refactor: added reusable Card class to reduce code & test duplication

api/top-langs.js

@@ -14,13 +14,14 @@ module.exports = async (req, res) => {
     username,
     hide,
     hide_title,
+    hide_border,
     card_width,
     title_color,
     text_color,
     bg_color,
     theme,
     cache_seconds,
-    layout
+    layout,
   } = req.query;
   let topLangs;
 
@@ -42,15 +43,15 @@ module.exports = async (req, res) => {
 
   res.send(
     renderTopLanguages(topLangs, {
-      theme,
       hide_title: parseBoolean(hide_title),
+      hide_border: parseBoolean(hide_border),
       card_width: parseInt(card_width, 10),
       hide: parseArray(hide),
       title_color,
       text_color,
       bg_color,
       theme,
-      layout
+      layout,
     })
   );
 };

readme.md

@@ -137,6 +137,7 @@ Customization Options:
 | cache_seconds | number    | manually set custom cache control           | 1800                 | 1800                | 1800                    |
 | count_private | boolean   | counts private contributions too if enabled | false                | N/A                 | N/A                     |
 | layout        | string    | choose a layout option                      | N/A                  | N/A                 | 'default'               |
+| card_width    | number    | set the card width                          | N/A                  | N/A                 | 300                     |
 
 > Note on cache: Repo cards have default cache of 30mins (1800 seconds) if the fork count & star count is less than 1k otherwise it's 2hours (7200). Also note that cache is clamped to minimum of 30min and maximum of 24hours
 

src/Card.js

@@ -0,0 +1,139 @@
+const { FlexLayout } = require("./utils");
+const { getAnimations } = require("./getStyles");
+
+class Card {
+  constructor({
+    width = 100,
+    height = 100,
+    colors = {},
+    title = "",
+    titlePrefixIcon,
+  }) {
+    this.width = width;
+    this.height = height;
+
+    this.hideBorder = false;
+    this.hideTitle = false;
+
+    // returns theme based colors with proper overrides and defaults
+    this.colors = colors;
+    this.title = title;
+    this.css = "";
+
+    this.paddingX = 25;
+    this.paddingY = 35;
+    this.titlePrefixIcon = titlePrefixIcon;
+    this.animations = true;
+  }
+
+  disableAnimations() {
+    this.animations = false;
+  }
+
+  setCSS(value) {
+    this.css = value;
+  }
+
+  setHideBorder(value) {
+    this.hideBorder = value;
+  }
+
+  setHideTitle(value) {
+    this.hideTitle = value;
+    if (value) {
+      this.height -= 30;
+    }
+  }
+
+  setTitle(text) {
+    this.title = text;
+  }
+
+  renderTitle() {
+    const titleText = `
+      <text
+        x="0"
+        y="0"
+        class="header"
+        data-testid="header"
+      >${this.title}</text>
+    `;
+
+    const prefixIcon = `
+      <svg
+        class="icon"
+        x="0"
+        y="-13"
+        viewBox="0 0 16 16"
+        version="1.1"
+        width="16"
+        height="16"
+      >
+        ${this.titlePrefixIcon}
+      </svg>
+    `;
+    return `
+      <g
+        data-testid="card-title"
+        transform="translate(${this.paddingX}, ${this.paddingY})"
+      >
+        ${FlexLayout({
+          items: [this.titlePrefixIcon && prefixIcon, titleText],
+          gap: 25,
+        }).join("")}
+      </g>
+    `;
+  }
+
+  render(body) {
+    return `
+      <svg
+        width="${this.width}"
+        height="${this.height}"
+        viewBox="0 0 ${this.width} ${this.height}"
+        fill="none"
+        xmlns="http://www.w3.org/2000/svg"
+      >
+        <style>
+          .header {
+            font: 600 18px 'Segoe UI', Ubuntu, Sans-Serif;
+            fill: ${this.colors.titleColor};
+            animation: fadeInAnimation 0.8s ease-in-out forwards;
+          }
+          ${this.css}
+
+          ${
+            process.env.NODE_ENV === "test" || !this.animations
+              ? ""
+              : getAnimations()
+          }
+        </style>
+
+        <rect
+          data-testid="card-bg"
+          x="0.5"
+          y="0.5"
+          rx="4.5"
+          height="99%"
+          stroke="#E4E2E2"
+          width="${this.width - 1}"
+          fill="${this.colors.bgColor}"
+          stroke-opacity="${this.hideBorder ? 0 : 1}"
+        />
+
+        ${this.hideTitle ? "" : this.renderTitle()}
+
+        <g
+          data-testid="main-card-body"
+          transform="translate(0, ${
+            this.hideTitle ? this.paddingX : this.paddingY + 20
+          })"
+        >
+          ${body}
+        </g>
+      </svg>
+    `;
+  }
+}
+
+module.exports = Card;

src/getStyles.js

@@ -9,31 +9,36 @@ const calculateCircleProgress = (value) => {
   return percentage;
 };
 
-const getAnimations = ({ progress }) => {
+const getProgressAnimation = ({ progress }) => {
   return `
-    /* Animations */
-    @keyframes scaleIn {
+    @keyframes rankAnimation {
       from {
-        transform: translate(-5px, 5px) scale(0);
+        stroke-dashoffset: ${calculateCircleProgress(0)};
       }
       to {
-        transform: translate(-5px, 5px) scale(1);
+        stroke-dashoffset: ${calculateCircleProgress(progress)};
       }
     }
-    @keyframes fadeIn {
+  `;
+};
+
+const getAnimations = () => {
+  return `
+    /* Animations */
+    @keyframes scaleInAnimation {
       from {
-        opacity: 0;
+        transform: translate(-5px, 5px) scale(0);
       }
       to {
-        opacity: 1;
+        transform: translate(-5px, 5px) scale(1);
       }
     }
-    @keyframes rankAnimation {
+    @keyframes fadeInAnimation {
       from {
-        stroke-dashoffset: ${calculateCircleProgress(0)};
+        opacity: 0;
       }
       to {
-        stroke-dashoffset: ${calculateCircleProgress(progress)};
+        opacity: 1;
       }
     }
   `;
@@ -47,20 +52,16 @@ const getStyles = ({
   progress,
 }) => {
   return `
-    .header {
-      font: 600 18px 'Segoe UI', Ubuntu, Sans-Serif; fill: ${titleColor}; 
-      animation: fadeIn 0.8s ease-in-out forwards;
-    }
-    .stat { 
+    .stat {
       font: 600 14px 'Segoe UI', Ubuntu, "Helvetica Neue", Sans-Serif; fill: ${textColor};
     }
-    .stagger { 
+    .stagger {
       opacity: 0;
-      animation: fadeIn 0.3s ease-in-out forwards;
+      animation: fadeInAnimation 0.3s ease-in-out forwards;
     }
-    .rank-text { 
+    .rank-text {
       font: 800 24px 'Segoe UI', Ubuntu, Sans-Serif; fill: ${textColor}; 
-      animation: scaleIn 0.3s ease-in-out forwards;
+      animation: scaleInAnimation 0.3s ease-in-out forwards;
     }
 
     .bold { font-weight: 700 }
@@ -86,9 +87,8 @@ const getStyles = ({
       transform: rotate(-90deg);
       animation: rankAnimation 1s forwards ease-in-out;
     }
-
-    ${process.env.NODE_ENV === "test" ? "" : getAnimations({ progress })}
+    ${process.env.NODE_ENV === "test" ? "" : getProgressAnimation({ progress })}
   `;
 };
 
-module.exports = getStyles;
+module.exports = { getStyles, getAnimations };