URL.createObjectURL(blob)

• blob <Blob>

• 返回：<string>

  ¥Returns: <string>

创建表示给定的 <Blob> 对象并且可用于稍后检索 Blob 的 'blob:nodedata:...' 网址字符串。

¥Creates a 'blob:nodedata:...' URL string that represents the given <Blob> object and can be used to retrieve the Blob later.

const {
  Blob,
  resolveObjectURL,
} = require('node:buffer');

const blob = new Blob(['hello']);
const id = URL.createObjectURL(blob);

// later...

const otherBlob = resolveObjectURL(id);
console.log(otherBlob.size); 拷贝

已注册的 <Blob> 存储的数据将保留在内存中，直到调用 URL.revokeObjectURL() 将其删除。

¥The data stored by the registered <Blob> will be retained in memory until URL.revokeObjectURL() is called to remove it.

Blob 对象已在当前线程中注册。如果使用工作线程，则在工作线程内注册的 Blob 对象将不能被其他工作线程或主线程使用。

¥Blob objects are registered within the current thread. If using Worker Threads, Blob objects registered within one Worker will not be available to other workers or the main thread.