Prompt middleware function.

import { prompt } from "./prompt.ts";
import { Input } from "./input.ts";

const result = await prompt([{
  name: "name",
  message: "Project name",
  type: Input,
}, {
  name: "path",
  message: "Project path",
  type: Input,
}], {
  async before(promptName, { name }, next) {
    // do something before {promptName} excution.
    await next();
    // all prompts executed.
  },
  async after(promptName, { name }, next) {
    // do something after {promptName} excution.
    await next();
    // all prompts executed.
  }
});