substance/model/ChangeRecorder.js

Substance is a JavaScript library for web-based content editing. It provides building blocks for realizing custom text editors and web-based publishing system. It is developed to power our online editing platform [Substance](http://substance.io).

import EditingInterface from './EditingInterface'

export default class ChangeRecorder extends EditingInterface {
  constructor (doc) {
    super(doc.clone())
  }

  generateChange () {
    const doc = this.getDocument()
    const ops = doc._ops.slice()
    doc._ops.length = 0
    const change = doc._createDocumentChange(ops, {}, {})
    change._extractInformation(doc)
    return change
  }
}