Add files via upload

index.js

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+#!/usr/bin/env node
+const program = require("commander");
+const chalk = require("chalk");
+const clipboardy = require("clipboardy");
+const createPassword = require("./utils/createPassword");
+const savePassword = require("./utils/savePassword");
+
+program.version("1.0.0").description("Simple Password Generator");
+
+// program
+//   .command("generate")
+//   .action(() => {
+//     console.log("Generated");
+//   })
+//   .parse();
+
+/*
+Adding options (command, description)
+ program.option("-l, --length", "length of password").parse();
+*/
+
+// If we also want the value with the options such as length value
+// program.option("-l, --length <number>", "length of password").parse();
+
+// Set a default value to the value of length, let's say = 8
+// program.option("-l, --length <number>", "length of password", "8").parse();
+
+// If we want to save the value and more such commands
+program
+  .option("-l, --length <number>", "length of password", "8")
+  .option("-s, --save", "Save Password to passwords.txt")
+  .option("-nn, --no-numbers", "Remove numbers")
+  .option("-ns, --no-symbols", "Remove symbols")
+  .parse();
+
+// Get the value - print it
+// console.log(program.opts());
+
+const { length, save, numbers, symbols } = program.opts();
+
+// Get generated Password
+const generatePassword = createPassword(length, numbers, symbols);
+
+// Save to file
+if (save) {
+  savePassword(generatePassword);
+}
+
+// Copy to Clipboard
+clipboardy.writeSync(generatePassword);
+
+// Output Generated Password
+console.log(chalk.blue("Generated Password: ") + chalk.bold(generatePassword));
+console.log(chalk.yellow("Password Copied to Clipboard"));

package.json

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+{
+  "name": "passgen",
+  "version": "1.0.0",
+  "description": "Password Generator",
+  "main": "index.js",
+  "preferGlobal": true,
+  "bin": "./index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Mayank Agarwal",
+  "license": "ISC",
+  "dependencies": {
+    "chalk": "^4.1.2",
+    "clipboardy": "^2.3.0",
+    "commander": "^8.2.0"
+  }
+}

passwords.txt

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++S2%pV^2
+H_ltMjWZ%%5vb5W70SER
+qqLR+b_-XCLBv%DOsULJ
+UOgCMawa3hGM7He1KkUm
+KHqAbNyexfySjmlxDaEo

utils/createPassword.js

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+const alpha = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+const numbers = "0123456789";
+const symbols = "!@#$%^&*_-+=";
+
+const createPassword = (length = 8, hasNumbers = true, hasSymbols = true) => {
+  let chars = alpha;
+  hasNumbers ? (chars += numbers) : "";
+  hasSymbols ? (chars += symbols) : "";
+  return generatePassword(length, chars);
+};
+
+const generatePassword = (length, chars) => {
+  let password = "";
+  for (let i = 0; i < length; i++) {
+    password += chars.charAt(Math.floor(Math.random() * chars.length));
+  }
+  return password;
+};
+
+module.exports = createPassword;

utils/savePassword.js

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+const fs = require("fs");
+const path = require("path");
+const os = require("os");
+const chalk = require("chalk");
+
+const savePassword = (password) => {
+  // 'a' means that we have to append to the existing data
+  // 666 is the permission
+  fs.open(path.join(__dirname, "../", "passwords.txt"), "a", 666, (e, id) => {
+    // EOL - End of Line, same as "\n" for the new line character
+    fs.write(id, password + os.EOL, null, "utf-8", () => {
+      fs.close(id, () => {
+        console.log(chalk.green("Password saved to Passwords.txt"));
+      });
+    });
+  });
+};
+
+module.exports = savePassword;