Bar graph added.

node_modules/vega-scenegraph/src/path/parse.js

@@ -0,0 +1,49 @@
+// Path parsing and rendering code adapted from fabric.js -- Thanks!
+var cmdlen = { m:2, l:2, h:1, v:1, c:6, s:4, q:4, t:2, a:7 },
+    regexp = [/([MLHVCSQTAZmlhvcsqtaz])/g, /###/, /(\d)([-+])/g, /\s|,|###/];
+
+export default function(pathstr) {
+  var result = [],
+      path,
+      curr,
+      chunks,
+      parsed, param,
+      cmd, len, i, j, n, m;
+
+  // First, break path into command sequence
+  path = pathstr
+    .slice()
+    .replace(regexp[0], '###$1')
+    .split(regexp[1])
+    .slice(1);
+
+  // Next, parse each command in turn
+  for (i=0, n=path.length; i<n; ++i) {
+    curr = path[i];
+    chunks = curr
+      .slice(1)
+      .trim()
+      .replace(regexp[2],'$1###$2')
+      .split(regexp[3]);
+    cmd = curr.charAt(0);
+
+    parsed = [cmd];
+    for (j=0, m=chunks.length; j<m; ++j) {
+      if ((param = +chunks[j]) === param) { // not NaN
+        parsed.push(param);
+      }
+    }
+
+    len = cmdlen[cmd.toLowerCase()];
+    if (parsed.length-1 > len) {
+      for (j=1, m=parsed.length; j<m; j+=len) {
+        result.push([cmd].concat(parsed.slice(j, j+len)));
+      }
+    }
+    else {
+      result.push(parsed);
+    }
+  }
+
+  return result;
+}