add book.js

node_modules/lodash/internal/baseMatches.js

@@ -0,0 +1,30 @@
+var baseIsMatch = require('./baseIsMatch'),
+    getMatchData = require('./getMatchData'),
+    toObject = require('./toObject');
+
+/**
+ * The base implementation of `_.matches` which does not clone `source`.
+ *
+ * @private
+ * @param {Object} source The object of property values to match.
+ * @returns {Function} Returns the new function.
+ */
+function baseMatches(source) {
+  var matchData = getMatchData(source);
+  if (matchData.length == 1 && matchData[0][2]) {
+    var key = matchData[0][0],
+        value = matchData[0][1];
+
+    return function(object) {
+      if (object == null) {
+        return false;
+      }
+      return object[key] === value && (value !== undefined || (key in toObject(object)));
+    };
+  }
+  return function(object) {
+    return baseIsMatch(object, matchData);
+  };
+}
+
+module.exports = baseMatches;