add hw2

node_modules/ramda/es/find.js

@@ -0,0 +1,46 @@
+import _curry2 from "./internal/_curry2.js";
+import _dispatchable from "./internal/_dispatchable.js";
+import _xfind from "./internal/_xfind.js";
+/**
+ * Returns the first element of the list which matches the predicate, or
+ * `undefined` if no element matches.
+ *
+ * Dispatches to the `find` method of the second argument, if present.
+ *
+ * Acts as a transducer if a transformer is given in list position.
+ *
+ * @func
+ * @memberOf R
+ * @since v0.1.0
+ * @category List
+ * @sig (a -> Boolean) -> [a] -> a | undefined
+ * @param {Function} fn The predicate function used to determine if the element is the
+ *        desired one.
+ * @param {Array} list The array to consider.
+ * @return {Object} The element found, or `undefined`.
+ * @see R.transduce
+ * @example
+ *
+ *      const xs = [{a: 1}, {a: 2}, {a: 3}];
+ *      R.find(R.propEq('a', 2))(xs); //=> {a: 2}
+ *      R.find(R.propEq('a', 4))(xs); //=> undefined
+ */
+
+var find =
+/*#__PURE__*/
+_curry2(
+/*#__PURE__*/
+_dispatchable(['find'], _xfind, function find(fn, list) {
+  var idx = 0;
+  var len = list.length;
+
+  while (idx < len) {
+    if (fn(list[idx])) {
+      return list[idx];
+    }
+
+    idx += 1;
+  }
+}));
+
+export default find;