wishwash (npm): Wishwash takes 4 arguments: a value (usually an iterator), a min, a max, and an inclusive qualifier, and counts back and forth between the min and max to your value. Wishwash can be likened to the modulus operator but instead of being used as a single dir
Keywords: modulus|pendulum|counter|range|spectrum|waver|swing|UI|back and forth|backwards and forwards|forth and back|forwards and backwards