upload_progress_store_mobx.ts

import {decorate, observable, action, runInAction} from 'mobx';

class UploadProgress {
    public totalPercent!: number;

    constructor(initialPercent?: number) {
        runInAction(() => {
            this.totalPercent = initialPercent || 0;
        });
    }

    setTotalPercent = (totalPercent: number): void => {
        this.totalPercent = totalPercent;
    };
}

decorate(UploadProgress, {
    totalPercent: observable,
    setTotalPercent: action
});

export default UploadProgress;