From 19f70fa452a34e21d6b3450d9b0e6dbedc7d2b5c Mon Sep 17 00:00:00 2001
From: Curran Kelleher <curran.kelleher@gmail.com>
Date: Wed, 17 Jun 2020 10:58:44 -0400
Subject: [PATCH 1/3] Expose pad from linear.

---
 src/linear.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/linear.js b/src/linear.js
index b91f712..df80e32 100644
--- a/src/linear.js
+++ b/src/linear.js
@@ -70,3 +70,8 @@ export default function linear() {
 
   return linearish(scale);
 }
+
+export function pad([x0, x1], k) {
+  const dx = (x1 - x0) * k / 2;
+  return [x0 - dx, x1 + dx];
+}

From b8bdb34efde3ae76093cd9b1dc61368b43dd1e7b Mon Sep 17 00:00:00 2001
From: Curran <curran.kelleher@gmail.com>
Date: Wed, 17 Jun 2020 11:09:09 -0400
Subject: [PATCH 2/3] Expose padLinear, add tests

---
 src/index.js        | 3 ++-
 src/linear.js       | 2 +-
 test/linear-test.js | 6 ++++++
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/index.js b/src/index.js
index 510103c..ba317c7 100644
--- a/src/index.js
+++ b/src/index.js
@@ -8,7 +8,8 @@ export {
 } from "./identity.js";
 
 export {
-  default as scaleLinear
+  default as scaleLinear,
+  pad as padLinear
 } from "./linear.js";
 
 export {
diff --git a/src/linear.js b/src/linear.js
index df80e32..d52efca 100644
--- a/src/linear.js
+++ b/src/linear.js
@@ -72,6 +72,6 @@ export default function linear() {
 }
 
 export function pad([x0, x1], k) {
-  const dx = (x1 - x0) * k / 2;
+  var dx = (x1 - x0) * k / 2;
   return [x0 - dx, x1 + dx];
 }
diff --git a/test/linear-test.js b/test/linear-test.js
index 62de558..5d1d57b 100644
--- a/test/linear-test.js
+++ b/test/linear-test.js
@@ -509,3 +509,9 @@ tape("linear.copy() returns a copy with changes to the unknown value are isolate
   test.equal(x.unknown(), 2);
   test.end();
 });
+
+tape.only("padLinear returns a padded domain array", function(test) {
+  test.deepEqual(scale.padLinear([0, 8], 0.5), [-2, 10])
+  test.deepEqual(scale.padLinear([0, 8], 0.25), [-1, 9])
+  test.end();
+});

From 662820d9801345565471efaa17b45cc947763964 Mon Sep 17 00:00:00 2001
From: Curran <curran.kelleher@gmail.com>
Date: Wed, 17 Jun 2020 11:14:19 -0400
Subject: [PATCH 3/3] Bring back all tests.

---
 test/linear-test.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/linear-test.js b/test/linear-test.js
index 5d1d57b..e239552 100644
--- a/test/linear-test.js
+++ b/test/linear-test.js
@@ -510,7 +510,7 @@ tape("linear.copy() returns a copy with changes to the unknown value are isolate
   test.end();
 });
 
-tape.only("padLinear returns a padded domain array", function(test) {
+tape("padLinear returns a padded domain array", function(test) {
   test.deepEqual(scale.padLinear([0, 8], 0.5), [-2, 10])
   test.deepEqual(scale.padLinear([0, 8], 0.25), [-1, 9])
   test.end();