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node_modules/es-abstract/test/helpers/defineProperty.js
| 22 lines
| 476 B
| application/javascript
| JavascriptLexer
|
r789 | '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; | ||||