ckgl/node_modules/vant/lib/tabs/Tabs.js
2024-12-21 13:52:42 +08:00

387 lines
13 KiB
JavaScript

var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
for (var name2 in all)
__defProp(target, name2, { get: all[name2], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
if (from && typeof from === "object" || typeof from === "function") {
for (let key of __getOwnPropNames(from))
if (!__hasOwnProp.call(to, key) && key !== except)
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
}
return to;
};
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
// If the importer is in node compatibility mode or this is not an ESM
// file that has been converted to a CommonJS file using a Babel-
// compatible transform (i.e. "__esModule" has not been set), then set
// "default" to the CommonJS "module.exports" for node compatibility.
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
var stdin_exports = {};
__export(stdin_exports, {
TABS_KEY: () => TABS_KEY,
default: () => stdin_default,
tabsProps: () => tabsProps
});
module.exports = __toCommonJS(stdin_exports);
var import_vue = require("vue");
var import_utils = require("../utils");
var import_utils2 = require("./utils");
var import_use = require("@vant/use");
var import_use_id = require("../composables/use-id");
var import_use_route = require("../composables/use-route");
var import_use_refs = require("../composables/use-refs");
var import_use_expose = require("../composables/use-expose");
var import_on_popup_reopen = require("../composables/on-popup-reopen");
var import_use_visibility_change = require("../composables/use-visibility-change");
var import_sticky = require("../sticky");
var import_TabsContent = __toESM(require("./TabsContent"));
const [name, bem] = (0, import_utils.createNamespace)("tabs");
const tabsProps = {
type: (0, import_utils.makeStringProp)("line"),
color: String,
border: Boolean,
sticky: Boolean,
shrink: Boolean,
active: (0, import_utils.makeNumericProp)(0),
duration: (0, import_utils.makeNumericProp)(0.3),
animated: Boolean,
ellipsis: import_utils.truthProp,
swipeable: Boolean,
scrollspy: Boolean,
offsetTop: (0, import_utils.makeNumericProp)(0),
background: String,
lazyRender: import_utils.truthProp,
showHeader: import_utils.truthProp,
lineWidth: import_utils.numericProp,
lineHeight: import_utils.numericProp,
beforeChange: Function,
swipeThreshold: (0, import_utils.makeNumericProp)(5),
titleActiveColor: String,
titleInactiveColor: String
};
const TABS_KEY = Symbol(name);
var stdin_default = (0, import_vue.defineComponent)({
name,
props: tabsProps,
emits: ["change", "scroll", "rendered", "clickTab", "update:active"],
setup(props, {
emit,
slots
}) {
let tabHeight;
let lockScroll;
let stickyFixed;
let cancelScrollLeftToRaf;
let cancelScrollTopToRaf;
const root = (0, import_vue.ref)();
const navRef = (0, import_vue.ref)();
const wrapRef = (0, import_vue.ref)();
const contentRef = (0, import_vue.ref)();
const id = (0, import_use_id.useId)();
const scroller = (0, import_use.useScrollParent)(root);
const [titleRefs, setTitleRefs] = (0, import_use_refs.useRefs)();
const {
children,
linkChildren
} = (0, import_use.useChildren)(TABS_KEY);
const state = (0, import_vue.reactive)({
inited: false,
position: "",
lineStyle: {},
currentIndex: -1
});
const scrollable = (0, import_vue.computed)(() => children.length > +props.swipeThreshold || !props.ellipsis || props.shrink);
const navStyle = (0, import_vue.computed)(() => ({
borderColor: props.color,
background: props.background
}));
const getTabName = (tab, index) => {
var _a;
return (_a = tab.name) != null ? _a : index;
};
const currentName = (0, import_vue.computed)(() => {
const activeTab = children[state.currentIndex];
if (activeTab) {
