tesseract.js
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tesseract.js - npm Package Compare versions
Comparing version 2.0.0 to 2.0.1
@@ -1,9 +0,2 @@ | ||
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| //# sourceMappingURL=tesseract.min.js.map |
@@ -182,3 +182,3 @@ # API | ||
| - `options` a object of customized optons | ||
| - `rectangles` an array of objects to specify the region you want to recognized in the image, the object should contain top, left, width and height, see example below. | ||
| - `rectangle` an object to specify the region you want to recognized in the image, the object should contain top, left, width and height, see example below. | ||
| - `jobId` Please see details above | ||
@@ -202,3 +202,3 @@ | ||
| With rectangles | ||
| With rectangle | ||
@@ -213,5 +213,3 @@ ```javascript | ||
| const { data: { text } } = await worker.recognize(image, { | ||
| rectangles: [ | ||
| { top: 0, left: 0, width: 100, height: 100 }, | ||
| ], | ||
| rectangle: { top: 0, left: 0, width: 100, height: 100 }, | ||
| }); | ||
@@ -218,0 +216,0 @@ console.log(text); |
@@ -8,3 +8,3 @@ # Tesseract.js Examples | ||
| ```javascript | ||
| import { createWorker } from 'tesseract.js'; | ||
| const { createWorker } = require('tesseract.js'); | ||
@@ -26,3 +26,3 @@ const worker = createWorker(); | ||
| ```javascript | ||
| import { createWorker } from 'tesseract.js'; | ||
| const { createWorker } = require('tesseract.js'); | ||
@@ -46,3 +46,3 @@ const worker = createWorker({ | ||
| ```javascript | ||
| import { createWorker } from 'tesseract.js'; | ||
| const { createWorker } = require('tesseract.js'); | ||
@@ -63,3 +63,3 @@ const worker = createWorker(); | ||
| ```javascript | ||
| import { createWorker } from 'tesseract.js'; | ||
| const { createWorker } = require('tesseract.js'); | ||
@@ -86,3 +86,3 @@ const worker = createWorker(); | ||
| ```javascript | ||
| import { createWorker, PSM } from 'tesseract.js'; | ||
| const { createWorker, PSM } = require('tesseract.js'); | ||
@@ -111,10 +111,41 @@ const worker = createWorker(); | ||
| ### with only part of the image (^2.0.0-beta.1) | ||
| ### with only part of the image (^2.0.1) | ||
| **One rectangle** | ||
| ```javascript | ||
| import { createWorker } from 'tesseract.js'; | ||
| const { createWorker } = require('tesseract.js'); | ||
| const worker = createWorker(); | ||
| const rectangle = { left: 0, top: 0, width: 500, height: 250 }; | ||
| (async () => { | ||
| await worker.load(); | ||
| await worker.loadLanguage('eng'); | ||
| await worker.initialize('eng'); | ||
| const { data: { text } } = await worker.recognize('https://tesseract.projectnaptha.com/img/eng_bw.png', { rectangle }); | ||
| console.log(text); | ||
| await worker.terminate(); | ||
| })(); | ||
| ``` | ||
| **Multiple Rectangles** | ||
| ```javascript | ||
| const { createWorker } = require('tesseract.js'); | ||
| const worker = createWorker(); | ||
| const rectangles = [ | ||
| { left: 0, top: 0, width: 500, height: 250 }, | ||
| { | ||
| left: 0, | ||
| top: 0, | ||
| width: 500, | ||
| height: 250, | ||
| }, | ||
| { | ||
| left: 500, | ||
| top: 0, | ||
| width: 500, | ||
| height: 250, | ||
| }, | ||
| ]; | ||
@@ -126,4 +157,8 @@ | ||
| await worker.initialize('eng'); | ||
| const { data: { text } } = await worker.recognize('https://tesseract.projectnaptha.com/img/eng_bw.png', 'eng', { rectangles }); | ||
| console.log(text); | ||
| const values = []; | ||
| for (let i = 0; i < rectangles.length; i++) { | ||
| const { data: { text } } = await worker.recognize('https://tesseract.projectnaptha.com/img/eng_bw.png', { rectangle: rectangles[i] }); | ||
| values.push(text); | ||
| } | ||
| console.log(values); | ||
| await worker.terminate(); | ||
@@ -133,6 +168,46 @@ })(); | ||
| **Multiple Rectangles (with scheduler to do recognition in parallel)** | ||
| ```javascript | ||
| const { createWorker, createScheduler } = require('tesseract.js'); | ||
| const scheduler = createScheduler(); | ||
| const worker1 = createWorker(); | ||
| const worker2 = createWorker(); | ||
| const rectangles = [ | ||
| { | ||
| left: 0, | ||
| top: 0, | ||
| width: 500, | ||
| height: 250, | ||
| }, | ||
| { | ||
| left: 500, | ||
| top: 0, | ||
| width: 500, | ||
| height: 250, | ||
| }, | ||
| ]; | ||
| (async () => { | ||
| await worker1.load(); | ||
| await worker2.load(); | ||
| await worker1.loadLanguage('eng'); | ||
| await worker2.loadLanguage('eng'); | ||
| await worker1.initialize('eng'); | ||
| await worker2.initialize('eng'); | ||
| scheduler.addWorker(worker1); | ||
| scheduler.addWorker(worker2); | ||
| const results = await Promise.all(rectangles.map((rectangle) => ( | ||
| scheduler.addJob('recognize', 'https://tesseract.projectnaptha.com/img/eng_bw.png', { rectangle }) | ||
| ))); | ||
| console.log(results.map(r => r.data.text)); | ||
| await scheduler.terminate(); | ||
| })(); | ||
| ``` | ||
| ### with multiple workers to speed up (^2.0.0-beta.1) | ||
| ```javascript | ||
| import { createWorker, createScheduler } from 'tesseract.js'; | ||
| const { createWorker, createScheduler } = require('tesseract.js'); | ||
@@ -154,3 +229,3 @@ const scheduler = createScheduler(); | ||
| const results = await Promise.all(Array(10).fill(0).map(() => ( | ||
| await scheduler.addJob('recognize', 'https://tesseract.projectnaptha.com/img/eng_bw.png') | ||
| scheduler.addJob('recognize', 'https://tesseract.projectnaptha.com/img/eng_bw.png') | ||
| ))) | ||
@@ -157,0 +232,0 @@ console.log(results); |
@@ -13,5 +13,5 @@ ## Local Installation | ||
| Tesseract.recognize(image, langs, { | ||
| workerPath: 'https://unpkg.com/tesseract.js@v2.0.0-beta.1/dist/worker.min.js', | ||
| workerPath: 'https://unpkg.com/tesseract.js@v2.0.0/dist/worker.min.js', | ||
| langPath: 'https://tessdata.projectnaptha.com/4.0.0', | ||
| corePath: 'https://unpkg.com/tesseract.js-core@v2.0.0-beta.13/tesseract-core.wasm.js', | ||
| corePath: 'https://unpkg.com/tesseract.js-core@v2.0.0/tesseract-core.wasm.js', | ||
| }) | ||
@@ -24,5 +24,5 @@ ``` | ||
| const worker = createWorker({ | ||
| workerPath: 'https://unpkg.com/tesseract.js@v2.0.0-beta.1/dist/worker.min.js', | ||
| workerPath: 'https://unpkg.com/tesseract.js@v2.0.0/dist/worker.min.js', | ||
| langPath: 'https://tessdata.projectnaptha.com/4.0.0', | ||
| corePath: 'https://unpkg.com/tesseract.js-core@v2.0.0-beta.13/tesseract-core.wasm.js', | ||
| corePath: 'https://unpkg.com/tesseract.js-core@v2.0.0/tesseract-core.wasm.js', | ||
