more changes

src/lib/utils.js

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+import Sqids from 'sqids';
+
+let sqids = new Sqids({ minLength: 6 });
+
+export function hashcode(str) {
+	for (var i = 0, h = 9; i < str.length; ) h = Math.imul(h ^ str.charCodeAt(i++), 9 ** 9);
+	return h ^ (h >>> 9);
+}
+
+// for mnemonic display
+export function shorthandCode(str) {
+	return sqids.encode([hashcode(str) & 0xffff]);
+}
+
+// for tag display
+export function hashColor(str) {
+	const hash = hashcode(str);
+	return `hsl(${hash % 360}, ${65 + (hash % 30) + 1}%, ${85 + (hash % 10) + 1}%)`;
+}
+
+export function formatSecondsToHms(s) {
+	s = Number(s);
+	var h = Math.floor(s / 3600);
+	var m = Math.ceil((s % 3600) / 60);
+
+	var hDisplay = h > 0 ? h + (h == 1 ? ' hr' : ' hrs') + (m > 0 ? ', ' : '') : '';
+	var mDisplay = m > 0 ? m + (m == 1 ? ' min' : ' mins') : '';
+	return hDisplay + mDisplay;
+}
+
+export function formatDate(unix_timestamp) {
+	return new Date(unix_timestamp).toISOString().split('T')[0];
+}
+
+export function formatTrackTime(s) {
+	return new Date(s * 1000).toISOString().slice(11, 19);
+}