AriPerkkio · AriPerkkio · Sep 15, 2024 · Sep 15, 2024
diff --git a/package.json b/package.json
@@ -17,7 +17,7 @@
   "repository": "https://github.com/AriPerkkio/vite-plugin-source-map-visualizer",
   "scripts": {
     "build": "rm -rf ./dist && tsc --project tsconfig.build.json && cp src/*.css dist",
-    "test": "vitest --coverage",
+    "test": "vitest --coverage --coverage.include=src",
     "typecheck": "tsc --noEmit",
     "example": "node scripts/generate-example.mjs",
     "deploy": "touch example/.nojekyll && gh-pages --dist example --dotfiles true"

diff --git a/src/plugin.ts b/src/plugin.ts
@@ -1,6 +1,7 @@
 import fs from "node:fs/promises";
 import { join } from "node:path";
 import type { Logger, Plugin } from "vite";
+import type { TransformResult } from "vite";
 
 import { toVisualizer } from "./generate-link.js";
 import { script, style } from "./report.js";
@@ -25,6 +26,8 @@ interface Result {
   filename: string;
   hash: string;
   ssr: boolean;
+  code: TransformResult["code"];
+  map: TransformResult["map"];
 }
 
 /**
@@ -76,8 +79,9 @@ export function sourcemapVisualizer(options?: Options): Plugin {
       const map = this.getCombinedSourcemap();
       const hash = toVisualizer({ code, map });
       const filename = formatName(id);
+      const ssr = options?.ssr || false;
 
-      results.push({ filename, hash, ssr: options?.ssr || false });
+      results.push({ filename, hash, code, map, ssr });
     },
 
     async buildEnd() {
@@ -116,13 +120,21 @@ function generateHTML(results: Result[]) {
       <a href="#">Vite Source Map Visualizer</a>
     </h1>
 
+    <button id="json-view-toggle" title="View transform results" style="display: none;">
+      <svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g><g><rect width="24" height="24" opacity="0"/><path d="M15 16H9a1 1 0 0 0 0 2h6a1 1 0 0 0 0-2z"/><path d="M9 14h3a1 1 0 0 0 0-2H9a1 1 0 0 0 0 2z"/><path d="M19.74 8.33l-5.44-6a1 1 0 0 0-.74-.33h-7A2.53 2.53 0 0 0 4 4.5v15A2.53 2.53 0 0 0 6.56 22h10.88A2.53 2.53 0 0 0 20 19.5V9a1 1 0 0 0-.26-.67zM14 5l2.74 3h-2a.79.79 0 0 1-.74-.85zm3.44 15H6.56a.53.53 0 0 1-.56-.5v-15a.53.53 0 0 1 .56-.5H12v3.15A2.79 2.79 0 0 0 14.71 10H18v9.5a.53.53 0 0 1-.56.5z"/></g></g></svg>
+    </button>
+
+    <button id="visualizer-view-toggle" title="View visualizer" style="display: none;">
+      <svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g><g><rect width="24" height="24" opacity="0"/><path d="M20.71 19.29l-3.4-3.39A7.92 7.92 0 0 0 19 11a8 8 0 1 0-8 8 7.92 7.92 0 0 0 4.9-1.69l3.39 3.4a1 1 0 0 0 1.42 0 1 1 0 0 0 0-1.42zM5 11a6 6 0 1 1 6 6 6 6 0 0 1-6-6z"/></g></g></svg>
+    </button>
+
     <button id="menu" title="Toggle file list">
-      <svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g data-name="Layer 2"><g data-name="menu"><rect width="24" height="24" transform="rotate(180 12 12)" opacity="0"/><rect x="3" y="11" width="18" height="2" rx=".95" ry=".95"/><rect x="3" y="16" width="18" height="2" rx=".95" ry=".95"/><rect x="3" y="6" width="18" height="2" rx=".95" ry=".95"/></g></g></svg>
+      <svg aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g><g><rect width="24" height="24" transform="rotate(180 12 12)" opacity="0"/><rect x="3" y="11" width="18" height="2" rx=".95" ry=".95"/><rect x="3" y="16" width="18" height="2" rx=".95" ry=".95"/><rect x="3" y="6" width="18" height="2" rx=".95" ry=".95"/></g></g></svg>
     </button>
 
