chore: add a few 2.x examples

packages/vue/examples/composition/commits.html

@@ -0,0 +1,74 @@
+<script src="../../dist/vue.global.js"></script>
+
+<div id="demo">
+  <h1>Latest Vue.js Commits</h1>
+  <template v-for="branch in branches">
+    <input type="radio"
+      :id="branch"
+      :value="branch"
+      name="branch"
+      v-model="currentBranch">
+    <label :for="branch">{{ branch }}</label>
+  </template>
+  <p>vuejs/vue@{{ currentBranch }}</p>
+  <ul>
+    <li v-for="{ html_url, sha, author, commit } in commits">
+      <a :href="html_url" target="_blank" class="commit">{{ sha.slice(0, 7) }}</a>
+      - <span class="message">{{ truncate(commit.message) }}</span><br>
+      by <span class="author"><a :href="author.html_url" target="_blank">{{ commit.author.name }}</a></span>
+      at <span class="date">{{ formatDate(commit.author.date) }}</span>
+    </li>
+  </ul>
+</div>
+
+<script>
+const { createApp, ref, watch } = Vue
+const API_URL = `https://api.github.com/repos/vuejs/vue-next/commits?per_page=3&sha=`
+
+const truncate = v => {
+  const newline = v.indexOf('\n')
+  return newline > 0 ? v.slice(0, newline) : v
+}
+
+const formatDate = v => v.replace(/T|Z/g, ' ')
+
+const App = {
+  setup() {
+    const currentBranch = ref('master')
+    const commits = ref(null)
+
+    watch(() => {
+      fetch(`${API_URL}${currentBranch.value}`)
+        .then(res => res.json())
+        .then(data => { commits.value = data })
+    })
+
+    return {
+      branches: ['master', 'sync'],
+      currentBranch,
+      commits,
+      truncate,
+      formatDate
+    }
+  }
+}
+
+createApp().mount(App, '#demo')
+</script>
+
+<style>
+  #demo {
+    font-family: 'Helvetica', Arial, sans-serif;
+  }
+  a {
+    text-decoration: none;
+    color: #f66;
+  }
+  li {
+    line-height: 1.5em;
+    margin-bottom: 20px;
+  }
+  .author, .date {
+    font-weight: bold;
+  }
+</style>