add hw2

node_modules/lodash/_composeArgsRight.js

@@ -0,0 +1,41 @@
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeMax = Math.max;
+
+/**
+ * This function is like `composeArgs` except that the arguments composition
+ * is tailored for `_.partialRight`.
+ *
+ * @private
+ * @param {Array} args The provided arguments.
+ * @param {Array} partials The arguments to append to those provided.
+ * @param {Array} holders The `partials` placeholder indexes.
+ * @params {boolean} [isCurried] Specify composing for a curried function.
+ * @returns {Array} Returns the new array of composed arguments.
+ */
+function composeArgsRight(args, partials, holders, isCurried) {
+  var argsIndex = -1,
+      argsLength = args.length,
+      holdersIndex = -1,
+      holdersLength = holders.length,
+      rightIndex = -1,
+      rightLength = partials.length,
+      rangeLength = nativeMax(argsLength - holdersLength, 0),
+      result = Array(rangeLength + rightLength),
+      isUncurried = !isCurried;
+
+  while (++argsIndex < rangeLength) {
+    result[argsIndex] = args[argsIndex];
+  }
+  var offset = argsIndex;
+  while (++rightIndex < rightLength) {
+    result[offset + rightIndex] = partials[rightIndex];
+  }
+  while (++holdersIndex < holdersLength) {
+    if (isUncurried || argsIndex < argsLength) {
+      result[offset + holders[holdersIndex]] = args[argsIndex++];
+    }
+  }
+  return result;
+}
+
+module.exports = composeArgsRight;