@nutui/nutui-react
Version:
京东风格的轻量级移动端 React 组件库，支持一套代码生成 H5 和小程序
174 lines (173 loc) • 7.79 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
Object.defineProperty(exports, "SideBar", {
enumerable: true,
get: function() {
return SideBar;
}
});
var _interop_require_default = require("@swc/helpers/_/_interop_require_default");
var _interop_require_wildcard = require("@swc/helpers/_/_interop_require_wildcard");
var _define_property = require("@swc/helpers/_/_define_property");
var _object_spread = require("@swc/helpers/_/_object_spread");
var _object_spread_props = require("@swc/helpers/_/_object_spread_props");
var _object_without_properties = require("@swc/helpers/_/_object_without_properties");
var _sliced_to_array = require("@swc/helpers/_/_sliced_to_array");
var _react = /*#__PURE__*/ _interop_require_wildcard._(require("react"));
var _classnames = /*#__PURE__*/ _interop_require_default._(require("classnames"));
var _typings = require("../../utils/typings");
var _sidebaritem = /*#__PURE__*/ _interop_require_default._(require("../sidebaritem"));
var _raf = /*#__PURE__*/ _interop_require_default._(require("../../utils/raf"));
var _usepropsvalue = require("../../hooks/use-props-value");
var _useforceupdate = require("../../hooks/use-force-update");
var _mergeprops = require("../../utils/merge-props");
var defaultProps = (0, _object_spread_props._)((0, _object_spread._)({}, _typings.ComponentDefaults), {
contentDuration: 0,
sidebarDuration: 0
});
var classPrefix = 'nut-sidebar';
var SideBar = function SideBar(props) {
var _mergeProps = (0, _mergeprops.mergeProps)(defaultProps, props), contentDuration = _mergeProps.contentDuration, sidebarDuration = _mergeProps.sidebarDuration, children = _mergeProps.children, onClick = _mergeProps.onClick, onChange = _mergeProps.onChange, className = _mergeProps.className, rest = (0, _object_without_properties._)(_mergeProps, [
"contentDuration",
"sidebarDuration",
"children",
"onClick",
"onChange",
"className"
]);
var _usePropsValue = (0, _sliced_to_array._)((0, _usepropsvalue.usePropsValue)({
value: props.value,
defaultValue: props.defaultValue,
finalValue: 0,
onChange: onChange
}), 2), value = _usePropsValue[0], setValue = _usePropsValue[1];
var titleItemsRef = (0, _react.useRef)([]);
var navRef = (0, _react.useRef)(null);
var scroll = function scroll(nav, to) {
var count = 0;
var from = nav.scrollTop;
var frames = sidebarDuration === 0 ? 1 : Math.round(sidebarDuration / 16);
function animate() {
nav.scrollTop += (to - from) / frames;
if (++count < frames) {
(0, _raf.default)(animate);
}
}
animate();
};
var scrollIntoView = function scrollIntoView(index) {
var nav = navRef.current;
var titleItem = titleItemsRef.current;
var titlesLength = titles.current.length;
var itemLength = titleItemsRef.current.length;
if (!nav || !titleItem || !titleItem[itemLength - titlesLength + index]) {
return;
}
var title = titleItem[itemLength - titlesLength + index];
var runTop = title.offsetTop - nav.offsetTop + 10;
var to = runTop - (nav.offsetHeight - title.offsetHeight) / 2 + title.offsetHeight;
scroll(nav, to);
};
var getTitles = function getTitles() {
var titles = [];
_react.default.Children.forEach(children, function(child, idx) {
if (/*#__PURE__*/ _react.default.isValidElement(child)) {
var _$props = child === null || child === void 0 ? void 0 : child.props;
if ((_$props === null || _$props === void 0 ? void 0 : _$props.title) || (_$props === null || _$props === void 0 ? void 0 : _$props.value)) {
var _props_value;
titles.push({
title: _$props.title,
value: (_props_value = _$props.value) !== null && _props_value !== void 0 ? _props_value : idx,
disabled: _$props.disabled
});
}
}
});
return titles;
};
var titles = (0, _react.useRef)(getTitles());
var forceUpdate = (0, _useforceupdate.useForceUpdate)();
(0, _react.useEffect)(function() {
titles.current = getTitles();
var current = '';
titles.current.forEach(function(title) {
if (title.value === value) {
current = value;
}
});
forceUpdate();
}, [
children
]);
var classes = (0, _classnames.default)(classPrefix, className);
var classesTitle = (0, _classnames.default)("".concat(classPrefix, "-titles"), "".concat(classPrefix, "-titles-scrollable"));
var getContentStyle = function getContentStyle() {
var index = titles.current.findIndex(function(t) {
return t.value === value;
});
index = index < 0 ? 0 : index;
return {
transform: "translate3d( 0,-".concat(index * 100, "%, 0)"),
transitionDuration: "".concat(contentDuration, "ms")
};
};
(0, _react.useEffect)(function() {
var index = titles.current.findIndex(function(t) {
return t.value === value;
});
index = index < 0 ? 0 : index;
var rafId = requestAnimationFrame(function() {
scrollIntoView(index);
});
return function() {
return cancelAnimationFrame(rafId);
};
}, [
value
]);
var tabChange = function tabChange(item) {
if (item.disabled) return;
onClick === null || onClick === void 0 ? void 0 : onClick(item.value);
setValue(item.value);
};
return /*#__PURE__*/ _react.default.createElement("div", (0, _object_spread._)({
className: classes
}, rest), /*#__PURE__*/ _react.default.createElement("div", {
className: classesTitle,
ref: navRef
}, titles.current.map(function(item) {
var _obj;
return /*#__PURE__*/ _react.default.createElement("div", {
onClick: function onClick() {
tabChange(item);
},
className: (0, _classnames.default)("".concat(classPrefix, "-titles-item"), (_obj = {}, (0, _define_property._)(_obj, "".concat(classPrefix, "-titles-item-active"), !item.disabled && String(item.value) === String(value)), (0, _define_property._)(_obj, "".concat(classPrefix, "-titles-item-disabled"), item.disabled), _obj)),
ref: function ref(ref) {
return titleItemsRef.current.push(ref);
},
key: item.value
}, /*#__PURE__*/ _react.default.createElement("div", {
className: "".concat(classPrefix, "-titles-item-text")
}, item.title));
})), /*#__PURE__*/ _react.default.createElement("div", {
className: "".concat(classPrefix, "-content-wrap")
}, /*#__PURE__*/ _react.default.createElement("div", {
className: "".concat(classPrefix, "-content"),
style: getContentStyle()
}, _react.default.Children.map(children, function(child, idx) {
if (!/*#__PURE__*/ _react.default.isValidElement(child)) {
return null;
}
var childProps = (0, _object_spread_props._)((0, _object_spread._)({}, child.props), {
active: value === child.props.value
});
if (String(value) !== String(child.props.value || idx)) {
childProps = (0, _object_spread._)({}, childProps);
}
return /*#__PURE__*/ _react.default.cloneElement(child, childProps);
}))));
};
SideBar.displayName = 'NutSideBar';
SideBar.Item = _sidebaritem.default;