react-weekly-table/build/utils/inputParser.js

React weekly scheduler <br/> By default build time ranges for a week, supports up to 31 days <br/> Can work with different timezones, data always return to UTC+0

/**
 * Schedule groups parser with setting offset
 * @param defaultValue - input groups
 * @param columnsLength - used day of week count
 * @param tzOffset - required offset in ms
 * @returns Timeblocks with offset
 */
export const inputParser = (defaultValue, columnsLength, tzOffset) => {
    return defaultValue.reduce((acc, current) => {
        let binMask = current.mask.toString(2);
        if (binMask.length < columnsLength) {
            binMask = '0'.repeat(columnsLength - binMask.length).concat(binMask);
        }
        const inputColumns = [...binMask].reverse();
        const ofStart = current.startTime - tzOffset;
        const ofEnd = current.endTime - tzOffset;
        const filtered = inputColumns.reduce((acc, current, currentIndex) => {
            if (current === '0')
                return acc.concat();
            return acc.concat({
                startTime: ofStart,
                endTime: ofEnd,
                column: currentIndex,
            });
        }, []);
        return acc.concat(filtered);
    }, []);
};