tiptap/packages/core/src/commands/resetAttributes.ts

import { MarkType, NodeType } from '@tiptap/pm/model'

import { getMarkType } from '../helpers/getMarkType.js'
import { getNodeType } from '../helpers/getNodeType.js'
import { getSchemaTypeNameByName } from '../helpers/getSchemaTypeNameByName.js'
import { RawCommands } from '../types.js'
import { deleteProps } from '../utilities/deleteProps.js'

declare module '@tiptap/core' {
  interface Commands<ReturnType> {
    resetAttributes: {
      /**
       * Resets some node attributes to the default value.
       * @param typeOrName The type or name of the node.
       * @param attributes The attributes of the node to reset.
       * @example editor.commands.resetAttributes('heading', 'level')
       */
      resetAttributes: (
        typeOrName: string | NodeType | MarkType,
        attributes: string | string[],
      ) => ReturnType
    }
  }
}

export const resetAttributes: RawCommands['resetAttributes'] = (typeOrName, attributes) => ({ tr, state, dispatch }) => {
  let nodeType: NodeType | null = null
  let markType: MarkType | null = null

  const schemaType = getSchemaTypeNameByName(
    typeof typeOrName === 'string' ? typeOrName : typeOrName.name,
    state.schema,
  )

  if (!schemaType) {
    return false
  }

  if (schemaType === 'node') {
    nodeType = getNodeType(typeOrName as NodeType, state.schema)
  }

  if (schemaType === 'mark') {
    markType = getMarkType(typeOrName as MarkType, state.schema)
  }

  if (dispatch) {
    tr.selection.ranges.forEach(range => {
      state.doc.nodesBetween(range.$from.pos, range.$to.pos, (node, pos) => {
        if (nodeType && nodeType === node.type) {
          tr.setNodeMarkup(pos, undefined, deleteProps(node.attrs, attributes))
        }

        if (markType && node.marks.length) {
          node.marks.forEach(mark => {
            if (markType === mark.type) {
              tr.addMark(
                pos,
                pos + node.nodeSize,
                markType.create(deleteProps(mark.attrs, attributes)),
              )
            }
          })
        }
      })
    })
  }

  return true
}