diff --git a/htdocs/js/samples/plugin.js b/htdocs/js/samples/plugin.js
new file mode 100644
index 0000000..e5a0718
--- /dev/null
+++ b/htdocs/js/samples/plugin.js
@@ -0,0 +1,13 @@
+c3.chart.internal.fn.isTimeSeries = function () {
+ console.log('custom isTimeSeries');
+ return false;
+};
+c3.chart.internal.fn.additionalConfig.test1 = undefined;
+c3.chart.internal.fn.additionalConfig.test2 = undefined;
+
+c3.chart.fn.hoge = function () {
+ console.log("hoge()", this.internal.isTimeSeries());
+};
+c3.chart.fn.test = function () {
+ console.log('test()', this.internal.config.test1);
+};
diff --git a/htdocs/samples/plugin.html b/htdocs/samples/plugin.html
new file mode 100644
index 0000000..cba5227
--- /dev/null
+++ b/htdocs/samples/plugin.html
@@ -0,0 +1,27 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/src/config.js b/src/config.js
index 466cba0..56193a9 100644
--- a/src/config.js
+++ b/src/config.js
@@ -326,8 +326,13 @@ c3_chart_internal_fn.getDefaultConfig = function () {
config[__tooltip_init_x] = 0;
config[__tooltip_init_position] = {top: '0px', left: '50px'};
+ Object.keys(this.additionalConfig).forEach(function (key) {
+ config[key] = this.additionalConfig[key];
+ }, this);
+
return config;
};
+c3_chart_internal_fn.additionalConfig = {};
c3_chart_internal_fn.loadConfig = function (config) {
var this_config = this.config, target, keys, read;