mrmBot-Matrix/commands/image-editing/meme.js

import ImageCommand from "../../classes/imageCommand.js";
import { textEncode } from "../../utils/misc.js";

class MemeCommand extends ImageCommand {
  async criteria(text, url) {
    const [topText, bottomText] = text.replaceAll(url, "").split(/(?<!\\),/).map(elem => elem.trim());
    if (topText === "" && bottomText === "") {
      return false;
    } else {
      return true;
    }
  }

  params(url) {
    const newArgs = this.options.text ?? this.args.join(" ");
    const [topText, bottomText] = newArgs.replaceAll(url, "").split(/(?<!\\),/).map(elem => elem.trim());
    return {
      top: textEncode(this.options.case ? topText : topText.toUpperCase()),
      bottom: bottomText ? textEncode(this.options.case ? bottomText : bottomText.toUpperCase()) : "",
      font: typeof this.options.font === "string" && this.constructor.allowedFonts.includes(this.options.font.toLowerCase()) ? this.options.font.toLowerCase() : "impact"
    };
  }

  static init() {
    super.init();
    this.flags.push({
      name: "case",
      description: "Make the meme text case-sensitive (allows for lowercase text)",
      type: 5
    }, {
      name: "font",
      type: 3,
      choices: (() => {
        const array = [];
        for (const font of this.allowedFonts) {
          array.push({ name: font, value: font });
        }
        return array;
      })(),
      description: "Specify the font you want to use (default: impact)"
    });
    return this;
  }

  static description = "Generates a meme from an image (separate top/bottom text with a comma)";
  static arguments = ["[top text]", "{bottom text}"];

  static requiresText = true;
  static noText = "You need to provide some text to generate a meme!";
  static noImage = "You need to provide an image/GIF to generate a meme!";
  static command = "meme";
}

export default MemeCommand;