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Diffstat (limited to 'node_modules/es-abstract/2015/HasProperty.js')
-rw-r--r--node_modules/es-abstract/2015/HasProperty.js20
1 files changed, 20 insertions, 0 deletions
diff --git a/node_modules/es-abstract/2015/HasProperty.js b/node_modules/es-abstract/2015/HasProperty.js
new file mode 100644
index 000000000..5f2d2122a
--- /dev/null
+++ b/node_modules/es-abstract/2015/HasProperty.js
@@ -0,0 +1,20 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var IsPropertyKey = require('./IsPropertyKey');
+var Type = require('./Type');
+
+// https://ecma-international.org/ecma-262/6.0/#sec-hasproperty
+
+module.exports = function HasProperty(O, P) {
+ if (Type(O) !== 'Object') {
+ throw new $TypeError('Assertion failed: `O` must be an Object');
+ }
+ if (!IsPropertyKey(P)) {
+ throw new $TypeError('Assertion failed: `P` must be a Property Key');
+ }
+ return P in O;
+};