     <button id="theme-toggle" title="Toggle theme">
-      <svg id="theme-icon-light" class="theme-light" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g data-name="Layer 2"><g data-name="sun"><rect width="24" height="24" transform="rotate(180 12 12)" opacity="0"/><path d="M12 6a1 1 0 0 0 1-1V3a1 1 0 0 0-2 0v2a1 1 0 0 0 1 1z"/><path d="M21 11h-2a1 1 0 0 0 0 2h2a1 1 0 0 0 0-2z"/><path d="M6 12a1 1 0 0 0-1-1H3a1 1 0 0 0 0 2h2a1 1 0 0 0 1-1z"/><path d="M6.22 5a1 1 0 0 0-1.39 1.47l1.44 1.39a1 1 0 0 0 .73.28 1 1 0 0 0 .72-.31 1 1 0 0 0 0-1.41z"/><path d="M17 8.14a1 1 0 0 0 .69-.28l1.44-1.39A1 1 0 0 0 17.78 5l-1.44 1.42a1 1 0 0 0 0 1.41 1 1 0 0 0 .66.31z"/><path d="M12 18a1 1 0 0 0-1 1v2a1 1 0 0 0 2 0v-2a1 1 0 0 0-1-1z"/><path d="M17.73 16.14a1 1 0 0 0-1.39 1.44L17.78 19a1 1 0 0 0 .69.28 1 1 0 0 0 .72-.3 1 1 0 0 0 0-1.42z"/><path d="M6.27 16.14l-1.44 1.39a1 1 0 0 0 0 1.42 1 1 0 0 0 .72.3 1 1 0 0 0 .67-.25l1.44-1.39a1 1 0 0 0-1.39-1.44z"/><path d="M12 8a4 4 0 1 0 4 4 4 4 0 0 0-4-4zm0 6a2 2 0 1 1 2-2 2 2 0 0 1-2 2z"/></g></g></svg>
-      <svg id="theme-icon-dark"  class="theme-dark"  xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g data-name="Layer 2"><g data-name="moon"><rect width="24" height="24" opacity="0"/><path d="M12.3 22h-.1a10.31 10.31 0 0 1-7.34-3.15 10.46 10.46 0 0 1-.26-14 10.13 10.13 0 0 1 4-2.74 1 1 0 0 1 1.06.22 1 1 0 0 1 .24 1 8.4 8.4 0 0 0 1.94 8.81 8.47 8.47 0 0 0 8.83 1.94 1 1 0 0 1 1.27 1.29A10.16 10.16 0 0 1 19.6 19a10.28 10.28 0 0 1-7.3 3zM7.46 4.92a7.93 7.93 0 0 0-1.37 1.22 8.44 8.44 0 0 0 .2 11.32A8.29 8.29 0 0 0 12.22 20h.08a8.34 8.34 0 0 0 6.78-3.49A10.37 10.37 0 0 1 7.46 4.92z"/></g></g></svg>
+      <svg id="theme-icon-light" aria-hidden="true" class="theme-light" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g><g><rect width="24" height="24" transform="rotate(180 12 12)" opacity="0"/><path d="M12 6a1 1 0 0 0 1-1V3a1 1 0 0 0-2 0v2a1 1 0 0 0 1 1z"/><path d="M21 11h-2a1 1 0 0 0 0 2h2a1 1 0 0 0 0-2z"/><path d="M6 12a1 1 0 0 0-1-1H3a1 1 0 0 0 0 2h2a1 1 0 0 0 1-1z"/><path d="M6.22 5a1 1 0 0 0-1.39 1.47l1.44 1.39a1 1 0 0 0 .73.28 1 1 0 0 0 .72-.31 1 1 0 0 0 0-1.41z"/><path d="M17 8.14a1 1 0 0 0 .69-.28l1.44-1.39A1 1 0 0 0 17.78 5l-1.44 1.42a1 1 0 0 0 0 1.41 1 1 0 0 0 .66.31z"/><path d="M12 18a1 1 0 0 0-1 1v2a1 1 0 0 0 2 0v-2a1 1 0 0 0-1-1z"/><path d="M17.73 16.14a1 1 0 0 0-1.39 1.44L17.78 19a1 1 0 0 0 .69.28 1 1 0 0 0 .72-.3 1 1 0 0 0 0-1.42z"/><path d="M6.27 16.14l-1.44 1.39a1 1 0 0 0 0 1.42 1 1 0 0 0 .72.3 1 1 0 0 0 .67-.25l1.44-1.39a1 1 0 0 0-1.39-1.44z"/><path d="M12 8a4 4 0 1 0 4 4 4 4 0 0 0-4-4zm0 6a2 2 0 1 1 2-2 2 2 0 0 1-2 2z"/></g></g></svg>
+      <svg id="theme-icon-dark" aria-hidden="true" class="theme-dark"  xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g><g><rect width="24" height="24" opacity="0"/><path d="M12.3 22h-.1a10.31 10.31 0 0 1-7.34-3.15 10.46 10.46 0 0 1-.26-14 10.13 10.13 0 0 1 4-2.74 1 1 0 0 1 1.06.22 1 1 0 0 1 .24 1 8.4 8.4 0 0 0 1.94 8.81 8.47 8.47 0 0 0 8.83 1.94 1 1 0 0 1 1.27 1.29A10.16 10.16 0 0 1 19.6 19a10.28 10.28 0 0 1-7.3 3zM7.46 4.92a7.93 7.93 0 0 0-1.37 1.22 8.44 8.44 0 0 0 .2 11.32A8.29 8.29 0 0 0 12.22 20h.08a8.34 8.34 0 0 0 6.78-3.49A10.37 10.37 0 0 1 7.46 4.92z"/></g></g></svg>
     </button>
 
