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Pinafore-Web-Client-Frontend/tests/blobUtils.js
2018-03-02 17:54:38 -08:00

16 lines
429 B
JavaScript

export function base64StringToBlob (base64, type) {
function binaryStringToArrayBuffer (binary) {
let length = binary.length
let buf = new ArrayBuffer(length)
let arr = new Uint8Array(buf)
let i = -1
while (++i < length) {
arr[i] = binary.charCodeAt(i)
}
return buf
}
let parts = [binaryStringToArrayBuffer(atob(base64))]
return type ? new Blob(parts, {type: type}) : new Blob(parts)
}