From 9d882e7a8b4403aaf0902e26098bda9b9d5f81d9 Mon Sep 17 00:00:00 2001
From: apanizo <adolfo.panizo@gmail.com>
Date: Wed, 3 Oct 2018 17:35:19 +0200
Subject: [PATCH] Adding helper function to calculate penultimate and last page
 in Stepper

---
 src/components/Stepper/index.jsx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/components/Stepper/index.jsx b/src/components/Stepper/index.jsx
index 06c56497..882028d1 100644
--- a/src/components/Stepper/index.jsx
+++ b/src/components/Stepper/index.jsx
@@ -129,13 +129,16 @@ class GnoStepper extends React.PureComponent<Props, State> {
     return this.next(values)
   }
 
+  isLastPage = page => page === this.props.steps.length - 1
+
   render() {
     const {
       steps, children, classes, disabledWhenValidating = false,
     } = this.props
     const { page, values } = this.state
     const activePage = this.getActivePageFrom(children)
-    const isLastPage = page === steps.length - 1
+    const lastPage = this.isLastPage(page)
+    const penultimate = this.isLastPage(page + 1)
 
     return (
       <React.Fragment>
@@ -153,7 +156,8 @@ class GnoStepper extends React.PureComponent<Props, State> {
                   disabled={disabled}
                   onPrevious={this.previous}
                   firstPage={page === 0}
-                  lastPage={isLastPage}
+                  lastPage={lastPage}
+                  penultimate={penultimate}
                 />
               </React.Fragment>
             )