diff --git a/dist/_30s.es5.js b/dist/_30s.es5.js index b7eef87d7..ca838bef8 100644 --- a/dist/_30s.es5.js +++ b/dist/_30s.es5.js @@ -870,6 +870,12 @@ return fn(obj[key], key, obj); }); }; + var frequencies = function frequencies(arr) { + return arr.reduce(function (a, v) { + a[v] = a[v] ? a[v] + 1 : 1; + return a; + }, {}); + }; var fromCamelCase = function fromCamelCase(str) { var separator = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '_'; return str.replace(/([a-z\d])([A-Z])/g, '$1' + separator + '$2').replace(/([A-Z]+)([A-Z][a-z\d]+)/g, '$1' + separator + '$2').toLowerCase(); @@ -1516,6 +1522,14 @@ return a - b; }).slice(0, n); }; + var mostFrequent = function mostFrequent(arr) { + return Object.entries(arr.reduce(function (a, v) { + a[v] = a[v] ? a[v] + 1 : 1; + return a; + }, {})).reduce(function (a, v) { + return v[1] >= a[1] ? v : a; + }, [null, 0])[0]; + }; var mostPerformant = function mostPerformant(fns) { var iterations = arguments.length > 1 && 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':'')+r[l]},e.primes=function(e){var t=Array.from({length:e-1}).map(function(e,t){return t+2}),n=b(u(e)),i=Array.from({length:n-1}).map(function(e,t){return t+2});return i.forEach(function(e){return t=t.filter(function(t){return 0!=t%e||t===e})}),t},e.promisify=function(e){return function(){for(var t=arguments.length,n=Array(t),i=0;ie[e.length-1],i=e.findIndex(function(e){return n?t>=e:t<=e});return-1===i?e.length:i},e.sortedIndexBy=function(e,t,n){var i=n(e[0])>n(e[e.length-1]),r=n(t),l=e.findIndex(function(e){return i?r>=n(e):r<=n(e)});return-1===l?e.length:l},e.sortedLastIndex=function(e,t){var n=e[0]>e[e.length-1],i=e.reverse().findIndex(function(e){return n?t<=e:t>=e});return-1===i?0:e.length-i},e.sortedLastIndexBy=function(e,t,n){var i=n(e[0])>n(e[e.length-1]),r=n(t),l=e.map(n).reverse().findIndex(function(e){return i?r<=e:r>=e});return-1===l?0:e.length-l},e.splitLines=function(e){return e.split(/\r?\n/)},e.spreadOver=function(e){return function(t){return e.apply(void 0,c(t))}},e.stableSort=function(e,t){return e.map(function(e,t){return{item:e,index:t}}).sort(function(e,n){return t(e.item,n.item)||e.index-n.index}).map(function(e){var t=e.item;return t})},e.standardDeviation=function(e){var t=!!(1=t.length?2===t.length?[t,t[1]+t[0]]:[t]:t.split('').reduce(function(n,r,l){return n.concat(e(t.slice(0,l)+t.slice(l+1)).map(function(e){return r+e}))},[])},e.stripHTMLTags=function(e){return e.replace(/<[^>]*>/g,'')},e.sum=function(){for(var e=arguments.length,t=Array(e),n=0;n=t&&(e.apply(l,a),r=Date.now())},v(t-(Date.now()-r),0))):(e.apply(l,a),r=Date.now(),n=!0)}},e.times=function(e,t){for(var n=2t?e.slice(0,3r.length)throw new RangeError('Arguments too few!');return n(e)(r.slice(0,t))}},e.unescapeHTML=function(e){return e.replace(/&|<|>|'|"/g,function(e){return{"&":'&',"<":'<',">":'>',"'":'\'',""":'"'}[e]||e})},e.unflattenObject=function(e){return Object.keys(e).reduce(function(t,n){if(-1!==n.indexOf('.')){var r=n.split('.');Object.assign(t,JSON.parse('{'+r.map(function(e,t){return t===r.length-1?'"'