defineProperty.js
683 Bytes
'use strict';
var GetIntrinsic = require('../../GetIntrinsic');
var $defineProperty = GetIntrinsic('%Object.defineProperty%', true);
if ($defineProperty) {
try {
$defineProperty({}, 'a', { value: 1 });
} catch (e) {
// IE 8 has a broken defineProperty
$defineProperty = null;
}
}
module.exports = function defineProperty(O, P, Desc) {
if ($defineProperty) {
return $defineProperty(O, P, Desc);
}
if ((Desc.enumerable && Desc.configurable && Desc.writable) || !(P in O)) {
O[P] = Desc.value; // eslint-disable-line no-param-reassign
return O;
}
throw new SyntaxError('helper does not yet support this configuration');
};
module.exports.oDP = $defineProperty;