| }); | ||
@@ -38,4 +38,4 @@ ``` | ||
| ### corePath | ||
| A string specifying the location of the [tesseract.js-core library](https://github.com/naptha/tesseract.js-core), with default value 'https://unpkg.com/tesseract.js-core@v2.0.0-beta.13/tesseract-core.wasm.js' (fallback to tesseract-core.asm.js when WebAssembly is not available). | ||
| A string specifying the location of the [tesseract.js-core library](https://github.com/naptha/tesseract.js-core), with default value 'https://unpkg.com/tesseract.js-core@v2.0.0/tesseract-core.wasm.js' (fallback to tesseract-core.asm.js when WebAssembly is not available). | ||
| Another WASM option is 'https://unpkg.com/tesseract.js-core@v2.0.0-beta.13/tesseract-core.js' which is a script that loads 'https://unpkg.com/tesseract.js-core@v2.0.0-beta.13/tesseract-core.wasm'. But it fails to fetch at this moment. | ||
| Another WASM option is 'https://unpkg.com/tesseract.js-core@v2.0.0/tesseract-core.js' which is a script that loads 'https://unpkg.com/tesseract.js-core@v2.0.0/tesseract-core.wasm'. But it fails to fetch at this moment. |
| { | ||
| "name": "tesseract.js", | ||
| "version": "2.0.0", | ||
| "version": "2.0.1", | ||
| "description": "Pure Javascript Multilingual OCR", | ||
@@ -12,2 +12,4 @@ "main": "src/index.js", | ||
| "build": "rimraf dist && webpack --config scripts/webpack.config.prod.js", | ||
| "profile:tesseract": "webpack-bundle-analyzer dist/tesseract-stats.json", | ||
| "profile:worker": "webpack-bundle-analyzer dist/worker-stats.json", | ||
| "prepublishOnly": "npm run build", | ||
@@ -54,2 +56,3 @@ "wait": "rimraf dist && wait-on http://localhost:3000/dist/tesseract.dev.js", | ||
| "webpack": "^4.41.4", | ||
| "webpack-bundle-analyzer": "^3.6.0", | ||
| "webpack-cli": "^3.3.10", | ||
@@ -59,7 +62,8 @@ "webpack-dev-middleware": "^3.7.2" | ||
| "dependencies": { | ||
| "axios": "^0.18.0", | ||
| "bmp-js": "^0.1.0", | ||
| "file-type": "^12.4.1", | ||
| "idb-keyval": "^3.2.0", | ||
| "is-electron": "^2.2.0", | ||
| "is-url": "1.2.2", | ||
| "node-fetch": "^2.6.0", | ||
| "opencollective-postinstall": "^2.0.2", | ||
@@ -66,0 +70,0 @@ "regenerator-runtime": "^0.13.3", |
| <p align="center"> | ||
| <a href="https://tesseract.projectnaptha.com/"><img alt="Tesseract.js" src="https://tesseract.projectnaptha.com/img/logo_small.png"></a> | ||
| <a href="https://tesseract.projectnaptha.com/"><img width="256px" height="256px" alt="Tesseract.js" src="./docs/images/tesseract.png"></a> | ||
| </p> | ||
@@ -14,3 +14,3 @@ | ||
| <h3 align="center"> | ||
| Version 2 beta is now available and under development in the master branch, read a story about v2 beta: <a href="https://medium.com/@jeromewus/why-i-refactor-tesseract-js-v2-50f750a9cfe2">Why I refactor tesseract.js v2?</a><br> | ||
| Version 2 is now available and under development in the master branch, read a story about v2: <a href="https://medium.com/@jeromewus/why-i-refactor-tesseract-js-v2-50f750a9cfe2">Why I refactor tesseract.js v2?</a><br> | ||
| Check the <a href="https://github.com/naptha/tesseract.js/tree/support/1.x">support/1.x</a> branch for version 1 | ||
@@ -72,3 +72,3 @@ </h3> | ||
| ## Major changes in v2 beta | ||
