Bump to v4.1.0.

_createPadding.js

@@ -0,0 +1,47 @@
+var repeat = require('./repeat'),
+    stringSize = require('./_stringSize'),
+    stringToArray = require('./_stringToArray'),
+    toInteger = require('./toInteger');
+
+/** Used to compose unicode character classes. */
+var rsAstralRange = '\\ud800-\\udfff',
+    rsComboMarksRange = '\\u0300-\\u036f\\ufe20-\\ufe23',
+    rsComboSymbolsRange = '\\u20d0-\\u20f0',
+    rsVarRange = '\\ufe0e\\ufe0f';
+
+/** Used to compose unicode capture groups. */
+var rsZWJ = '\\u200d';
+
+/** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
+var reHasComplexSymbol = RegExp('[' + rsZWJ + rsAstralRange  + rsComboMarksRange + rsComboSymbolsRange + rsVarRange + ']');
+
+/* Built-in method references for those with the same name as other `lodash` methods. */
+var nativeCeil = Math.ceil;
+
+/**
+ * Creates the padding for `string` based on `length`. The `chars` string
+ * is truncated if the number of characters exceeds `length`.
+ *
+ * @private
+ * @param {string} string The string to create padding for.
+ * @param {number} [length=0] The padding length.
+ * @param {string} [chars=' '] The string used as padding.
+ * @returns {string} Returns the padding for `string`.
+ */
+function createPadding(string, length, chars) {
+  length = toInteger(length);
+
+  var strLength = stringSize(string);
+  if (!length || strLength >= length) {
+    return '';
+  }
+  var padLength = length - strLength;
+  chars = chars === undefined ? ' ' : (chars + '');
+
+  var result = repeat(chars, nativeCeil(padLength / stringSize(chars)));
+  return reHasComplexSymbol.test(chars)
+    ? stringToArray(result).slice(0, padLength).join('')
+    : result.slice(0, padLength);
+}
+
+module.exports = createPadding;