Question

我对javascript / nodejs完全陌生，我只是想使用try / catch向脚本添加一些错误处理。

我尝试在google / stackoverflow上查找示例，但我认为我犯了一个愚蠢的语法错误，因为我无法获取它来成功返回catch部分

const IncomingWebhook = require('@slack/webhook').IncomingWebhook; //function grabbed from slack webhook devkit library
var url = process.env.SLACK_WEBHOOK_URL; //process SLACK_WEBHOOK_URL from env variables
var webhook = new IncomingWebhook(url);

const TOTAL_GHE_ISSUES = "10"
const GHE_ISSUE_NUMBERS = "90"

// Send the notification, if no webhook is present in owners table, skips

if (url != ""){

    if (TOTAL_GHE_ISSUES != "0"){
        try {webhook.send({
            text: "*Daily Overdue Nessus Vulnerability Alert*",
            attachments: [{color: "#FF0000", blocks: [{type: "section",text: {type: "mrkdwn",text: "@here *" + TOTAL_GHE_ISSUES + "* Overdue Nessus Vulnerability issues reported \nOverdue Nessus Vulnerability GHE Issue Numbers: *" + GHE_ISSUE_NUMBERS + "*"}}]}]
        });
        }
        .catch(err){
            console.log("Webhook Verification Failed");
        }
    }

    else {
        webhook.send({
            text: "*Daily Overdue Nessus Vulnerability Alert*",
            attachments: [{color: "#36a64f", blocks: [{type: "section",text: {type: "mrkdwn",text: "@here *NO* Overdue Nessus Vulnerabilities reported"}}]}]
        });
    }
}

else {console.log("No webhook provided");}

尝试可以按预期进行，只要我给它一个有效的webhook，它将成功发布。 catch逻辑每次都会失败（我只希望暂时将其发布到console.log）。如果有人可以帮助我修复语法，我将不胜感激

编辑：我已尝试按照建议将“ .catch（err）”替换为“ catch（error）”，但它返回一个不同的错误“ UnhandledPromiseRejectionWarning：错误：发生了请求错误：connect ECONNREFUSED 127.0.0.1:80” 。我在想webhook.send有一个内置的承诺？我正在使用https://slack.dev/node-slack-sdk/webhook

如何在try / catch错误处理中修复“ SyntaxError：缺少捕获或尝试后最终失败”

0 个答案: