react-native-really-awesome-button/lib/module/helpers.js

React Native Button UI component that renders an 60fps animated set of progress enabled 3D performant buttons.

import { Animated, Easing } from 'react-native';
import { ANIMATED_SPRING_TENSION, ANIMATED_SPRING_FRICTION, ANIMATED_ELASTIC_DURATION, ANIMATED_ELASTIC_BOUNCINESS, ANIMATED_TIMING_IN } from './constants';
export function animateTiming(_ref) {
  let {
    variable,
    toValue,
    duration = ANIMATED_TIMING_IN,
    delay = 0,
    easing = Easing.out(Easing.cubic)
  } = _ref;
  return Animated.timing(variable, {
    toValue,
    duration,
    easing,
    delay,
    useNativeDriver: true
  });
}
export function animateLoop(_ref2) {
  let {
    variable,
    toValue,
    duration = 3223,
    easing = Easing.linear
  } = _ref2;
  const animation = Animated.loop(Animated.timing(variable, {
    toValue,
    duration,
    easing,
    isInteraction: false,
    useNativeDriver: true
  }));
  animation.start();
  return animation;
}
export function animateSpring(_ref3) {
  let {
    variable,
    toValue,
    delay = 0,
    tension = ANIMATED_SPRING_TENSION,
    friction = ANIMATED_SPRING_FRICTION
  } = _ref3;
  return Animated.spring(variable, {
    toValue,
    tension,
    friction,
    delay,
    useNativeDriver: true
  });
}
export function animateElastic(params) {
  return animateTiming({
    duration: ANIMATED_ELASTIC_DURATION,
    easing: Easing.elastic(ANIMATED_ELASTIC_BOUNCINESS),
    ...params
  });
}
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