react-native-paper
Version:
Material design for React Native
110 lines (109 loc) • 4.17 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = shadow;
var _reactNative = require("react-native");
var MD2Colors = _interopRequireWildcard(require("./themes/v2/colors"));
var _tokens = require("./themes/v3/tokens");
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
const SHADOW_COLOR = MD2Colors.black;
const SHADOW_OPACITY = 0.24;
const MD3_SHADOW_OPACITY = 0.3;
const MD3_SHADOW_COLOR = _tokens.MD3Colors.primary0;
function shadow() {
let elevation = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
let isV3 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
return isV3 ? v3Shadow(elevation) : v2Shadow(elevation);
}
function v2Shadow() {
let elevation = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
if (elevation instanceof _reactNative.Animated.Value) {
const inputRange = [0, 1, 2, 3, 8, 24];
return {
shadowColor: SHADOW_COLOR,
shadowOffset: {
width: new _reactNative.Animated.Value(0),
height: elevation.interpolate({
inputRange,
outputRange: [0, 0.5, 0.75, 2, 7, 23]
})
},
shadowOpacity: elevation.interpolate({
inputRange: [0, 1],
outputRange: [0, SHADOW_OPACITY],
extrapolate: 'clamp'
}),
shadowRadius: elevation.interpolate({
inputRange,
outputRange: [0, 0.75, 1.5, 3, 8, 24]
})
};
} else {
if (elevation === 0) {
return {};
}
let height, radius;
switch (elevation) {
case 1:
height = 0.5;
radius = 0.75;
break;
case 2:
height = 0.75;
radius = 1.5;
break;
default:
height = elevation - 1;
radius = elevation;
}
return {
shadowColor: SHADOW_COLOR,
shadowOffset: {
width: 0,
height
},
shadowOpacity: SHADOW_OPACITY,
shadowRadius: radius
};
}
}
function v3Shadow() {
let elevation = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
const inputRange = [0, 1, 2, 3, 4, 5];
const shadowHeight = [0, 1, 2, 4, 6, 8];
const shadowRadius = [0, 3, 6, 8, 10, 12];
if (elevation instanceof _reactNative.Animated.Value) {
return {
shadowColor: MD3_SHADOW_COLOR,
shadowOffset: {
width: new _reactNative.Animated.Value(0),
height: elevation.interpolate({
inputRange,
outputRange: shadowHeight
})
},
shadowOpacity: elevation.interpolate({
inputRange: [0, 1],
outputRange: [0, MD3_SHADOW_OPACITY],
extrapolate: 'clamp'
}),
shadowRadius: elevation.interpolate({
inputRange,
outputRange: shadowRadius
})
};
} else {
return {
shadowColor: MD3_SHADOW_COLOR,
shadowOpacity: elevation ? MD3_SHADOW_OPACITY : 0,
shadowOffset: {
width: 0,
height: shadowHeight[elevation]
},
shadowRadius: shadowRadius[elevation]
};
}
}
//# sourceMappingURL=shadow.js.map