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var $ = require('../internals/export');
var isArray = require('../internals/is-array');
// eslint-disable-next-line es-x/no-object-isfrozen -- safe
var isFrozen = Object.isFrozen;
var isFrozenStringArray = function (array, allowUndefined) {
if (!isFrozen || !isArray(array) || !isFrozen(array)) return false;
var index = 0;
var length = array.length;
var element;
while (index < length) {
element = array[index++];
if (!(typeof element == 'string' || (allowUndefined && typeof element == 'undefined'))) {
return false;
}
} return length !== 0;
};
// `Array.isTemplateObject` method
// https://github.com/tc39/proposal-array-is-template-object
$({ target: 'Array', stat: true, sham: true, forced: true }, {
isTemplateObject: function isTemplateObject(value) {
if (!isFrozenStringArray(value, true)) return false;
var raw = value.raw;
return raw.length === value.length && isFrozenStringArray(raw, false);
}
});