map.md

map decorator

The map decorator allows to loop over the given selected array and map each item. You can explore the source code here.

The map function can not be async. If you need to use async, use the parallelMap decorator.

Example

Here we are just looping over the movies and adding extra information

  const { map, pipe, step } = require('@axa/bautajs-core')

  const getMovies = step(() => [{name: 'star wars'}, { name: 'petter' }]);
  const addGenresNamesToMovie = step((movie) => ({...movie, genre:'action'}));
  const addTmdbIdToMovie = step((movie) => ({...movie, tmdbId:'1234'}));

   const pipeline = pipe(
     getMovies,
     map(
        (movies) => movies,
        pipe(addGenresNamesToMovie, addTmdbIdToMovie)
      )
   );