Travis build: 1019

README.md

@@ -333,6 +333,7 @@ _30s.average(1, 2, 3);
 * [`sumBy`](#sumby)
 * [`sumPower`](#sumpower)
 * [`toSafeInteger`](#tosafeinteger)
+* [`vectorDistance`](#vectordistance)
 
 </details>
 
@@ -669,13 +670,14 @@ const pipeAsyncFunctions = (...fns) => arg => fns.reduce((p, f) => p.then(f), Pr
 <summary>Examples</summary>
 
 ```js
+
 const sum = pipeAsyncFunctions(
   x => x + 1,
   x => new Promise(resolve => setTimeout(() => resolve(x + 2), 1000)),
   x => x + 3,
   async x => (await x) + 4
 );
-(async () => {
+(async() => {
   console.log(await sum(5)); // 15 (after one second)
 })();
 ```
@@ -2317,12 +2319,13 @@ Use `Array.prototype.filter()` to find array elements that return truthy values
 The `func` is invoked with three arguments (`value, index, array`).
 
 ```js
+
 const remove = (arr, func) =>
   Array.isArray(arr)
     ? arr.filter(func).reduce((acc, val) => {
-        arr.splice(arr.indexOf(val), 1);
+      arr.splice(arr.indexOf(val), 1);
-        return acc.concat(val);
+      return acc.concat(val);
-      }, [])
+    }, [])
     : [];
 ```
 
@@ -5503,8 +5506,8 @@ Throws an exception if `n` is a negative number.
 const factorial = n =>
   n < 0
     ? (() => {
-        throw new TypeError('Negative numbers are not allowed!');
+      throw new TypeError('Negative numbers are not allowed!');
-      })()
+    })()
     : n <= 1
       ? 1
       : n * factorial(n - 1);
@@ -5822,7 +5825,6 @@ const mapNumRange = (num, inMin, inMax, outMin, outMax) =>
 <summary>Examples</summary>
 
 ```js
-
 mapNumRange(5, 0, 10, 0, 100); // 50
 ```
 
@@ -6257,6 +6259,33 @@ toSafeInteger(Infinity); // 9007199254740991
 
 <br>[⬆ Back to top](#contents)
 
+### vectorDistance
+
+Returns the distance between two vectors.
+
+Use `Array.prototype.reduce()`, `Math.pow()` and `Math.sqrt()` to calculate the Euclidean distance between two vectors.
+
+```js
+const vectorDistance = (...coords) => {
+  let pointLength = Math.trunc(coords.length / 2);
+  let sum = coords
+    .slice(0, pointLength)
+    .reduce((acc, val, i) => acc + Math.pow(val - coords[pointLength + i], 2), 0);
+  return Math.sqrt(sum);
+};
+```
+
+<details>
+<summary>Examples</summary>
+
+```js
+vectorDistance(10, 0, 5, 20, 0, 10); // 11.180339887498949
+```
+
+</details>
+
+<br>[⬆ Back to top](#contents)
+
 
 ---
 
@@ -6782,11 +6811,11 @@ const deepMapKeys = (obj, f) =>
     ? obj.map(val => deepMapKeys(val, f))
     : typeof obj === 'object'
       ? Object.keys(obj).reduce((acc, current) => {
-          const val = obj[current];
+        const val = obj[current];
-          acc[f(current)] =
+        acc[f(current)] =
             val !== null && typeof val === 'object' ? deepMapKeys(val, f) : (acc[f(current)] = val);
-          return acc;
+        return acc;
-        }, {})
+      }, {})
       : obj;
 ```
 
@@ -6860,9 +6889,9 @@ const dig = (obj, target) =>
   target in obj
     ? obj[target]
     : Object.values(obj).reduce((acc, val) => {
-        if (acc !== undefined) return acc;
+      if (acc !== undefined) return acc;
-        if (typeof val === 'object') return dig(val, target);
+      if (typeof val === 'object') return dig(val, target);
-      }, undefined);
+    }, undefined);
 ```
 
