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Diffstat (limited to 'node_modules/es-abstract/2018/CompletePropertyDescriptor.js')
-rw-r--r-- | node_modules/es-abstract/2018/CompletePropertyDescriptor.js | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2018/CompletePropertyDescriptor.js b/node_modules/es-abstract/2018/CompletePropertyDescriptor.js new file mode 100644 index 000000000..548bf415a --- /dev/null +++ b/node_modules/es-abstract/2018/CompletePropertyDescriptor.js @@ -0,0 +1,39 @@ +'use strict'; + +var has = require('has'); + +var assertRecord = require('../helpers/assertRecord'); + +var IsDataDescriptor = require('./IsDataDescriptor'); +var IsGenericDescriptor = require('./IsGenericDescriptor'); +var Type = require('./Type'); + +// https://ecma-international.org/ecma-262/6.0/#sec-completepropertydescriptor + +module.exports = function CompletePropertyDescriptor(Desc) { + /* eslint no-param-reassign: 0 */ + assertRecord(Type, 'Property Descriptor', 'Desc', Desc); + + if (IsGenericDescriptor(Desc) || IsDataDescriptor(Desc)) { + if (!has(Desc, '[[Value]]')) { + Desc['[[Value]]'] = void 0; + } + if (!has(Desc, '[[Writable]]')) { + Desc['[[Writable]]'] = false; + } + } else { + if (!has(Desc, '[[Get]]')) { + Desc['[[Get]]'] = void 0; + } + if (!has(Desc, '[[Set]]')) { + Desc['[[Set]]'] = void 0; + } + } + if (!has(Desc, '[[Enumerable]]')) { + Desc['[[Enumerable]]'] = false; + } + if (!has(Desc, '[[Configurable]]')) { + Desc['[[Configurable]]'] = false; + } + return Desc; +}; |