diff options
Diffstat (limited to 'node_modules/core-js/modules/es7.reflect.delete-metadata.js')
| -rw-r--r-- | node_modules/core-js/modules/es7.reflect.delete-metadata.js | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/es7.reflect.delete-metadata.js b/node_modules/core-js/modules/es7.reflect.delete-metadata.js new file mode 100644 index 000000000..8a8a8253b --- /dev/null +++ b/node_modules/core-js/modules/es7.reflect.delete-metadata.js @@ -0,0 +1,15 @@ +var metadata = require('./_metadata') + , anObject = require('./_an-object') + , toMetaKey = metadata.key + , getOrCreateMetadataMap = metadata.map + , store = metadata.store; + +metadata.exp({deleteMetadata: function deleteMetadata(metadataKey, target /*, targetKey */){ + var targetKey = arguments.length < 3 ? undefined : toMetaKey(arguments[2]) + , metadataMap = getOrCreateMetadataMap(anObject(target), targetKey, false); + if(metadataMap === undefined || !metadataMap['delete'](metadataKey))return false; + if(metadataMap.size)return true; + var targetMetadata = store.get(target); + targetMetadata['delete'](targetKey); + return !!targetMetadata.size || store['delete'](target); +}});
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