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1import { Easing } from 'react-native';
2
3const EASING_FUNCTIONS = {
4 // Standard CSS easings
5
6 linear: Easing.linear,
7 ease: Easing.bezier(0.25, 0.1, 0.25, 1),
8 'ease-in': Easing.bezier(0.42, 0, 1, 1),
9 'ease-out': Easing.bezier(0, 0, 0.58, 1),
10 'ease-in-out': Easing.bezier(0.42, 0, 0.58, 1),
11
12 // Penner Equations - http://matthewlein.com/ceaser/ & http://easings.net
13
14 'ease-in-cubic': Easing.bezier(0.55, 0.055, 0.675, 0.19),
15 'ease-out-cubic': Easing.bezier(0.215, 0.61, 0.355, 1.0),
16 'ease-in-out-cubic': Easing.bezier(0.645, 0.045, 0.355, 1.0),
17
18 'ease-in-circ': Easing.bezier(0.6, 0.04, 0.98, 0.335),
19 'ease-out-circ': Easing.bezier(0.075, 0.82, 0.165, 1.0),
20 'ease-in-out-circ': Easing.bezier(0.785, 0.135, 0.15, 0.86),
21
22 'ease-in-expo': Easing.bezier(0.95, 0.05, 0.795, 0.035),
23 'ease-out-expo': Easing.bezier(0.19, 1.0, 0.22, 1.0),
24 'ease-in-out-expo': Easing.bezier(1.0, 0.0, 0.0, 1.0),
25
26 'ease-in-quad': Easing.bezier(0.55, 0.085, 0.68, 0.53),
27 'ease-out-quad': Easing.bezier(0.25, 0.46, 0.45, 0.94),
28 'ease-in-out-quad': Easing.bezier(0.455, 0.03, 0.515, 0.955),
29
30 'ease-in-quart': Easing.bezier(0.895, 0.03, 0.685, 0.22),
31 'ease-out-quart': Easing.bezier(0.165, 0.84, 0.44, 1.0),
32 'ease-in-out-quart': Easing.bezier(0.77, 0.0, 0.175, 1.0),
33
34 'ease-in-quint': Easing.bezier(0.755, 0.05, 0.855, 0.06),
35 'ease-out-quint': Easing.bezier(0.23, 1.0, 0.32, 1.0),
36 'ease-in-out-quint': Easing.bezier(0.86, 0.0, 0.07, 1.0),
37
38 'ease-in-sine': Easing.bezier(0.47, 0.0, 0.745, 0.715),
39 'ease-out-sine': Easing.bezier(0.39, 0.575, 0.565, 1.0),
40 'ease-in-out-sine': Easing.bezier(0.445, 0.05, 0.55, 0.95),
41
42 'ease-in-back': Easing.bezier(0.6, -0.28, 0.735, 0.045),
43 'ease-out-back': Easing.bezier(0.175, 0.885, 0.32, 1.275),
44 'ease-in-out-back': Easing.bezier(0.68, -0.55, 0.265, 1.55),
45};
46
47export default EASING_FUNCTIONS;