Force Async function to be sync for react server component. From https://davidwells.io/snippets/forcing-async-functions-to-sync-in-node

_force-sync.js

const forceSync = require('sync-rpc')
const syncFunction = forceSync(require.resolve('./async-thing'))

console.log('before')

const paramOne = 'foo'
const paramTwo = 'bar'
const syncReturnValue = syncFunction(paramOne, paramTwo)
console.log('syncReturn', syncReturnValue)

console.log('after')

async-thing.js

const AWS = require('aws-sdk')
const dynamoDB = new AWS.DynamoDB({
  region: 'us-east-1'
})

async function doThing() {
  return (paramOne, paramTwo) => {
    // Your async code here
    return dynamoDB.describeTable({ TableName: 'blog-posts' }).promise().then((x) => {
      return x
    })
  }
}

module.exports = doThing

package.json

{
  "name": "force-syncer",
  "version": "1.0.0",
  "main": "index.js",
  "dependencies": {
    "aws-sdk": "^2.817.0",
    "sync-rpc": "^1.3.6"
  },
}