feat(project): scaffold Vue 3 + Vite markdown editor

Add initial project structure including:
- .gitignore and VSCode settings
- Vite configuration and package.json with Vue 3 dependencies
- Basic HTML entry point and README update
- Core source files: App.vue, main.js, style.css
- Markdown editor component with plugin system and related types
- Sample HelloWorld component, router, and Pinia store
- Assets and SVG icons

This commit establishes the foundation for the Vue 3 application.
This commit is contained in:
2026-01-12 12:23:44 +08:00
parent 2517aa27d5
commit 49f264b53b
20 changed files with 2261 additions and 1 deletions

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# Logs
logs
*.log
npm-debug.log*
yarn-debug.log*
yarn-error.log*
pnpm-debug.log*
lerna-debug.log*
node_modules
dist
dist-ssr
*.local
# Editor directories and files
.vscode/*
!.vscode/extensions.json
.idea
.DS_Store
*.suo
*.ntvs*
*.njsproj
*.sln
*.sw?

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# rules.md
在构建这个LLM应用网页时你需要基于VUE3开发。我需要前端只运行渲染和数据回传后端负责llm api调用inline suggustions实现和数据解析。
## 指导原则
- 不要擅自用npm或者yarn运行网页你既看不到网页的内容也无法阻止命令暂停
- 应该保证代码效率,不多定义变量,不写冗余注释,把降低延迟放在第一位
- 每次完成任务前都要反复检查代码,确保代码准确无误

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{
"recommendations": ["Vue.volar"]
}

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# llm-in-text
# Vue 3 + Vite
This template should help get you started developing with Vue 3 in Vite. The template uses Vue 3 `<script setup>` SFCs, check out the [script setup docs](https://v3.vuejs.org/api/sfc-script-setup.html#sfc-script-setup) to learn more.
Learn more about IDE Support for Vue in the [Vue Docs Scaling up Guide](https://vuejs.org/guide/scaling-up/tooling.html#ide-support).

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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="/vite.svg" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>llm-in-text</title>
</head>
<body>
<div id="app"></div>
<script type="module" src="/src/main.js"></script>
</body>
</html>

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{
"name": "llm-in-text",
"private": true,
"version": "0.0.0",
"type": "module",
"scripts": {
"dev": "vite",
"build": "vite build",
"preview": "vite preview"
},
"dependencies": {
"axios": "^1.13.2",
"pinia": "^2.3.1",
"vue": "^3.5.24",
"vue-router": "^4.6.4",
"markdown-it": "^13.0.0",
"prismjs": "^1.29.0"
},
"devDependencies": {
"@vitejs/plugin-vue": "^6.0.1",
"vite": "^7.2.4"
}
}

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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="31.88" height="32" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 257"><defs><linearGradient id="IconifyId1813088fe1fbc01fb466" x1="-.828%" x2="57.636%" y1="7.652%" y2="78.411%"><stop offset="0%" stop-color="#41D1FF"></stop><stop offset="100%" stop-color="#BD34FE"></stop></linearGradient><linearGradient id="IconifyId1813088fe1fbc01fb467" x1="43.376%" x2="50.316%" y1="2.242%" y2="89.03%"><stop offset="0%" stop-color="#FFEA83"></stop><stop offset="8.333%" stop-color="#FFDD35"></stop><stop offset="100%" stop-color="#FFA800"></stop></linearGradient></defs><path fill="url(#IconifyId1813088fe1fbc01fb466)" d="M255.153 37.938L134.897 252.976c-2.483 4.44-8.862 4.466-11.382.048L.875 37.958c-2.746-4.814 1.371-10.646 6.827-9.67l120.385 21.517a6.537 6.537 0 0 0 2.322-.004l117.867-21.483c5.438-.991 9.574 4.796 6.877 9.62Z"></path><path fill="url(#IconifyId1813088fe1fbc01fb467)" d="M185.432.063L96.44 17.501a3.268 3.268 0 0 0-2.634 3.014l-5.474 92.456a3.268 3.268 0 0 0 3.997 3.378l24.777-5.718c2.318-.535 4.413 1.507 3.936 3.838l-7.361 36.047c-.495 2.426 1.782 4.5 4.151 3.78l15.304-4.649c2.372-.72 4.652 1.36 4.15 3.788l-11.698 56.621c-.732 3.542 3.979 5.473 5.943 2.437l1.313-2.028l72.516-144.72c1.215-2.423-.88-5.186-3.54-4.672l-25.505 4.922c-2.396.462-4.435-1.77-3.759-4.114l16.646-57.705c.677-2.35-1.37-4.583-3.769-4.113Z"></path></svg>

