add book.js

node_modules/lodash/internal/createCompounder.js

@@ -0,0 +1,26 @@
+var deburr = require('../string/deburr'),
+    words = require('../string/words');
+
+/**
+ * Creates a function that produces compound words out of the words in a
+ * given string.
+ *
+ * @private
+ * @param {Function} callback The function to combine each word.
+ * @returns {Function} Returns the new compounder function.
+ */
+function createCompounder(callback) {
+  return function(string) {
+    var index = -1,
+        array = words(deburr(string)),
+        length = array.length,
+        result = '';
+
+    while (++index < length) {
+      result = callback(result, array[index], index);
+    }
+    return result;
+  };
+}
+
+module.exports = createCompounder;