feat: 添加Markdown示例 (#1193)

src/views/markdown/components/Vditor.vue

@@ -0,0 +1,105 @@
+<script setup lang="ts">
+import "vditor/dist/index.css";
+import Vditor from "vditor";
+import { useDark } from "@pureadmin/utils";
+import { useIntervalFn } from "@vueuse/core";
+import { onMounted, ref, watch, toRaw, onUnmounted } from "vue";
+
+const emit = defineEmits([
+  "update:modelValue",
+  "after",
+  "focus",
+  "blur",
+  "esc",
+  "ctrlEnter",
+  "select"
+]);
+
+const props = defineProps({
+  options: {
+    type: Object,
+    default() {
+      return {};
+    }
+  },
+  modelValue: {
+    type: String,
+    default: ""
+  }
+});
+
+const { isDark } = useDark();
+const editor = ref<Vditor | null>(null);
+const markdownRef = ref<HTMLElement | null>(null);
+
+onMounted(() => {
+  editor.value = new Vditor(markdownRef.value as HTMLElement, {
+    ...props.options,
+    value: props.modelValue,
+    cache: {
+      enable: false
+    },
+    fullscreen: {
+      index: 10000
+    },
+    after() {
+      emit("after", toRaw(editor.value));
+    },
+    input(value: string) {
+      emit("update:modelValue", value);
+    },
+    focus(value: string) {
+      emit("focus", value);
+    },
+    blur(value: string) {
+      emit("blur", value);
+    },
+    esc(value: string) {
+      emit("esc", value);
+    },
+    ctrlEnter(value: string) {
+      emit("ctrlEnter", value);
+    },
+    select(value: string) {
+      emit("select", value);
+    }
+  });
+});
+
+watch(
+  () => props.modelValue,
+  newVal => {
+    if (newVal !== editor.value?.getValue()) {
+      editor.value?.setValue(newVal);
+    }
+  }
+);
+
+watch(
+  () => isDark.value,
+  newVal => {
+    const { pause } = useIntervalFn(() => {
+      if (editor.value.vditor) {
+        newVal
+          ? editor.value.setTheme("dark", "dark", "rose-pine")
+          : editor.value.setTheme("classic", "light", "github");
+        pause();
+      }
+    }, 20);
+  }
+);
+
+onUnmounted(() => {
+  const editorInstance = editor.value;
+  if (!editorInstance) return;
+  try {
+    editorInstance?.destroy?.();
+  } catch (error) {
+    console.log(error);
+  }
+});
+</script>
+
+<template>
+  <div ref="markdownRef" />
+</template>