add hw2

node_modules/lodash-es/toPath.js

@@ -0,0 +1,33 @@
+import arrayMap from './_arrayMap.js';
+import copyArray from './_copyArray.js';
+import isArray from './isArray.js';
+import isSymbol from './isSymbol.js';
+import stringToPath from './_stringToPath.js';
+import toKey from './_toKey.js';
+import toString from './toString.js';
+
+/**
+ * Converts `value` to a property path array.
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Util
+ * @param {*} value The value to convert.
+ * @returns {Array} Returns the new property path array.
+ * @example
+ *
+ * _.toPath('a.b.c');
+ * // => ['a', 'b', 'c']
+ *
+ * _.toPath('a[0].b.c');
+ * // => ['a', '0', 'b', 'c']
+ */
+function toPath(value) {
+  if (isArray(value)) {
+    return arrayMap(value, toKey);
+  }
+  return isSymbol(value) ? [value] : copyArray(stringToPath(toString(value)));
+}
+
+export default toPath;