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<script setup>
import MarkdownEditor from './components/MarkdownEditor.vue'
import { ref } from 'vue'
const html = ref('')
</script>
<template>
<div class="editor-container">
<MarkdownEditor @update:html="html = $event" class="editor" />
<div class="preview" v-html="html"></div>
</div>
</template>
<style scoped>
</style>
</style>

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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" role="img" class="iconify iconify--logos" width="37.07" height="36" preserveAspectRatio="xMidYMid meet" viewBox="0 0 256 198"><path fill="#41B883" d="M204.8 0H256L128 220.8L0 0h97.92L128 51.2L157.44 0h47.36Z"></path><path fill="#41B883" d="m0 0l128 220.8L256 0h-51.2L128 132.48L50.56 0H0Z"></path><path fill="#35495E" d="M50.56 0L128 133.12L204.8 0h-47.36L128 51.2L97.92 0H50.56Z"></path></svg>

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<script setup>
import { ref } from 'vue'
defineProps({
msg: String,
})
const count = ref(0)
</script>
<template>
<h1>{{ msg }}</h1>
<div class="card">
<button type="button" @click="count++">count is {{ count }}</button>
<p>
Edit
<code>components/HelloWorld.vue</code> to test HMR
</p>
</div>
<p>
Check out
<a href="https://vuejs.org/guide/quick-start.html#local" target="_blank"
>create-vue</a
>, the official Vue + Vite starter
</p>
<p>
Learn more about IDE Support for Vue in the
<a
href="https://vuejs.org/guide/scaling-up/tooling.html#ide-support"
target="_blank"
>Vue Docs Scaling up Guide</a
>.
</p>
<p class="read-the-docs">Click on the Vite and Vue logos to learn more</p>
</template>
<style scoped>
.read-the-docs {
color: #888;
}
</style>

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<template>
<!-- Textarea for markdown input -->
<textarea
v-model="markdown"
@keydown="handleKeydown"
placeholder="Enter markdown..."
rows="10"
style="width: 100%;"
></textarea>
<!-- Plugin host (no UI) -->
<PluginHost />
</template>
<script setup>
import { ref, watch, onMounted } from 'vue'
import { plugins } from '../plugins/index'
import PluginHost from './PluginHost.vue'
import markdownIt from 'markdown-it'
import Prism from 'prismjs'
// 按需加载常用语言
import 'prismjs/components/prism-javascript'
import 'prismjs/components/prism-python'
import 'prismjs/components/prism-css'
/* ---------- 插件挂载点 ---------- */
const pluginContext = {}
onMounted(() => {
plugins.forEach(p => {
if (p.onSetup) p.onSetup(pluginContext)
})
})
/* ---------- markdown 解析 ---------- */
const md = markdownIt({
highlight: (code, lang) => {
if (lang && Prism.languages[lang]) {
return `<pre class="language-${lang}"><code>${Prism.highlight(
code,
Prism.languages[lang],
lang
)}</code></pre>`
}
return `<pre class="language-${lang}"><code>${md.utils.escapeHtml(
code
)}</code></pre>`
}
})
const markdown = ref('')
/* ---------- 解析后钩子 & emit ---------- */
watch(
markdown,
(newVal) => {
let html = md.render(newVal)
// onAfterParse 插件
const afterPayload = { markdown: newVal, html }
plugins.forEach(p => {
if (p.onAfterParse) {
const res = p.onAfterParse(afterPayload)
if (res && res.html) afterPayload.html = res.html
}
})
// onBeforeRender 插件
const beforePayload = { html: afterPayload.html }
plugins.forEach(p => {
if (p.onBeforeRender) {
const res = p.onBeforeRender(beforePayload)
if (res && res.html) beforePayload.html = res.html
}
})
emit('update:html', beforePayload.html)
},
{ immediate: true }
)
/* ---------- 键盘快捷键 ---------- */
function insertAtCursor(text) {
const el = document.activeElement
if (el && el.selectionStart !== undefined) {
const start = el.selectionStart
const end = el.selectionEnd
const before = markdown.value.slice(0, start)
const after = markdown.value.slice(end)
markdown.value = `${before}${text}${after}`
// 将光标放在插入文本后
const pos = start + text.length
nextTick(() => {
el.setSelectionRange(pos, pos)
})
}
}
function handleKeydown(e) {
if (e.ctrlKey && !e.shiftKey) {
if (e.key === 'b' || e.key === 'B') {
e.preventDefault()
insertAtCursor('**粗体**')
} else if (e.key === 'i' || e.key === 'I') {
e.preventDefault()
insertAtCursor('_斜体_')
} else if (e.key === '`') {
e.preventDefault()
insertAtCursor('```\n代码块\n```')
}
}
}
</script>
<style scoped>
textarea {
font-family: inherit;
font-size: 1rem;
padding: 0.5rem;
box-sizing: border-box;
}
</style>

