Commit

1 files changed, 42 insertions, 0 deletions

diff --git a/src/node_modules/es-abstract/2017/GetMethod.js b/src/node_modules/es-abstract/2017/GetMethod.js
new file mode 100644
index 0000000..aef8cbc
--- /dev/null
+++ b/src/node_modules/es-abstract/2017/GetMethod.js
@@ -0,0 +1,42 @@
+'use strict';
+
+var GetIntrinsic = require('../GetIntrinsic');
+
+var $TypeError = GetIntrinsic('%TypeError%');
+
+var GetV = require('./GetV');
+var IsCallable = require('./IsCallable');
+var IsPropertyKey = require('./IsPropertyKey');
+
+/**
+ * 7.3.9 - https://ecma-international.org/ecma-262/6.0/#sec-getmethod
+ * 1. Assert: IsPropertyKey(P) is true.
+ * 2. Let func be GetV(O, P).
+ * 3. ReturnIfAbrupt(func).
+ * 4. If func is either undefined or null, return undefined.
+ * 5. If IsCallable(func) is false, throw a TypeError exception.
+ * 6. Return func.
+ */
+
+module.exports = function GetMethod(O, P) {
+	// 7.3.9.1
+	if (!IsPropertyKey(P)) {
+		throw new $TypeError('Assertion failed: IsPropertyKey(P) is not true');
+	}
+
+	// 7.3.9.2
+	var func = GetV(O, P);
+
+	// 7.3.9.4
+	if (func == null) {
+		return void 0;
+	}
+
+	// 7.3.9.5
+	if (!IsCallable(func)) {
+		throw new $TypeError(P + 'is not a function');
+	}
+
+	// 7.3.9.6
+	return func;
+};