/** @module FileReaderAsync */
/** @class */
export class FileReaderAsync {
/**
* @param {String} type The return type (ArrayBuffer, BinaryString, Text, DataURL)
* @param {Blob} blob The `Blob` to read
* @returns {Promise<ArrayBuffer>} The `Blob` data
*/
static readAs(type,blob){
return new Promise((resolve,reject)=>{
const fileReader=new FileReader()
fileReader.onload=(event)=>resolve(event.target.result)
fileReader.onabort=(event)=>reject(event)
fileReader.onerror=(event)=>reject(event)
fileReader['readAs'+type](blob)
})
}
/**
* @param {Blob} blob The `Blob` to read
* @returns {Promise<ArrayBuffer>} The `Blob` data
*/
readAsArrayBuffer(blob) {
return FileReaderAsync.readAs('ArrayBuffer',blob)
}
/**
* @depreciated see https://developer.mozilla.org/en-US/docs/Web/API/FileReaderSync/readAsBinaryString
* @param {Blob} blob The `Blob` to read
* @returns {Promise<String>} The `Blob` data
*/
readAsBinaryString(blob) {
return FileReaderAsync.readAs('BinaryString',blob)
}
/**
* @param {Blob} blob The `Blob` to read
* @returns {Promise<String>} The `Blob` data
*/
readAsText(blob) {
return FileReaderAsync.readAs('Text',blob)
}
/**
* @param {Blob} blob The `Blob` to read
* @returns {Promise<String>} The `Blob` data
*/
readAsDataURL(blob) {
return FileReaderAsync.readAs('DataURL',blob)
}
}
export default FileReaderAsync