| ## Major changes in v2 | ||
| - Upgrade to tesseract v4.1 (using emscripten 1.38.45) | ||
@@ -88,3 +88,3 @@ - Support multiple languages at the same time, eg: eng+chi\_tra for English and Traditional Chinese | ||
| <!-- v2 --> | ||
| <script src='https://unpkg.com/tesseract.js@v2.0.0-beta.1/dist/tesseract.min.js'></script> | ||
| <script src='https://unpkg.com/tesseract.js@v2.0.1/dist/tesseract.min.js'></script> | ||
@@ -103,8 +103,8 @@ <!-- v1 --> | ||
| # For v2 | ||
| npm install tesseract.js@next | ||
| yarn add tesseract.js@next | ||
| npm install tesseract.js | ||
| yarn add tesseract.js | ||
| # For v1 | ||
| npm install tesseract.js | ||
| yarn add tesseract.js | ||
| npm install tesseract.js@1 | ||
| yarn add tesseract.js@1 | ||
| ``` | ||
@@ -111,0 +111,0 @@ |
| const path = require('path'); | ||
| const webpack = require('webpack'); | ||
| const { BundleAnalyzerPlugin } = require('webpack-bundle-analyzer'); | ||
| const common = require('./webpack.config.common'); | ||
@@ -22,2 +23,7 @@ | ||
| }), | ||
| new BundleAnalyzerPlugin({ | ||
| analyzerMode: 'disable', | ||
| statsFilename: `${filename.split('.')[0]}-stats.json`, | ||
| generateStatsFile: true | ||
| }), | ||
| ], | ||
@@ -24,0 +30,0 @@ devServer: { |
@@ -0,10 +1,21 @@ | ||
| const isElectron = require('is-electron'); | ||
| module.exports = (key) => { | ||
| const env = { | ||
| type: (typeof window !== 'undefined') && (typeof window.document !== 'undefined') ? 'browser' : 'node', | ||
| }; | ||
| const env = {}; | ||
| if (isElectron()) { | ||
| env.type = 'electron'; | ||
| } else if (typeof window === 'object') { | ||
| env.type = 'browser'; | ||
| } else if (typeof importScripts === 'function') { | ||
| env.type = 'webworker'; | ||
| } else if (typeof process === 'object' && typeof require === 'function') { | ||
| env.type = 'node'; | ||
| } | ||
| if (typeof key === 'undefined') { | ||
| return env; | ||
| } | ||
| return env[key]; | ||
| }; |
@@ -30,3 +30,4 @@ /** | ||
| gunzip, | ||
| fetch: () => {}, | ||
| ...cache, | ||
| }); |
@@ -12,6 +12,5 @@ /** | ||
| const fileType = require('file-type'); | ||
| const axios = require('axios'); | ||
| const isURL = require('is-url'); | ||
| const dump = require('./utils/dump'); | ||
| const isBrowser = require('../utils/getEnvironment')('type') === 'browser'; | ||
| const isWebWorker = require('../utils/getEnvironment')('type') === 'webworker'; | ||
| const setImage = require('./utils/setImage'); | ||
@@ -98,7 +97,4 @@ const defaultParams = require('./constants/defaultParams'); | ||
| if (path !== null) { | ||
| const { data: _data } = await axios.get( | ||
| `${path}/${lang}.traineddata${gzip ? '.gz' : ''}`, | ||
| { responseType: 'arraybuffer' }, | ||
| ); | ||
| data = _data; | ||
| const resp = await (isWebWorker ? fetch : adapter.fetch)(`${path}/${lang}.traineddata${gzip ? '.gz' : ''}`); | ||
| data = await resp.arrayBuffer(); | ||
| } else { | ||
@@ -143,3 +139,3 @@ data = await adapter.readCache(`${langPath}/${lang}.traineddata${gzip ? '.gz' : ''}`); | ||
| } catch (err) { | ||
| if (isBrowser && err instanceof DOMException) { | ||
| if (isWebWorker && err instanceof DOMException) { | ||
| /* | ||
@@ -197,10 +193,8 @@ * For some reason google chrome throw DOMException in loadLang, | ||
