From 1fcfa9c591940a3763b502d3f70b328104208977 Mon Sep 17 00:00:00 2001
From: "renovate[bot]" <29139614+renovate[bot]@users.noreply.github.com>
Date: Fri, 22 Dec 2023 21:20:29 +0000
Subject: [PATCH] Update dependency tesseract.js to v5 (#9575)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Laurent Cozic <laurent22@users.noreply.github.com>
---
 packages/app-desktop/package.json             |  2 +-
 packages/lib/package.json                     |  2 +-
 .../ocr/drivers/OcrDriverTesseract.ts         |  7 ++-----
 yarn.lock                                     | 21 ++++++++++++-------
 4 files changed, 18 insertions(+), 14 deletions(-)

diff --git a/packages/app-desktop/package.json b/packages/app-desktop/package.json
index f1e9872d2f..0cc73ef3ac 100644
--- a/packages/app-desktop/package.json
+++ b/packages/app-desktop/package.json
@@ -189,7 +189,7 @@
     "styled-components": "5.3.11",
     "styled-system": "5.1.5",
     "taboverride": "4.0.3",
-    "tesseract.js": "4.1.4",
+    "tesseract.js": "5.0.0",
     "tinymce": "5.10.6"
   }
 }
diff --git a/packages/lib/package.json b/packages/lib/package.json
index 4ba100ce08..ea8cc43821 100644
--- a/packages/lib/package.json
+++ b/packages/lib/package.json
@@ -28,7 +28,7 @@
     "jest": "29.7.0",
     "pdfjs-dist": "3.11.174",
     "sharp": "0.33.0",
-    "tesseract.js": "4.1.4",
+    "tesseract.js": "5.0.0",
     "typescript": "5.2.2"
   },
   "dependencies": {
diff --git a/packages/lib/services/ocr/drivers/OcrDriverTesseract.ts b/packages/lib/services/ocr/drivers/OcrDriverTesseract.ts
index 7001ff7fff..7f5632ae14 100644
--- a/packages/lib/services/ocr/drivers/OcrDriverTesseract.ts
+++ b/packages/lib/services/ocr/drivers/OcrDriverTesseract.ts
@@ -1,5 +1,5 @@
 import { RecognizeResult, RecognizeResultBoundingBox, RecognizeResultLine, RecognizeResultWord } from '../utils/types';
-import { Worker, WorkerOptions, createWorker, RecognizeResult as TesseractRecognizeResult } from 'tesseract.js';
+import { Worker, WorkerOptions, createWorker, RecognizeResult as TesseractRecognizeResult, OEM } from 'tesseract.js';
 import OcrDriverBase from '../OcrDriverBase';
 import { Minute } from '@joplin/utils/time';
 import shim from '../../../shim';
@@ -59,10 +59,7 @@ export default class OcrDriverTesseract extends OcrDriverBase {
 		if (this.workerPath_) createWorkerOptions.workerPath = this.workerPath_;
 		if (this.corePath_) createWorkerOptions.corePath = this.corePath_;
 
-		const worker = await this.tesseract_.createWorker(createWorkerOptions);
-
-		await worker.loadLanguage(language);
-		await worker.initialize(language);
+		const worker = await this.tesseract_.createWorker(language, OEM.LSTM_ONLY, createWorkerOptions);
 
 		const output: WorkerWrapper = {
 			id: workerId_++,
diff --git a/yarn.lock b/yarn.lock
index 9ba4927a0c..eff4f43439 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -6585,7 +6585,7 @@ __metadata:
     styled-components: 5.3.11
     styled-system: 5.1.5
     taboverride: 4.0.3
-    tesseract.js: 4.1.4
+    tesseract.js: 5.0.0
     tinymce: 5.10.6
     ts-node: 10.9.1
     typescript: 5.2.2
@@ -6891,7 +6891,7 @@ __metadata:
     string-to-stream: 3.0.1
     tar: 6.2.0
     tcp-port-used: 1.0.2
-    tesseract.js: 4.1.4
+    tesseract.js: 5.0.0
     typescript: 5.2.2
     uglifycss: 0.0.29
     url-parse: 1.5.10
@@ -40249,6 +40249,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tesseract.js-core@npm:^5.0.0":
+  version: 5.0.0
+  resolution: "tesseract.js-core@npm:5.0.0"
+  checksum: 5d66291078ecf36f2e957e195bc82c4b313136bebf64cfc974e188226a524690785c6f3561ce4cc42f6060190318d3a08c6fee88dade19d77e70f50badd59d7e
+  languageName: node
+  linkType: hard
+
 "tesseract.js@npm:*":
   version: 4.1.2
   resolution: "tesseract.js@npm:4.1.2"
@@ -40267,9 +40274,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"tesseract.js@npm:4.1.4":
-  version: 4.1.4
-  resolution: "tesseract.js@npm:4.1.4"
+"tesseract.js@npm:5.0.0":
+  version: 5.0.0
+  resolution: "tesseract.js@npm:5.0.0"
   dependencies:
     bmp-js: ^0.1.0
     idb-keyval: ^6.2.0
@@ -40278,10 +40285,10 @@ __metadata:
     node-fetch: ^2.6.9
     opencollective-postinstall: ^2.0.3
     regenerator-runtime: ^0.13.3
-    tesseract.js-core: ^4.0.4
+    tesseract.js-core: ^5.0.0
     wasm-feature-detect: ^1.2.11
     zlibjs: ^0.3.1
-  checksum: 6a448f01d8e6f63fe1f99775dbf95214af3962ea1f697144e3887559c6969c89645bb01c6391e889d848ff949d431b67bdd6b94f77b9193dd48e3914415a5b0e
+  checksum: 0d4e322802322c4ed3639c1f49abdb860d6c4e821f3a8fe3398de153e331702d8360c9e5a4f00c2f6e190096043bfc5b098027effd6c1b23d021b0bed559802a
   languageName: node
   linkType: hard