taglib-wasm/dist/src/file-utils/export-operations.js

TagLib-Wasm is the universal tagging library for TypeScript/JavaScript platforms: Browsers, Node.js, Deno, Bun, Cloudflare Workers, and Electron apps

import { MetadataError } from "../errors/classes.js";
import { readCoverArt, readPictures } from "../simple/index.js";
import { writeFileData } from "../utils/write.js";
import { generatePictureFilename } from "./mime-detection.js";
import { joinPath as join } from "../utils/path.js";
async function exportCoverArt(audioPath, imagePath) {
  const coverData = await readCoverArt(audioPath);
  if (!coverData) {
    throw new MetadataError("read", `No cover art found. Path: ${audioPath}`);
  }
  await writeFileData(imagePath, coverData);
}
async function exportPictureByType(audioPath, imagePath, type) {
  const pictures = await readPictures(audioPath);
  const picture = pictures.find((pic) => pic.type === type);
  if (!picture) {
    throw new MetadataError(
      "read",
      `No picture of type ${type} found. Path: ${audioPath}`
    );
  }
  await writeFileData(imagePath, picture.data);
}
async function exportAllPictures(audioPath, outputDir, options = {}) {
  const pictures = await readPictures(audioPath);
  const exportedPaths = [];
  for (let i = 0; i < pictures.length; i++) {
    const picture = pictures[i];
    const filename = options.nameFormat ? options.nameFormat(picture, i) : generatePictureFilename(picture, i);
    const fullPath = join(outputDir, filename);
    await writeFileData(fullPath, picture.data);
    exportedPaths.push(fullPath);
  }
  return exportedPaths;
}
export {
  exportAllPictures,
  exportCoverArt,
  exportPictureByType
};