2.0.16

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@pushrocks/smartpdf",
-  "version": "2.0.10",
+  "version": "2.0.16",
   "private": false,
   "description": "create pdfs on the fly",
   "main": "dist_ts/index.js",
@@ -14,21 +14,22 @@
   "devDependencies": {
     "@gitzone/tsbuild": "^2.1.28",
     "@gitzone/tsrun": "^1.2.18",
-    "@gitzone/tstest": "^1.0.59",
+    "@gitzone/tstest": "^1.0.60",
-    "@pushrocks/tapbundle": "^3.2.14",
+    "@pushrocks/tapbundle": "^3.2.15",
-    "@types/node": "^16.10.5",
+    "@types/node": "^17.0.8",
     "tslint": "^6.1.3",
     "tslint-config-prettier": "^1.18.0"
   },
   "dependencies": {
-    "@pushrocks/smartfile": "^8.0.10",
+    "@pushrocks/smartfile": "^9.0.5",
     "@pushrocks/smartnetwork": "^2.0.10",
     "@pushrocks/smartpromise": "^3.1.6",
-    "@pushrocks/smartpuppeteer": "^1.0.27",
+    "@pushrocks/smartpuppeteer": "^1.0.36",
     "@pushrocks/smartunique": "^3.0.3",
     "@types/express": "^4.17.13",
-    "express": "^4.17.1",
+    "express": "^4.17.2",
-    "pdf-merger-js": "^3.2.1"
+    "pdf-merger-js": "^3.2.1",
+    "pdf2json": "^2.0.0"
   },
   "files": [
     "ts/**/*",

test/test.ts

@@ -16,6 +16,10 @@ tap.test('should create a pdf from html string', async () => {
   await testSmartPdf.getPdfResultForHtmlString('hi');
 });
 
+tap.test('should create a pdf from html string', async () => {
+  await testSmartPdf.getPdfResultForHtmlString('hi');
+});
+
 tap.test('should create a pdf from website as A4', async () => {
   await testSmartPdf.getPdfResultForWebsite('https://www.wikipedia.org');
 });
@@ -36,7 +40,7 @@ tap.test('should create a valid PDFResult', async () => {
     fs.writeFileSync(`.nogit/${fileName}`, pdfResult.buffer);
   };
   await writePDfToDisk('https://maintainedby.lossless.com/', '1.pdf')
-  await writePDfToDisk('https://lossless.com/', '2.pdf')
+  await writePDfToDisk('https://rendertron.lossless.one/render/https://lossless.com', '2.pdf')
 });
 
 tap.test('should combine pdfs', async () => {

ts/interfaces/interface.pdfresult.ts

@@ -1,5 +1,8 @@
 export interface IPdfResult {
   name: string;
   id: string;
+  metadata: {
+    textExtraction: string;
+  };
   buffer: Buffer;
 }

ts/smartpdf.classes.smartpdf.ts

@@ -68,6 +68,10 @@ export class SmartPdf {
     const pdfCandidate = new PdfCandidate(htmlStringArg);
     this._candidates[pdfCandidate.pdfId] = pdfCandidate;
     const page = await this.headlessBrowser.newPage();
+    await page.setViewport({
+      width: 794,
+      height: 1122,
+    });
     const response = await page.goto(`http://localhost:3210/${pdfCandidate.pdfId}`, {
       waitUntil: 'networkidle2',
     });
@@ -92,6 +96,9 @@ export class SmartPdf {
     return {
       id: pdfCandidate.pdfId,
       name: `${pdfCandidate.pdfId}.js`,
+      metadata: {
+        textExtraction: await this.extractTextFromPdfBuffer(pdfBuffer),
+      },
       buffer: pdfBuffer,
     };
   }
@@ -119,11 +126,14 @@ export class SmartPdf {
     return {
       id: pdfId,
       name: `${pdfId}.js`,
+      metadata: {
+        textExtraction: await this.extractTextFromPdfBuffer(pdfBuffer),
+      },
       buffer: pdfBuffer,
     };
   }
 
-  async getFullWebsiteAsSinglePdf(websiteUrl: string) {
+  async getFullWebsiteAsSinglePdf(websiteUrl: string): Promise<interfaces.IPdfResult> {
     const page = await this.headlessBrowser.newPage();
     page.emulateMediaType('screen');
     const response = await page.goto(websiteUrl, { waitUntil: 'networkidle2' });
@@ -146,6 +156,9 @@ export class SmartPdf {
     return {
       id: pdfId,
       name: `${pdfId}.js`,
+      metadata: {
+        textExtraction: await this.extractTextFromPdfBuffer(pdfBuffer),
+      },
       buffer: pdfBuffer,
     };
   }
@@ -157,4 +170,23 @@ export class SmartPdf {
     }
     return merger.saveAsBuffer();
   }
+
+  public async extractTextFromPdfBuffer(pdfBufferArg: Buffer): Promise<string> {
+    const deferred = plugins.smartpromise.defer<string>();
+    const pdfParser: any = new plugins.pdf2json();
+    pdfParser.on('pdfParser_dataReady', (pdfData: any) => {
+      let finalText = ''
+      for (const page of pdfData.Pages) {
+        for(const text of page.Texts) {
+          for (const letter of text.R) {
+            finalText = finalText + letter.T;
+          }
+          
+        };
+      }
+      deferred.resolve(finalText);
+    });
+    pdfParser.parseBuffer(pdfBufferArg);
+    return deferred.promise;
+  }
 }

ts/smartpdf.plugins.ts

@@ -15,6 +15,8 @@ export { smartfile, smartpromise, smartpuppeteer, smartunique, smartnetwork };
 
 // thirdparty
 import pdfMerger from 'pdf-merger-js';
+// @ts-ignore
+import pdf2json from 'pdf2json';
 import express from 'express';
 
-export { pdfMerger, express };
+export { pdfMerger, pdf2json, express };