feat: added 03_dom

02_advanced/uebungen/u26_csv-quotes2/data/csvDatei.csv

@@ -0,0 +1 @@
+"very big, soft computer mouse","the cutest peripheral ever",10,39.90

02_advanced/uebungen/u26_csv-quotes2/data/products.csv

@@ -0,0 +1,11 @@
+Code,Short Description,Tagline,Quantity,Price
+MUG0007,coffee mug with LCD level indicator,never again reach for the empty mug,20,49.90
+MUG0013,coffee mug with bluetooth-connected coffee grounds scanner for automatized fortune telling,put the smart into coffee reading,20,99.90
+OFF3145,pen with pre-warmed ink (tested on the South Pole),the pen is mightier than the cold,50,29.90
+COM1001,ambidextrous computer mouse,end the dictate of left and right,10,19.90
+COM0404,Easter egg themed webcam for your monitor,put an Easter egg on hardware too,20,149.90
+COM0001,Vulcan language vi cheatsheet,learn vi and Vulcan at the same time,3,9.90
+COM1536,Klingon language emacs cheatsheet,learn emacs and Klingon at the same time,50,9.90
+MOB0555,smartphone case with built-in screen,never miss a message,20,39.90
+
+

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);

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

@@ -0,0 +1,21 @@
+import fs from 'node:fs';
+import papa from 'papaparse';
+
+//https://www.npmjs.com/package/papaparse
+
+const data = fs.readFileSync('data/csvDatei.csv', 'utf-8').trim();
+
+const parsed = papa.parse(data, {
+  dynamicTyping: true,
+});
+
+const dataRow = parsed.data[0];
+
+const result = {
+  name: dataRow[0],
+  description: dataRow[1],
+  quantity: dataRow[2],
+  price: dataRow[3],
+};
+
+console.log(JSON.stringify(result, null, 2));

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

@@ -0,0 +1,62 @@
+import fs from 'node:fs';
+import color from 'chalk';
+
+const data = fs.readFileSync('data/products.csv', 'utf-8');
+
+const toCamelCase = (str) => {
+  return str
+    .trim()
+    .toLowerCase()
+    .replace(/[^a-zA-Z0-9]+(.)/g, (match, chr) => chr.toUpperCase());
+};
+
+const convertCsvToJson = (products, ar) => {
+  const resultAr = products.map((str) => {
+    const fields = str.split(/\s*,\s*/);
+
+    const labels = ar.map((label, idx) => {
+      return [label, isNaN(fields[idx]) ? fields[idx] : Number(fields[idx])];
+    });
+
+    const obj = Object.fromEntries(labels);
+
+    // console.log(labels); // Entries Array
+    //console.log(obj);
+
+    return obj;
+
+    // return {
+    //   [ar[0]]: fields[0],
+    //   [ar[1]]: fields[1],
+    //   [ar[2]]: fields[2],
+    //   [ar[3]]: Number(fields[3]),
+    //   [ar[4]]: Number(fields[4]),
+    // };
+  });
+  // console.log(resultAr);
+
+  const jsonStr = JSON.stringify(resultAr, '', 2);
+
+  fs.writeFile('products.json', jsonStr, 'utf-8', (err) => {
+    if (err) {
+      console.log(err);
+    } else {
+      console.log(color.green('file created!'));
+    }
+  });
+};
+
+const productAr = data
+  .split('\n')
+  .map((row) => row.replace('\n', ''))
+  .filter((row) => row !== '');
+
+const headerAr = productAr
+  .shift()
+  .split(/\s*,\s*/)
+  .map(toCamelCase);
+
+// console.log('=======');
+// console.log(productAr);
+
+convertCsvToJson(productAr, headerAr);

02_advanced/uebungen/u26_csv-quotes2/package-lock.json

@@ -0,0 +1,35 @@
+{
+  "name": "u26_csv-quotes2",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "u26_csv-quotes2",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "chalk": "^5.6.2",
+        "papaparse": "^5.5.4"
+      }
+    },
+    "node_modules/chalk": {
+      "version": "5.6.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-5.6.2.tgz",
+      "integrity": "sha512-7NzBL0rN6fMUW+f7A6Io4h40qQlG+xGmtMxfbnH/K7TAtt8JQWVQK+6g0UXKMeVJoyV5EkkNsErQ8pVD3bLHbA==",
+      "license": "MIT",
+      "engines": {
+        "node": "^12.17.0 || ^14.13 || >=16.0.0"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
+      }
+    },
+    "node_modules/papaparse": {
+      "version": "5.5.4",
+      "resolved": "https://registry.npmjs.org/papaparse/-/papaparse-5.5.4.tgz",
+      "integrity": "sha512-SwzWD9gl/ElwYLCI0nUja1mFJzjq2D8ziShfNBa7zCHzkOozeOGDwHWQ+tvCzEZcewecWZ5U7kUopDnG+DFYEQ==",
+      "license": "MIT"
+    }
+  }
+}

02_advanced/uebungen/u26_csv-quotes2/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "u26_csv-quotes2",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "type": "module",
+  "dependencies": {
+    "chalk": "^5.6.2",
+    "papaparse": "^5.5.4"
+  }
+}

02_advanced/uebungen/u26_csv-quotes2/products.json

@@ -0,0 +1,58 @@
+[
+  {
+    "code": "MUG0007",
+    "shortDescription": "coffee mug with LCD level indicator",
+    "tagline": "never again reach for the empty mug",
+    "quantity": 20,
+    "price": 49.9
+  },
+  {
+    "code": "MUG0013",
+    "shortDescription": "coffee mug with bluetooth-connected coffee grounds scanner for automatized fortune telling",
+    "tagline": "put the smart into coffee reading",
+    "quantity": 20,
+    "price": 99.9
+  },
+  {
+    "code": "OFF3145",
+    "shortDescription": "pen with pre-warmed ink (tested on the South Pole)",
+    "tagline": "the pen is mightier than the cold",
+    "quantity": 50,
+    "price": 29.9
+  },
+  {
+    "code": "COM1001",
+    "shortDescription": "ambidextrous computer mouse",
+    "tagline": "end the dictate of left and right",
+    "quantity": 10,
+    "price": 19.9
+  },
+  {
+    "code": "COM0404",
+    "shortDescription": "Easter egg themed webcam for your monitor",
+    "tagline": "put an Easter egg on hardware too",
+    "quantity": 20,
+    "price": 149.9
+  },
+  {
+    "code": "COM0001",
+    "shortDescription": "Vulcan language vi cheatsheet",
+    "tagline": "learn vi and Vulcan at the same time",
+    "quantity": 3,
+    "price": 9.9
+  },
+  {
+    "code": "COM1536",
+    "shortDescription": "Klingon language emacs cheatsheet",
+    "tagline": "learn emacs and Klingon at the same time",
+    "quantity": 50,
+    "price": 9.9
+  },
+  {
+    "code": "MOB0555",
+    "shortDescription": "smartphone case with built-in screen",
+    "tagline": "never miss a message",
+    "quantity": 20,
+    "price": 39.9
+  }
+]