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musix-oss/node_modules/es-abstract/test/helpers/defineProperty.js
2020-03-03 22:30:50 +02:00

23 lines
476 B
JavaScript

'use strict';
var oDP = Object.defineProperty;
try {
oDP({}, 'a', { value: 1 });
} catch (e) {
// IE 8
oDP = null;
}
module.exports = function defineProperty(O, P, Desc) {
if (oDP) {
return oDP(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 = oDP;