From 1a61aff87c4138e65d1be882ed6c349afa5f278a Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Mon, 8 Sep 2025 15:07:37 -0300 Subject: [PATCH 01/15] Add: advanced mode --- aux-funcitons.ts | 17 +++++++ index.ts | 117 ++++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 133 insertions(+), 1 deletion(-) create mode 100644 aux-funcitons.ts diff --git a/aux-funcitons.ts b/aux-funcitons.ts new file mode 100644 index 0000000..a016c4a --- /dev/null +++ b/aux-funcitons.ts @@ -0,0 +1,17 @@ +const calculateStartLine = (controlPosX: {[key: string]: number}): number => { + let vectorKeys = Object.keys(controlPosX); + let moreUsualValue: {key:string, value: number} = {key:'', value: 0}; + + vectorKeys.forEach(key => { + if(controlPosX[key] > moreUsualValue.value){ + moreUsualValue = { + key, + value: controlPosX[key] as number + } + } + }) + + return (Number(moreUsualValue.key)+2) +} + +export default calculateStartLine; \ No newline at end of file diff --git a/index.ts b/index.ts index 095fd9e..ce04a0e 100644 --- a/index.ts +++ b/index.ts @@ -1,4 +1,5 @@ import { pdfjs } from "react-pdf"; +import calculateStartLine from "./aux-funcitons"; // Path to the pdf.worker.js file pdfjs.GlobalWorkerOptions.workerSrc = `//cdnjs.cloudflare.com/ajax/libs/pdf.js/${pdfjs.version}/pdf.worker.mjs`; @@ -42,4 +43,118 @@ const pdfToText = async (file: File | Blob | MediaSource): Promise => { return extractedText; }; -export default pdfToText; +/** + * Extracts text content from a PDF file like the original PDF. + * @param {File | Blob | MediaSource} file - The PDF file to extract text from. + * @returns {Promise} A promise that resolves with the extracted text content. + */ +const pdfToTextLikePDF = async (file: File | Blob | MediaSource): Promise => { + // Create a blob URL for the PDF file + const blobUrl = URL.createObjectURL(file); + + // Load the PDF file + const loadingTask = pdfjs.getDocument(blobUrl); + + let extractedText = ""; + try { + const pdf = await loadingTask.promise; + const numPages = pdf.numPages; + + let lastPage = 1 + + let sizeFontProm = 10; + let totalSize = 0; + let totalTokens = 0; + + let controlPosX: {[key: string]: number} = {} + + //Scan the first few pages to sample the beginning of a line of text + for (let pageNumber = 1; pageNumber <= numPages && pageNumber <= 5; pageNumber++) { + const page = await pdf.getPage(pageNumber); + const textContent = await page.getTextContent(); + + textContent.items.map((item) => { + if("transform" in item){ + if(item.height > 3 && item.str){ + totalSize = totalSize + item.height; + totalTokens++ + } + + const name: string =( ((item.transform[4]).toString()).split ('.'))[0] + controlPosX[name] = (controlPosX[name] || 0) + 1 + } + }) + } + sizeFontProm = totalSize/totalTokens; + + const startLine = calculateStartLine(controlPosX); + + // Iterate through each page and extract text + for (let pageNumber = 1; pageNumber <= numPages; pageNumber++) { + const page = await pdf.getPage(pageNumber); + const textContent = await page.getTextContent(); + + let lastToken = '' + let lastLastPositionY = 0 + let lastPositionY = 0 + + const pageText = textContent.items + .map((item, index) => { + if("str" in item){ + lastToken = '' + + lastLastPositionY = lastPositionY + lastPositionY = item.transform[5] + + //Is end of Page? + if(lastPage < pageNumber && pageNumber !