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import { rgb8 } from "https://deno.land/std/fmt/colors.ts";import { readLines } from "https://deno.land/std/io/mod.ts";
// Copyright 2018-2020 https://github.com/deepakshrma. All rights reserved. MIT license.
/** * Supported colors for */type Colors = "cyan" | "green" | "grey";
/** * PasswordPromptOptions: Options for Password prompt * */interface PasswordPromptOptions {  /**   * ast: Asterisk symbol, false for disable   *   * @default "*"   */  ast?: string | false;  /**   * color: Color for Asterisk   * Options: Colors   *   * @default "grey"   */  color?: Colors;}
const encoder = new TextEncoder();const decoder = new TextDecoder();
/** * getColor: Get supported colors * * @param color */const getColor = (color: Colors | undefined): number => {  if (!color) return 8;  return {    cyan: 14,    green: 2,    grey: 8,  }[color];};
/** * Default options */const defaultOptions: PasswordPromptOptions = {  ast: "*",  color: "grey",};
/** * Prompts */class Prompts {  /**   * input: take input from user   *   * @param {string} message   */  static input = async (message?: string): Promise<string> => {    if (message) {      await Deno.write(Deno.stdout.rid, new TextEncoder().encode(message));    }    const line = await readLines(Deno.stdin).next();    const { value = "" } = await line;    return value.trim();  };  /**   * password: take input from user as passwd, hide user entered value show asterisk instead   *   * @param {string} message message to display, while taking input   * @param {PasswordPromptOptions} options options for more control.   */  static password = async (    message: string,    options: PasswordPromptOptions = defaultOptions  ) => {    options = { ...defaultOptions, ...options };    Deno.setRaw(0, true);    Deno.stdout.write(encoder.encode(message));    let password = "";    outer: while (true) {      const data = new Uint8Array(1);      const num = await Deno.stdin.read(data);      if (!num) break;      let char = decoder.decode(data);      switch (char.charCodeAt(0)) {        case 13:          break outer;        case 3:        case 4:          Deno.exit(1);        default:          password += char;          Deno.stdout.write(            encoder.encode(              `\r${message}${                typeof options.ast === "string"                  ? rgb8(                      Array(Math.min(password.length, 5))                        .fill(options.ast)                        .join(""),                      getColor(options.color)                    )                  : ""              }`            )          );          continue;      }    }    console.log("");    Deno.setRaw(0, false);    return password;  };}
export { Prompts, PasswordPromptOptions, Colors };