 <details>

docs/about.html

@@ -358,6 +358,7 @@
 <li><a tags="math,array,function,intermediate" href="./math#sumby">sumBy</a></li>
 <li><a tags="math,intermediate" href="./math#sumpower">sumPower</a></li>
 <li><a tags="math,beginner" href="./math#tosafeinteger">toSafeInteger</a></li>
+<li><a tags="math,beginner" href="./math#vectordistance">vectorDistance</a></li>
 </ul>
 <h4 class="collapse">Node
 </h4><ul><li><a tags="node,string,utility,beginner" href="./node#atob">atob</a></li>

docs/contributing.html

@@ -358,6 +358,7 @@
 <li><a tags="math,array,function,intermediate" href="./math#sumby">sumBy</a></li>
 <li><a tags="math,intermediate" href="./math#sumpower">sumPower</a></li>
 <li><a tags="math,beginner" href="./math#tosafeinteger">toSafeInteger</a></li>
+<li><a tags="math,beginner" href="./math#vectordistance">vectorDistance</a></li>
 </ul>
 <h4 class="collapse">Node
 </h4><ul><li><a tags="node,string,utility,beginner" href="./node#atob">atob</a></li>

snippets/deepMapKeys.md

@@ -13,11 +13,11 @@ const deepMapKeys = (obj, f) =>
     ? obj.map(val => deepMapKeys(val, f))
     : typeof obj === 'object'
       ? Object.keys(obj).reduce((acc, current) => {
-          const val = obj[current];
+        const val = obj[current];
-          acc[f(current)] =
+        acc[f(current)] =
             val !== null && typeof val === 'object' ? deepMapKeys(val, f) : (acc[f(current)] = val);
-          return acc;
+        return acc;
-        }, {})
+      }, {})
       : obj;
 ```
 

snippets/dig.md

@@ -10,9 +10,9 @@ const dig = (obj, target) =>
   target in obj
     ? obj[target]
     : Object.values(obj).reduce((acc, val) => {
-        if (acc !== undefined) return acc;
+      if (acc !== undefined) return acc;
-        if (typeof val === 'object') return dig(val, target);
+      if (typeof val === 'object') return dig(val, target);
-      }, undefined);
+    }, undefined);
 ```
 
 ```js

snippets/factorial.md

@@ -11,8 +11,8 @@ Throws an exception if `n` is a negative number.
 const factorial = n =>
   n < 0
     ? (() => {
-        throw new TypeError('Negative numbers are not allowed!');
+      throw new TypeError('Negative numbers are not allowed!');
-      })()
+    })()
     : n <= 1
       ? 1
       : n * factorial(n - 1);

snippets/mapNumRange.md

@@ -10,6 +10,5 @@ const mapNumRange = (num, inMin, inMax, outMin, outMax) =>
 ```
 
 ```js
-
 mapNumRange(5, 0, 10, 0, 100); // 50
 ```

snippets/pipeAsyncFunctions.md

@@ -11,13 +11,14 @@ const pipeAsyncFunctions = (...fns) => arg => fns.reduce((p, f) => p.then(f), Pr
 ```
 
 ```js
+
 const sum = pipeAsyncFunctions(
   x => x + 1,
   x => new Promise(resolve => setTimeout(() => resolve(x + 2), 1000)),
   x => x + 3,
   async x => (await x) + 4
 );
-(async () => {
+(async() => {
   console.log(await sum(5)); // 15 (after one second)
 })();
 ```

snippets/remove.md

@@ -6,12 +6,13 @@ Use `Array.prototype.filter()` to find array elements that return truthy values
 The `func` is invoked with three arguments (`value, index, array`).
 
