Constnium/node_modules/es-abstract/2021/StringToCodePoints.js
2022-06-23 02:27:43 +02:00

29 lines
760 B
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var $TypeError = GetIntrinsic('%TypeError%');
var callBound = require('call-bind/callBound');
var $push = callBound('Array.prototype.push');
var CodePointAt = require('./CodePointAt');
var Type = require('./Type');
// https://ecma-international.org/ecma-262/12.0/#sec-stringtocodepoints
module.exports = function StringToCodePoints(string) {
if (Type(string) !== 'String') {
throw new $TypeError('Assertion failed: `string` must be a String');
}
var codePoints = [];
var size = string.length;
var position = 0;
while (position < size) {
var cp = CodePointAt(string, position);
$push(codePoints, cp['[[CodePoint]]']);
position += cp['[[CodeUnitCount]]'];
}
return codePoints;
};