import fs$l, { promises as promises$2 } from 'node:fs';
import fsp from 'node:fs/promises';
import path$o, { dirname as dirname$2, join as join$2, posix as posix$1, isAbsolute as isAbsolute$2, relative as relative$2, basename as basename$2, extname as extname$1 } from 'node:path';
import { fileURLToPath, URL as URL$3, URLSearchParams, parse as parse$i, pathToFileURL } from 'node:url';
import { promisify as promisify$4, format as format$2, inspect } from 'node:util';
import { performance as performance$1 } from 'node:perf_hooks';
import { createRequire as createRequire$1, builtinModules } from 'node:module';
import require$$0$3 from 'tty';
import esbuild, { transform as transform$2, formatMessages, build as build$3 } from 'esbuild';
import require$$0$4, { win32, posix, isAbsolute as isAbsolute$1, resolve as resolve$3, relative as relative$1, basename as basename$1, extname, dirname as dirname$1, join as join$1, sep as sep$1, normalize } from 'path';
import * as require$$0$2 from 'fs';
import require$$0__default, { existsSync, readFileSync, statSync as statSync$1, promises as promises$1, readdir as readdir$4, readdirSync } from 'fs';
import require$$0$5 from 'events';
import require$$5 from 'assert';
import require$$0$6 from 'util';
import require$$3$2 from 'net';
import require$$0$9 from 'url';
import require$$1$1 from 'http';
import require$$0$7 from 'stream';
import require$$2 from 'os';
import require$$2$1 from 'child_process';
import os$3 from 'node:os';
import { exec } from 'node:child_process';
import { createHash as createHash$2 } from 'node:crypto';
import { promises } from 'node:dns';
import { CLIENT_ENTRY, OPTIMIZABLE_ENTRY_RE, wildcardHosts, loopbackHosts, VALID_ID_PREFIX, NULL_BYTE_PLACEHOLDER, FS_PREFIX, CLIENT_PUBLIC_PATH, ENV_PUBLIC_PATH, ENV_ENTRY, DEFAULT_MAIN_FIELDS, DEFAULT_EXTENSIONS as DEFAULT_EXTENSIONS$1, SPECIAL_QUERY_RE, DEP_VERSION_RE, CSS_LANGS_RE, KNOWN_ASSET_TYPES, CLIENT_DIR, JS_TYPES_RE, ESBUILD_MODULES_TARGET, VERSION as VERSION$1, VITE_PACKAGE_DIR, DEFAULT_DEV_PORT, DEFAULT_PREVIEW_PORT, DEFAULT_ASSETS_RE, DEFAULT_CONFIG_FILES } from '../constants.js';
import require$$5$1 from 'crypto';
import { Buffer as Buffer$1 } from 'node:buffer';
import require$$0$8, { createRequire as createRequire$2 } from 'module';
import assert$1 from 'node:assert';
import process$1 from 'node:process';
import v8 from 'node:v8';
import require$$1 from 'worker_threads';
import require$$0$a from 'zlib';
import require$$0$b from 'buffer';
import require$$1$2 from 'https';
import require$$4 from 'tls';
import { createServer as createServer$3, STATUS_CODES } from 'node:http';
import { createServer as createServer$2 } from 'node:https';
import { VERSION } from 'rollup';
import * as qs from 'querystring';
import readline from 'node:readline';
import zlib$1, { gzip } from 'node:zlib';
import { fileURLToPath as __cjs_fileURLToPath } from 'node:url';
import { dirname as __cjs_dirname } from 'node:path';
import { createRequire as __cjs_createRequire } from 'node:module';
const __filename = __cjs_fileURLToPath(import.meta.url);
