Merge remote-tracking branch 'ui/master'

ui/components/container.js

@@ -0,0 +1,28 @@
+"use strict";
+
+import m from "mithril";
+import * as components from "../components";
+import * as store from "../store";
+import * as expression from "../../lib/common/expression";
+import memoize from "../../lib/common/memoize";
+
+const memoizedParse = memoize(expression.parse);
+
+const component = {
+  view: vnode => {
+    if (vnode.attrs.filter) {
+      const filter = memoizedParse(vnode.attrs.filter);
+      if (!store.evaluateExpression(filter, vnode.attrs.device)) return null;
+    }
+
+    const children = Object.values(vnode.attrs.components).map(c => {
+      if (typeof c !== "object") return `${c}`;
+      const attrs = Object.assign({}, vnode.attrs, c);
+      return m(components.get(attrs.type), attrs);
+    });
+    if (vnode.attrs.element) return m(vnode.attrs.element, children);
+    else return children;
+  }
+};
+
+export default component;