@atlaskit/editor-common/dist/esm/utils/is-text-input.js

A package that contains common classes and components for editor and renderer

import _slicedToArray from "@babel/runtime/helpers/slicedToArray";
// TODO: remove from editor-core utils, re-export from editor-common

import { ReplaceStep } from '@atlaskit/editor-prosemirror/transform';
export var isTextInput = function isTextInput(tr) {
  var _tr$steps = _slicedToArray(tr.steps, 1),
    step = _tr$steps[0];
  if (!step || !(step instanceof ReplaceStep)) {
    return false;
  }
  var _ref = step,
    content = _ref.slice.content,
    from = _ref.from,
    to = _ref.to;
  var char = content.firstChild;
  return from === to && content.childCount === 1 && !!char && !!char.text && char.text.length === 1;
};