more work

node_modules/lodash/internal/baseIsMatch.js

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+var baseIsEqual = require('./baseIsEqual');
+
+/**
+ * The base implementation of `_.isMatch` without support for callback
+ * shorthands and `this` binding.
+ *
+ * @private
+ * @param {Object} object The object to inspect.
+ * @param {Array} props The source property names to match.
+ * @param {Array} values The source values to match.
+ * @param {Array} strictCompareFlags Strict comparison flags for source values.
+ * @param {Function} [customizer] The function to customize comparing objects.
+ * @returns {boolean} Returns `true` if `object` is a match, else `false`.
+ */
+function baseIsMatch(object, props, values, strictCompareFlags, customizer) {
+  var index = -1,
+      length = props.length,
+      noCustomizer = !customizer;
+
+  while (++index < length) {
+    if ((noCustomizer && strictCompareFlags[index])
+          ? values[index] !== object[props[index]]
+          : !(props[index] in object)
+        ) {
+      return false;
+    }
+  }
+  index = -1;
+  while (++index < length) {
+    var key = props[index],
+        objValue = object[key],
+        srcValue = values[index];
+
+    if (noCustomizer && strictCompareFlags[index]) {
+      var result = objValue !== undefined || (key in object);
+    } else {
+      result = customizer ? customizer(objValue, srcValue, key) : undefined;
+      if (result === undefined) {
+        result = baseIsEqual(srcValue, objValue, customizer, true);
+      }
+    }
+    if (!result) {
+      return false;
+    }
+  }
+  return true;
+}
+
+module.exports = baseIsMatch;