igir/dist/src/modules/dats/datCombiner.js

🕹 A zero-setup ROM collection manager that sorts, filters, extracts or archives, patches, and reports on collections of any size on any OS.

import Package from "../../globals/package.js";
import Header from "../../models/dats/logiqx/header.js";
import LogiqxDAT from "../../models/dats/logiqx/logiqxDat.js";
import ArrayUtil from "../../utils/arrayUtil.js";
import DateUtil from "../../utils/dateUtil.js";
import Module from "../module.js";
class DATCombiner extends Module {
  constructor(progressBar) {
    super(progressBar, DATCombiner.name);
  }
  /**
   * Combine the DATs.
   */
  combine(dats) {
    this.prefixedLogger.trace(`combining ${dats.length} DAT${dats.length === 1 ? "" : "s"}`);
    const games = dats.flatMap((dat) => dat.getGames()).filter(ArrayUtil.filterUniqueMapped((game) => game.hashCode()));
    const isMame = dats.some((dat) => dat.isMame());
    const newDat = new LogiqxDAT({
      header: DATCombiner.generateHeader(dats),
      ...isMame ? { machine: games } : { games }
    });
    this.prefixedLogger.trace(`done combining ${dats.length} DAT${dats.length === 1 ? "" : "s"}`);
    return newDat;
  }
  static generateHeader(dats) {
    const datName = "igir combined";
    const date = DateUtil.format("YYYYMMDD-HHmmss");
    return new Header({
      name: datName,
      description: datName,
      version: date,
      date,
      author: Package.NAME,
      url: Package.HOMEPAGE,
      comment: [
        `Combined DAT generated by ${Package.NAME} v${Package.VERSION}`,
        ...dats.map((dat) => dat.getName())
      ].join("\n")
    });
  }
}
export {
  DATCombiner as default
};
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