Fix axis.y.center

10 years ago · 951696eea1
3 changed files with 6 additions and 6 deletions
--- a/c3.js
+++ b/c3.js
@ -1361,9 +1361,9 @@
        domainLength = Math.abs(yDomainMax - yDomainMin);
        padding = padding_top = padding_bottom = domainLength * 0.1;

-        if (center) {
+        if (typeof center !== 'undefined') {
            yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
-            yDomainMax = yDomainAbs - center;
+            yDomainMax = center + yDomainAbs;
            yDomainMin = center - yDomainAbs;
        }
        // add padding for data label
--- a/c3.min.js
+++ b/c3.min.js
--- a/src/domain.js
+++ b/src/domain.js
@ -112,9 +112,9 @@ c3_chart_internal_fn.getYDomain = function (targets, axisId, xDomain) {
    domainLength = Math.abs(yDomainMax - yDomainMin);
    padding = padding_top = padding_bottom = domainLength * 0.1;

-    if (center) {
+    if (typeof center !== 'undefined') {
        yDomainAbs = Math.max(Math.abs(yDomainMin), Math.abs(yDomainMax));
-        yDomainMax = yDomainAbs - center;
+        yDomainMax = center + yDomainAbs;
        yDomainMin = center - yDomainAbs;
    }
    // add padding for data label