Apply chord shift to both chord and its base

1 files changed, 9 insertions, 0 deletions

diff --git a/public/main.js b/public/main.js
index 46ce5e0..bfbc65a 100644
--- a/public/main.js
+++ b/public/main.js
@@ -30,6 +30,15 @@ function getShift(t1, t2) {
 }
 
 function applyShift(tonalities, t1, s) {
+  const xs = t1.split('/')
+  if (xs.length > 1) {
+      return `${applyShiftChord(tonalities, xs[0], s)}/${applyShiftChord(tonalities, xs[1], s)}`
+  } else {
+      return applyShiftChord(tonalities, t1, s)
+  }
+}
+
+function applyShiftChord(tonalities, t1, s) {
   let root = getRoot(t1)
   const mode = t1.substring(root.length)
   const index = tonalities_b.indexOf(root) > -1 ? tonalities_b.indexOf(root) : tonalities_s.indexOf(root)