// transform /path/to/file.ext to file.ext export function basename(path = '') { return path ? path.replace(/^.*\//, '') : ''; } // transform /path/to/file.ext to .ext export function extname(path = '') { const [_, ext] = /.+(\.[^.]+)$/.exec(path) || []; return ext || ''; } // test whether a variable is an object export function isObject(obj) { return Object.prototype.toString.call(obj) === '[object Object]'; } // returns whether a dark theme is enabled export function isDarkTheme() { return document.documentElement.classList.contains('theme-arc-green'); } // removes duplicate elements in an array export function uniq(arr) { return Array.from(new Set(arr)); } // strip <tags> from a string export function stripTags(text) { return text.replace(/<[^>]*>?/gm, ''); } // searches the inclusive range [minValue, maxValue]. // credits: https://matthiasott.com/notes/write-your-media-queries-in-pixels-not-ems export function mqBinarySearch(feature, minValue, maxValue, step, unit) { if (maxValue - minValue < step) { return minValue; } const mid = Math.ceil((minValue + maxValue) / 2 / step) * step; if (matchMedia(`screen and (min-${feature}:${mid}${unit})`).matches) { return mqBinarySearch(feature, mid, maxValue, step, unit); // feature is >= mid } return mqBinarySearch(feature, minValue, mid - step, step, unit); // feature is < mid }