web-base/react/shared/util.js
2022-11-29 14:17:11 +01:00

47 lines
1.2 KiB
JavaScript

function humanReadableSize(bytes, dp = 1) {
const thresh = 1024;
if (Math.abs(bytes) < thresh) {
return bytes + ' B';
}
const units = ['KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
let u = -1;
const r = 10**dp;
do {
bytes /= thresh;
++u;
} while (Math.round(Math.abs(bytes) * r) / r >= thresh && u < units.length - 1);
return bytes.toFixed(dp) + ' ' + units[u];
}
const removeParameter = (key) => {
const url = new URL(window.location);
url.searchParams.delete(key);
window.history.replaceState(null, '', url);
}
const getParameter = (key) => {
const url = new URL(window.location);
if (url.searchParams.has(key)) {
return decodeURIComponent(url.searchParams.get(key));
} else {
return null;
}
}
const encodeText = (str) => {
return Uint8Array.from(str, c => c.charCodeAt(0));
}
const decodeText = (buffer) => {
return String.fromCharCode(...new Uint8Array(buffer));
}
const getBaseUrl = () => {
return window.location.protocol + "//" + window.location.host;
}
export { humanReadableSize, removeParameter, getParameter, encodeText, decodeText, getBaseUrl };