Constnium/node_modules/es-abstract/2017/CharacterRange.js
2022-06-23 02:27:43 +02:00

31 lines
782 B
JavaScript

'use strict';
var GetIntrinsic = require('get-intrinsic');
var callBound = require('call-bind/callBound');
var $fromCharCode = GetIntrinsic('%String.fromCharCode%');
var $TypeError = GetIntrinsic('%TypeError%');
var $charCodeAt = callBound('%String.prototype.charCodeAt%');
var $push = callBound('%Array.prototype.push%');
module.exports = function CharacterRange(A, B) {
if (A.length !== 1 || B.length !== 1) {
throw new $TypeError('Assertion failed: CharSets A and B contain exactly one character');
}
var a = A[0];
var b = B[0];
var i = $charCodeAt(a, 0);
var j = $charCodeAt(b, 0);
if (!(i <= j)) {
throw new $TypeError('Assertion failed: i is not <= j');
}
var arr = [];
for (var k = i; k <= j; k += 1) {
$push(arr, $fromCharCode(k));
}
return arr;
};