Updated to support deno

Author: Balearica

cli/detectPDFType.js

@@ -1,4 +1,4 @@
-import fs from 'fs';
+import fs from 'node:fs';
 import scribe from '../scribe.js';
 
 /**
@@ -30,5 +30,4 @@ export const detectPDFType = async (pdfFile, outputPath) => {
   console.log('PDF Type:', type);
 
   mupdfScheduler.scheduler.terminate();
-
 };

cli/extract.js

@@ -1,5 +1,5 @@
-import fs from 'fs';
-import path from 'path';
+import fs from 'node:fs';
+import path from 'node:path';
 import scribe from '../scribe.js';
 
 /**

cli/main.js

@@ -1,8 +1,8 @@
 // Code for adding visualization to OCR output
 // Use: `node addOverlay.js [PDF file] [OCR data file] [output directory]`
 
-import fs from 'fs';
-import path from 'path';
+import fs from 'node:fs';
+import path from 'node:path';
 
 import scribe from '../scribe.js';
 

cli/require.js

@@ -2,6 +2,6 @@
 // While we will switch everything to worker modules eventually, Firefox still does not support them:
 // https://developer.mozilla.org/en-US/docs/Web/API/Worker#browser_compatibility
 // Therefore, we use a dynamic import statement to run the following code only in the Node.js version.
-const { createRequire } = await import('module');
+const { createRequire } = await import('node:module');
 globalThis.require = createRequire(import.meta.url);
 globalThis.__dirname = import.meta.url;

js/canvasAdapter.js

@@ -80,7 +80,7 @@ export class ca {
     } else {
       const dummyCanvas = await ca.dummyCanvasPromise;
 
-      const fs = await import('fs');
+      const fs = await import('node:fs');
       const fontBuffer = typeof fontObj.src === 'string' ? fs.readFileSync(fontObj.src) : fontObj.src;
 
       dummyCanvas.loadFont(fontBuffer, {

js/containers/fontContainer.js

@@ -12,10 +12,10 @@ if (typeof process === 'object') {
   // @ts-ignore
   globalThis.self = globalThis;
   // @ts-ignore
-  const { createRequire } = await import('module');
+  const { createRequire } = await import('node:module');
   globalThis.require = createRequire(import.meta.url);
-  const { fileURLToPath } = await import('url');
-  const { dirname } = await import('path');
+  const { fileURLToPath } = await import('node:url');
+  const { dirname } = await import('node:path');
   globalThis.__dirname = dirname(fileURLToPath(import.meta.url));
 }
 

js/fontContainerMain.js

@@ -122,7 +122,7 @@ export async function loadBuiltInFontsRaw(glyphSet = 'latin') {
       gothicBoldItalic = fetch(new URL('../fonts/all/URWGothicBook-BoldItalic.woff', import.meta.url)).then((res) => res.arrayBuffer());
     }
   } else {
-    const { readFile } = await import('fs/promises');
+    const { readFile } = await import('node:fs/promises');
     carlitoNormal = readFile(new URL('../fonts/all/Carlito-Regular.woff', import.meta.url)).then((res) => res.buffer);
     carlitoItalic = readFile(new URL('../fonts/all/Carlito-Italic.woff', import.meta.url)).then((res) => res.buffer);
     carlitoBold = readFile(new URL('../fonts/all/Carlito-Bold.woff', import.meta.url)).then((res) => res.buffer);
@@ -212,7 +212,7 @@ export async function loadChiSimFont() {
   if (typeof process === 'undefined') {
     chiSimSrc = fetch(new URL('../fonts/NotoSansSC-Regular.ttf', import.meta.url)).then((res) => res.arrayBuffer());
   } else {
-    const { readFile } = await import('fs/promises');
+    const { readFile } = await import('node:fs/promises');
     chiSimSrc = readFile(new URL('../fonts/NotoSansSC-Regular.ttf', import.meta.url)).then((res) => res.buffer);
   }
 

js/generalWorkerMain.js

@@ -12,7 +12,7 @@ export async function initGeneralWorker() {
   if (typeof process === 'undefined') {
     worker = new Worker(new URL('./worker/generalWorker.js', import.meta.url), { type: 'module' });
   } else {
-    const WorkerNode = (await import('worker_threads')).Worker;
+    const WorkerNode = (await import('node:worker_threads')).Worker;
     worker = new WorkerNode(new URL('./worker/generalWorker.js', import.meta.url));
   }
 
@@ -240,7 +240,7 @@ export class gs {
     } else if (typeof process === 'undefined') {
       workerN = Math.min(Math.round((globalThis.navigator.hardwareConcurrency || 8) / 2), 6);
     } else {
-      const cpuN = Math.floor((await import('os')).cpus().length / 2);
+      const cpuN = Math.floor((await import('node:os')).cpus().length / 2);
       workerN = Math.min(cpuN - 1, 8);
     }
 

js/import/nodeAdapter.js

@@ -1,5 +1,5 @@
-import fs from 'fs';
-import path from 'path';
+import fs from 'node:fs';
+import path from 'node:path';
 
 // Note: Node.js 20 added a File class in the `buffer` module in Node.js 20.0.0,
 // so this class can eventually be replaced with that.

js/utils/miscUtils.js

@@ -321,7 +321,7 @@ export function countSubstringOccurrences(string, subString, allowOverlapping, c
  */
 export const saveAs = async (content, fileName) => {
   if (typeof process !== 'undefined') {
-    const { promises: fsPromises } = await import('fs');
+    const { promises: fsPromises } = await import('node:fs');
     await fsPromises.writeFile(fileName, content);
     return;
   }