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node_modules/core-js/modules/es7.reflect.has-metadata.js
| 16 lines
| 677 B
| application/javascript
| JavascriptLexer
|
r789 | var metadata = require('./_metadata'); | |||
var anObject = require('./_an-object'); | ||||
var getPrototypeOf = require('./_object-gpo'); | ||||
var ordinaryHasOwnMetadata = metadata.has; | ||||
var 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])); | ||||
} }); | ||||