const __dirname = __cjs_dirname(__filename);
const require = __cjs_createRequire(import.meta.url);
const __require = require;
var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
function getDefaultExportFromCjs (x) {
return x && x.__esModule && Object.prototype.hasOwnProperty.call(x, 'default') ? x['default'] : x;
}
function getAugmentedNamespace(n) {
if (n.__esModule) return n;
var f = n.default;
if (typeof f == "function") {
var a = function a () {
if (this instanceof a) {
var args = [null];
args.push.apply(args, arguments);
var Ctor = Function.bind.apply(f, args);
return new Ctor();
}
return f.apply(this, arguments);
};
a.prototype = f.prototype;
} else a = {};
Object.defineProperty(a, '__esModule', {value: true});
Object.keys(n).forEach(function (k) {
var d = Object.getOwnPropertyDescriptor(n, k);
Object.defineProperty(a, k, d.get ? d : {
enumerable: true,
get: function () {
return n[k];
}
});
});
return a;
}
var picocolors = {exports: {}};
let tty = require$$0$3;
let isColorSupported =
!("NO_COLOR" in process.env || process.argv.includes("--no-color")) &&
("FORCE_COLOR" in process.env ||
process.argv.includes("--color") ||
process.platform === "win32" ||
(tty.isatty(1) && process.env.TERM !== "dumb") ||
"CI" in process.env);
let formatter =
(open, close, replace = open) =>
input => {
let string = "" + input;
let index = string.indexOf(close, open.length);
return ~index
? open + replaceClose(string, close, replace, index) + close
: open + string + close
};
let replaceClose = (string, close, replace, index) => {
let start = string.substring(0, index) + replace;
let end = string.substring(index + close.length);
let nextIndex = end.indexOf(close);
return ~nextIndex ? start + replaceClose(end, close, replace, nextIndex) : start + end
};
let createColors = (enabled = isColorSupported) => ({
isColorSupported: enabled,
reset: enabled ? s => `\x1b[0m${s}\x1b[0m` : String,
bold: enabled ? formatter("\x1b[1m", "\x1b[22m", "\x1b[22m\x1b[1m") : String,
dim: enabled ? formatter("\x1b[2m", "\x1b[22m", "\x1b[22m\x1b[2m") : String,
italic: enabled ? formatter("\x1b[3m", "\x1b[23m") : String,
underline: enabled ? formatter("\x1b[4m", "\x1b[24m") : String,
inverse: enabled ? formatter("\x1b[7m", "\x1b[27m") : String,
hidden: enabled ? formatter("\x1b[8m", "\x1b[28m") : String,
strikethrough: enabled ? formatter("\x1b[9m", "\x1b[29m") : String,
black: enabled ? formatter("\x1b[30m", "\x1b[39m") : String,
red: enabled ? formatter("\x1b[31m", "\x1b[39m") : String,
green: enabled ? formatter("\x1b[32m", "\x1b[39m") : String,
yellow: enabled ? formatter("\x1b[33m", "\x1b[39m") : String,
blue: enabled ? formatter("\x1b[34m", "\x1b[39m") : String,
magenta: enabled ? formatter("\x1b[35m", "\x1b[39m") : String,
cyan: enabled ? formatter("\x1b[36m", "\x1b[39m") : String,
white: enabled ? formatter("\x1b[37m", "\x1b[39m") : String,
gray: enabled ? formatter("\x1b[90m", "\x1b[39m") : String,
bgBlack: enabled ? formatter("\x1b[40m", "\x1b[49m") : String,
bgRed: enabled ? formatter("\x1b[41m", "\x1b[49m") : String,
