Got alignment buttons barely working for paragraphs

resources/js/editor/commands.js

@@ -0,0 +1,38 @@
+export function setBlockAttr(attrName, attrValue) {
+    return function (state, dispatch) {
+        const ref = state.selection;
+        const from = ref.from;
+        const to = ref.to;
+        let applicable = false;
+
+        state.doc.nodesBetween(from, to, function (node, pos) {
+            if (applicable) {
+                return false
+            }
+            if (!node.isTextblock || node.attrs[attrName] === attrValue) {
+                return
+            }
+
+            applicable = node.attrs[attrName] !== undefined;
+        });
+
+        if (!applicable) {
+            return false
+        }
+
+        if (dispatch) {
+            const tr = state.tr;
+            tr.doc.nodesBetween(from, to, function (node, pos) {
+                const nodeAttrs = Object.assign({}, node.attrs);
+                if (node.attrs[attrName] !== undefined) {
+                    nodeAttrs[attrName] = attrValue;
+                    tr.setBlockType(pos, pos+1, node.type, nodeAttrs)
+                }
+            });
+
+            dispatch(tr);
+        }
+
+        return true
+    }
+}