djoka/bentopdf
1
0
Fork 0
Code Issues Pull Requests Actions 4 Packages Projects Releases Wiki Activity

refactor: centralize CDN config and fix service worker fallback

Browse Source 
- Centralize CDN versions/URLs in cdn-version.ts
- Switch LibreOffice to @bentopdf/libreoffice-wasm package
- Fix service worker fallback to support all WASM packages
- Remove dead code and silence production logs
This commit is contained in:
abdullahalam123
2025-12-30 22:58:25 +05:30
parent 659a4b1a32
commit 2f8086ad59
30 changed files with 560 additions and 338 deletions
Download Patch File Download Diff File Expand all files Collapse all files

60
src/js/utils/ghostscript-loader.ts
View File

@@ -5,6 +5,7 @@
*/
import loadWASM from '@bentopdf/gs-wasm';
import { getWasmBaseUrl, fetchWasmFile } from '../config/wasm-cdn-config.js';
interface GhostscriptModule {
FS: {
@@ -32,35 +33,35 @@ export function getCachedGsModule(): GhostscriptModule | null {
* Encode binary data to Adobe ASCII85 (Base85) format.
* This matches Python's base64.a85encode(data, adobe=True)
*/
function encodeBase85(data: Uint8Array): string {
const POW85 = [85 * 85 * 85 * 85, 85 * 85 * 85, 85 * 85, 85, 1];
let result = '';
// function encodeBase85(data: Uint8Array): string {
// const POW85 = [85 * 85 * 85 * 85, 85 * 85 * 85, 85 * 85, 85, 1];
// let result = '';
// Process 4 bytes at a time
for (let i = 0; i < data.length; i += 4) {
// Get 4 bytes (pad with zeros if needed)
let value = 0;
const remaining = Math.min(4, data.length - i);
for (let j = 0; j < 4; j++) {
value = value * 256 + (j < remaining ? data[i + j] : 0);
}
// // Process 4 bytes at a time
// for (let i = 0; i < data.length; i += 4) {
// // Get 4 bytes (pad with zeros if needed)
// let value = 0;
// const remaining = Math.min(4, data.length - i);
// for (let j = 0; j < 4; j++) {
// value = value * 256 + (j < remaining ? data[i + j] : 0);
// }
// Special case: all zeros become 'z'
if (value === 0 && remaining === 4) {
result += 'z';
} else {
// Encode to 5 ASCII85 characters
const encoded: string[] = [];
for (let j = 0; j < 5; j++) {
encoded.push(String.fromCharCode((value / POW85[j]) % 85 + 33));
}
// For partial blocks, only output needed characters
result += encoded.slice(0, remaining + 1).join('');
}
}
// // Special case: all zeros become 'z'
// if (value === 0 && remaining === 4) {
// result += 'z';
// } else {
// // Encode to 5 ASCII85 characters
// const encoded: string[] = [];
// for (let j = 0; j < 5; j++) {
// encoded.push(String.fromCharCode((value / POW85[j]) % 85 + 33));
// }
// // For partial blocks, only output needed characters
// result += encoded.slice(0, remaining + 1).join('');
// }
// }
return result;
}
// return result;
// }
export async function convertToPdfA(
pdfData: Uint8Array,
@@ -74,10 +75,11 @@ export async function convertToPdfA(
if (cachedGsModule) {
gs = cachedGsModule;
} else {
const gsBaseUrl = getWasmBaseUrl('ghostscript');
gs = await loadWASM({
locateFile: (path: string) => {
if (path.endsWith('.wasm')) {
return import.meta.env.BASE_URL + 'ghostscript-wasm/gs.wasm';
return gsBaseUrl + 'gs.wasm';
}
return path;
},
@@ -104,9 +106,7 @@ export async function convertToPdfA(
const pdfaDefPath = '/tmp/pdfa.ps';
try {
const response = await fetch(import.meta.env.BASE_URL + 'ghostscript-wasm/sRGB_v4_ICC_preference.icc');
if (!response.ok) throw new Error(`HTTP error! Status: ${response.status}`);
const response = await fetchWasmFile('ghostscript', 'sRGB_v4_ICC_preference.icc');
const iccData = new Uint8Array(await response.arrayBuffer());
console.log('[Ghostscript] sRGB v4 ICC profile loaded:', iccData.length, 'bytes');