--- /dev/null
+var asciiSize = require('./_asciiSize'),
+ hasUnicode = require('./_hasUnicode'),
+ unicodeSize = require('./_unicodeSize');
+
+/**
+ * Gets the number of symbols in `string`.
+ *
+ * @private
+ * @param {string} string The string to inspect.
+ * @returns {number} Returns the string size.
+ */
+function stringSize(string) {
+ return hasUnicode(string)
+ ? unicodeSize(string)
+ : asciiSize(string);
+}
+
+module.exports = stringSize;