first commit

vant/packages/vant-cli/site/desktop/components/NavLink.vue

@@ -0,0 +1,62 @@
+<template>
+  <router-link
+    v-if="item.path"
+    :class="{ active }"
+    :to="path"
+    v-html="itemName"
+  />
+  <a v-else-if="item.link" :href="item.link" v-html="itemName" />
+  <a v-else v-html="itemName" />
+</template>
+
+<script>
+export default {
+  name: 'van-doc-nav-link',
+
+  props: {
+    base: String,
+    item: Object,
+  },
+
+  computed: {
+    itemName() {
+      const name = (this.item.title || this.item.name).split(' ');
+      return `${name[0]} <span>${name.slice(1).join(' ')}</span>`;
+    },
+
+    path() {
+      return `${this.base}${this.item.path}`;
+    },
+
+    active() {
+      if (this.$route.path === this.path) {
+        return true;
+      }
+
+      if (this.item.path === 'home') {
+        return this.$route.path === this.base;
+      }
+
+      return false;
+    },
+  },
+
+  watch: {
+    active() {
+      this.scrollIntoView();
+    },
+  },
+
+  mounted() {
+    this.scrollIntoView();
+  },
+
+  methods: {
+    scrollIntoView() {
+      if (this.active && this.$el && this.$el.scrollIntoViewIfNeeded) {
+        this.$el.scrollIntoViewIfNeeded();
+      }
+    },
+  },
+};
+</script>