Add release post for webR 0.3.1 (#689)

* Update webR to v0.3.0-rc.0

* webR 0.3.0

* webR 0.3.1

* Update content/blog/webr-0-3-1/index.md

Co-authored-by: Lionel Henry <[email protected]>

* Apply suggestions from review

* Update date

* Style nit

---------

Co-authored-by: Lionel Henry <[email protected]>

layouts/shortcodes/webr-editor.html

@@ -27,6 +27,7 @@
       withAutoprint: true,
       captureStreams: true,
       captureConditions: false,
+      captureGraphics: false,
       env: {},
     });
     try {
@@ -35,6 +36,17 @@
         evt => evt.type == 'stdout' || evt.type == 'stderr'
       ).map((evt) => evt.data).join('\n');
 
+      outputDiv.innerHTML = '';
+      const pre = document.createElement("pre");
+      if (/\S/.test(out)) {
+        const code = document.createElement("code");
+        code.innerText = out;
+        pre.appendChild(code);
+      } else {
+        pre.style.visibility = 'hidden';
+      }
+      outputDiv.appendChild(pre);
+
       const msgs = await webR.flush();
       msgs.forEach(msg => {
         if (msg.type === 'canvas'){
@@ -49,26 +61,13 @@
             canvas.style.width="700px";
             canvas.style.display="block";
             canvas.style.margin="auto";
+            // Add it to the output block
+            const p = document.createElement("p");
+            p.appendChild(canvas);
+            outputDiv.appendChild(p);
           }
         }
       });
-
-      outputDiv.innerHTML = '';
-      const pre = document.createElement("pre");
-      if (/\S/.test(out)) {
-        const code = document.createElement("code");
-        code.innerText = out;
-        pre.appendChild(code);
-      } else {
-        pre.style.visibility = 'hidden';
-      }
-      outputDiv.appendChild(pre);
-
-      if (canvas) {
-        const p = document.createElement("p");
-        p.appendChild(canvas);
-        outputDiv.appendChild(p);
-      }
     } finally {
       webRCodeShelter.purge();
       runButton.disabled = false;

layouts/shortcodes/webr-init.html

@@ -12,11 +12,12 @@
 <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/codemirror.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/6.65.7/mode/r/r.js"></script>
 <script type="module">
-  import { WebR } from 'https://webr.r-wasm.org/v0.2.0/webr.mjs';
-  globalThis.webR = new WebR({
-    serviceWorkerUrl: '/'
-  });
+  import { WebR } from 'https://webr.r-wasm.org/v0.3.1/webr.mjs';
+  globalThis.webR = new WebR();
   await globalThis.webR.init();
+  await webR.evalRVoid("webr::shim_install()");
+  await webR.evalRVoid("webr::global_prompt_install()", { withHandlers: false });
+
   globalThis.webRCodeShelter = await new globalThis.webR.Shelter();
   document.querySelectorAll(".btn-webr").forEach((btn) => {
     btn.innerText = 'Run code';