| import { useState, useCallback } from "react"; | |
| function useToggle(initialValue = false){ | |
| // State with initial boolean value (true/false) | |
| const [state, setState] = useState(initialValue); | |
| // Let's create a toggle function | |
| // This works, but we're using the state value from above | |
| // instead of the current state. Usually they are the same, | |
| // but if this hook was triggered multiple times rapidly then |
| import { useState, useCallback, useRef } from "react"; | |
| // Usage | |
| function App() { | |
| const [hoverRef, isHovered] = useHover(); | |
| return ( | |
| <div ref={hoverRef}> | |
| {isHovered ? '😁' : '☹️'} | |
| </div> |
| // ******************************************************************* | |
| // ATTENTION | |
| // This gist is now an npm module | |
| // The API of some functions is altered slightly. | |
| // All future work will happen in the repo. | |
| // | |
| // https://gitlab.com/rhythnic/vuex-intern | |
| // ******************************************************************* | |
| // ******************************************************************* |
| import { AbilityBuilder, Ability } from 'casl' | |
| // Alternatively this data can be retrieved from server | |
| export default function defineAbilitiesFor(user) { | |
| const { rules, can } = AbilityBuilder.extract() | |
| can('read', 'User') | |
| can('update', 'User', { id: user.id }) | |
| if (user.role === 'doctor') { |
| axios({ | |
| url: 'http://localhost:5000/static/example.pdf', | |
| method: 'GET', | |
| responseType: 'blob', // important | |
| }).then((response) => { | |
| const url = window.URL.createObjectURL(new Blob([response.data])); | |
| const link = document.createElement('a'); | |
| link.href = url; | |
| link.setAttribute('download', 'file.pdf'); | |
| document.body.appendChild(link); |
| OBSOLETE PREFIXES | |
| -xv-interpret-as // -xv- and -o- are old Opera prefixes for the Presto | |
| -xv-phonemes // engine. Opera switched to the Blink engine with | |
| -xv-voice-balance // version 15. The current version is 34. | |
| -xv-voice-duration | |
| -xv-voice-pitch | |
| -xv-voice-pitch-range | |
| -xv-voice-rate | |
| -xv-voice-stress | |
| -xv-voice-volume |
Test apparatus: http://jsfiddle.net/hRub4/
(Windows = Windows 8.1 desktop)
| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| Version 2, December 2004 | |
| Copyright (C) 2011 Jed Schmidt <http://jed.is> | |
| Everyone is permitted to copy and distribute verbatim or modified | |
| copies of this license document, and changing it is allowed as long | |
| as the name is changed. | |
| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE |
