test-rxdb/dist/esm/plugins/utils/utils-blob.js

A local realtime NoSQL Database for JavaScript applications -

import { arrayBufferToBase64 } from "./utils-base64.js";

/**
 * Since RxDB 13.0.0 we only use Blob instead of falling back to Buffer,
 * because Node.js >18 supports Blobs anyway.
 */
/**
 * depending if we are on node or browser,
 * we have to use Buffer(node) or Blob(browser)
 */
export function createBlob(data, type) {
  var blob = new Blob([data], {
    type
  });
  return blob;
}
export async function createBlobFromBase64(base64String, type) {
  var base64Response = await fetch("data:" + type + ";base64," + base64String);
  var blob = await base64Response.blob();
  return blob;
}
export function blobToString(blob) {
  /**
   * in the electron-renderer we have a typed array instead of a blob
   * so we have to transform it.
   * @link https://github.com/pubkey/rxdb/issues/1371
   */
  var blobType = Object.prototype.toString.call(blob);
  if (blobType === '[object Uint8Array]') {
    blob = new Blob([blob]);
  }
  if (typeof blob === 'string') {
    return Promise.resolve(blob);
  }
  return blob.text();
}
export async function blobToBase64String(blob) {
  if (typeof blob === 'string') {
    return blob;
  }

  /**
   * in the electron-renderer we have a typed array instead of a blob
   * so we have to transform it.
   * @link https://github.com/pubkey/rxdb/issues/1371
   */
  var blobType = Object.prototype.toString.call(blob);
  if (blobType === '[object Uint8Array]') {
    blob = new Blob([blob]);
  }
  var arrayBuffer = await blob.arrayBuffer();
  return arrayBufferToBase64(arrayBuffer);
}
export function getBlobSize(blob) {
  return blob.size;
}
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