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58 lines
2.4 KiB
TypeScript
58 lines
2.4 KiB
TypeScript
import { promisify } from 'util'
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import { Decimal } from 'decimal.js-light'
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import i18n from 'i18n'
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export const objectValuesToArray = (obj: Record<string, string>): string[] =>
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Object.keys(obj).map((key) => obj[key])
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export const decimalSeparatorByLanguage = (a: Decimal, language: string): string => {
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const rememberLocaleToRestore = i18n.getLocale()
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i18n.setLocale(language)
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const result = a.toFixed(2).replace('.', i18n.__('general.decimalSeparator'))
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i18n.setLocale(rememberLocaleToRestore)
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return result
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}
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export const fullName = (firstName: string, lastName: string): string =>
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[firstName, lastName].filter(Boolean).join(' ')
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// Function to reset an interface by chatGPT
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export function resetInterface<T extends Record<string, any>>(obj: T): T {
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// Iterate over all properties of the object
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for (const key in obj) {
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if (Object.prototype.hasOwnProperty.call(obj, key)) {
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// Set all optional properties to undefined
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obj[key] = undefined as T[Extract<keyof T, string>]
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}
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}
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return obj
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}
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export const delay = promisify(setTimeout)
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export const ensureUrlEndsWithSlash = (url: string): string => {
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return url.endsWith('/') ? url : url.concat('/')
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}
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/**
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* Calculates the date representing the first day of the month, a specified number of months prior to a given date.
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*
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* This function was created to address an issue with using `Date.prototype.setMonth`.
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* When calculating previous months, `setMonth` can produce incorrect results at the end of months.
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* For example, subtracting 3 months from May 31st using `setMonth` would result in March instead of February.
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* This function ensures the correct month is calculated by setting the day to the 1st before performing the month subtraction.
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*
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* @param {Date} startDate - The starting date from which to calculate the previous months.
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* @param {number} monthsAgo - The number of months to go back from the startDate.
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* @returns {Date} A new Date object set to the first day of the month, `monthsAgo` months before the `startDate`.
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*
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* @example
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* // Calculate the date for the first day of the month, 3 months prior to March 15, 2024
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* const date = getFirstDayOfPreviousNMonth(new Date(2024, 4, 31), 3);
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* console.log(date); // Output: Fri Feb 01 2024 00:00:00 GMT+0000 (Coordinated Universal Time)
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*/
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export const getFirstDayOfPreviousNMonth = (startDate: Date, monthsAgo: number): Date =>
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new Date(startDate.getFullYear(), startDate.getMonth() - monthsAgo, 1)
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