小编hpa*_*ier的帖子

当我使用 gql（来自“graphql-tag”）进行查询/突变/订阅时，出现错误。

有谁遇到过这个错误并且知道如何修复它？
\n这是我的代码：

import React from \'react\';\nimport { Mutation } from \'react-apollo\';\nimport MUTATION from \'./query.js\';\nimport gql from \'graphql-tag\';\n\nconst ADD_POST_MUTATION = gql`\n  mutation addPost($content: String!, $author: String!)\xc2\xa0{\n    addPost(content: $content, author: $author) {\n      content\n      author\n    }\n  }\n`;\n\nexport default class Tool extends React.Component {\n  state = {\n    content: \'\',\n    author: localStorage.getItem(\'user\') || \'\'\n  };\n\n  handleSubmit = (e, mutation) => {\n    console.log(mutation);\n    e.preventDefault();\n    mutation({ variables: { content: this.state.content, author: this.state.author }})\n      .then(res => console.log(res))\n      .catch(e => console.log(e));\n  }\n\n  render() {\n    return …