@douyinfe/semi-ui
Version:
A modern, comprehensive, flexible design system and UI library. Connect DesignOps & DevOps. Quickly build beautiful React apps. Maintained by Douyin-fe team.
118 lines (117 loc) • 4.22 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _throttle2 = _interopRequireDefault(require("lodash/throttle"));
var _react = _interopRequireDefault(require("react"));
var _baseComponent = _interopRequireDefault(require("../_base/baseComponent"));
var _classnames = _interopRequireDefault(require("classnames"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var _constants = require("@douyinfe/semi-foundation/lib/cjs/backtop/constants");
var _foundation = _interopRequireDefault(require("@douyinfe/semi-foundation/lib/cjs/backtop/foundation"));
require("@douyinfe/semi-foundation/lib/cjs/backtop/backtop.css");
var _iconButton = _interopRequireDefault(require("../iconButton"));
var _semiIcons = require("@douyinfe/semi-icons");
var _utils = require("../_utils");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
var __rest = void 0 && (void 0).__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;
};
const prefixCls = _constants.cssClasses.PREFIX;
const getDefaultTarget = () => window;
class BackTop extends _baseComponent.default {
constructor(props) {
super(props);
this.state = {
visible: false
};
this.foundation = new _foundation.default(this.adapter);
}
componentDidMount() {
var _a;
this.foundation.init();
this.handler = (0, _throttle2.default)(this.handleClick, (_a = this.props.duration) !== null && _a !== void 0 ? _a : BackTop.defaultProps.duration);
}
componentWillUnmount() {
this.foundation.destroy();
}
get adapter() {
return Object.assign(Object.assign({}, super.adapter), {
updateVisible: visible => {
this.setState({
visible
});
},
notifyClick: e => {
this.props.onClick && this.props.onClick(e);
},
targetIsWindow: target => target === window,
isWindowUndefined: () => window === undefined,
targetScrollToTop: (targetNode, scrollTop) => {
if (targetNode === window) {
document.body.scrollTop = scrollTop;
document.documentElement.scrollTop = scrollTop;
} else {
targetNode.scrollTop = scrollTop;
}
}
});
}
handleClick(e) {
this.foundation.onClick(e);
}
renderDefault() {
return /*#__PURE__*/_react.default.createElement(_iconButton.default, {
theme: "light",
icon: /*#__PURE__*/_react.default.createElement(_semiIcons.IconChevronUp, null)
});
}
render() {
const _a = this.props,
{
children,
className,
style,
onClick,
visibilityHeight,
target
} = _a,
others = __rest(_a, ["children", "className", "style", "onClick", "visibilityHeight", "target"]);
const {
visible
} = this.state;
const preCls = (0, _classnames.default)(prefixCls, className);
const backtopBtn = children ? children : this.renderDefault();
const content = visible ? (
/*#__PURE__*/
// eslint-disable-next-line jsx-a11y/click-events-have-key-events, jsx-a11y/no-static-element-interactions
_react.default.createElement("div", Object.assign({}, others, {
className: preCls,
style: style,
onClick: e => this.handler(e),
"x-semi-prop": "children"
}), backtopBtn)) : null;
return content;
}
}
exports.default = BackTop;
BackTop.__SemiComponentName__ = "BackTop";
BackTop.defaultProps = (0, _utils.getDefaultPropsFromGlobalConfig)(BackTop.__SemiComponentName__, {
visibilityHeight: 400,
target: getDefaultTarget,
duration: 450
});
BackTop.propTypes = {
target: _propTypes.default.func,
visibilityHeight: _propTypes.default.number,
duration: _propTypes.default.number,
onClick: _propTypes.default.func,
style: _propTypes.default.object,
className: _propTypes.default.string
};