remove useless code.

src/learn/index.vue

@@ -1,103 +0,0 @@
-<script setup lang="ts">
-import { isDesktop } from "~/shared/composables/breakpoints"
-import { code } from "~/shared/composables/learn"
-import { useLearnStore } from "./store"
-
-const CodeEditor = defineAsyncComponent(
-  () => import("~/shared/components/CodeEditor.vue"),
-)
-
-const route = useRoute()
-const router = useRouter()
-const learnStore = useLearnStore()
-
-const Mds = Array.from({ length: learnStore.total }, (_, i) => i + 1).map((v) =>
-  defineAsyncComponent(() => import(`./step-${v}/index.md`)),
-)
-
-watch(
-  () => route.params.step,
-  async (value) => {
-    if (route.name !== "learn") return
-    try {
-      const raw = await import(`./${value[0]}/main.c?raw`)
-      code.value = raw.default
-    } catch (err) {
-      router.replace("/learn/step-1")
-    }
-  },
-  { immediate: true },
-)
-</script>
-
-<template>
-  <n-grid v-if="isDesktop" :cols="22">
-    <n-gi :span="2">
-      <n-scrollbar style="max-height: calc(100vh - 92px)">
-        <n-space vertical>
-          <span>目录</span>
-          <n-button
-            text
-            :type="learnStore.current === title.key ? 'primary' : 'default'"
-            v-for="title in learnStore.menu"
-            :key="title.key"
-            @click="title.props?.onClick"
-          >
-            {{ title.label }}
-          </n-button>
-        </n-space>
-      </n-scrollbar>
-    </n-gi>
-    <n-gi :span="10">
-      <n-scrollbar style="max-height: calc(100vh - 92px)">
-        <component :is="Mds[learnStore.current - 1]"></component>
-      </n-scrollbar>
-    </n-gi>
-    <n-gi :span="10">
-      <CodeEditor v-model="code" height="calc(100vh - 92px)" />
-    </n-gi>
-  </n-grid>
-  <div v-else>
-    <n-scrollbar style="height: calc(50vh - 42px)">
-      <component :is="Mds[learnStore.current - 1]"></component>
-    </n-scrollbar>
-    <CodeEditor v-model="code" height="calc(50vh - 42px)" />
-  </div>
-</template>
-
-<style>
-.__layout-dark .vitesse-light {
-  display: none;
-}
-
-.__layout .vitesse-dark {
-  display: none;
-}
-
-.shiki .highlighted {
-  background: #7f7f7f20;
-  display: block;
-  margin: 0 -1rem;
-  padding: 0 1rem;
-}
-
-.markdown-body code[v-pre] {
-  font-size: 20px;
-  font-family: "SF Mono", Monaco, Menlo, Consolas, "Ubuntu Mono",
-    "Liberation Mono", "DejaVu Sans Mono", "Courier New", monospace;
-  display: flex;
-  flex-direction: column;
-  counter-reset: step;
-  counter-increment: step 0;
-}
-
-.markdown-body code[v-pre] .line:not(:last-child)::before {
-  content: counter(step);
-  counter-increment: step;
-  width: 1rem;
-  margin-right: 1.5rem;
-  display: inline-block;
-  text-align: right;
-  color: rgba(115, 138, 148, 0.4);
-}
-</style>

src/learn/menu.md

@@ -1,3 +0,0 @@
-我是第一步
-我是第二步
-我是第三步

src/learn/step-1/index.md

@@ -1,17 +0,0 @@
-# 我是一级标题
-
-## 我是二级标题
-
-### 我是三级标题
-
-我是代码
-
-```c
-#include<stdio.h>
-
-int main()
-{
-    printf("hello world");
-    return 0;
-}
-```

src/learn/step-1/main.c

@@ -1,7 +0,0 @@
-#include <stdio.h>
-
-int main()
-{
-    printf("我是右侧的代码");
-    return 0;
-}

src/learn/step-2/index.md

@@ -1,7 +0,0 @@
-随便写写
-
-图片 1
-![tupian](./WX20220628-084503@2x.png)
-
-图片 2
-<img src="./WX20220628-084503@2x.png" style="width: 100%"/>

src/learn/step-2/main.c

@@ -1 +0,0 @@
-1212121212

src/learn/store.ts

@@ -1,39 +0,0 @@
-import sidebar from "./menu.md?raw"
-
-export const useLearnStore = defineStore("learn", () => {
-  const route = useRoute()
-  const router = useRouter()
-
-  const current = computed(() => {
-    if (!route.params.step || !route.params.step.length) return 1
-    else {
-      return parseInt(route.params.step[0].split("-")[1])
-    }
-  })
-
-  const menu: DropdownOption[] = sidebar
-    .split("\n")
-    .filter((title) => !!title)
-    .map((title: string, index) => {
-      return {
-        key: index + 1,
-        label: title,
-        props: {
-          onClick: () => {
-            router.push(`/learn/step-${index + 1}`)
-          },
-        },
-      }
-    })
-
-  function go(step: number) {
-    router.push(`/learn/step-${step}`)
-  }
-
-  return {
-    total: menu.length,
-    current,
-    menu,
-    go,
-  }
-})