h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a> 了解详情</li> <li>typeRoots：类型 <code>Array&lt;String&gt;</code>，声明文件包根目录，默认是 node_modules/@types，如果 typeRoots 指定，则仅包括 typeRoots 下面的包。</li> <li>types：类型 <