bgGreen: enabled ? formatter("\x1b[42m", "\x1b[49m") : String,
bgYellow: enabled ? formatter("\x1b[43m", "\x1b[49m") : String,
bgBlue: enabled ? formatter("\x1b[44m", "\x1b[49m") : String,
bgMagenta: enabled ? formatter("\x1b[45m", "\x1b[49m") : String,
bgCyan: enabled ? formatter("\x1b[46m", "\x1b[49m") : String,
bgWhite: enabled ? formatter("\x1b[47m", "\x1b[49m") : String,
});
picocolors.exports = createColors();
picocolors.exports.createColors = createColors;
var picocolorsExports = picocolors.exports;
var colors$1 = /*@__PURE__*/getDefaultExportFromCjs(picocolorsExports);
function matches$1(pattern, importee) {
if (pattern instanceof RegExp) {
return pattern.test(importee);
}
if (importee.length < pattern.length) {
return false;
}
if (importee === pattern) {
return true;
}
// eslint-disable-next-line prefer-template
return importee.startsWith(pattern + '/');
}
function getEntries({ entries, customResolver }) {
if (!entries) {
return [];
}
const resolverFunctionFromOptions = resolveCustomResolver(customResolver);
if (Array.isArray(entries)) {
return entries.map((entry) => {
return {
find: entry.find,
replacement: entry.replacement,
resolverFunction: resolveCustomResolver(entry.customResolver) || resolverFunctionFromOptions
};
});
}
return Object.entries(entries).map(([key, value]) => {
return { find: key, replacement: value, resolverFunction: resolverFunctionFromOptions };
});
}
function get
vant侧边导航栏SideBar
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更新于2023-07-03
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Vant侧边导航栏(SideBar)是Vue.js框架中Vant UI库的一个重要组件,尤其在构建响应式布局和移动应用时非常常见。Vant是滴滴出行开发的一套轻量级、高度可定制化的移动端UI组件库,它旨在提供一套简洁、易用且高效的界面解决方案。Vue3和Vant4的结合,使得开发者能够利用最新的Vue特性来构建更加高效的应用,同时享受Vant4带来的优化和新功能。
Vant SideBar组件主要特点和功能包括:
1. **可折叠/展开**:SideBar支持在小屏幕设备上自动折叠,在大屏幕设备上展开,适应不同尺寸的屏幕。
2. **水平和垂直模式**:根据应用场景,SideBar可以设置为水平或垂直布局,满足不同设计需求。
3. **菜单项动态加载**:可以通过Vue的动态绑定数据来实现菜单项的动态生成和更新。
4. **选中状态反馈**:SideBar会自动根据路由或用户操作显示当前选中的菜单项,提供清晰的用户反馈。
5. **自定义事件**:提供点击菜单项时的`click`事件,方便开发者进行业务逻辑处理。
6. **可扩展性**:可以通过插槽(slot)来自定义菜单项的内容,增加组件的灵活性。
在Vue3中,Vant4的SideBar组件可以很好地利用Composition API,这是一种更模块化、更灵活的编写组件的方式。你可以通过`import`导入`useSidebar`或者`useOption`等辅助函数来管理组件的状态和行为,这在代码组织和复用上提供了很大便利。
在实际使用Vant SideBar时,你需要在模板中声明组件,并传递必要的属性,例如`value`(控制导航栏的展开/折叠状态)、`options`(定义菜单项的数据数组)等。同时,你还需要确保你的项目已经正确安装了Vue3和Vant4,可以通过npm或yarn来完成依赖的安装。
```bash
npm install vue@next vant@latest
```
在你的组件中,可以这样使用SideBar:
```vue
<template>
<van-sidebar v-model="activeKey" :options="options" @change="handleChange" />
</template>
<script>
import { ref } from 'vue';
import { useSidebar } from 'vant';
export default {
setup() {
const activeKey = ref('1');
const options = [
{ title: '选项1', value: '1' },
{ title: '选项2', value: '2' },
// 更多选项...
];
const handleChange = (key) => {
console.log(`选择了选项:${key}`);
};
return { activeKey, options, handleChange };
},
};
</script>
```
以上就是关于Vant侧边导航栏(SideBar)的基础介绍和使用方法,结合Vue3和Vant4,你可以轻松创建出符合现代Web标准的交互式侧边导航栏,提升用户体验。在实际项目中,你可能还需要考虑更多细节,如国际化、权限控制、菜单的动态加载等,但Vant4提供的强大功能和Vue3的高级特性将帮助你轻松应对这些挑战。

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