Using Promise.all to create map

Question

I have the following list = ["yellow", "blue", "red"]

I want to create a map, while with await and promiseAll while using the entries as the map key, and the function result as the value.

e.g:

async function concatStr(color): Promise<String> {
    return color + "dosomthing"
}

and the map will be:
{
  "yellow": "yellowdosomething",
  "blue": "bluedosomething",
  "red": "reddosomething"
}

I believe that I need to use yield , but not sure how to do it