add tag name to all lambda functions

add_tag.mjs

#!/usr/bin/env zx

const aws = require('aws-sdk');
const lambda = new aws.Lambda({ region: 'ap-northeast-1' });

const functions = await lambda.listFunctions().promise();

for (const f of functions.Functions) {
    const str = await $`aws lambda list-tags --resource ${f.FunctionArn}`
    const json = JSON.parse(str);
    json.Tags.Name = f.FunctionName;
    const tag = Object.entries(json.Tags)
        .filter(([key, value]) => !key.startsWith('aws:'))
        .map(([key, value]) => `${key}=${value}`)
        .join(",");
    await $`aws lambda tag-resource --resource ${f.FunctionArn} --tags ${tag}`;
}