Prompt middleware function.

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

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