== 1){ + lastToken = '\n', + lastPage++ + } + + //Is end of line + if(index > 1 && (lastLastPositionY-(sizeFontProm*1.6) > item.transform[5] )){ + lastToken = '\n' + } + + //Is new Line + if(lastLastPositionY-(sizeFontProm*1) > item.transform[5] + && item.transform[4] > startLine){ + lastToken = '\n' + } + + //Is a foot of page + if((index > 0 && lastLastPositionY < item.transform[5] )){ + lastToken = '\n' + } + + //Is a jump + if(lastPositionY === 0){ + lastToken = '\n' + } + return lastToken + item.str + }}) + .join(''); + extractedText += pageText; + } + } catch (error) { + throw new Error(`Failed to extract text from PDF: ${error}`); + } finally { + // Clean up the blob URL + URL.revokeObjectURL(blobUrl); + + // Free memory from loading task + loadingTask.destroy(); + } + return extractedText; +}; + +const selectModeToExtract = async (file: File | Blob | MediaSource, mode: 'simple' | 'advanced'): Promise => { + if (mode === 'simple') { + return pdfToText(file); + } else { + return pdfToTextLikePDF(file); + } +} + +export default selectModeToExtract; From 18b5e19a19c22d071db4eabd2187e26a1c38c6f8 Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Fri, 21 Nov 2025 17:51:51 -0300 Subject: [PATCH 02/15] add: Detect linespacing --- index.ts | 41 +++++++++++++++++++++++------------------ 1 file changed, 23 insertions(+), 18 deletions(-) diff --git a/index.ts b/index.ts index ce04a0e..c564583 100644 --- a/index.ts +++ b/index.ts @@ -44,11 +44,12 @@ const pdfToText = async (file: File | Blob | MediaSource): Promise => { }; /** - * Extracts text content from a PDF file like the original PDF. + * Extracts text content from a PDF file. * @param {File | Blob | MediaSource} file - The PDF file to extract text from. + * @param lineSpacing - is space inter line an line standart * @returns {Promise} A promise that resolves with the extracted text content. */ -const pdfToTextLikePDF = async (file: File | Blob | MediaSource): Promise => { +const pdfToTextLikePDF = async (file: File | Blob | MediaSource, lineSpacing: number = 1): Promise => { // Create a blob URL for the PDF file const blobUrl = URL.createObjectURL(file); @@ -60,36 +61,34 @@ const pdfToTextLikePDF = async (file: File | Blob | MediaSource): Promise { - if("transform" in item){ + if("height" in item){ if(item.height > 3 && item.str){ - totalSize = totalSize + item.height; + totalFontSize = totalFontSize + item.height; totalTokens++ } - const name: string =( ((item.transform[4]).toString()).split ('.'))[0] + const name: string =(((item.transform[4]).toString()).split ('.'))[0] controlPosX[name] = (controlPosX[name] || 0) + 1 } }) } - sizeFontProm = totalSize/totalTokens; + sizeFontProm = totalFontSize/totalTokens; const startLine = calculateStartLine(controlPosX); - - // Iterate through each page and extract text + for (let pageNumber = 1; pageNumber <= numPages; pageNumber++) { const page = await pdf.getPage(pageNumber); const textContent = await page.getTextContent(); @@ -106,6 +105,10 @@ const pdfToTextLikePDF = async (file: File | Blob | MediaSource): Promise= 790){ + lastToken = '\n' + } //Is end of Page? if(lastPage < pageNumber && pageNumber !== 1){ lastToken = '\n', @@ -113,13 +116,14 @@ const pdfToTextLikePDF = async (file: File | Blob | MediaSource): Promise 1 && (lastLastPositionY-(sizeFontProm*1.6) > item.transform[5] )){ + if(index > 1 && (lastLastPositionY-(sizeFontProm*1.6*lineSpacing) > item.transform[5])){ lastToken = '\n' } - //Is new Line - if(lastLastPositionY-(sizeFontProm*1) > item.transform[5] - && item.transform[4] > startLine){ + //Is new parrafo + if(lastLastPositionY-(sizeFontProm*lineSpacing) > item.transform[5] + && item.transform[4] > startLine + ){ lastToken = '\n' } @@ -132,7 +136,8 @@ const pdfToTextLikePDF = async (file: File | Blob | MediaSource): Promise => { +const selectModeToExtract = async (file: File | Blob | MediaSource, mode: 'simple' | 'advanced', lineSpacing): Promise => { if (mode === 'simple') { return pdfToText(file); } else { - return pdfToTextLikePDF(file); + return pdfToTextLikePDF(file,lineSpacing); } } From 20462a66c9d5533ce1341fdade8e5c4a4bb8d879 Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Fri, 21 Nov 2025 18:03:11 -0300 