browser sdk for the moot app

moot-sdk-browser.js

import fetch from 'whatwg-fetch'

// TODO need to actually use encode/decode on parameters
function generateQueryParameters({ filter, include, fields }) {
	const fieldParameters = (fields || [])
		.map(field => {
			return `fields[${field.name}]=${field.keys.join(',')}`
		})
		.join('&')

	const includeParameters = (include || []).join(',')

	const filterParameters = Object.keys(filter || {})
		.map(key => `${key}=${filter[key]}`)
		.join('&')

	const properties = [
		fieldParameters,
		includeParameters,
		filterParameters
	]
	.filter(Boolean)
	.join('&')

	return properties && ('?' + properties) || ''
}

export default ({ baseUrl, apiUsesDifferentDomain }) => ({ method, url, filter, include, fields, body, files }) => {
	const actualUrl = baseUrl + url + generateQueryParameters({ filter, include, fields })
	const options = {
		method,
		credentials: apiUsesDifferentDomain
			? 'include'
			: 'same-origin'
	}

	if (files) {
		options.body = files
			.map((form, file) => {
				form.append(file.name, file.data)
			}, new FormData())
	} else {
		options.header = {
			'Content-Type': 'application/json'
		}

		if (body) {
			options.body = JSON.stringify(body)
		}
	}

	return fetch(actualUrl, options)
		.then(response => {
			if (response.status >= 200 && response.status < 300) {
				return response
			} else {
				const error = new Error(response.statusText)
				error.name = 'ApiException'
				error.response = response
				throw error
			}
		})
		.then(response => response.json())
}