BookStack Code Mirror - bookstack/blob - resources/js/editor/commands.js

   1 export function setBlockAttr(attrName, attrValue) {
   2     return function (state, dispatch) {
   3         const ref = state.selection;
   4         const from = ref.from;
   5         const to = ref.to;
   6         let applicable = false;
   7
   8         state.doc.nodesBetween(from, to, function (node, pos) {
   9             if (applicable) {
  10                 return false
  11             }
  12             if (!node.isTextblock || node.attrs[attrName] === attrValue) {
  13                 return
  14             }
  15
  16             applicable = node.attrs[attrName] !== undefined;
  17         });
  18
  19         if (!applicable) {
  20             return false
  21         }
  22
  23         if (dispatch) {
  24             const tr = state.tr;
  25             tr.doc.nodesBetween(from, to, function (node, pos) {
  26                 const nodeAttrs = Object.assign({}, node.attrs);
  27                 if (node.attrs[attrName] !== undefined) {
  28                     nodeAttrs[attrName] = attrValue;
  29                     tr.setBlockType(pos, pos+1, node.type, nodeAttrs)
  30                 }
  31             });
  32
  33             dispatch(tr);
  34         }
  35
  36         return true
  37     }
  38 }