add book.js

node_modules/lodash/internal/createPartial.js

@@ -0,0 +1,20 @@
+var createWrapper = require('./createWrapper'),
+    replaceHolders = require('./replaceHolders'),
+    restParam = require('../function/restParam');
+
+/**
+ * Creates a `_.partial` or `_.partialRight` function.
+ *
+ * @private
+ * @param {boolean} flag The partial bit flag.
+ * @returns {Function} Returns the new partial function.
+ */
+function createPartial(flag) {
+  var partialFunc = restParam(function(func, partials) {
+    var holders = replaceHolders(partials, partialFunc.placeholder);
+    return createWrapper(func, flag, undefined, partials, holders);
+  });
+  return partialFunc;
+}
+
+module.exports = createPartial;