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Add tests for Project Euler Problem 5 + minor refactor (#1691)

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+18

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Original file line number	Diff line number	Diff line change
`@@ -35,6 +35,8 @@`
`35`	`35`	`*[ROT13](Ciphers/ROT13.js)`
`36`	`36`	`*[VigenereCipher](Ciphers/VigenereCipher.js)`
`37`	`37`	`*[XORCipher](Ciphers/XORCipher.js)`
	`38`	`+*Compression`
	`39`	`+*[RLE](Compression/RLE.js)`
`38`	`40`	`*Conversions`
`39`	`41`	`*[ArbitraryBase](Conversions/ArbitraryBase.js)`
`40`	`42`	`*[ArrayBufferToBase64](Conversions/ArrayBufferToBase64.js)`
`@@ -285,6 +287,7 @@`
`285`	`287`	`*[Problem016](Project-Euler/Problem016.js)`
`286`	`288`	`*[Problem017](Project-Euler/Problem017.js)`
`287`	`289`	`*[Problem018](Project-Euler/Problem018.js)`
	`290`	`+*[Problem019](Project-Euler/Problem019.js)`
`288`	`291`	`*[Problem020](Project-Euler/Problem020.js)`
`289`	`292`	`*[Problem021](Project-Euler/Problem021.js)`
`290`	`293`	`*[Problem023](Project-Euler/Problem023.js)`

Lines changed: 3 additions & 5 deletions

Original file line number	Diff line number	Diff line change
`@@ -5,11 +5,9 @@ Smallest multiple`
`5`	`5`	`What is the smallest positive number that is evenly divisible by all of the numbers from 1 to 20?`
`6`	`6`	`*/`
`7`	`7`
`8`		`-exportconstfindSmallestMultiple=()=>{`
`9`		`-constdivisors=[`
`10`		`-20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2`
`11`		`-]`
`12`		`-letnum=21`
	`8`	`+exportconstfindSmallestMultiple=(maxDivisor)=>{`
	`9`	`+constdivisors=Array.from({length:maxDivisor},(_,i)=>i+1)`
	`10`	`+letnum=maxDivisor+1`
`13`	`11`	`letresult`
`14`	`12`
`15`	`13`	`while(!result){`

Lines changed: 12 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,12 @@`
	`1`	`+import{expect}from'vitest'`
	`2`	`+import{findSmallestMultiple}from'../Problem005.js'`
	`3`	`+`
	`4`	`+describe.concurrent('Find smallest multiple',()=>{`
	`5`	`+test.each([`
	`6`	`+[10,2520],`
	`7`	`+[15,360360],`
	`8`	`+[20,232792560]`
	`9`	`+])('max divisor -> %i, smallest multiple -> %i',(a,expected)=>{`
	`10`	`+expect(findSmallestMultiple(a)).toBe(expected)`
	`11`	`+})`
	`12`	`+})`

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