utils/difftochanges

@ckeditor/ckeditor5-utils/src/difftochanges

Functions

• diffToChanges( diff, output ) → Array.<Object>module:utils/difftochanges.diffToChanges

  static

  Creates a set of changes which need to be applied to the input in order to transform it into the output. This function can be used with strings or arrays.

  See source

  const input = Array.from( 'abc' );
  const output = Array.from( 'xaby' );
  const changes = diffToChanges( diff( input, output ), output );
  
  changes.forEach( change => {
      if ( change.type == 'insert' ) {
          input.splice( change.index, 0, ...change.values );
      } else if ( change.type == 'delete' ) {
          input.splice( change.index, change.howMany );
      }
  } );
  
  input.join( '' ) == output.join( '' ); // -> true

  Parameters

  diff : Array.<('equal' | 'insert' | 'delete')>

  Result of diff.

  output : String | Array

  The string or array which was passed as diff's output.

  Returns

  Array.<Object>

  Set of changes (insert or delete) which need to be applied to the input in order to transform it into the output.