@arpitbhalla/rneui-base-dev
Version:
Cross Platform React Native UI Toolkit
174 lines (173 loc) • 8.55 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.TabBase = void 0;
var react_1 = __importDefault(require("react"));
var react_native_1 = require("react-native");
var helpers_1 = require("../helpers");
var TabBase = function (_a) {
var _b, _c;
var _d = _a.theme, theme = _d === void 0 ? helpers_1.defaultTheme : _d, children = _a.children, _e = _a.value, value = _e === void 0 ? 0 : _e, _f = _a.scrollable, scrollable = _f === void 0 ? false : _f, _g = _a.onChange, onChange = _g === void 0 ? function () { } : _g, indicatorStyle = _a.indicatorStyle, disableIndicator = _a.disableIndicator, _h = _a.variant, variant = _h === void 0 ? 'default' : _h, style = _a.style, dense = _a.dense, iconPosition = _a.iconPosition, buttonStyle = _a.buttonStyle, titleStyle = _a.titleStyle, containerStyle = _a.containerStyle, rest = __rest(_a, ["theme", "children", "value", "scrollable", "onChange", "indicatorStyle", "disableIndicator", "variant", "style", "dense", "iconPosition", "buttonStyle", "titleStyle", "containerStyle"]);
var animationRef = react_1.default.useRef(new react_native_1.Animated.Value(0));
var scrollViewRef = react_1.default.useRef(null);
var scrollViewPosition = react_1.default.useRef(0);
var validChildren = react_1.default.useMemo(function () { return react_1.default.Children.toArray(children); }, [children]);
var tabItemPositions = react_1.default.useRef([]);
var _j = react_1.default.useState(0), tabContainerWidth = _j[0], setTabContainerWidth = _j[1];
var scrollHandler = react_1.default.useCallback(function (currValue) {
if (tabItemPositions.current.length > currValue) {
var itemStartPosition = currValue === 0
? 0
: tabItemPositions.current[currValue - 1].position;
var itemEndPosition = tabItemPositions.current[currValue].position;
var scrollCurrentPosition = scrollViewPosition.current;
var tabContainerCurrentWidth = tabContainerWidth;
var scrollX_1 = scrollCurrentPosition;
if (itemStartPosition < scrollCurrentPosition) {
scrollX_1 += itemStartPosition - scrollCurrentPosition;
}
else if (scrollCurrentPosition + tabContainerCurrentWidth <
itemEndPosition) {
scrollX_1 +=
itemEndPosition -
(scrollCurrentPosition + tabContainerCurrentWidth);
}
scrollViewRef.current.scrollTo({
x: scrollX_1,
y: 0,
animated: true,
});
}
}, [tabContainerWidth]);
react_1.default.useEffect(function () {
react_native_1.Animated.timing(animationRef.current, {
toValue: value,
useNativeDriver: true,
duration: 170,
}).start();
scrollable && requestAnimationFrame(function () { return scrollHandler(value); });
}, [animationRef, scrollHandler, value, scrollable]);
var onScrollHandler = react_1.default.useCallback(function (event) {
scrollViewPosition.current = event.nativeEvent.contentOffset.x;
}, []);
var indicatorTransitionInterpolate = react_1.default.useMemo(function () {
var countItems = validChildren.length;
if (countItems < 2 || !tabItemPositions.current.length) {
return 0;
}
var inputRange = Array.from(Array(countItems + 1).keys());
var outputRange = tabItemPositions.current.map(function (_a) {
var position = _a.position;
return position;
});
if (inputRange.length - 1 !== outputRange.length) {
return 0;
}
return animationRef.current.interpolate({
inputRange: inputRange,
outputRange: __spreadArray([0], outputRange, true),
});
}, [animationRef, validChildren, tabItemPositions.current.length]);
var WIDTH = react_1.default.useMemo(function () {
var _a;
return (_a = tabItemPositions.current[value]) === null || _a === void 0 ? void 0 : _a.width;
}, [value, tabItemPositions.current.length]);
return (react_1.default.createElement(react_native_1.View, __assign({}, rest, { accessibilityRole: "tablist", style: [
variant === 'primary' && {
backgroundColor: (_b = theme === null || theme === void 0 ? void 0 : theme.colors) === null || _b === void 0 ? void 0 : _b.primary,
},
styles.viewStyle,
style,
], onLayout: function (_a) {
var layout = _a.nativeEvent.layout;
setTabContainerWidth(layout.width);
} }), react_1.default.createElement(scrollable ? react_native_1.ScrollView : react_1.default.Fragment, __assign(__assign({}, (scrollable && {
horizontal: true,
ref: scrollViewRef,
onScroll: onScrollHandler,
showsHorizontalScrollIndicator: false,
})), { children: (react_1.default.createElement(react_1.default.Fragment, null,
validChildren.map(function (child, index) {
return react_1.default.cloneElement(child, {
onPress: function () { return onChange(index); },
onLayout: function (event) {
var _a;
var width = event.nativeEvent.layout.width;
var previousItemPosition = ((_a = tabItemPositions.current[index - 1]) === null || _a === void 0 ? void 0 : _a.position) || 0;
tabItemPositions.current[index] = {
position: previousItemPosition + width,
width: width,
};
},
active: index === value,
variant: variant,
_parentProps: {
dense: dense,
iconPosition: iconPosition,
buttonStyle: buttonStyle,
containerStyle: containerStyle,
titleStyle: titleStyle,
},
});
}),
!disableIndicator && (react_1.default.createElement(react_native_1.Animated.View, { style: [
styles.indicator,
{
backgroundColor: (_c = theme === null || theme === void 0 ? void 0 : theme.colors) === null || _c === void 0 ? void 0 : _c.secondary,
transform: [
{
translateX: indicatorTransitionInterpolate,
},
],
width: WIDTH,
},
indicatorStyle,
] })))) }))));
};
exports.TabBase = TabBase;
var styles = react_native_1.StyleSheet.create({
viewStyle: {
flexDirection: 'row',
position: 'relative',
},
indicator: {
display: 'flex',
position: 'absolute',
height: 2,
bottom: 0,
},
});
exports.TabBase.displayName = 'Tab';