andre/30-seconds-of-code
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Simplify inRange

Browse Source
This commit is contained in:
Siarhei
2018-09-03 10:27:11 +04:00
parent 1c0c9e2f46
commit 8573bb024a
2 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
snippets/inRange.md
View File

@ -7,7 +7,7 @@ If the second parameter, `end`, is not specified, the range is considered to be
```js ```js
const inRange = (n, start, end = null) => { const inRange = (n, start, end = null) => {
if (end && start > end) end = [start, (start = end)][0]; if (end && start > end) [end, start] = [start, end];
return end == null ? n >= 0 && n < start : n >= start && n < end; return end == null ? n >= 0 && n < start : n >= start && n < end;
}; };
``` ```
@ -16,5 +16,5 @@ const inRange = (n, start, end = null) => {
inRange(3, 2, 5); // true inRange(3, 2, 5); // true
inRange(3, 4); // true inRange(3, 4); // true
inRange(2, 3, 5); // false inRange(2, 3, 5); // false
inrange(3, 2); // false inRange(3, 2); // false
``` ```

2
test/inRange/inRange.js
View File

@ -1,5 +1,5 @@
const inRange = (n, start, end = null) => { const inRange = (n, start, end = null) => {
if (end && start > end) end = [start, (start = end)][0]; if (end && start > end) [end, start] = [start, end];
return end == null ? n >= 0 && n < start : n >= start && n < end; return end == null ? n >= 0 && n < start : n >= start && n < end;
}; };
module.exports = inRange; module.exports = inRange;