Merge pull request #100 from anuraghazra/refactor-flex

refactor: added FlexLayout for flex layouts

src/renderRepoCard.js

@@ -1,4 +1,9 @@
-const { kFormatter, encodeHTML, fallbackColor } = require("../src/utils");
+const {
+  kFormatter,
+  encodeHTML,
+  fallbackColor,
+  FlexLayout,
+} = require("../src/utils");
 const icons = require("./icons");
 
 const renderRepoCard = (repo, options = {}) => {
@@ -42,6 +47,31 @@ const renderRepoCard = (repo, options = {}) => {
     `
     : "";
 
+  const svgLanguage = `
+    <g transform="translate(30, 100)">
+      <circle data-testid="lang-color" cx="0" cy="-5" r="6" fill="${langColor}" />
+      <text data-testid="lang" class="gray" x="15">${langName}</text>
+    </g>
+  `;
+
+  const svgStars =
+    stargazers.totalCount > 0 &&
+    `
+    <svg class="icon" y="-12" viewBox="0 0 16 16" version="1.1" width="16" height="16">
+      ${icons.star}
+    </svg>
+    <text data-testid="stargazers" class="gray" x="25">${totalStars}</text>
+  `;
+
+  const svgForks =
+    totalForks > 0 &&
+    `
+    <svg class="icon" y="-12" viewBox="0 0 16 16" version="1.1" width="16" height="16">
+      ${icons.fork}
+    </svg>
+    <text data-testid="forkcount" class="gray" x="25">${totalForks}</text>
+  `;
+
   return `
     <svg version="1.1" width="400" height="${height}" viewBox="0 0 400 ${height}" fill="none" xmlns="http://www.w3.org/2000/svg">
       <style>
@@ -62,28 +92,12 @@ const renderRepoCard = (repo, options = {}) => {
       <text x="50" y="38" class="header">${header}</text>
       <text class="description" x="25" y="70">${encodeHTML(desc)}</text>
       
-      <g transform="translate(30, 100)">
-        <circle data-testid="lang-color" cx="0" cy="-5" r="6" fill="${langColor}" />
-        <text data-testid="lang" class="gray" x="15">${langName}</text>
-      </g>
+      ${svgLanguage}
       
-      ${(stargazers.totalCount > 0) ? `
       <g transform="translate(${155 - shiftText}, 100)">
-          <svg class="icon" y="-12" viewBox="0 0 16 16" version="1.1" width="16" height="16">
-            ${icons.star}
-          </svg>
-          <text data-testid="stargazers" class="gray" x="25">${totalStars}</text>
+        ${FlexLayout({ items: [svgStars, svgForks], gap: 65 }).join("")}
       </g>
-      ` : ''}
 
-      ${(totalForks > 0) ? `
-        <g transform="translate(${stargazers.totalCount === 0 ? 155 - shiftText : 220 - shiftText}, 100)">
-          <svg class="icon" y="-12" viewBox="0 0 16 16" version="1.1" width="16" height="16">
-            ${icons.fork}
-          </svg>
-          <text data-testid="forkcount" class="gray" x="25">${totalForks}</text>
-        </g>
-      ` : ''}
     </svg>
   `;
 };

src/renderStatsCard.js

@@ -1,22 +1,11 @@
-const { kFormatter, fallbackColor } = require("../src/utils");
+const { kFormatter, fallbackColor, FlexLayout } = require("../src/utils");
 const getStyles = require("./getStyles");
 const icons = require("./icons");
 
-const createTextNode = ({
-  icon,
-  label,
-  value,
-  id,
-  index,
-  lineHeight,
-  showIcons,
-}) => {
+const createTextNode = ({ icon, label, value, id, index, showIcons }) => {
   const kValue = kFormatter(value);
   const staggerDelay = (index + 3) * 150;
-  // manually calculating lineHeight based on index instead of using <tspan dy="" />
-  // to fix firefox layout bug
-  const lheight = lineHeight * (index + 1);
-  const translateY = lheight - lineHeight / 2;
+
   const labelOffset = showIcons ? `x="25"` : "";
   const iconSvg = showIcons
     ? `
@@ -26,7 +15,7 @@ const createTextNode = ({
   `
     : "";
   return `
-    <g class="stagger" style="animation-delay: ${staggerDelay}ms" transform="translate(25, ${translateY})">
+    <g class="stagger" style="animation-delay: ${staggerDelay}ms" transform="translate(25, 0)">
       ${iconSvg}
       <text class="stat bold" ${labelOffset} y="12.5">${label}:</text>
       <text class="stat" x="135" y="12.5" data-testid="${id}">${kValue}</text>
@@ -106,7 +95,6 @@ const renderStatsCard = (stats = {}, options = { hide: [] }) => {
       createTextNode({
         ...STATS[key],
         index,
-        lineHeight: lheight,
         showIcons: show_icons,
       })
     );
@@ -188,8 +176,12 @@ const renderStatsCard = (stats = {}, options = { hide: [] }) => {
       })">
         ${rankCircle}
 
