main
|
Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
|
Update repo after prototype presentation
|
-
Property mode
set to
100644
|
|
File size:
774 bytes
|
| Rev | Line | |
|---|
| [d565449] | 1 | 'use strict';
|
|---|
| 2 |
|
|---|
| 3 | var GetIntrinsic = require('get-intrinsic');
|
|---|
| 4 |
|
|---|
| 5 | var $TypeError = require('es-errors/type');
|
|---|
| 6 | var $fromCharCode = GetIntrinsic('%String.fromCharCode%');
|
|---|
| 7 |
|
|---|
| 8 | var isLeadingSurrogate = require('../helpers/isLeadingSurrogate');
|
|---|
| 9 | var isTrailingSurrogate = require('../helpers/isTrailingSurrogate');
|
|---|
| 10 |
|
|---|
| 11 | // https://262.ecma-international.org/11.0/#sec-utf16decodesurrogatepair
|
|---|
| 12 |
|
|---|
| 13 | module.exports = function UTF16DecodeSurrogatePair(lead, trail) {
|
|---|
| 14 | if (!isLeadingSurrogate(lead) || !isTrailingSurrogate(trail)) {
|
|---|
| 15 | throw new $TypeError('Assertion failed: `lead` must be a leading surrogate char code, and `trail` must be a trailing surrogate char code');
|
|---|
| 16 | }
|
|---|
| 17 | // var cp = (lead - 0xD800) * 0x400 + (trail - 0xDC00) + 0x10000;
|
|---|
| 18 | return $fromCharCode(lead) + $fromCharCode(trail);
|
|---|
| 19 | };
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
