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| const response = event.Records[0].cf.response; | |
| // ... | |
| Sharp(imageBuffer, { | |
| sequentialRead: true, | |
| limitInputPixels: 2684026890, // raise default limit to 10x | |
| }) | |
| .resize({ | |
| width: width, | |
| withoutEnlargement: true, | |
| }) | |
| .toFormat("jpeg", { | |
| mozjpeg: true, | |
| progressive: true, | |
| }) | |
| .toBuffer() | |
| .then((processedBuffer) => { | |
| response.status = 200; | |
| response.body = processedBuffer.toString("base64"); | |
| response.bodyEncoding = "base64"; | |
| response.headers["content-type"] = [ | |
| { key: "Content-Type", value: "image/jpeg" }, | |
| ]; | |
| response.headers["cache-control"] = [ | |
| { key: "Cache-Control", value: "max-age=31536000" }, // 1 year | |
| ]; | |
| callback(null, response); | |
| }) | |
| .catch((err) => { | |
| console.error("Exception while reading source image", err); | |
| callback(null, response); | |
| }); |
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