Opentecc

tools

...

Hooks

• Sensors

• useBattery — tracks device battery state.
• useGeolocation — tracks geo location state of user's device.
• useHover and useHoverDirty — tracks mouse hover state of some element.
• useHash — tracks location hash value.
• useIdle — tracks whether user is being inactive.
• useIntersection — tracks an HTML element's intersection.
• useKey, useKeyPress, useKeyboardJs, and useKeyPressEvent — track keys.
• useLocation and useSearchParam — tracks page navigation bar location state.
• useLongPress — tracks long press gesture of some element.
• useMedia — tracks state of a CSS media query.
• useMediaDevices — tracks state of connected hardware devices.
• useMotion — tracks state of device's motion sensor.
• useMouse and useMouseHovered — tracks state of mouse position.
• useMouseWheel — tracks deltaY of scrolled mouse wheel.
• useNetworkState — tracks the state of browser's network connection.
• useOrientation — tracks state of device's screen orientation.
• usePageLeave — triggers when mouse leaves page boundaries.
• useScratch — tracks mouse click-and-scrub state.
• useScroll — tracks an HTML element's scroll position.
• useScrolling — tracks whether HTML element is scrolling.
• useStartTyping — detects when user starts typing.
• useWindowScroll — tracks Window scroll position.
• useWindowSize — tracks Window dimensions.
• useMeasure and useSize — tracks an HTML element's dimensions.
• createBreakpoint — tracks innerWidth
• useScrollbarWidth — detects browser's native scrollbars width.
• usePinchZoom — tracks pointer events to detect pinch zoom in and out status.

• UI

• useAudio — plays audio and exposes its controls.
• useClickAway — triggers callback when user clicks outside target area.
• useCss — dynamically adjusts CSS.
• useDrop and useDropArea — tracks file, link and copy-paste drops.
• useFullscreen — display an element or video full-screen.
• useSlider — provides slide behavior over any HTML element.
• useSpeech — synthesizes speech from a text string.
• useVibrate — provide physical feedback using the Vibration API.
• useVideo — plays video, tracks its state, and exposes playback controls.

• Animations

• useRaf — re-renders component on each requestAnimationFrame.
• useInterval and useHarmonicIntervalFn — re-renders component on a set interval using setInterval.
• useSpring — interpolates number over time according to spring dynamics.
• useTimeout — re-renders component after a timeout.
• useTimeoutFn — calls given function after a timeout.
• useTween — re-renders component, while tweening a number from 0 to 1.
• useUpdate — returns a callback, which re-renders component when called.

• Side-effects

• useAsync, useAsyncFn, and useAsyncRetry — resolves an async function.
• useBeforeUnload — shows browser alert when user try to reload or close the page.
• useCookie — provides way to read, update and delete a cookie.
• useCopyToClipboard — copies text to clipboard.
• useDebounce — debounces a function.
• useError — error dispatcher.
• useFavicon — sets favicon of the page.
• useLocalStorage — manages a value in localStorage.
• useLockBodyScroll — lock scrolling of the body element.
• useRafLoop — calls given function inside the RAF loop.
• useSessionStorage — manages a value in sessionStorage.
• useThrottle and useThrottleFn — throttles a function.
• useTitle — sets title of the page.
• usePermission — query permission status for browser APIs.

• Lifecycles

• useEffectOnce — a modified useEffect hook that only runs once.
• useEvent — subscribe to events.
• useLifecycles — calls mount and unmount callbacks.
• useMountedState and useUnmountPromise — track if component is mounted.
• usePromise — resolves promise only while component is mounted.
• useLogger — logs in console as component goes through life-cycles.
• useMount — calls mount callbacks.
• useUnmount — calls unmount callbacks.
• useUpdateEffect — run an effect only on updates.
• useIsomorphicLayoutEffect — useLayoutEffect that that works on server.
• useDeepCompareEffect, useShallowCompareEffect, and useCustomCompareEffect

• State

• createMemo — factory of memoized hooks.
• createReducer — factory of reducer hooks with custom middleware.
• createReducerContext and createStateContext — factory of hooks for a sharing state between components.
• useDefault — returns the default value when state is null or undefined.
• useGetSet — returns state getter get() instead of raw state.
• useGetSetState — as if useGetSet and useSetState had a baby.
• useLatest — returns the latest state or props
• usePrevious — returns the previous state or props.
• usePreviousDistinct — like usePrevious but with a predicate to determine if previous should update.
• useObservable — tracks latest value of an Observable.
• useRafState — creates setState method which only updates after requestAnimationFrame.
• useSetState — creates setState method which works like this.setState.
• useStateList — circularly iterates over an array.
• useToggle and useBoolean — tracks state of a boolean.
• useCounter and useNumber — tracks state of a number.
• useList and useUpsert — tracks state of an array.
• useMap — tracks state of an object.
• useSet — tracks state of a Set.
• useQueue — implements simple queue.
• useStateValidator — tracks state of an object.
• useStateWithHistory — stores previous state values and provides handles to travel through them.
• useMultiStateValidator — alike the useStateValidator, but tracks multiple states at a time.
• useMediatedState — like the regular useState but with mediation by custom function.
• useFirstMountState — check if current render is first.
• useRendersCount — count component renders.
• createGlobalState — cross component shared state.
• useMethods — neat alternative to useReducer.

• Miscellaneous

• useEnsuredForwardedRef and ensuredForwardRef — use a React.forwardedRef safely.