chore: add changeset

on-behalf-of: @Mermaid-Chart <hello@mermaidchart.com>

.changeset/chilly-words-march.md

@@ -1,5 +0,0 @@
----
-'mermaid': patch
----
-
-fix: Correct viewBox casing and make SVGs responsive

.changeset/eager-pigs-help.md

@@ -0,0 +1,5 @@
+---
+'mermaid': patch
+---
+
+fix: Handle backslash parsing in math formulas within new flowchart shape syntax

.github/workflows/e2e-timings.yml

@@ -58,7 +58,7 @@ jobs:
           echo "EOF" >> $GITHUB_OUTPUT
 
       - name: Commit and create pull request
-        uses: peter-evans/create-pull-request@46cdba753c74545733b821043d64bd6925fc4da9
+        uses: peter-evans/create-pull-request@915d841dae6a4f191bb78faf61a257411d7be4d2
         with:
           add-paths: |
             cypress/timings.json

cypress/helpers/util.ts

@@ -99,7 +99,6 @@ export const openURLAndVerifyRendering = (
   cy.visit(url);
   cy.window().should('have.property', 'rendered', true);
   cy.get('svg').should('be.visible');
-  cy.get('svg').should('not.have.attr', 'viewbox');
 
   if (validation) {
     cy.get('svg').should(validation);

packages/mermaid/src/diagrams/flowchart/parser/flow-node-data.spec.js

@@ -144,6 +144,16 @@ describe('when parsing directions', function () {
     expect(data4Layout.nodes[0].shape).toEqual('rounded');
     expect(data4Layout.nodes[0].label).toEqual('DD');
   });
+  it('should handle mathematical formulas with backslashes in quoted strings', function () {
+    const res = flow.parser.parse(`flowchart TB
+      A@{ shape: rect, label: "$$\\sin x$$"}`);
+
+    const data4Layout = flow.parser.yy.getData();
+
+    expect(data4Layout.nodes.length).toBe(1);
+    expect(data4Layout.nodes[0].shape).toEqual('rect');
+    expect(data4Layout.nodes[0].label).toEqual('$$\\sin x$$');
+  });
   it('should be possible to link to a node with more data', function () {
     const res = flow.parser.parse(`flowchart TB
       A --> D@{

packages/mermaid/src/diagrams/flowchart/parser/flow.jison

@@ -53,6 +53,7 @@ accDescr\s*"{"\s*                               { this.begin("acc_descr_multilin
                                                     // console.log('shapeData', yytext);
                                                     const re = /\n\s*/g;
                                                     yytext = yytext.replace(re,"<br/>");
+                                                    yytext = yytext.replace(/\\/g, "\\\\");
                                                     return 'SHAPE_DATA'}
 <shapeData>[^}^"]+                                {
                                                     // console.log('shapeData', yytext);

packages/mermaid/src/diagrams/packet/renderer.ts

@@ -16,7 +16,7 @@ const draw: DrawDefinition = (_text, id, _version, diagram: Diagram) => {
   const svgWidth = bitWidth * bitsPerRow + 2;
   const svg: SVG = selectSvgElement(id);
 
-  svg.attr('viewBox', `0 0 ${svgWidth} ${svgHeight}`);
+  svg.attr('viewbox', `0 0 ${svgWidth} ${svgHeight}`);
   configureSvgSize(svg, svgHeight, svgWidth, config.useMaxWidth);
 
   for (const [word, packet] of words.entries()) {

packages/mermaid/src/diagrams/radar/renderer.ts

@@ -2,7 +2,6 @@ import type { Diagram } from '../../Diagram.js';
 import type { RadarDiagramConfig } from '../../config.type.js';
 import type { DiagramRenderer, DrawDefinition, SVG, SVGGroup } from '../../diagram-api/types.js';
 import { selectSvgElement } from '../../rendering-util/selectSvgElement.js';
-import { configureSvgSize } from '../../setupGraphViewbox.js';
 import type { RadarDB, RadarAxis, RadarCurve } from './types.js';
 
 const draw: DrawDefinition = (_text, id, _version, diagram: Diagram) => {
@@ -54,9 +53,11 @@ const drawFrame = (svg: SVG, config: Required<RadarDiagramConfig>): SVGGroup =>
     x: config.marginLeft + config.width / 2,
     y: config.marginTop + config.height / 2,
   };
-  configureSvgSize(svg, totalHeight, totalWidth, config.useMaxWidth ?? true);
-
-  svg.attr('viewBox', `0 0 ${totalWidth} ${totalHeight}`);
+  // Initialize the SVG
+  svg
+    .attr('viewbox', `0 0 ${totalWidth} ${totalHeight}`)
+    .attr('width', totalWidth)
+    .attr('height', totalHeight);
   // g element to center the radar chart
   return svg.append('g').attr('transform', `translate(${center.x}, ${center.y})`);
 };