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gitea/web_src/js/utils.js

43 lines
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// 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
}