first commit

node_modules/d3-shape/src/symbol/triangle.js

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+import {sqrt} from "../math.js";
+
+const sqrt3 = sqrt(3);
+
+export default {
+  draw(context, size) {
+    const y = -sqrt(size / (sqrt3 * 3));
+    context.moveTo(0, y * 2);
+    context.lineTo(-sqrt3 * y, -y);
+    context.lineTo(sqrt3 * y, -y);
+    context.closePath();
+  }
+};