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authorStarfall <us@starfall.systems>2023-04-14 19:22:47 -0500
committerStarfall <us@starfall.systems>2023-04-14 19:22:47 -0500
commit4fe1689de43f4404eb9530fcfbcbfb26d6c1c13a (patch)
tree6811b845bb7f4966b10dcefa3dea404246f161c7 /app/javascript/mastodon/components/blurhash.js
parent65c1e53a32cabcdbb7bca57002bb0f6acdebe07e (diff)
parentbed63f6dae0879ac840066b031229e0d139089cd (diff)
Merge remote-tracking branch 'glitch/main' HEAD main
Diffstat (limited to 'app/javascript/mastodon/components/blurhash.js')
-rw-r--r--app/javascript/mastodon/components/blurhash.js65
1 files changed, 0 insertions, 65 deletions
diff --git a/app/javascript/mastodon/components/blurhash.js b/app/javascript/mastodon/components/blurhash.js
deleted file mode 100644
index 2af5cfc56..000000000
--- a/app/javascript/mastodon/components/blurhash.js
+++ /dev/null
@@ -1,65 +0,0 @@
-// @ts-check
-
-import { decode } from 'blurhash';
-import React, { useRef, useEffect } from 'react';
-import PropTypes from 'prop-types';
-
-/**
- * @typedef BlurhashPropsBase
- * @property {string?} hash Hash to render
- * @property {number} width
- * Width of the blurred region in pixels. Defaults to 32
- * @property {number} [height]
- * Height of the blurred region in pixels. Defaults to width
- * @property {boolean} [dummy]
- * Whether dummy mode is enabled. If enabled, nothing is rendered
- * and canvas left untouched
- */
-
-/** @typedef {JSX.IntrinsicElements['canvas'] & BlurhashPropsBase} BlurhashProps */
-
-/**
- * Component that is used to render blurred of blurhash string
- *
- * @param {BlurhashProps} param1 Props of the component
- * @returns Canvas which will render blurred region element to embed
- */
-function Blurhash({
-  hash,
-  width = 32,
-  height = width,
-  dummy = false,
-  ...canvasProps
-}) {
-  const canvasRef = /** @type {import('react').MutableRefObject<HTMLCanvasElement>} */ (useRef());
-
-  useEffect(() => {
-    const { current: canvas } = canvasRef;
-    canvas.width = canvas.width; // resets canvas
-
-    if (dummy || !hash) return;
-
-    try {
-      const pixels = decode(hash, width, height);
-      const ctx = canvas.getContext('2d');
-      const imageData = new ImageData(pixels, width, height);
-
-      ctx.putImageData(imageData, 0, 0);
-    } catch (err) {
-      console.error('Blurhash decoding failure', { err, hash });
-    }
-  }, [dummy, hash, width, height]);
-
-  return (
-    <canvas {...canvasProps} ref={canvasRef} width={width} height={height} />
-  );
-}
-
-Blurhash.propTypes = {
-  hash: PropTypes.string.isRequired,
-  width: PropTypes.number,
-  height: PropTypes.number,
-  dummy: PropTypes.bool,
-};
-
-export default React.memo(Blurhash);