return getTabName(activeTab, state.currentIndex);
}
});
const offsetTopPx = (0, import_vue.computed)(() => (0, import_utils.unitToPx)(props.offsetTop));
const scrollOffset = (0, import_vue.computed)(() => {
if (props.sticky) {
return offsetTopPx.value + tabHeight;
}
return 0;
});
const scrollIntoView = (immediate) => {
const nav = navRef.value;
const titles = titleRefs.value;
if (!scrollable.value || !nav || !titles || !titles[state.currentIndex]) {
return;
}
const title = titles[state.currentIndex].$el;
const to = title.offsetLeft - (nav.offsetWidth - title.offsetWidth) / 2;
if (cancelScrollLeftToRaf) cancelScrollLeftToRaf();
cancelScrollLeftToRaf = (0, import_utils2.scrollLeftTo)(nav, to, immediate ? 0 : +props.duration);
};
const setLine = () => {
const shouldAnimate = state.inited;
(0, import_vue.nextTick)(() => {
const titles = titleRefs.value;
if (!titles || !titles[state.currentIndex] || props.type !== "line" || (0, import_utils.isHidden)(root.value)) {
return;
}
const title = titles[state.currentIndex].$el;
const {
lineWidth,
lineHeight
} = props;
const left = title.offsetLeft + title.offsetWidth / 2;
const lineStyle = {
width: (0, import_utils.addUnit)(lineWidth),
backgroundColor: props.color,
transform: `translateX(${left}px) translateX(-50%)`
};
if (shouldAnimate) {
lineStyle.transitionDuration = `${props.duration}s`;
}
if ((0, import_utils.isDef)(lineHeight)) {
const height = (0, import_utils.addUnit)(lineHeight);
lineStyle.height = height;
lineStyle.borderRadius = height;
}
state.lineStyle = lineStyle;
});
};
const findAvailableTab = (index) => {
const diff = index < state.currentIndex ? -1 : 1;
while (index >= 0 && index < children.length) {
if (!children[index].disabled) {
return index;
}
index += diff;
}
};
const setCurrentIndex = (currentIndex, skipScrollIntoView) => {
const newIndex = findAvailableTab(currentIndex);
if (!(0, import_utils.isDef)(newIndex)) {
return;
}
const newTab = children[newIndex];
const newName = getTabName(newTab, newIndex);
const shouldEmitChange = state.currentIndex !== null;
if (state.currentIndex !== newIndex) {
state.currentIndex = newIndex;
if (!skipScrollIntoView) {
scrollIntoView();
}
setLine();
}
if (newName !== props.active) {
emit("update:active", newName);
if (shouldEmitChange) {
emit("change", newName, newTab.title);
}
}
if (stickyFixed && !props.scrollspy) {
(0, import_utils.setRootScrollTop)(Math.ceil((0, import_utils.getElementTop)(root.value) - offsetTopPx.value));
}
};
const setCurrentIndexByName = (name2, skipScrollIntoView) => {
const matched = children.find((tab, index2) => getTabName(tab, index2) === name2);
const index = matched ? children.indexOf(matched) : 0;
setCurrentIndex(index, skipScrollIntoView);
};
const scrollToCurrentContent = (immediate = false) => {
if (props.scrollspy) {
const target = children[state.currentIndex].$el;
if (target && scroller.value) {
const to = (0, import_utils.getElementTop)(target, scroller.value) - scrollOffset.value;
lockScroll = true;
if (cancelScrollTopToRaf) cancelScrollTopToRaf();
cancelScrollTopToRaf = (0, import_utils2.scrollTopTo)(scroller.value, to, immediate ? 0 : +props.duration, () => {
lockScroll = false;
});
}
}
};
const onClickTab = (item, index, event) => {
const {
title,
disabled
} = children[index];
const name2 = getTabName(children[index], index);
if (!disabled) {
(0, import_utils.callInterceptor)(props.beforeChange, {
args: [name2],
done: () => {
setCurrentIndex(index);
scrollToCurrentContent();
}
});
(0, import_use_route.route)(item);
}
emit("clickTab", {
name: name2,
title,
event,
disabled
});
};
const onStickyScroll = (params) => {
stickyFixed = params.isFixed;
emit("scroll", params);
};
const scrollTo = (name2) => {
