feat: added 03_dom

02_advanced/uebungen/u26_csv-quotes2/index-andreas.js

@@ -0,0 +1,58 @@
+import fs from 'node:fs';
+import color from 'chalk';
+
+const data = fs.readFileSync('data/products.csv', 'utf-8');
+const productAr = data.split('\n').map((row) => row.replace('\n', ''));
+const headerAr = productAr.shift().split(/\s*,\s*/);
+
+console.log(productAr);
+
+// console.log(headerAr);
+// console.log('=======');
+// console.log(productAr);
+
+const convertCsvToJson = (products, headerAr) => {
+  let jsonStr = '[\n';
+
+  products.forEach((row, idxRow) => {
+    jsonStr += '  {\n';
+    row
+      .trim()
+      .split(',')
+      .forEach((elem, idxElem, ar) => {
+        if (ar.length === idxElem + 1) {
+          if (isNaN(elem)) {
+            jsonStr += `    "${headerAr[idxElem]}": "${elem}"\n`;
+          } else {
+            jsonStr += `    "${headerAr[idxElem]}": ${Number(elem)}\n`;
+          }
+        } else {
+          if (isNaN(elem)) {
+            jsonStr += `    "${headerAr[idxElem]}": "${elem}",\n`;
+          } else {
+            jsonStr += `    "${headerAr[idxElem]}": ${Number(elem)},\n`;
+          }
+        }
+      });
+
+    if (products.length === idxRow + 1) {
+      jsonStr += `  }\n`;
+    } else {
+      jsonStr += `  },\n`;
+    }
+  });
+
+  jsonStr += ']';
+
+  console.log(color.yellow(`${jsonStr}`));
+
+  fs.writeFile('products.json', jsonStr, 'utf-8', (err) => {
+    if (err) {
+      console.log(err);
+    } else {
+      console.log(color.green('file created!'));
+    }
+  });
+};
+
+convertCsvToJson(productAr, headerAr);