adding hextorgb and rgbtohex functions

Author: alieldeba

lib/main.d.ts

@@ -22,6 +22,8 @@ import randomColor from "./randoms/randomColor";
 import randomHsl from "./randoms/randomHsl";
 import isHappyNumber from "./numbers/isHappyNumber";
 import randomPassword from "./randoms/randomPassword";
+import rgbToHex from "./strings/rgbToHex";
+import hexToRgb from "./strings/hexToRgb";
 declare const functionality: {
     sumOfArray: typeof sumOfArray;
     capitalize: typeof capitalize;
@@ -47,6 +49,8 @@ declare const functionality: {
     randomHsl: typeof randomHsl;
     isHappyNumber: typeof isHappyNumber;
     randomPassword: typeof randomPassword;
+    rgbToHex: typeof rgbToHex;
+    hexToRgb: typeof hexToRgb;
 };
 declare global {
     interface Window {

lib/main.js

@@ -22,6 +22,8 @@ import randomColor from "./randoms/randomColor";
 import randomHsl from "./randoms/randomHsl";
 import isHappyNumber from "./numbers/isHappyNumber";
 import randomPassword from "./randoms/randomPassword";
+import rgbToHex from "./strings/rgbToHex";
+import hexToRgb from "./strings/hexToRgb";
 const functionality = {
     sumOfArray,
     capitalize,
@@ -47,6 +49,8 @@ const functionality = {
     randomHsl,
     isHappyNumber,
     randomPassword,
+    rgbToHex,
+    hexToRgb,
 };
 window.functionality = functionality;
 // export * from "./sumOfArray";

lib/strings/hexToRgb.d.ts

@@ -0,0 +1,7 @@
+/**
+ * converts a hex color to rgb
+ *
+ * @param {string} hex
+ * @returns {number[]}
+ */
+export default function hexToRgb(hex: string): number[];

lib/strings/hexToRgb.js

@@ -0,0 +1,13 @@
+/**
+ * converts a hex color to rgb
+ *
+ * @param {string} hex
+ * @returns {number[]}
+ */
+export default function hexToRgb(hex) {
+    return hex
+        .replace(/^#?([a-f\d])([a-f\d])([a-f\d])$/i, (m, r, g, b) => "#" + r + r + g + g + b + b)
+        .substring(1)
+        .match(/.{2}/g)
+        .map((x) => parseInt(x, 16));
+}

lib/strings/rgbToHex.d.ts

@@ -0,0 +1,9 @@
+/**
+ * Converts an RGB color value to a hexadecimal string.
+ *
+ * @param {number} r
+ * @param {number} g
+ * @param {number} b
+ * @returns {string}
+ */
+export default function rgbToHex(r: number, g: number, b: number): string;

lib/strings/rgbToHex.js

@@ -0,0 +1,11 @@
+/**
+ * Converts an RGB color value to a hexadecimal string.
+ *
+ * @param {number} r
+ * @param {number} g
+ * @param {number} b
+ * @returns {string}
+ */
+export default function rgbToHex(r, g, b) {
+    return "#" + ((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1);
+}

project/ts/functionality/main.ts

@@ -22,6 +22,8 @@ import randomColor from "./randoms/randomColor";
 import randomHsl from "./randoms/randomHsl";
 import isHappyNumber from "./numbers/isHappyNumber";
 import randomPassword from "./randoms/randomPassword";
+import rgbToHex from "./strings/rgbToHex";
+import hexToRgb from "./strings/hexToRgb";
 
 const functionality = {
   sumOfArray,
@@ -48,6 +50,8 @@ const functionality = {
   randomHsl,
   isHappyNumber,
   randomPassword,
+  rgbToHex,
+  hexToRgb,
 };
 
 declare global {

project/ts/functionality/strings/hexToRgb.ts

@@ -0,0 +1,16 @@
+/**
+ * converts a hex color to rgb
+ *
+ * @param {string} hex
+ * @returns {number[]}
+ */
+export default function hexToRgb(hex: string) {
+  return hex
+    .replace(
+      /^#?([a-f\d])([a-f\d])([a-f\d])$/i,
+      (m, r, g, b) => "#" + r + r + g + g + b + b
+    )
+    .substring(1)
+    .match(/.{2}/g)
+    .map((x) => parseInt(x, 16));
+}

project/ts/functionality/strings/rgbToHex.ts

@@ -0,0 +1,11 @@
+/**
+ * Converts an RGB color value to a hexadecimal string.
+ *
+ * @param {number} r
+ * @param {number} g
+ * @param {number} b
+ * @returns {string}
+ */
+export default function rgbToHex(r: number, g: number, b: number): string {
+  return "#" + ((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1);
+}