-        <svg x="0" y="45">
-          ${statItems.toString().replace(/\,/gm, "")}
+        <svg x="0" y="55">
+          ${FlexLayout({
+            items: statItems,
+            gap: lheight,
+            direction: "column",
+          }).join("")}
         </svg>
       </g>
     </svg>

src/utils.js

@@ -56,6 +56,27 @@ function request(data, headers) {
   });
 }
 
+/**
+ *
+ * @param {String[]} items
+ * @param {Number} gap
+ * @param {string} direction
+ *
+ * @description
+ * Auto layout utility, allows us to layout things
+ * vertically or horizontally with proper gaping
+ */
+function FlexLayout({ items, gap, direction }) {
+  // filter() for filtering out empty strings
+  return items.filter(Boolean).map((item, i) => {
+    let transform = `translate(${gap * i}, 0)`;
+    if (direction === "column") {
+      transform = `translate(0, ${gap * i})`;
+    }
+    return `<g transform="${transform}">${item}</g>`;
+  });
+}
+
 module.exports = {
   renderError,
   kFormatter,
@@ -64,4 +85,5 @@ module.exports = {
   request,
   parseBoolean,
   fallbackColor,
+  FlexLayout,
 };

tests/renderRepoCard.test.js

@@ -158,4 +158,32 @@ describe("Test renderRepoCard", () => {
       "Archived"
     );
   });
+
+  it("should not render star count or fork count if either of the are zero", () => {
+    document.body.innerHTML = renderRepoCard({
+      ...data_repo.repository,
+      stargazers: { totalCount: 0 },
+    });
+
+    expect(queryByTestId(document.body, "stargazers")).toBeNull();
+    expect(queryByTestId(document.body, "forkcount")).toBeDefined();
+
+    document.body.innerHTML = renderRepoCard({
+      ...data_repo.repository,
+      stargazers: { totalCount: 1 },
+      forkCount: 0,
+    });
+
+    expect(queryByTestId(document.body, "stargazers")).toBeDefined();
+    expect(queryByTestId(document.body, "forkcount")).toBeNull();
+    
+    document.body.innerHTML = renderRepoCard({
+      ...data_repo.repository,
+      stargazers: { totalCount: 0 },
+      forkCount: 0,
+    });
+
+    expect(queryByTestId(document.body, "stargazers")).toBeNull();
+    expect(queryByTestId(document.body, "forkcount")).toBeNull();
+  });
 });

tests/renderStatsCard.test.js

@@ -70,7 +70,6 @@ describe("Test renderStatsCard", () => {
     document.body.innerHTML = renderStatsCard(stats);
 
     const styleTag = document.querySelector("style");
-    console.log(styleTag.textContent);
     const stylesObject = cssToObject(styleTag.textContent);
 
     const headerClassStyles = stylesObject[".header"];
@@ -157,7 +156,6 @@ describe("Test renderStatsCard", () => {
   it("should not have icons if show_icons is false", () => {
     document.body.innerHTML = renderStatsCard(stats, { show_icons: false });
 
-    console.log(queryAllByTestId(document.body, "icon"));
     expect(queryAllByTestId(document.body, "icon")[0]).not.toBeDefined();
     expect(queryByTestId(document.body, "stars")).toBeDefined();
     expect(

tests/utils.test.js

@@ -1,4 +1,9 @@
-const { kFormatter, encodeHTML, renderError } = require("../src/utils");
+const {
+  kFormatter,
+  encodeHTML,
+  renderError,
+  FlexLayout,
+} = require("../src/utils");
 
 describe("Test utils.js", () => {
   it("should test kFormatter", () => {
@@ -23,4 +28,25 @@ describe("Test utils.js", () => {
       "Something went wrong"
     );
   });
+
+  it("should test FlexLayout", () => {
+    const layout = FlexLayout({
+      items: ["<text>1</text>", "<text>2</text>"],
+      gap: 60,
+    }).join("");
+
+    expect(layout).toBe(
+      `<g transform=\"translate(0, 0)\"><text>1</text></g><g transform=\"translate(60, 0)\"><text>2</text></g>`
+    );
+
+    const columns = FlexLayout({
+      items: ["<text>1</text>", "<text>2</text>"],
+      gap: 60,
+      direction: "column",
+    }).join("");
+
+    expect(columns).toBe(
+      `<g transform=\"translate(0, 0)\"><text>1</text></g><g transform=\"translate(0, 60)\"><text>2</text></g>`
+    );
+  });
 });