Ran linter on examples

Author: Balearica

benchmarks/node/speed-benchmark.js

@@ -1,23 +1,28 @@
 #!/usr/bin/env node
 const path = require('path');
-const { createWorker } = require('../../');
+const { createWorker } = require('../..');
 
 (async () => {
   const worker = await createWorker();
-  const fileArr = ["../data/meditations.jpg", "../data/tyger.jpg", "../data/testocr.png"];
+  const fileArr = [
+    path.join(__dirname, '..', 'data', 'meditations.jpg'),
+    path.join(__dirname, '..', 'data', 'tyger.jpg'),
+    path.join(__dirname, '..', 'data', 'testocr.png'),
+  ];
   let timeTotal = 0;
-  for (let file of fileArr) {
-      let time1 = Date.now();
-      for (let i=0; i < 10; i++) {
-          await worker.recognize(file)
-      }
-      let time2 = Date.now();
-      const timeDif = (time2 - time1) / 1e3;
-      timeTotal += timeDif;
-
-      console.log(file + " [x10] runtime: " + timeDif + "s");
+  for (const file of fileArr) {
+    const time1 = Date.now();
+    for (let i = 0; i < 10; i++) {
+      // eslint-disable-next-line no-await-in-loop
+      await worker.recognize(file);
     }
-console.log("Total runtime: " + timeTotal + "s");
+    const time2 = Date.now();
+    const timeDif = (time2 - time1) / 1e3;
+    timeTotal += timeDif;
+
+    console.log(`${file} [x10] runtime: ${timeDif}s`);
+  }
+  console.log(`Total runtime: ${timeTotal}s`);
 
-await worker.terminate();
+  await worker.terminate();
 })();

examples/node/download-pdf.js

@@ -1,7 +1,7 @@
 #!/usr/bin/env node
 const path = require('path');
 const fs = require('fs');
-const { createWorker } = require('../../');
+const { createWorker } = require('../..');
 
 const [,, imagePath] = process.argv;
 const image = path.resolve(__dirname, (imagePath || '../../tests/assets/images/cosmic.png'));
@@ -10,7 +10,7 @@ console.log(`Recognizing ${image}`);
 
 (async () => {
   const worker = await createWorker();
-  const { data: { text, pdf } } = await worker.recognize(image, {pdfTitle: "Example PDF"}, {pdf: true});
+  const { data: { text, pdf } } = await worker.recognize(image, { pdfTitle: 'Example PDF' }, { pdf: true });
   console.log(text);
   fs.writeFileSync('tesseract-ocr-result.pdf', Buffer.from(pdf));
   console.log('Generate PDF: tesseract-ocr-result.pdf');

examples/node/image-processing.js

@@ -1,28 +1,29 @@
 #!/usr/bin/env node
 const path = require('path');
 const fs = require('fs');
-const { createWorker } = require('../../');
+const { createWorker } = require('../..');
 
 const [,, imagePath] = process.argv;
 const image = path.resolve(__dirname, (imagePath || '../data/meditations.jpg'));
 
 console.log(`Recognizing ${image}`);
 
-// Tesseract.js returns images (imageColor, imageGrey, imageBinary) as strings 
+// Tesseract.js returns images (imageColor, imageGrey, imageBinary) as strings
 // to be used as source tags.
-// This function converts to Uint8Array data for saving to disk. 
+// This function converts to Uint8Array data for saving to disk.
 const convertImage = (imageSrc) => {
   const data = atob(imageSrc.split(',')[1])
-        .split('')
-        .map((c) => c.charCodeAt(0));
+    .split('')
+    .map((c) => c.charCodeAt(0));
 
   return new Uint8Array(data);
-}
+};
 
 (async () => {
   const worker = await createWorker();
-  const { data: { imageColor, imageGrey, imageBinary } } = await worker.recognize(image, {rotateAuto: true}, {imageColor: true, imageGrey: true, imageBinary: true});
-  
+  const { data: { imageColor, imageGrey, imageBinary } } = await worker.recognize(image,
+    { rotateAuto: true }, { imageColor: true, imageGrey: true, imageBinary: true });
+
   console.log('Saving intermediate images: imageColor.png, imageGrey.png, imageBinary.png');
 
   fs.writeFileSync('imageColor.png', convertImage(imageColor));

examples/node/recognize.js

@@ -1,16 +1,16 @@
 #!/usr/bin/env node
 const path = require('path');
-const { createWorker } = require('../../');
+const { createWorker } = require('../..');
 
 const [,, imagePath] = process.argv;
 const image = path.resolve(__dirname, (imagePath || '../../tests/assets/images/cosmic.png'));
 
 console.log(`Recognizing ${image}`);
 
 (async () => {
-  const worker = await createWorker("eng", 1, {
-    logger: m => console.log(m),
-  });  
+  const worker = await createWorker('eng', 1, {
+    logger: (m) => console.log(m),
+  });
   const { data: { text } } = await worker.recognize(image);
   console.log(text);
   await worker.terminate();

examples/node/scheduler.js

@@ -1,10 +1,11 @@
-const { createWorker, createScheduler } = require('../../');
 const path = require('path');
+const { createWorker, createScheduler } = require('../..');
+
 const [,, imagePath] = process.argv;
 
-// Note: This example recognizes the same image 4 times in parallel 
+// Note: This example recognizes the same image 4 times in parallel
 // to show how schedulers can be used to speed up bulk jobs.
-// In actual use you would (obviously) not want to run multiple identical jobs. 
+// In actual use you would (obviously) not want to run multiple identical jobs.
 
 const image = path.resolve(__dirname, (imagePath || '../../tests/assets/images/cosmic.png'));
 const imageArr = [image, image, image, image];
@@ -13,14 +14,14 @@ const scheduler = createScheduler();
 
 // Creates worker and adds to scheduler
 const workerGen = async () => {
-  const worker = await createWorker("eng", 1, {cachePath: "."});
+  const worker = await createWorker('eng', 1, { cachePath: '.' });
   scheduler.addWorker(worker);
-}
+};
 
 const workerN = 4;
 (async () => {
   const resArr = Array(workerN);
-  for (let i=0; i<workerN; i++) {
+  for (let i = 0; i < workerN; i++) {
     resArr[i] = workerGen();
   }
   await Promise.all(resArr);
@@ -34,4 +35,4 @@ const workerN = 4;
   await Promise.all(resArr2);
 
   await scheduler.terminate(); // It also terminates all workers.
-})();
+})();