Add trimChars fp mapping.

fp/_mapping.js

@@ -60,9 +60,9 @@ exports.aryMethod = {
       'repeat', 'result', 'sampleSize', 'some', 'sortBy', 'sortedIndex',
       'sortedIndexOf', 'sortedLastIndex', 'sortedLastIndexOf', 'sortedUniqBy',
       'split', 'startsWith', 'subtract', 'sumBy', 'take', 'takeRight', 'takeRightWhile',
-      'takeWhile', 'tap', 'throttle', 'thru', 'times', 'truncate', 'union', 'uniqBy',
+      'takeWhile', 'tap', 'throttle', 'thru', 'times', 'trimChars', 'trimCharsEnd',
-      'uniqWith', 'unset', 'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject',
+      'trimCharsStart', 'truncate', 'union', 'uniqBy', 'uniqWith', 'unset',
-      'zipObjectDeep'
+      'unzipWith', 'without', 'wrap', 'xor', 'zip', 'zipObject', 'zipObjectDeep'
     ],
   3: [
       'assignInWith', 'assignWith', 'clamp', 'differenceBy', 'differenceWith',
@@ -212,7 +212,10 @@ exports.realToAlias = (function() {
 exports.rename = {
   'curryN': 'curry',
   'curryRightN': 'curryRight',
-  'getOr': 'get'
+  'getOr': 'get',
+  'trimChars': 'trim',
+  'trimCharsEnd': 'trimEnd',
+  'trimCharsStart': 'trimStart'
 };
 
 /** Used to track methods that skip `_.rearg`. */

test/test-fp.js

@@ -993,6 +993,32 @@
 
   /*--------------------------------------------------------------------------*/
 
+  QUnit.module('fp.trimChars');
+
+  _.each(['trimChars', 'trimCharsStart', 'trimCharsEnd'], function(methodName, index) {
+    var func = fp[methodName],
+        parts = [];
+
+    if (index != 2) {
+      parts.push('leading');
+    }
+    if (index != 1) {
+      parts.push('trailing');
+    }
+    parts = parts.join(' and ');
+
+    QUnit.test('`_.' + methodName + '` should remove ' + parts + ' `chars`', function(assert) {
+      assert.expect(1);
+
+      var string = '-_-a-b-c-_-',
+          expected = (index == 2 ? '-_-' : '') + 'a-b-c' + (index == 1 ? '-_-' : '');
+
+      assert.strictEqual(func('_-')(string), expected);
+    });
+  });
+
+  /*--------------------------------------------------------------------------*/
+
   QUnit.module('fp.uniqBy');
 
   (function() {

test/test.js

@@ -21457,9 +21457,9 @@
   QUnit.module('trim methods');
 
   lodashStable.each(['trim', 'trimStart', 'trimEnd'], function(methodName, index) {
-    var func = _[methodName];
+    var func = _[methodName],
+        parts = [];
 
-    var parts = [];
     if (index != 2) {
       parts.push('leading');
     }