2026-09-23 14:08:34 +02:00
parent 408b0baae6
commit 7f7d3806b2
14 changed files with 346 additions and 0 deletions
@@ -0,0 +1,4 @@
+name, category, price
+Klingon Letter Opener, Office Warfare, 19.99
+Backpack of Holding, Travel, 29.99
+Tardis Alarmclock, Merchandise, 15.99
@@ -0,0 +1,30 @@
+// fs = FileSystem Modul aus der Node Standardbib (core)
+// const fs = require('node:fs'); // commonjs Schreibweise
+// const color = require('chalk');
+import fs from 'node:fs'; // module  - ESM Schreibweise
+import color from 'chalk';
+
+// Funktion mit einem asynchronen Prozess
+const getContentBy = (path = '', encoding = 'utf-8') => {
+  return new Promise((resolve, reject) => {
+    // async process
+    fs.readFile(path, encoding, (error, data) => {
+      if (error) {
+        // console.error(error);
+        reject(error);
+      }
+
+      // console.log(data);
+      resolve(data);
+    });
+  });
+};
+
+// Funktionsaufruf einer Funktion mit asynchronem Prozess
+getContentBy('./data/products.csv')
+  .then((data) => {
+    console.log(color.yellow(data));
+  })
+  .catch((err) => {
+    console.error(color.red(err));
+  });
@@ -0,0 +1,27 @@
+{
+  "name": "05_promise-readfile",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "05_promise-readfile",
+      "version": "1.0.0",
+      "dependencies": {
+        "chalk": "^6.0.0"
+      }
+    },
+    "node_modules/chalk": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-6.0.0.tgz",
+      "integrity": "sha512-2uNTXIuTTxk7ciZgAU1BQcgnchcG0xXnrs6jzkQfj9SsRa9M2s5zE8WT96hS6KmG4MzWHSrvH43DF1m4XRkrFg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=22"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
+      }
+    }
+  }
+}
@@ -0,0 +1,14 @@
+{
+  "name": "05_promise-readfile",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "type": "module",
+  "dependencies": {
+    "chalk": "^6.0.0"
+  }
+}
@@ -0,0 +1,28 @@
+// commonjs Schreibweise
+const fs = require('node:fs'); // commonjs Schreibweise
+const color = require('chalk');
+
+// Funktion mit einem asynchronen Prozess
+const getContentBy = (path = '', encoding = 'utf-8') => {
+  return new Promise((resolve, reject) => {
+    // async process
+    fs.readFile(path, encoding, (error, data) => {
+      if (error) {
+        // console.error(error);
+        reject(error);
+      }
+
+      // console.log(data);
+      resolve(data);
+    });
+  });
+};
+
+// Funktionsaufruf einer Funktion mit asynchronem Prozess
+getContentBy('./package.json')
+  .then((data) => {
+    console.log(color.yellow(data));
+  })
+  .catch((err) => {
+    console.error(color.red(err));
+  });
@@ -0,0 +1,85 @@
+{
+  "name": "commonjs",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "commonjs",
+      "version": "1.0.0",
+      "dependencies": {
+        "chalk": "^4.1.2"
+      }
+    },
+    "node_modules/ansi-styles": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-4.3.0.tgz",
+      "integrity": "sha512-zbB9rCJAT1rbjiVDb2hqKFHNYLxgtk8NURxZ3IZwD3F6NtxbXZQCnnSi1Lkx+IDohdPlFp222wVALIheZJQSEg==",
+      "license": "MIT",
+      "dependencies": {
+        "color-convert": "^2.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/ansi-styles?sponsor=1"
+      }
+    },
+    "node_modules/chalk": {
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-4.1.2.tgz",
+      "integrity": "sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==",
+      "license": "MIT",
+      "dependencies": {
+        "ansi-styles": "^4.1.0",
+        "supports-color": "^7.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
+      }
+    },
+    "node_modules/color-convert": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-2.0.1.tgz",
+      "integrity": "sha512-RRECPsj7iu/xb5oKYcsFHSppFNnsj/52OVTRKb4zP5onXwVF3zVmmToNcOfGC+CRDpfK/U584fMg38ZHCaElKQ==",
+      "license": "MIT",
+      "dependencies": {
+        "color-name": "~1.1.4"
+      },
+      "engines": {
+        "node": ">=7.0.0"
