From 321683789915245ca937236c9b4d544a0a42a569 Mon Sep 17 00:00:00 2001
From: Xiaoji Chen <Pessimistress@users.noreply.github.com>
Date: Thu, 20 Sep 2018 23:09:44 -0700
Subject: [PATCH] Fix `getY0` prop on AreaSeries (#971)

---
 src/utils/scales-utils.js         |  9 +++++----
 tests/utils/scales-utils-tests.js | 30 ++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+), 4 deletions(-)

diff --git a/src/utils/scales-utils.js b/src/utils/scales-utils.js
index 443848159..f4b5bef9a 100644
--- a/src/utils/scales-utils.js
+++ b/src/utils/scales-utils.js
@@ -242,7 +242,8 @@ function _createScaleObjectForValue(attr, value, type, accessor, accessor0) {
       attr,
       baseValue: undefined,
       isValue: true,
-      accessor
+      accessor,
+      accessor0
     };
   }
   if (typeof value === 'undefined') {
@@ -256,7 +257,8 @@ function _createScaleObjectForValue(attr, value, type, accessor, accessor0) {
     attr,
     baseValue: undefined,
     isValue: true,
-    accessor
+    accessor,
+    accessor0
   };
 }
 
@@ -648,12 +650,11 @@ export function getAttributeFunctor(props, attr) {
 export function getAttr0Functor(props, attr) {
   const scaleObject = getScaleObjectFromProps(props, attr);
   if (scaleObject) {
-    const attr0 = `${attr}0`;
     const {domain} = scaleObject;
     const {baseValue = domain[0]} = scaleObject;
     const scaleFn = getScaleFnFromScaleObject(scaleObject);
     return d => {
-      const value = _getAttrValue(d, el => el[attr0]);
+      const value = _getAttrValue(d, scaleObject.accessor0);
       return scaleFn(_isDefined(value) ? value : baseValue);
     };
   }
diff --git a/tests/utils/scales-utils-tests.js b/tests/utils/scales-utils-tests.js
index 807e26589..7c5f559d5 100644
--- a/tests/utils/scales-utils-tests.js
+++ b/tests/utils/scales-utils-tests.js
@@ -152,6 +152,17 @@ test('scales-utils #getAttributeFunctor', t => {
     225,
     'should find the correct transformed value'
   );
+
+  // with custom accessor
+  result = getAttributeFunctor({xRange, xDomain, getX: d => d.value}, 'x');
+  t.ok(typeof result === 'function', 'Result should be a function');
+
+  t.equal(
+    result({data: {x: 10, value: 1}}),
+    0,
+    'should find the correct transformed value'
+  );
+
   t.end();
 });
 
@@ -190,6 +201,25 @@ test('scales-utils #getAttr0Functor', t => {
     'should find the correct transformed value'
   );
 
+  // with custom accessor
+  result = getAttr0Functor(
+    {
+      xRange,
+      _allData: exNaughtData,
+      getX0: d => d.z,
+      xDomain,
+      xType: 'literal',
+      xDistance
+    },
+    'x'
+  );
+  t.ok(typeof result === 'function', 'Result should be a function');
+  t.equal(
+    result({data: {x: 10, x0: 5, z: 1}}),
+    1,
+    'should find the correct transformed value'
+  );
+
   // now with a linear scale
   result = getAttr0Functor(
     {