| const recognize = ({ payload: { image, options: { rectangles = [] } } }, res) => { | ||
| const recognize = ({ payload: { image, options: { rectangle: rec } } }, res) => { | ||
| try { | ||
| const ptr = setImage(TessModule, api, image); | ||
| rectangles.forEach(({ | ||
| left, top, width, height, | ||
| }) => { | ||
| api.SetRectangle(left, top, width, height); | ||
| }); | ||
| if (typeof rec === 'object') { | ||
| api.SetRectangle(rec.left, rec.top, rec.width, rec.height); | ||
| } | ||
| api.Recognize(null); | ||
@@ -207,0 +201,0 @@ res.resolve(dump(TessModule, api, params)); |
@@ -11,2 +11,3 @@ /** | ||
| const fetch = require('node-fetch'); | ||
| const worker = require('../'); | ||
@@ -27,3 +28,4 @@ const getCore = require('./getCore'); | ||
| gunzip, | ||
| fetch, | ||
| ...cache, | ||
| }); |
@@ -1,2 +0,1 @@ | ||
| const axios = require('axios'); | ||
| const resolveURL = require('resolve-url'); | ||
@@ -44,4 +43,4 @@ | ||
| } else { | ||
| const { data: _data } = await axios.get(resolveURL(image), { responseType: 'arraybuffer' }); | ||
| data = _data; | ||
| const resp = await fetch(resolveURL(image)); | ||
| data = await resp.arrayBuffer(); | ||
| } | ||
@@ -48,0 +47,0 @@ } else if (image instanceof HTMLElement) { |
| const util = require('util'); | ||
| const fs = require('fs'); | ||
| const axios = require('axios'); | ||
| const fetch = require('node-fetch'); | ||
| const isURL = require('is-url'); | ||
@@ -23,4 +23,4 @@ | ||
| if (isURL(image) || image.startsWith('moz-extension://') || image.startsWith('chrome-extension://') || image.startsWith('file://')) { | ||
| const { data: _data } = await axios.get(image, { responseType: 'arraybuffer' }); | ||
| data = _data; | ||
| const resp = await fetch(image); | ||
| data = await resp.arrayBuffer(); | ||
| } else if (/data:image\/([a-zA-Z]*);base64,([^"]*)/.test(image)) { | ||
@@ -27,0 +27,0 @@ data = Buffer.from(image.split(',')[1], 'base64'); |
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New alerts
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LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
Found 1 instance in 1 package
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Found 1 instance in 1 package
Fixed alerts
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LicenseThis package is not allowed per your license policy. Review the package's license to ensure compliance.
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Improved metrics
- Number of package files
- increased by2.82%
73
Worsened metrics
- Total package byte prevSize
- decreased by-1.27%
1087845
- Dependency count
- increased by10%
11
- Dev dependency count
- increased by4.76%
22
- Lines of code
- decreased by-3.65%
2189
- Number of medium supply chain risk alerts
- increased by600%
7
Dependency changes
+ Addedis-electron@^2.2.0
+ Addednode-fetch@^2.6.0
+ Addedis-electron@2.2.2(transitive)
+ Addednode-fetch@2.7.0(transitive)
+ Addedtr46@0.0.3(transitive)
+ Addedwebidl-conversions@3.0.1(transitive)
+ Addedwhatwg-url@5.0.0(transitive)
- Removedaxios@^0.18.0
- Removedaxios@0.18.1(transitive)
- Removedfollow-redirects@1.5.10(transitive)
- Removedis-buffer@2.0.5(transitive)