added new Hourglass shape

packages/mermaid/src/rendering-util/rendering-elements/nodes.js

@@ -37,6 +37,7 @@ import { waveRectangle } from './shapes/waveRectangle.js';
 import { titledCylinder } from './shapes/tiltedCylinder.js';
 import { trapezoidalPentagon } from './shapes/trapezoidalPentagon.js';
 import { flippedTriangle } from './shapes/flippedTriangle.js';
+import { hourglass } from './shapes/hourglass.js';
 
 const shapes = {
   state,
@@ -77,6 +78,7 @@ const shapes = {
   titledCylinder,
   trapezoidalPentagon,
   flippedTriangle,
+  hourglass,
 };
 
 const nodeElems = new Map();

packages/mermaid/src/rendering-util/rendering-elements/shapes/hourglass.ts

@@ -0,0 +1,64 @@
+import { log } from '$root/logger.js';
+import { labelHelper, updateNodeBounds, getNodeClasses, createPathFromPoints } from './util.js';
+import intersect from '../intersect/index.js';
+import type { Node } from '$root/rendering-util/types.d.ts';
+import {
+  styles2String,
+  userNodeOverrides,
+} from '$root/rendering-util/rendering-elements/shapes/handdrawnStyles.js';
+import rough from 'roughjs';
+
+export const hourglass = async (parent: SVGAElement, node: Node) => {
+  const { labelStyles, nodeStyles } = styles2String(node);
+  node.label = '';
+  node.labelStyle = labelStyles;
+  const { shapeSvg } = await labelHelper(parent, node, getNodeClasses(node));
+
+  const w = 100;
+  const h = 100;
+
+  const { cssStyles } = node;
+
+  // @ts-ignore - rough is not typed
+  const rc = rough.svg(shapeSvg);
+  const options = userNodeOverrides(node, {});
+
+  if (node.look !== 'handdrawn') {
+    options.roughness = 0;
+    options.fillStyle = 'solid';
+  }
+
+  const points = [
+    { x: 0, y: 0 },
+    { x: w, y: 0 },
+    { x: 0, y: h },
+    { x: w, y: h },
+  ];
+
+  const pathData = createPathFromPoints(points);
+  const shapeNode = rc.path(pathData, options);
+  const polygon = shapeSvg.insert(() => shapeNode, ':first-child');
+  polygon.attr('class', 'basic label-container');
+
+  if (cssStyles) {
+    polygon.attr('style', cssStyles);
+  }
+
+  if (nodeStyles) {
+    polygon.attr('style', nodeStyles);
+  }
+
+  polygon.attr('transform', `translate(${-w / 2}, ${-h / 2})`);
+
+  updateNodeBounds(node, polygon);
+
+  // label.attr('transform', `translate(${-bbox.width / 2}, ${(h/2)})`); // To transform text below hourglass shape
+
+  node.intersect = function (point) {
+    log.info('Pill intersect', node, { points });
+    const pos = intersect.polygon(node, points, point);
+    return pos;
+  };
+
+  return shapeSvg;
+};