Cleanup

react/shared/util.js

@@ -0,0 +1,47 @@
+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 };