Fix format

11 years ago · 0c72d1a50b
3 changed files with 3 additions and 3 deletions
--- a/c3.js
+++ b/c3.js
@ -4957,7 +4957,7 @@
        var $$ = this, data_labels = $$.config.data_labels,
            format = function (v) { return isValue(v) ? +v : ""; };
        // find format according to axis id
-        if (data_labels.format) {
+        if (typeof data_labels.format === 'function') {
            format = data_labels.format;
        } else if (typeof data_labels.format === 'object') {
            if (data_labels.format[axisId]) {
--- a/c3.min.js
+++ b/c3.min.js
--- a/src/format.js
+++ b/src/format.js
@ -27,7 +27,7 @@ c3_chart_internal_fn.formatByAxisId = function (axisId) {
    var $$ = this, data_labels = $$.config.data_labels,
        format = function (v) { return isValue(v) ? +v : ""; };
    // find format according to axis id
-    if (data_labels.format) {
+    if (typeof data_labels.format === 'function') {
        format = data_labels.format;
    } else if (typeof data_labels.format === 'object') {
        if (data_labels.format[axisId]) {