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import produce from 'immer'; | |
import {createStore} from 'redux'; | |
const handleActions = (actionsMap, defaultState) => ( | |
state = defaultState, | |
{type, payload} | |
) => | |
produce(state, draft => { | |
const action = actionsMap[type]; | |
action && action(draft, payload); |
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// Implements stale-while-revalidate | |
self.addEventListener('fetch', event => { | |
const cached = caches.match(event.request); | |
const fetched = fetch(event.request); | |
const fetchedCopy = fetched.then(resp => resp.clone()); | |
// Call respondWith() with whatever we get first. | |
// If the fetch fails (e.g disconnected), wait for the cache. | |
// If there’s nothing in cache, wait for the fetch. | |
// If neither yields a response, return a 404. |
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/** Async version of Array.prototype.reduce() | |
* await reduce(['/foo', '/bar', '/baz'], async (acc, v) => { | |
* acc[v] = await (await fetch(v)).json(); | |
* return acc; | |
* }, {}); | |
*/ | |
export async function reduce(arr, fn, val, pure) { | |
for (let i=0; i<arr.length; i++) { | |
let v = await fn(val, arr[i], i, arr); | |
if (pure!==false) val = v; |
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import React from 'react' | |
import { render } from 'react-dom' | |
import { Match, Link, BrowserRouter as Router } from 'react-router' | |
import matchSorter from 'match-sorter' | |
import './styles.css' | |
const API = 'http://localhost:3000' | |
const token = localStorage.booksToken || Math.random().toString() | |
localStorage.booksToken = token |