Top languages card donut vertical layout (#2701)

* Top languages card donut layout

* dev

* dev

* dev

* dev

src/cards/top-languages-card.js

@@ -84,6 +84,16 @@ const cartesianToPolar = (centerX, centerY, x, y) => {
   return { radius, angleInDegrees };
 };
 
+/**
+ * Calculates length of circle.
+ *
+ * @param {number} radius Radius of the circle.
+ * @returns {number} The length of the circle.
+ */
+const getCircleLength = (radius) => {
+  return 2 * Math.PI * radius;
+};
+
 /**
  * Calculates height for the compact layout.
  *
@@ -114,6 +124,16 @@ const calculateDonutLayoutHeight = (totalLangs) => {
   return 215 + Math.max(totalLangs - 5, 0) * 32;
 };
 
+/**
+ * Calculates height for the donut vertical layout.
+ *
+ * @param {number} totalLangs Total number of languages.
+ * @returns {number} Card height.
+ */
+const calculateDonutVerticalLayoutHeight = (totalLangs) => {
+  return 300 + Math.round(totalLangs / 2) * 25;
+};
+
 /**
  * Calculates height for the pie layout.
  *
@@ -371,6 +391,76 @@ const renderCompactLayout = (langs, width, totalLanguageSize, hideProgress) => {
   `;
 };
 
+/**
+ * Renders donut vertical layout to display user's most frequently used programming languages.
+ *
+ * @param {Lang[]} langs Array of programming languages.
+ * @param {number} totalLanguageSize Total size of all languages.
+ * @returns {string} Compact layout card SVG object.
+ */
+const renderDonutVerticalLayout = (langs, totalLanguageSize) => {
+  // Donut vertical chart radius and total length
+  const radius = 80;
+  const totalCircleLength = getCircleLength(radius);
+
+  // SVG circles
+  let circles = [];
+
+  // Start indent for donut vertical chart parts
+  let indent = 0;
+
+  // Start delay coefficient for donut vertical chart parts
+  let startDelayCoefficient = 1;
+
+  // Generate each donut vertical chart part
+  for (const lang of langs) {
+    const percentage = (lang.size / totalLanguageSize) * 100;
+    const circleLength = totalCircleLength * (percentage / 100);
+    const delay = startDelayCoefficient * 100;
+
+    circles.push(`
+      <g class="stagger" style="animation-delay: ${delay}ms">
+        <circle 
+          cx="150"
+          cy="100"
+          r="${radius}"
+          fill="transparent"
+          stroke="${lang.color}"
+          stroke-width="25"
+          stroke-dasharray="${totalCircleLength}"
+          stroke-dashoffset="${indent}"
+          size="${percentage}"
+          data-testid="lang-donut"
+        />
+      </g>
+    `);
+
+    // Update the indent for the next part
+    indent += circleLength;
+    // Update the start delay coefficient for the next part
+    startDelayCoefficient += 1;
+  }
+
+  return `
+    <svg data-testid="lang-items">
+      <g transform="translate(0, 0)">
+        <svg data-testid="donut">
+          ${circles.join("")}
+        </svg>
+      </g>
+      <g transform="translate(0, 220)">
+        <svg data-testid="lang-names" x="${CARD_PADDING}">
+          ${createLanguageTextNode({
+            langs,
+            totalSize: totalLanguageSize,
+            hideProgress: false,
+          })}
+        </svg>
+      </g>
+    </svg>
+  `;
+};
+
 /**
  * Renders pie layout to display user's most frequently used programming languages.
  *
@@ -613,6 +703,9 @@ const renderTopLanguages = (topLangs, options = {}) => {
   if (layout === "pie") {
     height = calculatePieLayoutHeight(langs.length);
     finalLayout = renderPieLayout(langs, totalLanguageSize);
+  } else if (layout === "donut-vertical") {
+    height = calculateDonutVerticalLayoutHeight(langs.length);
+    finalLayout = renderDonutVerticalLayout(langs, totalLanguageSize);
   } else if (layout === "compact" || hide_progress == true) {
     height =
       calculateCompactLayoutHeight(langs.length) + (hide_progress ? -25 : 0);
@@ -688,7 +781,7 @@ const renderTopLanguages = (topLangs, options = {}) => {
     `,
   );
 
-  if (layout === "pie") {
+  if (layout === "pie" || layout === "donut-vertical") {
     return card.render(finalLayout);
   }
 
@@ -705,9 +798,11 @@ export {
   radiansToDegrees,
   polarToCartesian,
   cartesianToPolar,
+  getCircleLength,
   calculateCompactLayoutHeight,
   calculateNormalLayoutHeight,
   calculateDonutLayoutHeight,
+  calculateDonutVerticalLayoutHeight,
   calculatePieLayoutHeight,
   donutCenterTranslation,
   trimTopLanguages,

src/cards/types.d.ts

@@ -39,7 +39,7 @@ export type TopLangOptions = CommonOptions & {
   hide_border: boolean;
   card_width: number;
   hide: string[];
-  layout: "compact" | "normal" | "donut" | "pie";
+  layout: "compact" | "normal" | "donut" | "donut-vertical" | "pie";
   custom_title: string;
   langs_count: number;
   disable_animations: boolean;