more work

node_modules/lodash/internal/baseMatches.js

@@ -0,0 +1,47 @@
+var baseIsMatch = require('./baseIsMatch'),
+    constant = require('../utility/constant'),
+    isStrictComparable = require('./isStrictComparable'),
+    keys = require('../object/keys'),
+    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 props = keys(source),
+      length = props.length;
+
+  if (!length) {
+    return constant(true);
+  }
+  if (length == 1) {
+    var key = props[0],
+        value = source[key];
+
+    if (isStrictComparable(value)) {
+      return function(object) {
+        if (object == null) {
+          return false;
+        }
+        return object[key] === value && (value !== undefined || (key in toObject(object)));
+      };
+    }
+  }
+  var values = Array(length),
+      strictCompareFlags = Array(length);
+
+  while (length--) {
+    value = source[props[length]];
+    values[length] = value;
+    strictCompareFlags[length] = isStrictComparable(value);
+  }
+  return function(object) {
+    return object != null && baseIsMatch(toObject(object), props, values, strictCompareFlags);
+  };
+}
+
+module.exports = baseMatches;