@selfcommunity/react-ui
Version:
React UI Components to integrate a Community created with SelfCommunity Platform.
31 lines (30 loc) • 1.31 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.md5 = void 0;
const tslib_1 = require("tslib");
const spark_md5_1 = tslib_1.__importDefault(require("spark-md5"));
const md5 = (file, chunkSize, callback) => {
chunkSize = chunkSize || 2097152; // Read in chunks of 2MB
// eslint-disable-next-line @typescript-eslint/unbound-method
let blobSlice = File.prototype.slice || File.prototype['mozSlice'] || File.prototype['webkitSlice'], chunks = Math.ceil(file.size / chunkSize), currentChunk = 0, spark = new spark_md5_1.default.ArrayBuffer(), fileReader = new FileReader();
fileReader.onload = function (e) {
// console.log('read chunk nr', currentChunk + 1, 'of', chunks);
spark.append(e.target.result); // Append array buffer
currentChunk++;
if (currentChunk < chunks) {
loadNext();
}
else {
callback(spark.end());
}
};
fileReader.onerror = function () {
console.warn('oops, something went wrong.');
};
function loadNext() {
let start = currentChunk * chunkSize, end = start + chunkSize >= file.size ? file.size : start + chunkSize;
fileReader.readAsArrayBuffer(blobSlice.call(file, start, end));
}
loadNext();
};
exports.md5 = md5;