:sparkles: https://github.com/siyuan-note/siyuan/issues/2911 inline math

app/src/protyle/markdown/mathRender.ts

@@ -66,9 +66,15 @@ export const mathRender = (element: Element, cdn = Constants.PROTYLE_CDN, maxWid
                         }
                     } else {
                         if (blockElement && mathElement.getBoundingClientRect().width > blockElement.clientWidth) {
-                            mathElement.setAttribute("style", "max-width:100%;overflow-x:auto;overflow-y:hidden;display:inline-block");
+                            mathElement.style.maxWidth = "100%"
+                            mathElement.style.overflowX = "auto"
+                            mathElement.style.overflowY = "hidden"
+                            mathElement.style.display = "inline-block"
                         } else {
-                            mathElement.removeAttribute("style");
+                            mathElement.style.maxWidth = ""
+                            mathElement.style.overflowX = ""
+                            mathElement.style.overflowY = ""
+                            mathElement.style.display = ""
                         }
                         const nextSibling = hasNextSibling(mathElement);
                         if (!nextSibling) {

app/src/protyle/toolbar/InlineMath.ts

@@ -20,13 +20,6 @@ export class InlineMath extends ToolbarItem {
             if (!nodeElement) {
                 return;
             }
-
-            const inlineMathElement = hasClosestByAttribute(range.startContainer, "data-type", "inline-math");
-            if (inlineMathElement) {
-                mathRender(inlineMathElement);
-                return;
-            }
-
             if (!["DIV", "TD", "TH"].includes(range.startContainer.parentElement.tagName) && range.startOffset === 0 && !hasPreviousSibling(range.startContainer)) {
                 range.setStartBefore(range.startContainer.parentElement);
             }
@@ -38,14 +31,18 @@ export class InlineMath extends ToolbarItem {
             const html = nodeElement.outerHTML;
 
             const newElement = document.createElement("span");
+            const rangeString = range.toString();
             newElement.className = "render-node";
             newElement.setAttribute("contenteditable", "false");
             newElement.setAttribute("data-type", "inline-math");
             newElement.setAttribute("data-subtype", "math");
-            newElement.setAttribute("data-content", range.toString());
+            newElement.setAttribute("data-content", rangeString.trim());
             range.extractContents();
             range.insertNode(newElement);
             mathRender(newElement);
+            if (rangeString.trim() === "") {
+                protyle.toolbar.showRender(protyle, newElement);
+            }
             nodeElement.setAttribute("updated", dayjs().format("YYYYMMDDHHmmss"));
             updateTransaction(protyle, nodeElement.getAttribute("data-node-id"), nodeElement.outerHTML, html);
             wbrElement.remove();