githaven/web_src/js/utils.js

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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));
}
const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
// generate a random string
export function random(length) {
let str = '';
for (let i = 0; i < length; i++) {
str += chars.charAt(Math.floor(Math.random() * chars.length));
}
return str;
}