react-native-dates-picker
Version:
Customizable date picker for React Native
114 lines (113 loc) • 4.21 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _react = _interopRequireWildcard(require("react"));
var _reactNative = require("react-native");
var _CalendarContext = require("../../../CalendarContext");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
const WheelPickerItem = ({
height,
option,
index,
visibleRest,
currentScrollIndex,
opacityFunction,
rotationFunction,
scaleFunction
}) => {
const {
theme
} = (0, _CalendarContext.useCalendarContext)();
const relativeScrollIndex = (0, _react.useMemo)(() => _reactNative.Animated.subtract(index, currentScrollIndex), [index, currentScrollIndex]);
const interpolInputRange = (0, _react.useMemo)(() => {
const range = [0];
for (let i = 1; i <= visibleRest + 1; i++) {
range.unshift(-i);
range.push(i);
}
return range;
}, [visibleRest]);
const translateYOutputRange = (0, _react.useMemo)(() => {
const range = [0];
for (let i = 1; i <= visibleRest + 1; i++) {
let y = height / 2 * (1 - Math.sin(Math.PI / 2 - rotationFunction(i)));
for (let j = 1; j < i; j++) {
y += height * (1 - Math.sin(Math.PI / 2 - rotationFunction(j)));
}
range.unshift(y);
range.push(-y);
}
return range;
}, [height, visibleRest, rotationFunction]);
const opacityOutputRange = (0, _react.useMemo)(() => {
const range = [1];
for (let x = 1; x <= visibleRest + 1; x++) {
const val = opacityFunction(x);
range.unshift(val);
range.push(val);
}
return range;
}, [visibleRest, opacityFunction]);
const scaleOutputRange = (0, _react.useMemo)(() => {
const range = [1];
for (let x = 1; x <= visibleRest + 1; x++) {
const val = scaleFunction(x);
range.unshift(val);
range.push(val);
}
return range;
}, [visibleRest, scaleFunction]);
const rotateXOutputRange = (0, _react.useMemo)(() => {
const range = ['0deg'];
for (let x = 1; x <= visibleRest + 1; x++) {
const deg = `${rotationFunction(x)}deg`;
range.unshift(deg);
range.push(deg);
}
return range;
}, [visibleRest, rotationFunction]);
const translateY = relativeScrollIndex.interpolate({
inputRange: interpolInputRange,
outputRange: translateYOutputRange
});
const opacity = relativeScrollIndex.interpolate({
inputRange: interpolInputRange,
outputRange: opacityOutputRange
});
const scale = relativeScrollIndex.interpolate({
inputRange: interpolInputRange,
outputRange: scaleOutputRange
});
const rotateX = relativeScrollIndex.interpolate({
inputRange: interpolInputRange,
outputRange: rotateXOutputRange
});
return /*#__PURE__*/_react.default.createElement(_reactNative.Animated.View, {
style: [styles.option, {
height,
opacity,
transform: [{
translateY
}, {
rotateX
}, {
scale
}]
}, theme.wheelPickerItemStyle]
}, /*#__PURE__*/_react.default.createElement(_reactNative.Text, {
style: theme.wheelPickerTextStyle
}, option === null || option === void 0 ? void 0 : option.text));
};
const styles = _reactNative.StyleSheet.create({
option: {
alignItems: 'center',
justifyContent: 'center',
paddingHorizontal: 10,
zIndex: 100
}
});
var _default = exports.default = /*#__PURE__*/(0, _react.memo)(WheelPickerItem);
//# sourceMappingURL=wheel-picker-item.js.map