.concat(e,'":'):'"'.concat(e,'":{')}).join('')+e[n]+'}'.repeat(r.length)))}else t[n]=e[n];return t},{})},e.unfold=function(e,t){for(var n=[],i=[null,t];i=e(i[1]);)n.push(i[0]);return n},e.union=function(e,t){return Array.from(new Set([].concat(c(e),c(t))))},e.unionBy=function(e,t,n){var i=new Set(e.map(n));return Array.from(new Set([].concat(c(e),c(t.filter(function(e){return!i.has(n(e))})))))},e.unionWith=function(e,t,n){return Array.from(new Set([].concat(c(e),c(t.filter(function(t){return-1===e.findIndex(function(e){return n(t,e)})})))))},e.uniqueElements=function(e){return c(new Set(e))},e.uniqueElementsBy=function(e,t){return e.reduce(function(e,n){return e.some(function(e){return t(n,e)})||e.push(n),e},[])},e.uniqueElementsByRight=function(e,t){return e.reduceRight(function(e,n){return e.some(function(e){return t(n,e)})||e.push(n),e},[])},e.uniqueSymmetricDifference=function(e,t){return c(new Set([].concat(c(e.filter(function(e){return!t.includes(e)})),c(t.filter(function(t){return!e.includes(t)})))))},e.untildify=function(e){return e.replace(/^~($|\/|\\)/,''.concat(require('os').homedir(),'$1'))},e.unzip=function(e){return e.reduce(function(e,t){return t.forEach(function(t,n){return e[n].push(t)}),e},Array.from({length:v.apply(Math,c(e.map(function(e){return e.length})))}).map(function(){return[]}))},e.unzipWith=function(e,t){return e.reduce(function(e,t){return t.forEach(function(t,n){return e[n].push(t)}),e},Array.from({length:v.apply(Math,c(e.map(function(e){return e.length})))}).map(function(){return[]})).map(function(e){return t.apply(void 0,c(e))})},e.URLJoin=function(){for(var e=arguments.length,t=Array(e),n=0;n>e/4).toString(16)})},e.UUIDGeneratorNode=function(){return'10000000-1000-4000-8000-100000000000'.replace(/[018]/g,function(e){return(e^C.randomBytes(1)[0]&15>>e/4).toString(16)})},e.validateNumber=function(e){return!isNaN(parseFloat(e))&&isFinite(e)&&+e==e},e.vectorDistance=function(){for(var e=arguments.length,t=Array(e),n=0;n=(0===t?0:i[t-1])&&nr)return-1;var l=b((i+r)/2);return t[l]>n?e(t,n,i,l-1):t[l]e;e=i?-e:e;var r=Array.from({length:e-1}).map(function(t,n){return 0==e%(n+2)&&n+2}).filter(function(e){return e});return i&&(r=r.reduce(function(e,t){return e.push(t),e.push(-t),e},[])),t?r.filter(n):r},e.fahrenheitToCelsius=function(e){return 5*(e-32)/9},e.fibonacciCountUntilNum=function(e){return S(y(2.23606797749979*e+1/2)/0.48121182505960347)},e.fibonacciUntilNum=function(e){var t=S(y(2.23606797749979*e+1/2)/0.48121182505960347);return Array.from({length:t}).reduce(function(e,t,n){return e.concat(1l:e<=l}),i)),[l],c(e(n.filter(function(e){return i?e<=l:e>l}),i)))},e.removeVowels=function(e){var t=1 Object.keys(obj) .reverse() .forEach(key => fn(obj[key], key, obj)); +const frequencies = arr => + arr.reduce((a, v) => { + a[v] = a[v] ? a[v] + 1 : 1; + return a; + }, {}); const fromCamelCase = (str, separator = '_') => str .replace(/([a-z\d])([A-Z])/g, '$1' + separator + '$2') @@ -655,8 +660,8 @@ const join = (arr, separator = ',', end = separator) => i === arr.length - 2 ? acc + val + end : i === arr.length - 1 - ? acc + val - : acc + val + separator, + ? acc + val + : acc + val + separator, '' ); const JSONtoCSV = (arr, columns, delimiter = ',') => @@ -752,6 +757,13 @@ const midpoint = ([x1, y1], [x2, y2]) => [(x1 + x2) / 2, (y1 + y2) / 2]; const minBy = (arr, fn) => Math.min(...arr.map(typeof fn === 'function' ? fn : val => val[fn])); const minDate = dates => new Date(Math.min(...dates)); const minN = (arr, n = 1) => [...arr].sort((a, b) => a - b).slice(0, n); +const mostFrequent = arr => + Object.entries( + arr.reduce((a, v) => { + a[v] = a[v] ? a[v] + 1 : 1; + return a; + }, {}) + ).reduce((a, v) => (v[1] >= a[1] ? v : a), [null, 0])[0]; const mostPerformant = (fns, iterations = 10000) => { const times = fns.map(fn => { const before = performance.now(); @@ -774,10 +786,10 @@ const objectToPairs = obj => Object.keys(obj).map(k => [k, obj[k]]); const objectToQueryString = queryParameters => { return queryParameters ? Object.entries(queryParameters).reduce((queryString, [key, val], index) => { - const symbol = queryString.length === 0 ? '?' : '&'; - queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : ''; - return queryString; - }, '') + const symbol = queryString.length === 0 ? '?' : '&'; + queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : ''; + return queryString; + }, '') : ''; }; const observeMutations = (element, callback, options) => { @@ -1008,9 +1020,9 @@ const reject = (pred, array) => array.filter((...args) => !pred(...args)); const remove = (arr, func) => Array.isArray(arr) ? arr.filter(func).reduce((acc, val) => { - arr.splice(arr.indexOf(val), 1); - return acc.concat(val); - }, []) + arr.splice(arr.indexOf(val), 1); + return acc.concat(val); + }, []) : []; const removeNonASCII = str => str.replace(/[^\x20-\x7E]/g, ''); const renameKeys = (keysMap, obj) => @@ -1088,10 +1100,10 @@ const size = val => Array.isArray(val) ? val.length : val && typeof val === 'object' - ? val.size || val.length || Object.keys(val).length - : typeof val === 'string' - ? new Blob([val]).size - : 0; + ? val.size || val.length || Object.keys(val).length + : typeof val === 'string' + ? new Blob([val]).size + : 0; const sleep = ms => new Promise(resolve => setTimeout(resolve, ms)); const smoothScroll = element => document.querySelector(element).scrollIntoView({ @@ -1569,4 +1581,4 @@ const speechSynthesis = message => { }; const squareSum = (...args) => args.reduce((squareSum, number) => squareSum + Math.pow(number, 2), 0); -export { all, allEqual, any, approximatelyEqual, arrayToCSV, arrayToHtmlList, ary, atob, attempt, average, averageBy, bifurcate, bifurcateBy, bind, bindAll, bindKey, binomialCoefficient, bottomVisible, btoa, byteSize, call, capitalize, capitalizeEveryWord, castArray, chainAsync, checkProp, chunk, clampNumber, cloneRegExp, coalesce, coalesceFactory, collectInto, colorize, compact, compactWhitespace, compose, composeRight, converge, copyToClipboard, countBy, counter, countOccurrences, createDirIfNotExists, createElement, createEventHub, CSVToArray, CSVToJSON, currentURL, curry, dayOfYear, debounce, decapitalize, deepClone, deepFlatten, deepFreeze, deepGet, deepMapKeys, defaults, defer, degreesToRads, delay, detectDeviceType, difference, differenceBy, differenceWith, dig, digitize, distance, drop, dropRight, dropRightWhile, dropWhile, elementContains, elementIsVisibleInViewport, elo, equals, escapeHTML, escapeRegExp, everyNth, extendHex, factorial, fibonacci, filterFalsy, filterNonUnique, filterNonUniqueBy, findKey, findLast, findLastIndex, findLastKey, flatten, flattenObject, flip, forEachRight, formatDuration, formToObject, forOwn, forOwnRight, fromCamelCase, functionName, functions, gcd, geometricProgression, get, getColonTimeFromDate, getDaysDiffBetweenDates, getImages, getMeridiemSuffixOfInteger, getScrollPosition, getStyle, getType, getURLParameters, groupBy, hammingDistance, hasClass, hasFlags, hashBrowser, hashNode, hasKey, head, hexToRGB, hide, httpGet, httpPost, httpsRedirect, hz, includesAll, includesAny, indentString, indexOfAll, initial, initialize2DArray, initializeArrayWithRange, initializeArrayWithRangeRight, initializeArrayWithValues, initializeNDArray, inRange, insertAfter, insertBefore, intersection, intersectionBy, intersectionWith, invertKeyValues, is, isAbsoluteURL, isAfterDate, isAnagram, isArrayLike, isBeforeDate, isBoolean, isBrowser, isBrowserTabFocused, isDivisible, isDuplexStream, isEmpty, isEven, isFunction, isLowerCase, isNegativeZero, isNil, isNull, isNumber, isObject, isObjectLike, isOdd, isPlainObject, isPowerOfTwo, isPrime, isPrimitive, isPromiseLike, isReadableStream, isSameDate, isSorted, isStream, isString, isSymbol, isTravisCI, isUndefined, isUpperCase, isValidJSON, isWeekday, isWeekend, isWritableStream, join, JSONtoCSV, JSONToFile, last, lcm, longestItem, lowercaseKeys, luhnCheck, mapKeys, mapNumRange, mapObject, mapString, mapValues, mask, matches, matchesWith, maxBy, maxDate, maxN, median, memoize, merge, midpoint, minBy, minDate, minN, mostPerformant, negate, nest, nodeListToArray, none, nthArg, nthElement, objectFromPairs, objectToPairs, objectToQueryString, observeMutations, off, offset, omit, omitBy, on, once, onUserInputChange, orderBy, over, overArgs, pad, palindrome, parseCookie, partial, partialRight, partition, percentile, permutations, pick, pickBy, pipeAsyncFunctions, pipeFunctions, pluralize, powerset, prefix, prettyBytes, primes, promisify, pull, pullAtIndex, pullAtValue, pullBy, radsToDegrees, randomHexColorCode, randomIntArrayInRange, randomIntegerInRange, randomNumberInRange, readFileLines, rearg, recordAnimationFrames, redirect, reducedFilter, reduceSuccessive, reduceWhich, reject, remove, removeNonASCII, renameKeys, reverseString, RGBToHex, round, runAsync, runPromisesInSeries, sample, sampleSize, scrollToTop, sdbm, serializeCookie, serializeForm, setStyle, shallowClone, shank, show, shuffle, similarity, size, sleep, smoothScroll, sortCharactersInString, sortedIndex, sortedIndexBy, sortedLastIndex, sortedLastIndexBy, splitLines, spreadOver, stableSort, standardDeviation, stringPermutations, stripHTMLTags, sum, sumBy, sumPower, symmetricDifference, symmetricDifferenceBy, symmetricDifferenceWith, tail, take, takeRight, takeRightWhile, takeWhile, throttle, times, timeTaken, toCamelCase, toCurrency, toDecimalMark, toggleClass, toHash, toKebabCase, tomorrow, toOrdinalSuffix, toSafeInteger, toSnakeCase, toTitleCase, transform, triggerEvent, truncateString, truthCheckCollection, unary, uncurry, unescapeHTML, unflattenObject, unfold, union, unionBy, unionWith, uniqueElements, uniqueElementsBy, uniqueElementsByRight, uniqueSymmetricDifference, untildify, unzip, unzipWith, URLJoin, UUIDGeneratorBrowser, UUIDGeneratorNode, validateNumber, vectorDistance, weightedSample, when, without, words, xProd, yesNo, yesterday, zip, zipObject, zipWith, binarySearch, celsiusToFahrenheit, cleanObj, collatz, countVowels, factors, fahrenheitToCelsius, fibonacciCountUntilNum, fibonacciUntilNum, heronArea, howManyTimes, httpDelete, httpPut, isArmstrongNumber, isSimilar, JSONToDate, kmphToMph, levenshteinDistance, mphToKmph, pipeLog, quickSort, removeVowels, solveRPN, speechSynthesis, squareSum }; +export { all, allEqual, any, approximatelyEqual, arrayToCSV, arrayToHtmlList, ary, atob, attempt, average, averageBy, bifurcate, bifurcateBy, bind, bindAll, bindKey, binomialCoefficient, bottomVisible, btoa, byteSize, call, capitalize, capitalizeEveryWord, castArray, chainAsync, checkProp, chunk, clampNumber, cloneRegExp, coalesce, coalesceFactory, collectInto, colorize, compact, compactWhitespace, compose, composeRight, converge, copyToClipboard, countBy, counter, countOccurrences, createDirIfNotExists, createElement, createEventHub, CSVToArray, CSVToJSON, currentURL, curry, dayOfYear, debounce, decapitalize, deepClone, deepFlatten, deepFreeze, deepGet, deepMapKeys, defaults, defer, degreesToRads, delay, detectDeviceType, difference, differenceBy, differenceWith, dig, digitize, distance, drop, dropRight, dropRightWhile, dropWhile, elementContains, elementIsVisibleInViewport, elo, equals, escapeHTML, escapeRegExp, everyNth, extendHex, factorial, fibonacci, filterFalsy, filterNonUnique, filterNonUniqueBy, findKey, findLast, findLastIndex, findLastKey, flatten, flattenObject, flip, forEachRight, formatDuration, formToObject, forOwn, forOwnRight, frequencies, fromCamelCase, functionName, functions, gcd, geometricProgression, get, getColonTimeFromDate, getDaysDiffBetweenDates, getImages, getMeridiemSuffixOfInteger, getScrollPosition, getStyle, getType, getURLParameters, groupBy, hammingDistance, hasClass, hasFlags, hashBrowser, hashNode, hasKey, head, hexToRGB, hide, httpGet, httpPost, httpsRedirect, hz, includesAll, includesAny, indentString, indexOfAll, initial, initialize2DArray, initializeArrayWithRange, initializeArrayWithRangeRight, initializeArrayWithValues, initializeNDArray, inRange, insertAfter, insertBefore, intersection, intersectionBy, intersectionWith, invertKeyValues, is, isAbsoluteURL, isAfterDate, isAnagram, isArrayLike, isBeforeDate, isBoolean, isBrowser, isBrowserTabFocused, isDivisible, isDuplexStream, isEmpty, isEven, isFunction, isLowerCase, isNegativeZero, isNil, isNull, isNumber, isObject, isObjectLike, isOdd, isPlainObject, isPowerOfTwo, isPrime, isPrimitive, isPromiseLike, isReadableStream, isSameDate, isSorted, isStream, isString, isSymbol, isTravisCI, isUndefined, isUpperCase, isValidJSON, isWeekday, isWeekend, isWritableStream, join, JSONtoCSV, JSONToFile, last, lcm, longestItem, lowercaseKeys, luhnCheck, mapKeys, mapNumRange, mapObject, mapString, mapValues, mask, matches, matchesWith, maxBy, maxDate, maxN, median, memoize, merge, midpoint, minBy, minDate, minN, mostFrequent, mostPerformant, negate, nest, nodeListToArray, none, nthArg, nthElement, objectFromPairs, objectToPairs, objectToQueryString, observeMutations, off, offset, omit, omitBy, on, once, onUserInputChange, orderBy, over, overArgs, pad, palindrome, parseCookie, partial, partialRight, partition, percentile, permutations, pick, pickBy, pipeAsyncFunctions, pipeFunctions, pluralize, powerset, prefix, prettyBytes, primes, promisify, pull, pullAtIndex, pullAtValue, pullBy, radsToDegrees, randomHexColorCode, randomIntArrayInRange, randomIntegerInRange, randomNumberInRange, readFileLines, rearg, recordAnimationFrames, redirect, reducedFilter, reduceSuccessive, reduceWhich, reject, remove, removeNonASCII, renameKeys, reverseString, RGBToHex, round, runAsync, runPromisesInSeries, sample, sampleSize, scrollToTop, sdbm, serializeCookie, serializeForm, setStyle, shallowClone, shank, show, shuffle, similarity, size, sleep, smoothScroll, sortCharactersInString, sortedIndex, sortedIndexBy, sortedLastIndex, sortedLastIndexBy, splitLines, spreadOver, stableSort, standardDeviation, stringPermutations, stripHTMLTags, sum, sumBy, sumPower, symmetricDifference, symmetricDifferenceBy, symmetricDifferenceWith, tail, take, takeRight, takeRightWhile, takeWhile, throttle, times, timeTaken, toCamelCase, toCurrency, toDecimalMark, toggleClass, toHash, toKebabCase, tomorrow, toOrdinalSuffix, toSafeInteger, toSnakeCase, toTitleCase, transform, triggerEvent, truncateString, truthCheckCollection, unary, uncurry, unescapeHTML, unflattenObject, unfold, union, unionBy, unionWith, uniqueElements, uniqueElementsBy, uniqueElementsByRight, uniqueSymmetricDifference, untildify, unzip, unzipWith, URLJoin, UUIDGeneratorBrowser, UUIDGeneratorNode, validateNumber, vectorDistance, weightedSample, when, without, words, xProd, yesNo, yesterday, zip, zipObject, zipWith, binarySearch, celsiusToFahrenheit, cleanObj, collatz, countVowels, factors, fahrenheitToCelsius, fibonacciCountUntilNum, fibonacciUntilNum, heronArea, howManyTimes, httpDelete, httpPut, isArmstrongNumber, isSimilar, JSONToDate, kmphToMph, levenshteinDistance, mphToKmph, pipeLog, quickSort, removeVowels, solveRPN, speechSynthesis, squareSum }; diff --git a/dist/_30s.js b/dist/_30s.js index 31476973b..f54ef201b 100644 --- a/dist/_30s.js +++ b/dist/_30s.js @@ -386,6 +386,11 @@ Object.keys(obj) .reverse() .forEach(key => fn(obj[key], key, obj)); + const frequencies = arr => + arr.reduce((a, v) => { + a[v] = a[v] ? a[v] + 1 : 1; + return a; + }, {}); const fromCamelCase = (str, separator = '_') => str .replace(/([a-z\d])([A-Z])/g, '$1' + separator + '$2') @@ -661,8 +666,8 @@ i === arr.length - 2 ? acc + val + end : i === arr.length - 1 - ? acc + val - : acc + val + separator, + ? acc + val + : acc + val + separator, '' ); const JSONtoCSV = (arr, columns, delimiter = ',') => @@ -758,6 +763,13 @@ const minBy = (arr, fn) => Math.min(...arr.map(typeof fn === 'function' ? fn : val => val[fn])); const minDate = dates => new Date(Math.min(...dates)); const minN = (arr, n = 1) => [...arr].sort((a, b) => a - b).slice(0, n); + const mostFrequent = arr => + Object.entries( + arr.reduce((a, v) => { + a[v] = a[v] ? a[v] + 1 : 1; + return a; + }, {}) + ).reduce((a, v) => (v[1] >= a[1] ? v : a), [null, 0])[0]; const mostPerformant = (fns, iterations = 10000) => { const times = fns.map(fn => { const before = performance.now(); @@ -780,10 +792,10 @@ const objectToQueryString = queryParameters => { return queryParameters ? Object.entries(queryParameters).reduce((queryString, [key, val], index) => { - const symbol = queryString.length === 0 ? '?' : '&'; - queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : ''; - return queryString; - }, '') + const symbol = queryString.length === 0 ? '?' : '&'; + queryString += typeof val === 'string' ? `${symbol}${key}=${val}` : ''; + return queryString; + }, '') : ''; }; const observeMutations = (element, callback, options) => { @@ -1014,9 +1026,9 @@ const remove = (arr, func) => Array.isArray(arr) ? arr.filter(func).reduce((acc, val) => { - arr.splice(arr.indexOf(val), 1); - return acc.concat(val); - }, []) + arr.splice(arr.indexOf(val), 1); + return acc.concat(val); + }, []) : []; const removeNonASCII = str => str.replace(/[^\x20-\x7E]/g, ''); const renameKeys = (keysMap, obj) => @@ -1094,10 +1106,10 @@ Array.isArray(val) ? val.length : val && typeof val === 'object' - ? val.size || val.length || Object.keys(val).length - : typeof val === 'string' - ? new Blob([val]).size - : 0; + ? val.size || val.length || Object.keys(val).length + : typeof val === 'string' + ? new Blob([val]).size + : 0; const sleep = ms => new Promise(resolve => setTimeout(resolve, ms)); const smoothScroll = element => document.querySelector(element).scrollIntoView({ @@ -1672,6 +1684,7 @@ exports.formToObject = formToObject; exports.forOwn = forOwn; exports.forOwnRight = forOwnRight; + exports.frequencies = frequencies; exports.fromCamelCase = fromCamelCase; exports.functionName = functionName; exports.functions = functions; @@ -1783,6 +1796,7 @@ exports.minBy = minBy; exports.minDate = minDate; exports.minN = minN; + exports.mostFrequent = mostFrequent; exports.mostPerformant = mostPerformant; exports.negate = negate; exports.nest = nest;