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<template>
<!-- PluginHost does not render UI; it only runs plugin lifecycle hooks -->
</template>
<script setup>
import { onMounted } from 'vue'
import { plugins } from '../plugins/index'
/**
* Context object that can be extended by plugins during onSetup.
* Currently empty but can hold shared resources.
*/
const context = {}
onMounted(() => {
// Invoke onSetup hook of each registered plugin
plugins.forEach(p => {
if (p.onSetup) {
p.onSetup(context)
}
})
})
</script>

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import { createApp } from 'vue'
import App from './App.vue'
import './style.css'
createApp(App).mount('#app')

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import type { MarkdownPlugin } from './types'
/**
* Global plugin registry.
* Plugins can implement lifecycle hooks defined in {@link MarkdownPlugin}.
*/
export const plugins: MarkdownPlugin[] = []

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export interface MarkdownPlugin {
/**
* Called during component setup. Allows plugin to initialize.
* @param context - an object that can be extended by plugins.
*/
onSetup?(context: Record<string, any>): void
/**
* Called after markdown is parsed to HTML, before emitting.
* Allows plugin to modify the HTML.
* @param payload - contains original markdown and generated html.
*/
onAfterParse?(payload: { markdown: string; html: string }): { html?: string }
/**
* Called right before the HTML is rendered (e.g., before v-html).
* Allows final adjustments.
* @param payload - contains html that will be rendered.
*/
onBeforeRender?(payload: { html: string }): { html?: string }
}

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import { createRouter, createWebHistory } from 'vue-router'
const routes = [
{
path: '/',
name: 'Home',
component: () => import('../App.vue')
}
]
const router = createRouter({
history: createWebHistory(),
routes
})
export default router

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import { createPinia } from 'pinia'
const pinia = createPinia()
export default pinia

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:root {
font-family: system-ui, Avenir, Helvetica, Arial, sans-serif;
line-height: 1.5;
font-weight: 400;
color-scheme: light dark;
color: rgba(255, 255, 255, 0.87);
background-color: #242424;
font-synthesis: none;
text-rendering: optimizeLegibility;
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
a {
font-weight: 500;
color: #646cff;
text-decoration: inherit;
}
a:hover {
color: #535bf2;
}
body {
margin: 0;
display: flex;
place-items: center;
min-width: 320px;
min-height: 100vh;
}
h1 {
font-size: 3.2em;
line-height: 1.1;
}
button {
border-radius: 8px;
border: 1px solid transparent;
padding: 0.6em 1.2em;
font-size: 1em;
font-weight: 500;
font-family: inherit;
background-color: #1a1a1a;
cursor: pointer;
transition: border-color 0.25s;
}
button:hover {
border-color: #646cff;
}
button:focus,
button:focus-visible {
outline: 4px auto -webkit-focus-ring-color;
}
.card {
padding: 2em;
}
#app {
max-width: 1280px;
margin: 0 auto;
padding: 2rem;
text-align: center;
}
/* Layout */
.editor-container {
display: flex;
flex-direction: row;
height: 100vh;
width: 100%;
}
@media (max-width: 768px) {
.editor-container {
flex-direction: column;
}
}
.editor, .preview {
flex: 1;
padding: 1rem;
box-sizing: border-box;
}
/* Editor textarea */
.editor textarea,
.editor input,
.editor .input {
border: none;
outline: none;
background: transparent;
line-height: 1.6;
font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
width: 100%;
height: 100%;
resize: none;
}
/* Selection */
.editor ::selection {
background: rgba(200, 200, 200, 0.3);
}
/* Preview typography */
.preview p {
line-height: 1.6;
}
.preview h1 { font-size: 2em; }
.preview h2 { font-size: 1.75em; }
.preview h3 { font-size: 1.5em; }
.preview h4 { font-size: 1.25em; }
.preview h5 { font-size: 1em; }
.preview h6 { font-size: 0.875em; }
.preview blockquote {
border-left: 4px solid #ddd;
padding-left: 1rem;
color: #666;
}
/* Tables */
.preview table {
border-collapse: collapse;
width: 100%;
}
.preview th,
.preview td {
border: 1px solid #ccc;
padding: 0.4rem;
}
/* Code block */
.preview pre,
.preview code {
background: #f5f5f5;
border-radius: 4px;
padding: 0.8rem;
overflow-x: auto;
}
/* Global */
html,
body {
margin: 0;
padding: 0;
height: 100%;
}
/* CSS variables (to be defined elsewhere) */
:root {
--bg-color: var(--bg-color);
--text-color: var(--text-color);
}
/* Light mode overrides (original) */
@media (prefers-color-scheme: light) {
:root {
color: #213547;
background-color: #ffffff;
}
a:hover {
color: #747bff;
}
button {
background-color: #f9f9f9;
}
}

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import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
// https://vite.dev/config/
export default defineConfig({
plugins: [vue()],
})