Version 1

[yaffs-website] / node_modules / grunt-legacy-log / node_modules / lodash / internal / equalByTag.js

diff --git a/node_modules/grunt-legacy-log/node_modules/lodash/internal/equalByTag.js b/node_modules/grunt-legacy-log/node_modules/lodash/internal/equalByTag.js
new file mode 100644 (file)
index 0000000..d25c8e1
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+++ b/node_modules/grunt-legacy-log/node_modules/lodash/internal/equalByTag.js
@@ -0,0 +1,48 @@
+/** `Object#toString` result references. */
+var boolTag = '[object Boolean]',
+    dateTag = '[object Date]',
+    errorTag = '[object Error]',
+    numberTag = '[object Number]',
+    regexpTag = '[object RegExp]',
+    stringTag = '[object String]';
+
+/**
+ * A specialized version of `baseIsEqualDeep` for comparing objects of
+ * the same `toStringTag`.
+ *
+ * **Note:** This function only supports comparing values with tags of
+ * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
+ *
+ * @private
+ * @param {Object} object The object to compare.
+ * @param {Object} other The other object to compare.
+ * @param {string} tag The `toStringTag` of the objects to compare.
+ * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
+ */
+function equalByTag(object, other, tag) {
+  switch (tag) {
+    case boolTag:
+    case dateTag:
+      // Coerce dates and booleans to numbers, dates to milliseconds and booleans
+      // to `1` or `0` treating invalid dates coerced to `NaN` as not equal.
+      return +object == +other;
+
+    case errorTag:
+      return object.name == other.name && object.message == other.message;
+
+    case numberTag:
+      // Treat `NaN` vs. `NaN` as equal.
+      return (object != +object)
+        ? other != +other
+        : object == +other;
+
+    case regexpTag:
+    case stringTag:
+      // Coerce regexes to strings and treat strings primitives and string
+      // objects as equal. See https://es5.github.io/#x15.10.6.4 for more details.
+      return object == (other + '');
+  }
+  return false;
+}
+
+module.exports = equalByTag;