functional-library-javascript/gz-districts-cli.js at main · mekkamagnus/functional-library-javascript

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import { Task } from './types.js';

import { Either } from './types.js';

import { map, compose } from 'ramda';

const { Right, Left, fromNullable, tryCatch } = Either;

const url = 'http://localhost:3500/guangzhou';

const fetchDistricts = url =>

Task((rej, res) =>

fetch(url)

.then(res => res.json())

.then(res)

.catch(rej),

);

const showDistrict = x => x.district;

const listDistricts = response =>

response.forEach(item =>

console.log(

`The city of ${item.district} (${item['中文']}) has a population ${item.population}.`,

),

);

//====================================

fetchDistricts(url).fork(console.log, listDistricts);

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