taglib-wasm/dist/src/simple/picture-operations.js

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

import { withAudioFile, withAudioFileSave } from "./with-audio-file.js";
async function readPictures(file) {
  return withAudioFile(file, (audioFile) => audioFile.getPictures());
}
async function applyPictures(file, pictures) {
  return withAudioFileSave(file, (audioFile) => {
    audioFile.setPictures(pictures);
  });
}
async function addPicture(file, picture) {
  return withAudioFileSave(file, (audioFile) => {
    audioFile.addPicture(picture);
  });
}
async function clearPictures(file) {
  return applyPictures(file, []);
}
async function readCoverArt(file) {
  const pictures = await readPictures(file);
  if (pictures.length === 0) {
    return void 0;
  }
  const frontCover = pictures.find((pic) => pic.type === "FrontCover");
  if (frontCover) {
    return frontCover.data;
  }
  return pictures[0].data;
}
async function applyCoverArt(file, imageData, mimeType) {
  const picture = {
    mimeType,
    data: imageData,
    type: "FrontCover",
    description: "Front Cover"
  };
  return applyPictures(file, [picture]);
}
function findPictureByType(pictures, type) {
  return pictures.find((pic) => pic.type === type);
}
async function replacePictureByType(file, newPicture) {
  const pictures = await readPictures(file);
  const filteredPictures = pictures.filter(
    (pic) => pic.type !== newPicture.type
  );
  filteredPictures.push(newPicture);
  return applyPictures(file, filteredPictures);
}
async function readPictureMetadata(file) {
  const pictures = await readPictures(file);
  return pictures.map((pic) => ({
    type: pic.type,
    mimeType: pic.mimeType,
    description: pic.description,
    size: pic.data.length
  }));
}
export {
  addPicture,
  applyCoverArt,
  applyPictures,
  clearPictures,
  findPictureByType,
  readCoverArt,
  readPictureMetadata,
  readPictures,
  replacePictureByType
};