ramda: map, filter, partial, partialRight, curry, __, pipe

ramda1.js

import { map, filter, partial, partialRight, curry, __, pipe } from "ramda"

const publishedInYear = curry((year, book) => book.year === year)

const titlesForYear = curry((year, books) =>
  pipe(
    filter(publishedInYear(year)),
    map(book => book.title),
  )(books),
)

const books = [
  { year: 2000, title: "OMG" },
  { year: 2000, title: "QBT" },
  { year: 2001, title: "SDF" },
  { year: 2001, title: "SFE" },
  { year: 2002, title: "HHJ" },
]

console.log("titlesForYear(books, 2000", titlesForYear(2000, books))