     <details id="files" open>
@@ -150,7 +162,7 @@ function generateHTML(results: Result[]) {
               </td>
               <td class="center">
                 <a title="Open in source-map-visualization" target="_blank" href="https://evanw.github.io/source-map-visualization#${result.hash}">
-                  <svg class="icon" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g data-name="Layer 2"><g data-name="external-link"><rect width="24" height="24" opacity="0"/><path d="M20 11a1 1 0 0 0-1 1v6a1 1 0 0 1-1 1H6a1 1 0 0 1-1-1V6a1 1 0 0 1 1-1h6a1 1 0 0 0 0-2H6a3 3 0 0 0-3 3v12a3 3 0 0 0 3 3h12a3 3 0 0 0 3-3v-6a1 1 0 0 0-1-1z"/><path d="M16 5h1.58l-6.29 6.28a1 1 0 0 0 0 1.42 1 1 0 0 0 1.42 0L19 6.42V8a1 1 0 0 0 1 1 1 1 0 0 0 1-1V4a1 1 0 0 0-1-1h-4a1 1 0 0 0 0 2z"/></g></g></svg>
+                  <svg class="icon" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><g><g><rect width="24" height="24" opacity="0"/><path d="M20 11a1 1 0 0 0-1 1v6a1 1 0 0 1-1 1H6a1 1 0 0 1-1-1V6a1 1 0 0 1 1-1h6a1 1 0 0 0 0-2H6a3 3 0 0 0-3 3v12a3 3 0 0 0 3 3h12a3 3 0 0 0 3-3v-6a1 1 0 0 0-1-1z"/><path d="M16 5h1.58l-6.29 6.28a1 1 0 0 0 0 1.42 1 1 0 0 0 1.42 0L19 6.42V8a1 1 0 0 0 1 1 1 1 0 0 0 1-1V4a1 1 0 0 0-1-1h-4a1 1 0 0 0 0 2z"/></g></g></svg>
                 </a>
               </td>
             </tr>
@@ -160,6 +172,7 @@ function generateHTML(results: Result[]) {
 
