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Simplify inRange

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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
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4
snippets/inRange.md
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@ -7,7 +7,7 @@ If the second parameter, `end`, is not specified, the range is considered to be
```js
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;
};
```
@ -16,5 +16,5 @@ const inRange = (n, start, end = null) => {
inRange(3, 2, 5); // true
inRange(3, 4); // true
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) => {
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;
};
module.exports = inRange;