Added ctree.js 📥

src/ctree.js

@@ -0,0 +1,174 @@
+/**
+ * Generates a colored Christmas tree with ANSI colors.
+ *
+ * @returns {string} The colored output string.
+ */
+export default function ctree() {
+  /**
+   * Represents an RGB color.
+   *
+   * @constructor
+   * @param {number} r - The red component (0-255).
+   * @param {number} g - The green component (0-255).
+   * @param {number} b - The blue component (0-255).
+   */
+  class Color {
+    constructor(r, g, b) {
+      this.r = r;
+      this.g = g;
+      this.b = b;
+    }
+
+    /**
+     * Converts the color to an ANSI escape code for foreground color.
+     *
+     * @returns {string} The ANSI escape code.
+     */
+    toAnsi() {
+      return `\x1b[38;2;${this.r};${this.g};${this.b}m`;
+    }
+
+    /**
+     * Resets the ANSI formatting to default.
+     *
+     * @returns {string} The ANSI reset code.
+     */
+    reset() {
+      return "\x1b[0m";
+    }
+
+    /**
+     * Formats a character with the color.
+     *
+     * @param {string} char - The character to format.
+     * @returns {string} The formatted string with color.
+     */
+    format(char) {
+      return `${this.toAnsi()}${char}${this.reset()}`;
+    }
+  }
+
+  const yellow = new Color(255, 255, 0);
+  const green = new Color(0, 255, 0);
+  const brown = new Color(210, 105, 30);
+
+  /**
+   * Applies colors to specified characters in the input string.
+   *
+   * @param {string} base - The input string to apply colors to.
+   * @returns {string} The string with colors applied.
+   */
+  function applyColors(base) {
+    let applied = base;
+
+    applied = applyColorToChars(applied, yellow, "y", [
+      "|",
+      "-",
+      "A",
+      "+",
+      "*"
+    ]);
+    applied = applyColorToChars(applied, green, "g", ["/", "\\", "="]);
+    applied = applyColorToChars(applied, brown, "b", ["|", "_"]);
+
+    return applied;
+  }
+
+  /**
+   * Applies a specific color to given characters in a string.
+   *
+   * @param {string} str - The input string to modify.
+   * @param {Color} color - The color to apply.
+   * @param {string} charPrefix - The prefix for identifying characters.
+   * @param {string[]} chars - The list of characters to color.
+   * @returns {string} The modified string with colors applied.
+   */
+  function applyColorToChars(str, color, charPrefix, chars) {
+    let applied = str;
+    chars.forEach((char) => {
+      const coloredChar = color.format(char);
+      applied = applied.split(charPrefix + char).join(coloredChar);
+    });
+    return applied;
+  }
+
+  const input = `
+         y|
+        y-y+y-
+         yA
+        g/g=g\\               /\\  /\\    ___  _ __  _ __ __    __
+      10g/ y* g\\20            /  \\/  \\  / _ \\| '__|| '__|\\ \\  / /
+      g/g=g=g=g=g=g\\           / /\\  /\\ \\|  __/| |   | |    \\ \\/ /
+      g/  3O  g\\          \\_\\ \\/ /_/ \\___/|_|   |_|     \\  /
+    40g/ 50 y* 60 g\\70                                       / /
+    g/g=g=g=g=g=g=g=g=g=g\\        __  __                        /_/    _
+    g/  y*   y*  g\\        \\ \\/ /        /\\  /\\    ____  ____  | |
+  80g/ y*   90   y* g\\100       \\  /   __   /  \\/  \\  / _  |/ ___\\ |_|
+  g/g=g=g=g=g=g=g=g=g=g=g=g=g=g\\       /  \\  |__| / /\\  /\\ \\| (_| |\\___ \\  _
+  g/  140   y*   150  g\\      /_/\\_\\      \\_\\ \\/ /_/ \\__,_|\\____/ |_|
+160g/ y*   170   180   y* g\\190
+g/g=g=g=g=g=g=g=g=g=g=g=g=g=g=g=g=g=g\\
+       b|   b|
+       b|b_b_b_b|
+`;
+
+  /**
+   * Generates a random integer up to the specified maximum.
+   *
+   * @param {number} max - The maximum integer to generate.
+   * @returns {number} A random integer between 0 and max-1.
+   */
+  function getRandomInt(max) {
+    return Math.floor(Math.random() * max);
+  }
+
+  /**
+   * Generates a random color for the input character.
+   *
+   * @param {string} input - The input character to color.
+   * @returns {string} The formatted colored character.
+   */
+  function generateColor(input) {
+    const selection = getRandomInt(6);
+    let color;
+
+    switch (selection) {
+      case 0:
+        color = new Color(247, 108, 246); // Pink
+        break;
+      case 1:
+        color = new Color(85, 202, 255); // Light Blue
+        break;
+      case 2:
+        color = new Color(100, 0, 255); // Purple
+        break;
+      case 3:
+        color = new Color(236, 21, 0); // Red
+        break;
+      case 4:
+        color = new Color(243, 213, 0); // Orange
+        break;
+      case 5:
+        color = new Color(100, 255, 24); // Light Green
+        break;
+      default:
+        color = new Color(255, 255, 255); // Fallback to white
+    }
+
+    return color.format(input);
+  }
+
+  /**
+   * Applies random colors to digit characters in the input string.
+   *
+   * @param {string} input - The input string to modify.
+   * @returns {string} The string with colors applied to digits.
+   */
+  function applyColorsToLights(input) {
+    const regex = /(\d+)/g; // Matches one or more digits followed by 'O'
+    return input.replace(regex, (match) => generateColor("O"));
+  }
+
+  const coloredOutput = applyColors(applyColorsToLights(input));
+  return coloredOutput;
+}