+      }
+    },
+    "node_modules/color-name": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.4.tgz",
+      "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA==",
+      "license": "MIT"
+    },
+    "node_modules/has-flag": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+      "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/supports-color": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+      "license": "MIT",
+      "dependencies": {
+        "has-flag": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    }
+  }
+}
@@ -0,0 +1,14 @@
+{
+  "name": "commonjs",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "type": "commonjs",
+  "dependencies": {
+    "chalk": "^4.1.2"
+  }
+}
@@ -0,0 +1,28 @@
+// module Schreibweise
+import fs from 'node:fs';
+import color from 'chalk';
+
+// Funktion mit einem asynchronen Prozess
+const getContentBy = (path = '', encoding = 'utf-8') => {
+  return new Promise((resolve, reject) => {
+    // async process
+    fs.readFile(path, encoding, (error, data) => {
+      if (error) {
+        // console.error(error);
+        reject(error);
+      }
+
+      // console.log(data);
+      resolve(data);
+    });
+  });
+};
+
+// Funktionsaufruf einer Funktion mit asynchronem Prozess
+getContentBy('./package.json')
+  .then((data) => {
+    console.log(color.yellow(data));
+  })
+  .catch((err) => {
+    console.error(color.red(err));
+  });
@@ -0,0 +1,27 @@
+{
+  "name": "module",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "module",
+      "version": "1.0.0",
+      "dependencies": {
+        "chalk": "^6.0.0"
+      }
+    },
+    "node_modules/chalk": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-6.0.0.tgz",
+      "integrity": "sha512-2uNTXIuTTxk7ciZgAU1BQcgnchcG0xXnrs6jzkQfj9SsRa9M2s5zE8WT96hS6KmG4MzWHSrvH43DF1m4XRkrFg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=22"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
+      }
+    }
+  }
+}
@@ -0,0 +1,14 @@
+{
+  "name": "module",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "type": "module",
+  "dependencies": {
+    "chalk": "^6.0.0"
+  }
+}
@@ -0,0 +1,4 @@
+name, category, price
+Klingon Letter Opener, Office Warfare, 19.99
+Backpack of Holding, Travel, 29.99
+Tardis Alarmclock, Merchandise, 15.99
@@ -0,0 +1,30 @@
+// fs = FileSystem Modul aus der Node Standardbib (core)
+// const fs = require('node:fs'); // commonjs Schreibweise
+// const color = require('chalk');
+import fs from 'node:fs'; // module  - ESM Schreibweise
+import color from 'chalk';
+
+// Funktion mit einem asynchronen Prozess
+const getContentBy = (path = '', encoding = 'utf-8') => {
+  return new Promise((resolve, reject) => {
+    // async process
+    fs.readFile(path, encoding, (error, data) => {
+      if (error) {
+        // console.error(error);
+        reject(error);
+      }
+
+      // console.log(data);
+      resolve(data);
+    });
+  });
+};
+
+// Funktionsaufruf einer Funktion mit asynchronem Prozess
+getContentBy('./data/products.csv')
+  .then((data) => {
+    console.log(color.yellow(data));
+  })
+  .catch((err) => {
+    console.error(color.red(err));
+  });
@@ -0,0 +1,27 @@
+{
+  "name": "05_promise-readfile",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "05_promise-readfile",
+      "version": "1.0.0",
+      "dependencies": {
+        "chalk": "^6.0.0"
+      }
+    },
+    "node_modules/chalk": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-6.0.0.tgz",
+      "integrity": "sha512-2uNTXIuTTxk7ciZgAU1BQcgnchcG0xXnrs6jzkQfj9SsRa9M2s5zE8WT96hS6KmG4MzWHSrvH43DF1m4XRkrFg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=22"
+      },
+      "funding": {
+        "url": "https://github.com/chalk/chalk?sponsor=1"
+      }
+    }
+  }
+}
@@ -0,0 +1,14 @@
+{
+  "name": "05_promise-readfile",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "type": "module",
+  "dependencies": {
+    "chalk": "^6.0.0"
+  }
+}