Add weightedSample snippet

dist/_30s.es5.js

@@ -2615,6 +2615,14 @@
     }, 0);
     return Math.sqrt(sum);
   };
+  var weightedSample = function weightedSample(arr, weights) {
+    var roll = Math.random();
+    return arr[weights.reduce(function (acc, w, i) {
+      return i === 0 ? [w] : [].concat(_toConsumableArray(acc), [acc[acc.length - 1] + w]);
+    }, []).findIndex(function (v, i, s) {
+      return roll >= (i === 0 ? 0 : s[i - 1]) && roll < v;
+    })];
+  };
   var when = function when(pred, whenTrue) {
     return function (x) {
       return pred(x) ? whenTrue(x) : x;
@@ -3270,6 +3278,7 @@
   exports.UUIDGeneratorNode = UUIDGeneratorNode;
   exports.validateNumber = validateNumber;
   exports.vectorDistance = vectorDistance;
+  exports.weightedSample = weightedSample;
   exports.when = when;
   exports.without = without;
   exports.words = words;

dist/_30s.esm.js

@@ -1370,6 +1370,19 @@ const vectorDistance = (...coords) => {
     .reduce((acc, val, i) => acc + Math.pow(val - coords[pointLength + i], 2), 0);
   return Math.sqrt(sum);
 };
+const weightedSample = (arr, weights) => {
+  let roll = Math.random();
+  return arr[
+    weights
+      .reduce((acc, w, i) =>
+        i === 0 ? [w] : [...acc, acc[acc.length - 1] + w],
+        []
+      )
+      .findIndex((v, i, s) =>
+        roll >= (i === 0 ? 0 : s[i - 1]) && roll < v
+      )
+  ];
+};
 const when = (pred, whenTrue) => x => (pred(x) ? whenTrue(x) : x);
 const without = (arr, ...args) => arr.filter(v => !args.includes(v));
 const words = (str, pattern = /[^a-zA-Z-]+/) => str.split(pattern).filter(Boolean);
@@ -1560,4 +1573,4 @@ 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, 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, 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, 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, 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 };

dist/_30s.js

@@ -1376,6 +1376,19 @@
       .reduce((acc, val, i) => acc + Math.pow(val - coords[pointLength + i], 2), 0);
     return Math.sqrt(sum);
   };
+  const weightedSample = (arr, weights) => {
+    let roll = Math.random();
+    return arr[
+      weights
+        .reduce((acc, w, i) =>
+          i === 0 ? [w] : [...acc, acc[acc.length - 1] + w],
+          []
+        )
+        .findIndex((v, i, s) =>
+          roll >= (i === 0 ? 0 : s[i - 1]) && roll < v
+        )
+    ];
+  };
   const when = (pred, whenTrue) => x => (pred(x) ? whenTrue(x) : x);
   const without = (arr, ...args) => arr.filter(v => !args.includes(v));
   const words = (str, pattern = /[^a-zA-Z-]+/) => str.split(pattern).filter(Boolean);
@@ -1912,6 +1925,7 @@
   exports.UUIDGeneratorNode = UUIDGeneratorNode;
   exports.validateNumber = validateNumber;
   exports.vectorDistance = vectorDistance;
+  exports.weightedSample = weightedSample;
   exports.when = when;
   exports.without = without;
   exports.words = words;