Fix class selector for [] - #711

c3.js

@@ -5511,7 +5511,7 @@
         return CLASS.chartArc + this.classTarget(d.data.id);
     };
     c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) {
-        return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s!@#$%^&*()_+,.<>'":;]/g, '-') : '';
+        return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s!@#$%^&*()_+,.<>'":;\[\]]/g, '-') : '';
     };
     c3_chart_internal_fn.selectorTarget = function (id, prefix) {
         return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id);

spec/class-spec.js

@@ -11,7 +11,7 @@ describe('c3 chart class', function () {
     var args = {
         data: {
             columns: [
-                ['data1', 30, 200, 100, 400, 150, 250],
+                ['data1 [0]', 30, 200, 100, 400, 150, 250],
                 ['data2 prefix', 50, 20, 10, 40, 15, 25],
                 ['data3 мужчины', 150, 120, 110, 140, 115, 125]
             ]
@@ -47,8 +47,8 @@ describe('c3 chart class', function () {
         });
 
         it('should replace special charactors to "-"', function () {
-            var input = 'data1 !@#$%^&*()_+,.<>"\':;',
-                expected = '-data1---------------------',
+            var input = 'data1 !@#$%^&*()_+,.<>"\':;[]',
+                expected = '-data1-----------------------',
                 suffix = chart.internal.getTargetSelectorSuffix(input);
             expect(suffix).toBe(expected);
         });

src/class.js

@@ -155,7 +155,7 @@ c3_chart_internal_fn.classChartArc = function (d) {
     return CLASS.chartArc + this.classTarget(d.data.id);
 };
 c3_chart_internal_fn.getTargetSelectorSuffix = function (targetId) {
-    return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s!@#$%^&*()_+,.<>'":;]/g, '-') : '';
+    return targetId || targetId === 0 ? ('-' + targetId).replace(/[\s!@#$%^&*()_+,.<>'":;\[\]]/g, '-') : '';
 };
 c3_chart_internal_fn.selectorTarget = function (id, prefix) {
     return (prefix || '') + '.' + CLASS.target + this.getTargetSelectorSuffix(id);