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58 lines
1.6 KiB
58 lines
1.6 KiB
2 years ago
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// General helper functions
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export const cancelablePromise = promise => {
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let isCanceled = false
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const wrappedPromise = new Promise((resolve, reject) => {
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promise.then(
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value => (isCanceled ? reject({ isCanceled, value }) : resolve(value)),
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error => reject({ isCanceled, error })
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)
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})
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return {
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promise: wrappedPromise,
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cancel: () => (isCanceled = true),
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}
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}
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export const noop = () => {}
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export const delay = (n = 550) => new Promise(resolve => setTimeout(resolve, n))
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export const isObject = obj => { return Object.prototype.toString.call(obj) === '[object Object]' }
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export const convertToDuration = (milliseconds) => {
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const stringifyTime = (time) => String(time).padStart(2, '0')
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const seconds = Math.floor(milliseconds / 1000)
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const minutes = Math.floor(seconds / 60)
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const hours = Math.floor(minutes / 60)
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return `${stringifyTime(hours)}:${stringifyTime(
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minutes % 60
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)}:${stringifyTime(seconds % 60)}`
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}
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export const convertToTimeWorked = (milliseconds) => {
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const seconds = Math.floor(milliseconds / 1000)
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const minutes = Math.floor(seconds / 60)
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const hours = Math.floor(minutes / 60)
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if (hours > 0) {
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return `${hours}h, ${minutes % 60}m`
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} else {
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return `${minutes % 60}m`
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}
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}
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// Returns a random int between min and max (inclusive)
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export function randomInt(min, max) {
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min = Math.ceil(min);
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max = Math.floor(max);
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return Math.floor(Math.random() * (max - min + 1)) + min;
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}
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// Returns a random item from the given array
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export function selectRandom(arrayToChooseFrom) {
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return arrayToChooseFrom[randomInt(0, arrayToChooseFrom.length - 1)]
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}
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