@uppy/dashboard/lib/components/StatusBar/calculateProcessingProgress.js

Universal UI plugin for Uppy.

export default function calculateProcessingProgress(files) {
    const values = [];
    let mode = 'indeterminate';
    let message;
    for (const { progress } of Object.values(files)) {
        const { preprocess, postprocess } = progress;
        // In the future we should probably do this differently. For now we'll take the
        // mode and message from the first file…
        if (message == null && (preprocess || postprocess)) {
            ;
            ({ mode, message } = preprocess || postprocess);
        }
        if (preprocess?.mode === 'determinate')
            values.push(preprocess.value);
        if (postprocess?.mode === 'determinate')
            values.push(postprocess.value);
    }
    const value = values.reduce((total, progressValue) => {
        return total + progressValue / values.length;
    }, 0);
    return {
        mode,
        message,
        value,
    };
}