Function blockNode

app/javascript/elements/html_editor.js:150–164

(name, tag, content, extra = {})

function buildExtensions ({ Node, Mark, Extension, Plugin, Decoration, DecorationSet }) {
  const blockNode = (name, tag, content, extra = {}) => Node.create({
    name,
    group: 'block',
    content: content || 'block+',
    ...extra,
    addAttributes () {
      return { htmlAttrs: { default: {} } }
    },
    parseHTML () {
      return [{ tag, getAttrs: collectDomAttrs }]
    },
    renderHTML ({ node }) {
      return [tag, node.attrs.htmlAttrs, 0]
    }
  })

  const attrsMark = (name, tag) => Mark.create({
    name,