Subject: [PATCH 03/15] update data for NPM --- .github/workflows/npm-publish.yml | 67 ------------------------------- LICENSE | 2 +- README.md | 59 +++++++++++++++++---------- index.ts | 2 +- package.json | 9 +++-- 5 files changed, 44 insertions(+), 95 deletions(-) delete mode 100644 .github/workflows/npm-publish.yml diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml deleted file mode 100644 index 6b0b23a..0000000 --- a/.github/workflows/npm-publish.yml +++ /dev/null @@ -1,67 +0,0 @@ -name: Publish NPM package - -on: - push: - branches: - - main - -jobs: - publish: - runs-on: ubuntu-latest - steps: - - uses: actions/checkout@v2 - with: - fetch-depth: 0 - - - name: Setup Node.js - uses: actions/setup-node@v2 - with: - node-version: '20' - registry-url: 'https://registry.npmjs.org' - - - name: Install dependencies - run: npm install - - - name: Check the version - id: check - run: | - CURRENT_VERSION=$(jq -r .version package.json) - echo "Current version: $CURRENT_VERSION" - LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0") - echo "Latest tag: $LATEST_TAG" - - LATEST_VERSION=${LATEST_TAG#v} - - if [ "$LATEST_VERSION" != "$CURRENT_VERSION" ]; - then - echo "Version changed" - echo "version_changed=true" >> $GITHUB_OUTPUT - echo "new_version=$CURRENT_VERSION" >> $GITHUB_OUTPUT - else - echo "Version not changed" - echo "version_changed=false" >> $GITHUB_OUTPUT - fi - - - name: Build - run: npm run build - if: steps.check.outputs.version_changed == 'true' - - - name: Publish - if: steps.check.outputs.version_changed == 'true' - run: npm publish --access public --no-git-checks - env: - NODE_AUTH_TOKEN: ${{ secrets.NPM_ACCESS_TOKEN }} - - - name: Tag release - if: steps.check.outputs.version_changed == 'true' - run: | - git config --local user.email "github-actions[bot]@users.noreply.github.com" - git config --local user.name "github-actions[bot]" - git tag -a "v${{ steps.check.outputs.new_version }}" -m "v${{ steps.check.outputs.new_version }}" - git push origin "v${{ steps.check.outputs.new_version }}" - - - - - - \ No newline at end of file diff --git a/LICENSE b/LICENSE index 6a97962..23b44a3 100644 --- a/LICENSE +++ b/LICENSE @@ -1,6 +1,6 @@ MIT License -Copyright (c) 2024 Utkarsh Pancholi +Copyright (c) 2025 Javier Bagatoli Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal diff --git a/README.md b/README.md index 953748e..87d0e20 100644 --- a/README.md +++ b/README.md @@ -1,13 +1,15 @@ -# react-pdftotext +# react-pdftotext-advanced -Light-weight memory-safe client library for extracting plain text from pdf files. +This is a library based on "react-pdftotext" that aims to format text for readability without requiring extensive coding. + +This version separates paragraph and page endings, taking into account expected spacing and page breaks. ## Installing Using npm: ```js -npm install react-pdftotext +npm install react-pdftotext-advanced ``` ## Example @@ -22,35 +24,48 @@ Now add a input tag with type="file" to take file input. Import the pdf2text function from package -```js -import pdfToText from "react-pdftotext"; +```ts +//simple mode +//input Base text +//Good morning everyone. +// +//How are you all? +// +//I hope you're well. +import pdfToText from "react-pdftotext-advanced"; function extractText(event) { const file = event.target.files[0]; - pdfToText(file) + selectModeToExtract(file, 'simple') .then((text) => console.log(text)) .catch((error) => console.error("Failed to extract text from pdf")); } +//output Base text +// Good morning everyone.How are you all?I hope you're well. ``` -**Remote PDF File Input** - -For Pdf files stored at remote locations - -```js -import pdfToText from 'react-pdftotext' - -const pdf_url = "REMOTE_PDF_URL" +```ts +//Advanced mode +//input text +//Good morning