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authorSteve Klebanoff <steve.klebanoff@gmail.com>2018-10-31 11:18:21 +0800
committerSteve Klebanoff <steve.klebanoff@gmail.com>2018-10-31 11:18:21 +0800
commit229f11f164ce5109b771295d9aee8ebb74314181 (patch)
treead4cdcc1926a1e7ec563f331c8f1edba7770b867 /packages/instant/src/util
parent0e1e9b27f6f5b93e1f9b0e2833bc600836f8e757 (diff)
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Nice formatting of displayed time
Diffstat (limited to 'packages/instant/src/util')
-rw-r--r--packages/instant/src/util/time.ts39
1 files changed, 39 insertions, 0 deletions
diff --git a/packages/instant/src/util/time.ts b/packages/instant/src/util/time.ts
new file mode 100644
index 000000000..bfe69cad5
--- /dev/null
+++ b/packages/instant/src/util/time.ts
@@ -0,0 +1,39 @@
+const secondsToMinutesAndRemainingSeconds = (seconds: number): { minutes: number; remainingSeconds: number } => {
+ const minutes = Math.floor(seconds / 60);
+ const remainingSeconds = seconds - minutes * 60;
+
+ return {
+ minutes,
+ remainingSeconds,
+ };
+};
+
+const padZero = (aNumber: number): string => {
+ return aNumber < 10 ? `0${aNumber}` : aNumber.toString();
+};
+
+export const timeUtil = {
+ // converts seconds to human readable version of seconds or minutes
+ secondsToHumanDescription: (seconds: number): string => {
+ const { minutes, remainingSeconds } = secondsToMinutesAndRemainingSeconds(seconds);
+
+ if (minutes === 0) {
+ const suffix = seconds > 1 ? 's' : '';
+ return `${seconds} second${suffix}`;
+ }
+
+ const minuteSuffix = minutes > 1 ? 's' : '';
+ const minuteText = `${minutes} minute${minuteSuffix}`;
+
+ const secondsSuffix = remainingSeconds > 1 ? 's' : '';
+ const secondsText = remainingSeconds === 0 ? '' : ` ${remainingSeconds} second${secondsSuffix}`;
+
+ return `${minuteText}${secondsText}`;
+ },
+ // converts seconds to stopwatch time (i.e. 05:30 and 00:30)
+ // only goes up to minutes, not hours
+ secondsToStopwatchTime: (seconds: number): string => {
+ const { minutes, remainingSeconds } = secondsToMinutesAndRemainingSeconds(seconds);
+ return `${padZero(minutes)}:${padZero(remainingSeconds)}`;
+ },
+};