PdfTextExtract

Author: akshayp7

README.md

@@ -56,6 +56,8 @@ Bonus:
 - Supports PostgresSQL using 'pg' module.
 - Supports Excel File Read/Write using 'excel-js' module.
 - Converts HTML Reports to Zip format which can shared across.
+- Extracts Text from PDF files.
+- Shows Page performance using Lighthouse Library.
 
 ### Built With
 
@@ -67,6 +69,7 @@ Bonus:
 - [ESLint](https://eslint.org/)
 - [SonarQube](https://www.sonarqube.org/)
 - [Lighthouse](https://developers.google.com/web/tools/lighthouse)
+- [pdfjs-dist-es5](https://www.npmjs.com/package/pdfjs-dist-es5)
 
 ## Getting Started
 
@@ -225,6 +228,7 @@ Once logger object is created you can use this instead of console.log in your fr
 ```JS
 npx cross-env ENV=qa npm run test:ui
 ```
+24. For Extracting text from PDF we are using `pdfjs-dist-es5` library. You can run the test case `PdfToText.test.ts` to verify contents of PDF file. `getPDFText()` method in `lib/WebActions.ts` class is used for extracting text from PDF file.
 
 ## Reports
 

lib/WebActions.ts

@@ -4,6 +4,7 @@ import type { Page } from '@playwright/test';
 import { BrowserContext, expect } from '@playwright/test';
 import { Workbook } from 'exceljs';
 import { testConfig } from '../testConfig';
+import * as pdfjslib from 'pdfjs-dist-es5';
 
 export class WebActions {
     readonly page: Page;
@@ -54,4 +55,23 @@ export class WebActions {
                 throw error;
         });
     }
+
+    async getPdfPageText(pdf: any, pageNo: number) {
+        const page = await pdf.getPage(pageNo);
+        const tokenizedText = await page.getTextContent();
+        const pageText = tokenizedText.items.map((token: any) => token.str).join('');
+        return pageText;
+    }
+
+    async getPDFText(filePath: any): Promise<string> {
+        const dataBuffer = fs.readFileSync(filePath);
+        const pdf = await pdfjslib.getDocument(dataBuffer).promise;
+        const maxPages = pdf.numPages;
+        const pageTextPromises = [];
+        for (let pageNo = 1; pageNo <= maxPages; pageNo += 1) {
+          pageTextPromises.push(this.getPdfPageText(pdf, pageNo));
+        }
+        const pageTexts = await Promise.all(pageTextPromises);
+        return pageTexts.join(' ');
+      }
 }