diff options
Diffstat (limited to 'node_modules/core-js/modules/es7.reflect.has-metadata.js')
-rw-r--r-- | node_modules/core-js/modules/es7.reflect.has-metadata.js | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/es7.reflect.has-metadata.js b/node_modules/core-js/modules/es7.reflect.has-metadata.js new file mode 100644 index 000000000..0ff637865 --- /dev/null +++ b/node_modules/core-js/modules/es7.reflect.has-metadata.js @@ -0,0 +1,16 @@ +var metadata = require('./_metadata') + , anObject = require('./_an-object') + , getPrototypeOf = require('./_object-gpo') + , ordinaryHasOwnMetadata = metadata.has + , toMetaKey = metadata.key; + +var ordinaryHasMetadata = function(MetadataKey, O, P){ + var hasOwn = ordinaryHasOwnMetadata(MetadataKey, O, P); + if(hasOwn)return true; + var parent = getPrototypeOf(O); + return parent !== null ? ordinaryHasMetadata(MetadataKey, parent, P) : false; +}; + +metadata.exp({hasMetadata: function hasMetadata(metadataKey, target /*, targetKey */){ + return ordinaryHasMetadata(metadataKey, anObject(target), arguments.length < 3 ? undefined : toMetaKey(arguments[2])); +}});
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