 ```js
+
 const remove = (arr, func) =>
   Array.isArray(arr)
     ? arr.filter(func).reduce((acc, val) => {
-        arr.splice(arr.indexOf(val), 1);
+      arr.splice(arr.indexOf(val), 1);
-        return acc.concat(val);
+      return acc.concat(val);
-      }, [])
+    }, [])
     : [];
 ```
 

snippets/vectorDistance.md

@@ -7,7 +7,9 @@ Use `Array.prototype.reduce()`, `Math.pow()` and `Math.sqrt()` to calculate the
 ```js
 const vectorDistance = (...coords) => {
   let pointLength = Math.trunc(coords.length / 2);
-  let sum = coords.slice(0, pointLength).reduce((acc, val, i) => acc + (Math.pow(val - coords[pointLength + i], 2)), 0);
+  let sum = coords
+    .slice(0, pointLength)
+    .reduce((acc, val, i) => acc + Math.pow(val - coords[pointLength + i], 2), 0);
   return Math.sqrt(sum);
 };
 ```

test/_30s.js

@@ -240,11 +240,11 @@ const deepMapKeys = (obj, f) =>
     ? obj.map(val => deepMapKeys(val, f))
     : typeof obj === 'object'
       ? Object.keys(obj).reduce((acc, current) => {
-          const val = obj[current];
+        const val = obj[current];
-          acc[f(current)] =
+        acc[f(current)] =
             val !== null && typeof val === 'object' ? deepMapKeys(val, f) : (acc[f(current)] = val);
-          return acc;
+        return acc;
-        }, {})
+      }, {})
       : obj;
 const defaults = (obj, ...defs) => Object.assign({}, obj, ...defs.reverse(), obj);
 const defer = (fn, ...args) => setTimeout(fn, 1, ...args);
@@ -267,9 +267,9 @@ const dig = (obj, target) =>
   target in obj
     ? obj[target]
     : Object.values(obj).reduce((acc, val) => {
-        if (acc !== undefined) return acc;
+      if (acc !== undefined) return acc;
-        if (typeof val === 'object') return dig(val, target);
+      if (typeof val === 'object') return dig(val, target);
-      }, undefined);
+    }, undefined);
 const digitize = n => [...`${n}`].map(i => parseInt(i));
 const distance = (x0, y0, x1, y1) => Math.hypot(x1 - x0, y1 - y0);
 const drop = (arr, n = 1) => arr.slice(n);
@@ -341,8 +341,8 @@ const extendHex = shortHex =>
 const factorial = n =>
   n < 0
     ? (() => {
-        throw new TypeError('Negative numbers are not allowed!');
+      throw new TypeError('Negative numbers are not allowed!');
-      })()
+    })()
     : n <= 1
       ? 1
       : n * factorial(n - 1);
@@ -987,12 +987,13 @@ const reducedFilter = (data, keys, fn) =>
     }, {})
   );
 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);
+      arr.splice(arr.indexOf(val), 1);
-        return acc.concat(val);
+      return acc.concat(val);
-      }, [])
+    }, [])
     : [];
 const removeNonASCII = str => str.replace(/[^\x20-\x7E]/g, '');
 const renameKeys = (keysMap, obj) =>
@@ -1326,6 +1327,13 @@ const unzipWith = (arr, fn) =>
     )
     .map(val => fn(...val));
 const validateNumber = n => !isNaN(parseFloat(n)) && isFinite(n) && Number(n) == n;
+const vectorDistance = (...coords) => {
+  let pointLength = Math.trunc(coords.length / 2);
+  let sum = coords
+    .slice(0, pointLength)
+    .reduce((acc, val, i) => acc + Math.pow(val - coords[pointLength + i], 2), 0);
+  return Math.sqrt(sum);
+};
 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);
@@ -1513,4 +1521,4 @@ const speechSynthesis = message => {
 const squareSum = (...args) => args.reduce((squareSum, number) => squareSum + Math.pow(number, 2), 0);
 
 
-module.exports = {CSVToArray,CSVToJSON,JSONToFile,JSONtoCSV,RGBToHex,URLJoin,UUIDGeneratorBrowser,UUIDGeneratorNode,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,chunk,clampNumber,cloneRegExp,coalesce,coalesceFactory,collectInto,colorize,compact,compactWhitespace,compose,composeRight,converge,copyToClipboard,countBy,countOccurrences,counter,createDirIfNotExists,createElement,createEventHub,currentURL,curry,dayOfYear,debounce,decapitalize,deepClone,deepFlatten,deepFreeze,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,forOwn,forOwnRight,formatDuration,fromCamelCase,functionName,functions,gcd,geometricProgression,get,getColonTimeFromDate,getDaysDiffBetweenDates,getImages,getMeridiemSuffixOfInteger,getScrollPosition,getStyle,getType,getURLParameters,groupBy,hammingDistance,hasClass,hasFlags,hashBrowser,hashNode,head,hexToRGB,hide,httpGet,httpPost,httpsRedirect,hz,inRange,indentString,indexOfAll,initial,initialize2DArray,initializeArrayWithRange,initializeArrayWithRangeRight,initializeArrayWithValues,initializeNDArray,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,isPlainObject,isPrime,isPrimitive,isPromiseLike,isReadableStream,isSameDate,isSorted,isStream,isString,isSymbol,isTravisCI,isUndefined,isUpperCase,isValidJSON,isWritableStream,join,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,observeMutations,off,offset,omit,omitBy,on,onUserInputChange,once,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,reduceSuccessive,reduceWhich,reducedFilter,reject,remove,removeNonASCII,renameKeys,reverseString,round,runAsync,runPromisesInSeries,sample,sampleSize,scrollToTop,sdbm,serializeCookie,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,timeTaken,times,toCamelCase,toCurrency,toDecimalMark,toHash,toKebabCase,toOrdinalSuffix,toSafeInteger,toSnakeCase,toTitleCase,toggleClass,tomorrow,transform,triggerEvent,truncateString,truthCheckCollection,unary,uncurry,unescapeHTML,unflattenObject,unfold,union,unionBy,unionWith,uniqueElements,uniqueElementsBy,uniqueElementsByRight,uniqueSymmetricDifference,untildify,unzip,unzipWith,validateNumber,when,without,words,xProd,yesNo,zip,zipObject,zipWith,JSONToDate,binarySearch,celsiusToFahrenheit,cleanObj,collatz,countVowels,factors,fahrenheitToCelsius,fibonacciCountUntilNum,fibonacciUntilNum,heronArea,howManyTimes,httpDelete,httpPut,isArmstrongNumber,isSimilar,kmphToMph,levenshteinDistance,mphToKmph,pipeLog,quickSort,removeVowels,solveRPN,speechSynthesis,squareSum}
+module.exports = {CSVToArray,CSVToJSON,JSONToFile,JSONtoCSV,RGBToHex,URLJoin,UUIDGeneratorBrowser,UUIDGeneratorNode,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,chunk,clampNumber,cloneRegExp,coalesce,coalesceFactory,collectInto,colorize,compact,compactWhitespace,compose,composeRight,converge,copyToClipboard,countBy,countOccurrences,counter,createDirIfNotExists,createElement,createEventHub,currentURL,curry,dayOfYear,debounce,decapitalize,deepClone,deepFlatten,deepFreeze,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,forOwn,forOwnRight,formatDuration,fromCamelCase,functionName,functions,gcd,geometricProgression,get,getColonTimeFromDate,getDaysDiffBetweenDates,getImages,getMeridiemSuffixOfInteger,getScrollPosition,getStyle,getType,getURLParameters,groupBy,hammingDistance,hasClass,hasFlags,hashBrowser,hashNode,head,hexToRGB,hide,httpGet,httpPost,httpsRedirect,hz,inRange,indentString,indexOfAll,initial,initialize2DArray,initializeArrayWithRange,initializeArrayWithRangeRight,initializeArrayWithValues,initializeNDArray,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,isPlainObject,isPrime,isPrimitive,isPromiseLike,isReadableStream,isSameDate,isSorted,isStream,isString,isSymbol,isTravisCI,isUndefined,isUpperCase,isValidJSON,isWritableStream,join,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,observeMutations,off,offset,omit,omitBy,on,onUserInputChange,once,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,reduceSuccessive,reduceWhich,reducedFilter,reject,remove,removeNonASCII,renameKeys,reverseString,round,runAsync,runPromisesInSeries,sample,sampleSize,scrollToTop,sdbm,serializeCookie,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,timeTaken,times,toCamelCase,toCurrency,toDecimalMark,toHash,toKebabCase,toOrdinalSuffix,toSafeInteger,toSnakeCase,toTitleCase,toggleClass,tomorrow,transform,triggerEvent,truncateString,truthCheckCollection,unary,uncurry,unescapeHTML,unflattenObject,unfold,union,unionBy,unionWith,uniqueElements,uniqueElementsBy,uniqueElementsByRight,uniqueSymmetricDifference,untildify,unzip,unzipWith,validateNumber,vectorDistance,when,without,words,xProd,yesNo,zip,zipObject,zipWith,JSONToDate,binarySearch,celsiusToFahrenheit,cleanObj,collatz,countVowels,factors,fahrenheitToCelsius,fibonacciCountUntilNum,fibonacciUntilNum,heronArea,howManyTimes,httpDelete,httpPut,isArmstrongNumber,isSimilar,kmphToMph,levenshteinDistance,mphToKmph,pipeLog,quickSort,removeVowels,solveRPN,speechSynthesis,squareSum}