chamesu/packages/frontend/ui/modules/utils.ts

This package contains all packages of the chat application.

/*
 * Copyright (c) 2022.
 * Author Peter Placzek (tada5hi)
 * For the full copyright and license information,
 * view the LICENSE file that was distributed with this source code.
 */

export function clearObjectProperties(obj: {[key: string] : any}) {
    for (let propName in obj) {
        if (obj[propName] === null || obj[propName] === undefined) {
            delete obj[propName];
        }

        if(obj[propName] === '') {
            obj[propName] = null;
        }
    }

    return obj;
}

export function transformDataURIToBlob(dataURI: string) : Blob {
    const splitDataURI = dataURI.split(',')
    const byteString = splitDataURI[0].indexOf('base64') >= 0 ? atob(splitDataURI[1]) : decodeURI(splitDataURI[1])
    const mimeString = splitDataURI[0].split(':')[1].split(';')[0]

    const ia = new Uint8Array(byteString.length)
    for (let i = 0; i < byteString.length; i++)
        ia[i] = byteString.charCodeAt(i)

    return new Blob([ia], { type: mimeString })
}