Tests if 2 characters together are a surrogate pair.
Tests if the two character arguments combined are a valid UTF-16 surrogate pair.
Kind: Exported function
Returns: boolean - Returns true if the two characters create a valid
'UTF-16' surrogate pair; otherwise false.
| Param | Type | Description |
|---|---|---|
| char1 | * |
The character combination, or if char2 is supplied then the first character of a suspected surrogate pair. |
| [char2] | * |
The second character of a suspected surrogate pair. |
Example
import isSurrogatePair from 'is-surrogate-pair-x';
const test1 = 'a';
const test2 = '𠮟';
console.log(isSurrogatePair(test1)); // false
console.log(isSurrogatePair(test1.charAt(0), test1.charAt(1))); // false
console.log(isSurrogatePair(test2)); // true
console.log(isSurrogatePair(test2.charAt(0), test2.charAt(1))); // true
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