From 229f11f164ce5109b771295d9aee8ebb74314181 Mon Sep 17 00:00:00 2001 From: Steve Klebanoff Date: Tue, 30 Oct 2018 20:18:21 -0700 Subject: Nice formatting of displayed time --- packages/instant/src/util/time.ts | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 packages/instant/src/util/time.ts (limited to 'packages/instant/src/util/time.ts') 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)}`; + }, +}; -- cgit