everyone. +// +//How are you all? +// +//I hope you're well. +import pdfToText from "react-pdftotext-advanced"; -function extractText() { - const file = await fetch(pdf_url) - .then(res => res.blob()) - .catch(error => console.error(error)) - - pdfToText(file) - .then(text => console.log(text)) - .catch(error => console.error("Failed to extract text from pdf")) +function extractText(event) { + const file = event.target.files[0]; + selectModeToExtract(file, 'simple') + .then((text) => console.log(text)) + .catch((error) => console.error("Failed to extract text from pdf")); } +//output text +//Good morning everyone. +// +//How are you all? +// +//I hope you're well. ``` ## Contributing diff --git a/index.ts b/index.ts index c564583..210c70d 100644 --- a/index.ts +++ b/index.ts @@ -154,7 +154,7 @@ const pdfToTextLikePDF = async (file: File | Blob | MediaSource, lineSpacing: nu return extractedText; }; -const selectModeToExtract = async (file: File | Blob | MediaSource, mode: 'simple' | 'advanced', lineSpacing): Promise => { +const selectModeToExtract = async (file: File | Blob | MediaSource, mode: 'simple' | 'advanced', lineSpacing: number = 1): Promise => { if (mode === 'simple') { return pdfToText(file); } else { diff --git a/package.json b/package.json index 31eb6b4..7b94bf7 100644 --- a/package.json +++ b/package.json @@ -1,5 +1,5 @@ { - "name": "react-pdftotext", + "name": "react-pdftotext-advanced", "version": "1.3.4", "description": "A simple light weight react package to extract plain text from a pdf file.", "main": "dist/index.js", @@ -12,7 +12,7 @@ }, "repository": { "type": "git", - "url": "https://github.com/Utkarsh212/react-pdftotext.git" + "url": "https://github.com/JavierBagatoli/react-pdftotext-advanced.git" }, "keywords": [ "react-pdf", @@ -22,9 +22,10 @@ "react", "pdf2text", "pdfjs", - "pdf-to-text" + "pdf-to-text", + "typescript" ], - "author": "Utkarsh Pancholi", + "author": "Javier Bagatoli", "license": "MIT", "dependencies": { "pdfjs-dist": "^4.6.82", From 8c23a011e31de502b8a32dfdbf106b4b7c292ab1 Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Fri, 21 Nov 2025 18:17:35 -0300 Subject: [PATCH 04/15] fix: url --- package.json | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/package.json b/package.json index 7b94bf7..6376f60 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "react-pdftotext-advanced", - "version": "1.3.4", + "version": "1.3.5", "description": "A simple light weight react package to extract plain text from a pdf file.", "main": "dist/index.js", "module": "dist/index.js", @@ -12,7 +12,7 @@ }, "repository": { "type": "git", - "url": "https://github.com/JavierBagatoli/react-pdftotext-advanced.git" + "url": "https://github.com/JavierBagatoli/react-pdftotext.git" }, "keywords": [ "react-pdf", From 3e52bb125feea76e71ac357dedaa41273659457c Mon Sep 17 00:00:00 2001 From: Javier Bagatoli <73254517+JavierBagatoli@users.noreply.github.com> Date: Mon, 20 Jul 2026 17:14:08 -0300 Subject: [PATCH 05/15] update for vite --- package.json | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/package.json b/package.json index 6376f60..3567647 100644 --- a/package.json +++ b/package.json @@ -1,10 +1,16 @@ { "name": "react-pdftotext-advanced", - "version": "1.3.5", + "version": "1.3.6", "description": "A simple light weight react package to extract plain text from a pdf file.", - "main": "dist/index.js", - "module": "dist/index.js", + "main": "./dist/index.cjs", + "module": "./dist/index.mjs", "types": "dist/index.d.ts", + "exports": { + ".": { + "import": "./dist/index.mjs", + "require": "./dist/index.cjs" + } + } "scripts": { "test": "echo \"Error: no test specified\" && exit 1", "build": "tsc", @@ -35,3 +41,5 @@ "typescript": "^5.4.5" } } + + From 6881ba52e98f70de8a6024fd8d866367a3165267 Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Thu, 23 Jul 2026 11:34:23 -0300 Subject: [PATCH 06/15] update readme --- package.json | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package.json b/package.json index 3567647..b161836 100644 --- a/package.json +++ b/package.json @@ -10,7 +10,7 @@ "import": "./dist/index.mjs", "require": "./dist/index.cjs" } - } + }, "scripts": { "test": "echo \"Error: no test specified\" && exit 1", "build": "tsc", From 5ccd0aa074371c8a6c9a894a61b83678bca87640 Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Thu, 23 Jul 2026 11:51:19 -0300 Subject: [PATCH 07/15] update data --- README.md | 8 ++++---- package-lock.json | 2 +- 2 files changed, 5 insertions(+), 5 deletions(-) diff --git a/README.md b/README.md index 87d0e20..60047bc 100644 --- a/README.md +++ b/README.md @@ -26,7 +26,7 @@ Import the pdf2text function from package ```ts //simple mode -//input Base text +//input text //Good morning everyone. // //How are you all? @@ -40,7 +40,7 @@ function extractText(event) { .then((text) => console.log(text)) .catch((error) => console.error("Failed to extract text from pdf")); } -//output Base text +//output // Good morning everyone.How are you all?I hope you're well. ``` @@ -56,11 +56,11 @@ import pdfToText from "react-pdftotext-advanced"; function extractText(event) { const file = event.target.files[0]; - selectModeToExtract(file, 'simple') + selectModeToExtract(file, 'advanced') .then((text) => console.log(text)) .catch((error) => console.error("Failed to extract text from pdf")); } -//output text +//output //Good morning everyone. // //How are you all? diff --git a/package-lock.json b/package-lock.json index 40b68ea..90bb525 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "react-pdftotext", - "version": "1.3.4", + "version": "1.3.6", "lockfileVersion": 3, "requires": true, "packages": { From 8e1f22ab6a7e4254741671139d8f15d1bb37e23a Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Thu, 23 Jul 2026 15:44:34 -0300 Subject: [PATCH 08/15] . --- pnpm-lock.yaml | 579 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 579 insertions(+) create mode 100644 pnpm-lock.yaml diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml new file mode 100644 index 0000000..d1e3a9e --- /dev/null +++ b/pnpm-lock.yaml @@ -0,0 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1.4.0 + optional: true + + rc@1.2.8: + dependencies: + deep-extend: 0.6.0 + ini: 1.3.8 + minimist: 1.2.8 + strip-json-comments: 2.0.1 + optional: true + + react-dom@19.2.8(react@19.2.8): + dependencies: + react: 19.2.8 + scheduler: 0.27.0 + + react-pdf@9.2.1(react-dom@19.2.8(react@19.2.8))(react@19.2.8): + dependencies: + clsx: 2.1.1 + dequal: 2.0.3 + make-cancellable-promise: 1.3.2 + make-event-props: 1.6.2 + merge-refs: 1.3.0 + pdfjs-dist: 4.8.69 + react: 19.2.8 + react-dom: 19.2.8(react@19.2.8) + tiny-invariant: 1.3.3 + warning: 4.0.3 + + react@19.2.8: {} + + readable-stream@3.6.2: + dependencies: + inherits: 2.0.4 + string_decoder: 1.3.0 + util-deprecate: 1.0.2 + optional: true + + safe-buffer@5.2.1: + optional: true + + scheduler@0.27.0: {} + + semver@7.8.5: + optional: true + + simple-concat@1.0.1: + optional: true + + simple-get@4.0.1: + dependencies: + decompress-response: 6.0.0 + once: 1.4.0 + simple-concat: 1.0.1 + optional: true + + string_decoder@1.3.0: + dependencies: + safe-buffer: 5.2.1 + optional: true + + strip-json-comments@2.0.1: + optional: true + + tar-fs@2.1.5: + dependencies: + chownr: 1.1.4 + mkdirp-classic: 0.5.3 + pump: 3.0.4 + tar-stream: 2.2.0 + optional: true + + tar-stream@2.2.0: + dependencies: + bl: 4.1.0 + end-of-stream: 1.4.5 + fs-constants: 1.0.0 + inherits: 2.0.4 + readable-stream: 3.6.2 + optional: true + + tiny-invariant@1.3.3: {} + + tunnel-agent@0.6.0: + dependencies: + safe-buffer: 5.2.1 + optional: true + + typescript@5.9.3: {} + + util-deprecate@1.0.2: + optional: true + + warning@4.0.3: + dependencies: + loose-envify: 1.4.0 + + wrappy@1.0.2: + optional: true From ef1d7dca38e0a81078e0e72f6ac1f489588a2bb3 Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Thu, 23 Jul 2026 15:46:00 -0300 Subject: [PATCH 09/15] update version --- .npmignore | 1 - package.json | 2 +- 2 files changed, 1 insertion(+), 2 deletions(-) diff --git a/.npmignore b/.npmignore index 5510319..b7b695d 100644 --- a/.npmignore +++ b/.npmignore @@ -1,4 +1,3 @@ -index.ts package-lock.json .gitignore tsconfig.json diff --git a/package.json b/package.json index b161836..ec6da3c 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "react-pdftotext-advanced", - "version": "1.3.6", + "version": "1.3.7", "description": "A simple light weight react package to extract plain text from a pdf file.", "main": "./dist/index.cjs", "module": "./dist/index.mjs", From e5b5de81fa9a5335298cab73446adc5f62aa402b Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Thu, 23 Jul 2026 15:59:48 -0300 Subject: [PATCH 10/15] update: version --- .npmignore | 1 + package-lock.json | 2 +- package.json | 2 +- 3 files changed, 3 insertions(+), 2 deletions(-) diff --git a/.npmignore b/.npmignore index b7b695d..5510319 100644 --- a/.npmignore +++ b/.npmignore @@ -1,3 +1,4 @@ +index.ts package-lock.json .gitignore tsconfig.json diff --git a/package-lock.json b/package-lock.json index 90bb525..f1f9ea3 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "react-pdftotext", - "version": "1.3.6", + "version": "1.3.8", "lockfileVersion": 3, "requires": true, "packages": { diff --git a/package.json b/package.json index ec6da3c..f0e2489 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "react-pdftotext-advanced", - "version": "1.3.7", + "version": "1.3.8", "description": "A simple light weight react package to extract plain text from a pdf file.", "main": "./dist/index.cjs", "module": "./dist/index.mjs", From 3e7762157a43df723436c0befdf46fcff24f2f0a Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Thu, 23 Jul 2026 16:20:29 -0300 Subject: [PATCH 11/15] update --- package.json | 4 ++-- tsconfig.json | 5 +++-- 2 files changed, 5 insertions(+), 4 deletions(-) diff --git a/package.json b/package.json index f0e2489..a57962d 100644 --- a/package.json +++ b/package.json @@ -2,8 +2,8 @@ "name": "react-pdftotext-advanced", "version": "1.3.8", "description": "A simple light weight react package to extract plain text from a pdf file.", - "main": "./dist/index.cjs", - "module": "./dist/index.mjs", + "main": "./dist/index.js", + "module": "./dist/index.js", "types": "dist/index.d.ts", "exports": { ".": { diff --git a/tsconfig.json b/tsconfig.json index 6777d45..7e9c84c 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -6,11 +6,12 @@ "outDir": "dist", "esModuleInterop": true, "isolatedModules": true, - "module": "NodeNext", "skipLibCheck": true, + "module": "ESNext", // Generará "export default" en vez de "exports.default" + "moduleResolution": "Node", + "target": "ES2020" // This matches the TypeScript target used by react-pdf: // https://github.com/wojtekmaj/react-pdf/blob/main/packages/react-pdf/tsconfig.json - "target": "ES2015" } } \ No newline at end of file From 7fa9f09c1b38f350b83077f8896a7d1db19289d6 Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Thu, 23 Jul 2026 16:31:12 -0300 Subject: [PATCH 12/15] update: export --- package.json | 6 +++--- tsconfig.json | 15 ++++++--------- 2 files changed, 9 insertions(+), 12 deletions(-) diff --git a/package.json b/package.json index a57962d..1385146 100644 --- a/package.json +++ b/package.json @@ -3,12 +3,12 @@ "version": "1.3.8", "description": "A simple light weight react package to extract