char-fork/llama.cpp

git clone https://git.t4t.associates/char-fork/llama.cpp

Aleksander Grygierui: Constants refactor (#26908)e21152dc9

char/aliceai-t5-moe
brancheschar/aliceai-t5-moeall refs →
1.8 KiB57 linesraw
1import { IMAGE } from '$lib/constants';
2import { MimeTypeImage } from '$lib/enums';
3
4// heic requires a relatively large decoder, in order to reduce primary bundle size
5// we lazily load this decoder from a CDN when needed, and cache it for future conversions
6const HEIC_TO_CDN_URL = 'https://cdn.jsdelivr.net/npm/heic-to@1.5.2/dist/heic-to.js';
7
8interface HeicToModule {
9	heicTo(args: { blob: Blob; type: string; quality?: number }): Promise<Blob>;
10}
11
12let modulePromise: Promise<HeicToModule> | null = null;
13
14/**
15 * Lazily load the heic-to decoder from the CDN and cache it
16 * @returns Promise resolving to the heic-to module
17 */
18function getHeicTo(): Promise<HeicToModule> {
19	if (!modulePromise) {
20		modulePromise = import(/* @vite-ignore */ HEIC_TO_CDN_URL) as Promise<HeicToModule>;
21	}
22
23	return modulePromise;
24}
25
26/**
27 * Convert a HEIC/HEIF file to a compressed JPEG data URL
28 * @param file - The HEIC/HEIF file to convert
29 * @returns Promise resolving to JPEG data URL
30 */
31export async function heicFileToJpegDataURL(file: File | Blob): Promise<string> {
32	const { heicTo } = await getHeicTo();
33	const jpegBlob = await heicTo({
34		blob: file,
35		quality: IMAGE.HEIC_JPEG_QUALITY,
36		type: MimeTypeImage.JPEG
37	});
38
39	return new Promise((resolve, reject) => {
40		const reader = new FileReader();
41
42		reader.onload = () => resolve(reader.result as string);
43		reader.onerror = () => reject(reader.error);
44		reader.readAsDataURL(jpegBlob);
45	});
46}
47
48/**
49 * Check if a MIME type represents a HEIC/HEIF image
50 * @param mimeType - The MIME type to check
51 * @returns True if the MIME type is image/heic or image/heif
52 */
53export function isHeicMimeType(mimeType: string): boolean {
54	const normalized = mimeType.trim().toLowerCase();
55
56	return normalized === MimeTypeImage.HEIC || normalized === MimeTypeImage.HEIF;
57}