taglib-wasm/dist/src/taglib/save-reconstruct.js

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

import { FileOperationError, InvalidFormatError } from "../errors.js";
import { readFileData } from "../utils/file.js";
import { writeFileData } from "../utils/write.js";
import { wrapEmbindHandle } from "./embind-adapter.js";
import { copyExtraState } from "./extra-state-registry.js";
import { mp4FreeformAtomNames } from "../constants/properties.js";
import { MP4_ITEM_NAMES_KEY } from "./mp4-item-names.js";
function copyEditedState(target, source, sourceComplete, deletedKeys) {
  target.setTagData(source.getTagData());
  const merged = sourceComplete ? source.getProperties() : { ...target.getProperties(), ...source.getProperties() };
  for (const key of deletedKeys) delete merged[key];
  const atomNames = mp4FreeformAtomNames(Object.keys(merged));
  if (atomNames.length > 0) merged[MP4_ITEM_NAMES_KEY] = atomNames;
  target.setProperties(merged);
  copyExtraState(target, source, sourceComplete);
}
async function saveViaFreshHandle(module, editing, source, targetPath, sourceComplete, deletedKeys = /* @__PURE__ */ new Set()) {
  const rawFullHandle = module.createFileHandle();
  const fullFileHandle = module.isWasi ? rawFullHandle : wrapEmbindHandle(rawFullHandle);
  try {
    {
      const data = await readFileData(source);
      if (!fullFileHandle.loadFromBuffer(data)) {
        throw new InvalidFormatError(
          "Failed to load full audio file for saving"
        );
      }
    }
    copyEditedState(fullFileHandle, editing, sourceComplete, deletedKeys);
    if (!fullFileHandle.save()) {
      throw new FileOperationError(
        "save",
        "Failed to save changes to full file"
      );
    }
    await writeFileData(targetPath, fullFileHandle.getBuffer());
  } finally {
    fullFileHandle.destroy();
  }
}
export {
  saveViaFreshHandle
};