plain text from a pdf file.", "main": "./dist/index.js", - "module": "./dist/index.js", "types": "dist/index.d.ts", + "type": "module", "exports": { ".": { - "import": "./dist/index.mjs", - "require": "./dist/index.cjs" + "types": "./dist/index.d.ts", + "import": "./dist/index.js" } }, "scripts": { diff --git a/tsconfig.json b/tsconfig.json index 7e9c84c..ff3efd3 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -2,16 +2,13 @@ "files": ["index.ts"], "compilerOptions": { "allowJs": true, - "declaration": true, "outDir": "dist", - "esModuleInterop": true, "isolatedModules": true, "skipLibCheck": true, - "module": "ESNext", // Generará "export default" en vez de "exports.default" - "moduleResolution": "Node", - "target": "ES2020" - - // This matches the TypeScript target used by react-pdf: - // https://github.com/wojtekmaj/react-pdf/blob/main/packages/react-pdf/tsconfig.json - } + "target": "ES2020", + "module": "ESNext", + "declaration": true, + "esModuleInterop": true + }, + "include": ["src/**/*", "index.ts", "aux-funcitons.ts"] } \ No newline at end of file From 5e6705f654d5218ffdc0d4bab20aa59412c03c9b Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Thu, 23 Jul 2026 16:31:33 -0300 Subject: [PATCH 13/15] update: version --- package-lock.json | 2 +- package.json | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/package-lock.json b/package-lock.json index f1f9ea3..a7b71b6 100644 --- a/package-lock.json +++ b/package-lock.json @@ -1,6 +1,6 @@ { "name": "react-pdftotext", - "version": "1.3.8", + "version": "1.3.9", "lockfileVersion": 3, "requires": true, "packages": { diff --git a/package.json b/package.json index 1385146..658df14 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "react-pdftotext-advanced", - "version": "1.3.8", + "version": "1.3.9", "description": "A simple light weight react package to extract plain text from a pdf file.", "main": "./dist/index.js", "types": "dist/index.d.ts", From 9ef7b009b87539f841c339322c5688758c8e2462 Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Thu, 23 Jul 2026 16:33:17 -0300 Subject: [PATCH 14/15] update: tsconfig --- tsconfig.json | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/tsconfig.json b/tsconfig.json index ff3efd3..c658171 100644 --- a/tsconfig.json +++ b/tsconfig.json @@ -4,11 +4,12 @@ "allowJs": true, "outDir": "dist", "isolatedModules": true, - "skipLibCheck": true, "target": "ES2020", "module": "ESNext", "declaration": true, - "esModuleInterop": true + "esModuleInterop": true, + "moduleResolution": "Node", + "skipLibCheck": true, }, "include": ["src/**/*", "index.ts", "aux-funcitons.ts"] } \ No newline at end of file From fd94ea5845532864b23a4e9435c97f39e28e4831 Mon Sep 17 00:00:00 2001 From: Javier Bagatoli Date: Fri, 24 Jul 2026 00:36:25 -0300 Subject: [PATCH 15/15] update: readme --- README.md | 197 +++++++++++++++++++++++++++++++++++++++++------------- 1 file changed, 149 insertions(+), 48 deletions(-) diff --git a/README.md b/README.md index 60047bc..4d1f54e 100644 --- a/README.md +++ b/README.md @@ -1,73 +1,174 @@ # react-pdftotext-advanced -This is a library based on "react-pdftotext" that aims to format text for readability without requiring extensive coding. +A browser-based PDF text extraction library that preserves the original reading experience by reconstructing paragraphs and page breaks. -This version separates paragraph and page endings, taking into account expected spacing and page breaks. +Unlike the original `react-pdftotext`, which returns a continuous stream of text, **react-pdftotext-advanced** analyzes the extracted content to preserve paragraph separation and page spacing, producing text that is much closer to the original document. -## Installing +## Why? -Using npm: +Most browser PDF extraction libraries