Minimalist timestamp manipulator and formatter inspired by moment.js
Small utility to convert times between GPS epoch (midnight January 6, 1980) and Unix epoch (midnight January 1, 1970), taking into account leap seconds.
Minimalist deep merging of Objects with the same function signature as Object.assign()
Makes sure test DOM attributes (e.g. data-test-id) are added to interactive DOM elements.
Iterates through an image slideshow based on cursor position
Computes and displays satellites currently visible overhead.