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improve: code structure

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JamesFlare1212
2025-05-12 21:45:57 -04:00
parent 2100bd04ca
commit 8598571f72
7 changed files with 847 additions and 874 deletions
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56
utils/image-processor.ts
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@@ -24,29 +24,29 @@ interface ImageMarker {
* @returns {ImageInfo|null} An object { base64Content: string, format: string } or null if not found.
*/
export function extractBase64Image(dataUrl: string): ImageInfo | null {
if (typeof dataUrl !== 'string' || !dataUrl.startsWith('data:image/')) {
return null;
}
const markers: ImageMarker[] = [
{ prefix: "data:image/png;base64,", format: "png" },
{ prefix: "data:image/jpeg;base64,", format: "jpeg" },
{ prefix: "data:image/jpg;base64,", format: "jpg" },
{ prefix: "data:image/gif;base64,", format: "gif" },
{ prefix: "data:image/svg+xml;base64,", format: "svg" }, // svg+xml -> svg
{ prefix: "data:image/webp;base64,", format: "webp" }
];
for (const marker of markers) {
if (dataUrl.startsWith(marker.prefix)) {
const base64Content = dataUrl.substring(marker.prefix.length);
logger.debug(`Found image of format: ${marker.format}`);
return { base64Content, format: marker.format };
}
}
logger.warn("No known base64 image marker found in the provided data URL:", dataUrl.substring(0, 50) + "...");
if (typeof dataUrl !== 'string' || !dataUrl.startsWith('data:image/')) {
return null;
}
const markers: ImageMarker[] = [
{ prefix: "data:image/png;base64,", format: "png" },
{ prefix: "data:image/jpeg;base64,", format: "jpeg" },
{ prefix: "data:image/jpg;base64,", format: "jpg" },
{ prefix: "data:image/gif;base64,", format: "gif" },
{ prefix: "data:image/svg+xml;base64,", format: "svg" }, // svg+xml -> svg
{ prefix: "data:image/webp;base64,", format: "webp" }
];
for (const marker of markers) {
if (dataUrl.startsWith(marker.prefix)) {
const base64Content = dataUrl.substring(marker.prefix.length);
logger.debug(`Found image of format: ${marker.format}`);
return { base64Content, format: marker.format };
}
}
logger.warn("No known base64 image marker found in the provided data URL:", dataUrl.substring(0, 50) + "...");
return null;
}
/**
@@ -56,8 +56,8 @@ export function extractBase64Image(dataUrl: string): ImageInfo | null {
* @returns {Uint8Array} The decoded binary data
*/
export function decodeBase64Image(base64String: string): Uint8Array {
// Bun uses Node.js Buffer API and has highly optimized Buffer operations
return Buffer.from(base64String, 'base64');
// Bun uses Node.js Buffer API and has highly optimized Buffer operations
return Buffer.from(base64String, 'base64');
}
/**
@@ -67,8 +67,8 @@ export function decodeBase64Image(base64String: string): Uint8Array {
* @returns {Uint8Array|null} The decoded image data or null if invalid
*/
export function dataUrlToBuffer(dataUrl: string): Uint8Array | null {
const imageInfo = extractBase64Image(dataUrl);
if (!imageInfo) return null;
return decodeBase64Image(imageInfo.base64Content);
const imageInfo = extractBase64Image(dataUrl);
if (!imageInfo) return null;
return decodeBase64Image(imageInfo.base64Content);
}