add book.js

node_modules/lodash/internal/baseWrapperValue.js

@@ -0,0 +1,29 @@
+var LazyWrapper = require('./LazyWrapper'),
+    arrayPush = require('./arrayPush');
+
+/**
+ * The base implementation of `wrapperValue` which returns the result of
+ * performing a sequence of actions on the unwrapped `value`, where each
+ * successive action is supplied the return value of the previous.
+ *
+ * @private
+ * @param {*} value The unwrapped value.
+ * @param {Array} actions Actions to peform to resolve the unwrapped value.
+ * @returns {*} Returns the resolved value.
+ */
+function baseWrapperValue(value, actions) {
+  var result = value;
+  if (result instanceof LazyWrapper) {
+    result = result.value();
+  }
+  var index = -1,
+      length = actions.length;
+
+  while (++index < length) {
+    var action = actions[index];
+    result = action.func.apply(action.thisArg, arrayPush([result], action.args));
+  }
+  return result;
+}
+
+module.exports = baseWrapperValue;