+          image,
+          typeof getParentElWidth == 'function'
+            ? getParentElWidth(
+                parentElement
+                  ? parseFloat(getComputedStyle(parentElement).width)
+                  : 0,
+              )
+            : getParentElWidth,
+        )
+      }
+
+      image.onload = () => {
+        setLoad(true)
+        try {
+          if (placeholderRef && placeholderRef.current) {
+            placeholderRef.current.classList.add('hide')
+          }
+
+          // eslint-disable-next-line no-empty
+        } catch {}
+      }
+      image.onerror = () => {
+        try {
+          if (placeholderRef && placeholderRef.current) {
+            placeholderRef.current.innerHTML = `<p style="color:${
+              isDarkColorHex(backgroundColor) ? '#eee' : '#333'
+            };z-index:2"><span>图片加载失败!</span><br/>
+          <a style="margin: 0 12px;word-break:break-all;white-space:pre-wrap;display:inline-block;" href="${escapeHTMLTag(
+            image.src,
+          )}" target="_blank">${escapeHTMLTag(image.src)}</a></p>`
+          }
+          // eslint-disable-next-line no-empty
+        } catch {}
+      }
+    }, [
+      src,
+      loaded,
+      height,
+      width,
+      calculateDimensions,
+      getParentElWidth,
+      backgroundColor,
+    ])
+    const memoPlaceholderImage = useMemo(
+      () => (
+        <PlaceholderImage
+          height={height}
+          width={width}
+          backgroundColor={backgroundColor}
+          ref={placeholderRef}
+        />
+      ),
+      [backgroundColor, height, width],
+    )
+
+    const imageWrapperStyle = useMemo<CSSProperties>(
+      () => ({
+        height: loaded ? undefined : height || calculatedSize.height,
+        width: loaded ? undefined : width || calculatedSize.width,
+
+        ...(overflowHidden ? { overflow: 'hidden', borderRadius: '3px' } : {}),
+      }),
+      [
+        calculatedSize.height,
+        calculatedSize.width,
+        height,
+        loaded,
+        overflowHidden,
+        width,
+      ],
+    )
+    return (
+      <figure style={style} className="inline-block">
+        {defaultImage ? (
+          <img src={defaultImage} alt={alt} {...rest} ref={realImageRef} />
+        ) : (
+          <div
+            className={clsx(
+              'transition-none relative max-w-full m-auto inline-block min-h-[1px]',
+              rest.className,
+            )}
+            style={imageWrapperStyle}
+            ref={wrapRef}
+            data-info={JSON.stringify({ height, width, calculatedSize })}
+          >
+            <LazyLoad offset={100} placeholder={memoPlaceholderImage}>
+              <Image
+                src={src}
+                alt={alt}
+                popup={popup}
+                loaded={loaded}
+                loaderFn={loaderFn}
+              />
+              {!loaded && memoPlaceholderImage}
+            </LazyLoad>
+          </div>
+        )}
+        {alt && <figcaption className={styles['img-alt']}>{alt}</figcaption>}
+      </figure>
+    )
+  }),
+)
+
+const PlaceholderImage = memo(
+  forwardRef<
+    HTMLDivElement,
+    { ref: any; className?: string } & Partial<ImageProps>
+  >((props, ref) => {
+    const { backgroundColor, height, width } = props
+    return (
+      <div
+        className={clsx(styles['placeholder-image'], props.className)}
+        ref={ref}
+        style={{
+          height,
+          width,
+          color: backgroundColor,
+        }}
+      />
+    )
+  }),
+)