andre/30-seconds-of-code
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refactor(anagrams): improve code legibility

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This commit is contained in:
Jobsamuel Núñez
2017-12-12 11:54:50 -04:00
parent e93e618283
commit 4e023f7a0b
2 changed files with 10 additions and 11 deletions
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11
README.md
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@ -59,11 +59,11 @@ Use `map()` to combine the letter with each partial anagram, then `reduce()` to
Base cases are for string `length` equal to `2` or `1`.
```js
const anagrams = s => {
if(s.length <= 2) return s.length === 2 ? [s, s[1] + s[0]] : [s];
return s.split('').reduce( (a,l,i) => {
anagrams(s.slice(0,i) + s.slice(i+1)).map( v => a.push(l+v) );
return a;
const anagrams = str => {
if(str.length <= 2) return str.length === 2 ? [str, str[1] + str[0]] : [str];
return str.split('').reduce( (acc, letter, index) => {
anagrams(str.slice(0, index) + str.slice(index + 1)).map( value => acc.push(letter + value) );
return acc;
}, []);
}
```
@ -459,4 +459,3 @@ const validateNumber = n => !isNaN(parseFloat(n)) && isFinite(n);
## Credits
*Icons made by [Smashicons](https://www.flaticon.com/authors/smashicons) from [www.flaticon.com](https://www.flaticon.com/) is licensed by [CC 3.0 BY](http://creativecommons.org/licenses/by/3.0/).*

10
snippets/anagrams-of-string-(with-duplicates).md
View File

@ -6,11 +6,11 @@ Use `map()` to combine the letter with each partial anagram, then `reduce()` to
Base cases are for string `length` equal to `2` or `1`.
```js
const anagrams = s => {
if(s.length <= 2) return s.length === 2 ? [s, s[1] + s[0]] : [s];
return s.split('').reduce( (a,l,i) => {
anagrams(s.slice(0,i) + s.slice(i+1)).map( v => a.push(l+v) );
return a;
const anagrams = str => {
if(str.length <= 2) return str.length === 2 ? [str, str[1] + str[0]] : [str];
return str.split('').reduce( (acc, letter, index) => {
anagrams(str.slice(0, index) + str.slice(index + 1)).map( value => acc.push(letter + value) );
return acc;
}, []);
}
```