facile-it / json-api-ts

#!/usr/bin/env node

import {either, fold} from 'fp-ts/lib/Either';

import {pipe, pipeable} from 'fp-ts/lib/pipeable';

import {taskEither} from 'fp-ts/lib/TaskEither';

import {CompoundDocument} from '../src/CompoundDocument';

import {Document} from '../src/Document';

import {ArrayC} from '../src/io/ArrayC';

import {Json} from '../src/Json';

import {RelationshipsCache} from '../src/RelationshipsCache';

const TE = pipeable(taskEither);

const E = pipeable(either);

pipe(

  Json.fromFile(process.argv[2]),

  TE.map(

    u => {

      const count = null === u || undefined === u

        ? 0

        : ArrayC().is(u)

          ? u.length

          : 1;

      console.log(`>¦  Encoding ${count} item(s)`);

      return u;

    }

  ),

  TE.map(u => CompoundDocument.fromJson(u, true)),

  TE.map(

    w => {

      const [data, relationships] = w();

      const cache = RelationshipsCache.fromRelationships(relationships);

      const counter = RelationshipsCache.lens.counter.get(cache);

      const included = Object.keys(RelationshipsCache.lens.global.get(cache)).length;

      console.log(` ¦> ${included} resource(s) found among ${counter} relationship(s)`);

      return w;

    }

  ),

  TE.map(Document.fromCompoundDocument)

)()

  .then(

    either => pipe(

      either,

      E.map(JSON.stringify),

      fold(

        error => {

          throw error;

        },

        data => console.log(data)

      )

    )

  )

  .catch(error => console.error(error));