83 lines
2.8 KiB
JavaScript
83 lines
2.8 KiB
JavaScript
import {parse as parseNb} from './number';
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import {Date as SugarDate} from 'sugar-date';
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/** Sorting utilities */
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/**
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* Case insensitive compare function for passed strings
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* @param {String} First string
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* @param {String} Second string
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* @return {Number} -1 if first string lower than second one
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* 0 if first string same order as second one
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* 1 if first string greater than second one
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*/
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export const ignoreCase = (a, b) => {
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let x = a.toLowerCase();
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let y = b.toLowerCase();
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return x < y ? -1 : (x > y ? 1 : 0);
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};
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/**
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* Compare function for sorting passed numbers in ascending manner
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* @param {Number} First number
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* @param {Number} Second number
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* @return {Number} Negative, zero or positive number
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*/
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export const numSortAsc = (a, b) => (a - b);
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/**
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* Compare function for sorting passed numbers in descending manner
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* @param {Number} First number
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* @param {Number} Second number
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* @return {Number} Negative, zero or positive number
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*/
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export const numSortDesc = (a, b) => (b - a);
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/**
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* Compare function for sorting passed dates in ascending manner according to
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* the corresponding UTC numeric value (returned by getTime)
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* @param {Date} First date object
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* @param {Date} Second date object
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* @return {Number} Negative, zero or positive number
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*/
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export const dateSortAsc = (date1, date2) => date1.getTime() - date2.getTime();
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/**
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* Compare function for sorting passed dates in descending manner according to
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* the corresponding UTC numeric value (returned by getTime)
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* @param {Date} First date object
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* @param {Date} Second date object
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* @return {Number} Negative, zero or positive number
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*/
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export const dateSortDesc = (date1, date2) => date2.getTime() - date1.getTime();
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/**
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* Curried compare function for sorting passed formatted numbers in desired
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* fashion according to supplied compare function and decimal separator
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* @param {Function} Compare function
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* @param {String} [decimal=','] Decimal separator
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* @return {Function} Compare function receiving parsed numeric arguments
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*/
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export const sortNumberStr = (compareFn, decimal = ',') => {
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return (numStr1, numStr2) => {
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let num1 = parseNb(numStr1, decimal);
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let num2 = parseNb(numStr2, decimal);
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return compareFn(num1, num2);
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};
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};
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/**
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* Curried compare function for sorting passed formatted dates in desired
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* fashion according to supplied compare function and locale
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* @param {Function} Compare function
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* @param {String} [locale='en-us'] Locale code
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* @return {Function} Compare function receiving parsed date arguments
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*/
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export const sortDateStr = (compareFn, locale = 'en-us') => {
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return (dateStr1, dateStr2) => {
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let date1 = SugarDate.create(dateStr1, locale);
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let date2 = SugarDate.create(dateStr2, locale);
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return compareFn(date1, date2);
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};
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};
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