(0, import_vue.nextTick)(() => {
setCurrentIndexByName(name2);
scrollToCurrentContent(true);
});
};
const getCurrentIndexOnScroll = () => {
for (let index = 0; index < children.length; index++) {
const {
top
} = (0, import_use.useRect)(children[index].$el);
if (top > scrollOffset.value) {
return index === 0 ? 0 : index - 1;
}
}
return children.length - 1;
};
const onScroll = () => {
if (props.scrollspy && !lockScroll) {
const index = getCurrentIndexOnScroll();
setCurrentIndex(index);
}
};
const renderLine = () => {
if (props.type === "line" && children.length) {
return (0, import_vue.createVNode)("div", {
"class": bem("line"),
"style": state.lineStyle
}, null);
}
};
const renderHeader = () => {
var _a, _b, _c;
const {
type,
border,
sticky
} = props;
const Header = [(0, import_vue.createVNode)("div", {
"ref": sticky ? void 0 : wrapRef,
"class": [bem("wrap"), {
[import_utils.BORDER_TOP_BOTTOM]: type === "line" && border
}]
}, [(0, import_vue.createVNode)("div", {
"ref": navRef,
"role": "tablist",
"class": bem("nav", [type, {
shrink: props.shrink,
complete: scrollable.value
}]),
"style": navStyle.value,
"aria-orientation": "horizontal"
}, [(_a = slots["nav-left"]) == null ? void 0 : _a.call(slots), children.map((item) => item.renderTitle(onClickTab)), renderLine(), (_b = slots["nav-right"]) == null ? void 0 : _b.call(slots)])]), (_c = slots["nav-bottom"]) == null ? void 0 : _c.call(slots)];
if (sticky) {
return (0, import_vue.createVNode)("div", {
"ref": wrapRef
}, [Header]);
}
return Header;
};
const resize = () => {
setLine();
(0, import_vue.nextTick)(() => {
var _a, _b;
scrollIntoView(true);
(_b = (_a = contentRef.value) == null ? void 0 : _a.swipeRef.value) == null ? void 0 : _b.resize();
});
};
(0, import_vue.watch)(() => [props.color, props.duration, props.lineWidth, props.lineHeight], setLine);
(0, import_vue.watch)(import_utils.windowWidth, resize);
(0, import_vue.watch)(() => props.active, (value) => {
if (value !== currentName.value) {
setCurrentIndexByName(value);
}
});
(0, import_vue.watch)(() => children.length, () => {
if (state.inited) {
setCurrentIndexByName(props.active);
setLine();
(0, import_vue.nextTick)(() => {
scrollIntoView(true);
});
}
});
const init = () => {
setCurrentIndexByName(props.active, true);
(0, import_vue.nextTick)(() => {
state.inited = true;
if (wrapRef.value) {
tabHeight = (0, import_use.useRect)(wrapRef.value).height;
}
scrollIntoView(true);
});
};
const onRendered = (name2, title) => emit("rendered", name2, title);
(0, import_use_expose.useExpose)({
resize,
scrollTo
});
(0, import_vue.onActivated)(setLine);
(0, import_on_popup_reopen.onPopupReopen)(setLine);
(0, import_use.onMountedOrActivated)(init);
(0, import_use_visibility_change.useVisibilityChange)(root, setLine);
(0, import_use.useEventListener)("scroll", onScroll, {
target: scroller,
passive: true
});
linkChildren({
id,
props,
setLine,
scrollable,
onRendered,
currentName,
setTitleRefs,
scrollIntoView
});
return () => (0, import_vue.createVNode)("div", {
"ref": root,
"class": bem([props.type])
}, [props.showHeader ? props.sticky ? (0, import_vue.createVNode)(import_sticky.Sticky, {
"container": root.value,
"offsetTop": offsetTopPx.value,
"onScroll": onStickyScroll
}, {
default: () => [renderHeader()]
}) : renderHeader() : null, (0, import_vue.createVNode)(import_TabsContent.default, {
"ref": contentRef,
"count": children.length,
"inited": state.inited,
"animated": props.animated,
"duration": props.duration,
"swipeable": props.swipeable,
"lazyRender": props.lazyRender,
"currentIndex": state.currentIndex,
"onChange": setCurrentIndex
}, {
default: () => {
var _a;
return [(_a = slots.default) == null ? void 0 : _a.call(slots)];
}
})]);
}
});