prioritize extracting text, not readability. -```js -npm install react-pdftotext-advanced +For example, a document like this: + +```text +Good morning everyone. + +How are you all? + +I hope you're well. ``` -## Example +may become: -**Local File Input** +```text +Good morning everyone.How are you all?I hope you're well. +``` -Now add a input tag with type="file" to take file input. +With **react-pdftotext-advanced**, the output becomes: -```html - +```text +Good morning everyone. + +How are you all? + +I hope you're well. ``` -Import the pdf2text function from package +This makes the extracted text much easier to: -```ts -//simple mode -//input text -//Good morning everyone. -// -//How are you all? -// -//I hope you're well. +- Read +- Display +- Process with AI models (LLMs) +- Index +- Summarize +- Search + +--- + +# Features + +- Preserves paragraph separation. +- Detects page endings. +- Produces human-readable output. +- Runs entirely in the browser. +- No backend required. +- Promise-based API. +- Easy integration with React applications. + +--- + +# Installation + +```bash +npm install react-pdftotext-advanced +``` + +--- + +# Basic Usage + +```tsx import pdfToText from "react-pdftotext-advanced"; function extractText(event) { - const file = event.target.files[0]; - selectModeToExtract(file, 'simple') - .then((text) => console.log(text)) - .catch((error) => console.error("Failed to extract text from pdf")); + const file = event.target.files[0]; + + pdfToText(file, "advanced") + .then((text) => console.log(text)) + .catch((error) => console.error(error)); } -//output -// Good morning everyone.How are you all?I hope you're well. ``` +```html + +``` + +--- + +# Extraction Modes + +## Simple + +Returns the text using the original extraction behavior. + ```ts -//Advanced mode -//input text -//Good morning everyone. -// -//How are you all? -// -//I hope you're well. -import pdfToText from "react-pdftotext-advanced"; +pdfToText(file, "simple"); +``` -function extractText(event) { - const file = event.target.files[0]; - selectModeToExtract(file, 'advanced') - .then((text) => console.log(text)) - .catch((error) => console.error("Failed to extract text from pdf")); -} -//output -//Good morning everyone. -// -//How are you all? -// -//I hope you're well. +Output + +```text +Good morning everyone.How are you all?I hope you're well. +``` + +--- + +## Advanced + +Reconstructs paragraph breaks and page spacing for improved readability. + +```ts +pdfToText(file, "advanced"); +``` + +Output + +```text +Good morning everyone. + +How are you all? + +I hope you're well. ``` -## Contributing +--- + +# Use Cases + +This library is particularly useful for: + +- Reading letters and documents +- AI preprocessing (LLMs) +- Retrieval-Augmented Generation (RAG) +- Search indexing +- Document summarization +- PDF viewers +- Educational platforms + +--- + +# How It Works + +After extracting the raw text from the PDF, the library analyzes spacing and page transitions to reconstruct the document's logical reading order. + +Instead of returning a continuous stream of text, it attempts to preserve the visual structure that a reader expects. + +--- + +# Browser Support + +Supports modern browsers that are compatible with PDF.js. + +--- + +# Credits + +This project is based on the excellent work of **react-pdftotext** and extends its functionality by improving the readability of the extracted text. + +--- + +# Contributing + +Contributions, bug reports and feature requests are always welcome. + +If you have ideas for improving text reconstruction or supporting additional document layouts, feel free to open an issue or submit a pull request. + +--- + +# License -This project welcomes contributions and suggestions. +MIT \ No newline at end of file