add hw2

node_modules/ramda/es/prop.js

@@ -0,0 +1,36 @@
+import _curry2 from "./internal/_curry2.js";
+import _isInteger from "./internal/_isInteger.js";
+import nth from "./nth.js";
+/**
+ * Returns a function that when supplied an object returns the indicated
+ * property of that object, if it exists.
+ *
+ * @func
+ * @memberOf R
+ * @since v0.1.0
+ * @category Object
+ * @typedefn Idx = String | Int | Symbol
+ * @sig Idx -> {s: a} -> a | Undefined
+ * @param {String|Number} p The property name or array index
+ * @param {Object} obj The object to query
+ * @return {*} The value at `obj.p`.
+ * @see R.path, R.props, R.pluck, R.project, R.nth
+ * @example
+ *
+ *      R.prop('x', {x: 100}); //=> 100
+ *      R.prop('x', {}); //=> undefined
+ *      R.prop(0, [100]); //=> 100
+ *      R.compose(R.inc, R.prop('x'))({ x: 3 }) //=> 4
+ */
+
+var prop =
+/*#__PURE__*/
+_curry2(function prop(p, obj) {
+  if (obj == null) {
+    return;
+  }
+
+  return _isInteger(p) ? nth(p, obj) : obj[p];
+});
+
+export default prop;