소개

코드

const axios = require('axios');//npm install axios　してね

//Slackにメッセージを送る
//引数1(文字列) : チャンネル名 (例: #勤怠履歴)
//引数2(文字列) : 送りたいメッセージ
const postSlack = async (ch,msg) =>{
    console.log('postSlack...')
    const req_url = 'https://slack.com/api/chat.postMessage'
    console.log('req_url:' + req_url);

    //これを使わずにオブジェクトで送るとJSONの形式ガーーーー！！みたいなErrorがでます
    let params = new URLSearchParams();

    params.append('token','アクセストークン') //正式なものをいれてください
    params.append('channel',ch)
    params.append('text',msg)

    const res = await axios.post(req_url, params)

    return res
}

전화하는 방법

const test = async () => {
 const result = await postSlack('#general','こんにちはせかい')
 console.log('result: ' + JSON.stringify(result.data))
}

결과

발생한 오류

(node:73150) UnhandledPromiseRejectionWarning: TypeError: Converting circular structure to JSON
    --> starting at object with constructor 'ClientRequest'
    |     property 'socket' -> object with constructor 'TLSSocket'
    --- property '_httpMessage' closes the circle
    at JSON.stringify (<anonymous>)
    at test (/Users/merarli/WebstormProjects/hogehoge/index.js:1143:32)
    at processTicksAndRejections (internal/process/task_queues.js:85:5)
(node:73150) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:73150) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.