fbf5a288c1
Convert all image files to JPEG on the client before uploading, allowing iPhone HEIF/HEIC photos to work without server-side libheif dependency.
18 lines
667 B
JavaScript
18 lines
667 B
JavaScript
/** Convert any image file (HEIC, AVIF, WebP, PNG, etc.) to a JPEG data URL via Canvas. */
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const imageToJpegDataUrl = (file) =>
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new Promise((resolve, reject) => {
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const img = new Image();
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img.onload = () => {
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const canvas = document.createElement("canvas");
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canvas.width = img.naturalWidth;
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canvas.height = img.naturalHeight;
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canvas.getContext("2d").drawImage(img, 0, 0);
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URL.revokeObjectURL(img.src);
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resolve(canvas.toDataURL("image/jpeg", 0.92));
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};
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img.onerror = () => {
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URL.revokeObjectURL(img.src);
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reject(new Error("Failed to load image"));
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};
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img.src = URL.createObjectURL(file);
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});
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