     </details>
 
+    <div id="json-visualizer" style="display: none;"></div>
     <iframe id="source-map-visualizer" style="display: none;"></iframe>
   </main>
   <script>

diff --git a/src/report.ts b/src/report.ts
@@ -23,6 +23,34 @@ export function script() {
     fileList.open = !fileList.open;
   });
 
+  const jsonView = document.getElementById("json-visualizer")!;
+  const visualizerView = document.getElementById("source-map-visualizer")!;
+  const jsonViewToggle = document.querySelector(
+    "button#json-view-toggle" as "button"
+  )!;
+  const visualizerViewToggle = document.querySelector(
+    "button#visualizer-view-toggle" as "button"
+  )!;
+
+  function setView(view: "json-view" | "visualizer-view") {
+    if (view === "json-view") {
+      visualizerView.style.display = "none";
+      jsonViewToggle.style.display = "none";
+      visualizerViewToggle.style.display = "block";
+      jsonView.style.display = "block";
+    } else {
+      jsonView.style.display = "none";
+      visualizerViewToggle.style.display = "none";
+      visualizerView.style.display = "block";
+      jsonViewToggle.style.display = "block";
+    }
+  }
+
+  jsonViewToggle.addEventListener("click", () => setView("json-view"));
+  visualizerViewToggle.addEventListener("click", () =>
+    setView("visualizer-view")
+  );
+
   initializePage();
   addEventListener("hashchange", initializePage);
 
@@ -32,14 +60,49 @@ export function script() {
       "iframe#source-map-visualizer" as "iframe"
     )!;
 
+    Array.from(jsonView.children).map((child) => jsonView.removeChild(child));
+
     if (window.location.hash) {
       iframe.src = `https://evanw.github.io/source-map-visualization${window.location.hash}`;
       iframe.style.display = "block";
       fileList.open = false;
+      setView("visualizer-view");
+
+      const result = convertHash(window.location.hash.slice(1));
+      const code = document.createElement("pre");
+      code.textContent = result.code;
+      jsonView.appendChild(code);
+
+      const map = document.createElement("pre");
+      map.textContent = JSON.stringify(result.map, null, 2);
+      jsonView.appendChild(map);
     } else {
       iframe.src = "";
       iframe.style.display = "none";
       fileList.open = true;
+
+      visualizerView.style.display = "none";
+      visualizerViewToggle.style.display = "none";
+      jsonView.style.display = "none";
+      jsonViewToggle.style.display = "none";
+    }
+  }
+
+  function convertHash(hash: string) {
+    let bin = atob(hash);
+    const code = readBuffer();
+    const map = readBuffer();
+
+    return { code, map: JSON.parse(map) };
+
+    function readBuffer() {
+      const zero = bin.indexOf("\0");
+      const start = zero + 1;
+      const end = start + (0 | parseInt(bin.slice(0, zero)));
+      const buffer = decodeURIComponent(bin.slice(start, end));
+
+      bin = bin.slice(end);
+      return buffer;
     }
   }
 }

diff --git a/src/styles.css b/src/styles.css
@@ -49,7 +49,9 @@ h1 {
 }
 
 button#theme-toggle,
-button#menu {
+button#menu,
+button#json-view-toggle,
+button#visualizer-view-toggle {
   width: 3rem;
   height: 3rem;
   border: 0;
@@ -63,18 +65,23 @@ button#menu {
 }
 
 button#theme-toggle {
-  right: 1rem;
+  right: 2rem;
 }
 
 button#menu {
-  right: 5rem;
+  right: 6rem;
+}
+
+button#json-view-toggle,
+button#visualizer-view-toggle {
+  right: 10rem;
 }
 
 a {
   color: var(--text-accent);
 }
 
-details#files {
+details#files[open] {
   margin: 2rem;
 }
 
@@ -105,5 +112,16 @@ svg.icon {
 
 iframe {
   height: 100%;
-  margin: 1rem;
+  margin: 2rem;
+}
+
+#json-visualizer {
+  margin: 2rem;
+}
+
+#json-visualizer pre {
+  overflow: auto;
+  border: 0.1rem solid var(--border);
+  margin-bottom: 2rem;
+  padding: 2rem;
 }