tdesign-vue-next
Version:
TDesign Component for vue-next
146 lines (142 loc) • 5.38 kB
JavaScript
/**
* tdesign v1.20.0
* (c) 2026 tdesign
* @license MIT
*/
import { defineComponent, ref, onMounted, onBeforeUnmount, computed, createVNode, Fragment, createTextVNode } from 'vue';
import { _ as _defineProperty } from '../_chunks/dep-e25ecc4b.mjs';
import { BacktopIcon } from 'tdesign-icons-vue-next';
import { s as scrollTo } from '../_chunks/dep-98b885ec.mjs';
import { u as usePrefixClass, i as useGlobalIcon, b as useContent, f as useChildSlots } from '../_chunks/dep-6e1ec500.mjs';
import props from './props.mjs';
import { useConfig } from '../config-provider/hooks/useConfig.mjs';
import '../_chunks/dep-7e80b480.mjs';
import '../_chunks/dep-c53b1c81.mjs';
import 'lodash-es';
import '../_chunks/dep-3a6b2289.mjs';
import '../_chunks/dep-1e8a6a5e.mjs';
import '../_chunks/dep-67ace303.mjs';
import '../_chunks/dep-a1cffe73.mjs';
import '../_chunks/dep-8768d1f1.mjs';
import '../_chunks/dep-68c88886.mjs';
import '../config-provider/utils/context.mjs';
import '../_chunks/dep-fc168c9c.mjs';
import '../_chunks/dep-2242b0fd.mjs';
import '../_chunks/dep-b9ecb840.mjs';
import '../_chunks/dep-dfce43be.mjs';
import '../_chunks/dep-d9965fa1.mjs';
var _BackTop = defineComponent({
name: "TBackTop",
props: props,
setup: function setup(props2) {
var visible = ref(false);
var containerRef = ref(null);
var componentName = usePrefixClass("back-top");
var _useConfig = useConfig("alert"),
classPrefix = _useConfig.classPrefix;
var _useGlobalIcon = useGlobalIcon({
BacktopIcon: BacktopIcon
}),
BacktopIcon$1 = _useGlobalIcon.BacktopIcon;
var renderContent = useContent();
var getContainer = function getContainer(container) {
if (typeof container === "string" && typeof document !== "undefined") {
if (container === "body") {
return document;
}
return document.querySelector(container);
}
if (typeof container === "function") {
return container();
}
return null;
};
onMounted(function () {
containerRef.value = getContainer(props2.container);
var visibleHeight;
if (typeof props2.visibleHeight === "string") {
visibleHeight = Number(props2.visibleHeight.replace("px", ""));
} else {
visibleHeight = props2.visibleHeight;
}
if (visibleHeight === 0) {
visible.value = true;
return;
}
var scrollDOM;
if (containerRef.value.scrollTop === void 0) {
scrollDOM = document.documentElement;
} else {
scrollDOM = containerRef.value;
}
containerRef.value.onscroll = function () {
var _scrollDOM;
var scrollTop = (_scrollDOM = scrollDOM) === null || _scrollDOM === void 0 ? void 0 : _scrollDOM.scrollTop;
if (scrollTop >= visibleHeight) {
visible.value = true;
}
if (scrollTop < visibleHeight && visible.value) {
visible.value = false;
}
};
});
onBeforeUnmount(function () {
containerRef.value.onscroll = null;
});
return function () {
var theme = props2.theme,
shape = props2.shape,
size = props2.size,
target = props2.target,
duration = props2.duration,
offset = props2.offset,
container = props2.container;
var getChild = useChildSlots();
var children = getChild();
if (children.length < 1) children = null;
var cls = computed(function () {
return _defineProperty(_defineProperty(_defineProperty(_defineProperty(_defineProperty(_defineProperty({}, componentName.value, true), "".concat(componentName.value, "--theme-").concat(theme), true), "".concat(componentName.value, "--").concat(shape), true), "".concat(componentName.value, "--show"), visible.value), "".concat(classPrefix.value, "-size-s"), size === "small"), "".concat(classPrefix.value, "-size-m"), size === "medium");
});
var defaultContent = createVNode(Fragment, null, [createVNode(BacktopIcon$1, {
"class": "".concat(componentName.value, "__icon"),
"size": "24"
}, null), createVNode("span", {
"class": "".concat(componentName.value, "__text")
}, [createTextVNode("TOP")])]);
var getBackTo = function getBackTo() {
if (target === container) return 0;
if (target === "body") return 0;
if (!target) return 0;
var targetNode = getContainer(target);
if (!targetNode) return 0;
var y = targetNode.getBoundingClientRect().y;
return y;
};
var handleClick = function handleClick(e) {
var _props2$onClick;
var y = getBackTo();
scrollTo(y, {
container: containerRef.value,
duration: duration
});
(_props2$onClick = props2.onClick) === null || _props2$onClick === void 0 || _props2$onClick.call(props2, {
e: e
});
};
var positionStyle = computed(function () {
return {
insetInlineEnd: offset[0],
insetBlockEnd: offset[1]
};
});
return createVNode("button", {
"type": "button",
"class": cls.value,
"style": positionStyle.value,
"onClick": handleClick
}, [renderContent("content", "default", defaultContent)]);
};
}
});
export { _BackTop as default };
//# sourceMappingURL=back-top.mjs.map