fix: linear NaN error

antvis · Aug 19, 2020 · 482c49d · 482c49d
1 parent 34e170e
commit 482c49d
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Showing 2 changed files with 12 additions and 1 deletion.
diff --git a/src/scale/linear-tick.js b/src/scale/linear-tick.js
@@ -3,7 +3,10 @@ const SNAP_COUNT_ARRAY = [ 1, 1.2, 1.5, 2, 2.2, 2.4, 2.5, 3, 4, 5, 6, 7.5, 8, 10
 const DEFAULT_COUNT = 5; // 默认刻度值
 
 export default cfg => {
-  const { min, max, tickCount, tickInterval } = cfg || {};
+  const { tickCount, tickInterval } = cfg || {};
+  let { min, max } = cfg || {};
+  min = isNaN(min) ? 0 : min;
+  max = isNaN(max) ? 0 : max;
 
   let count = tickCount && tickCount >= 2 ? tickCount : DEFAULT_COUNT;
 

diff --git a/test/unit/scale/linear-tick-spec.js b/test/unit/scale/linear-tick-spec.js
@@ -98,6 +98,14 @@ describe('linear-tick', function() {
     expect(tick).toEqual([ 0, 1, 2, 3, 4 ]);
   });
 
+  it('max === min NaN', function() {
+    const tick = linearTick({
+      min: NaN,
+      max: NaN
+    });
+    expect(tick).toEqual([ 0, 1, 2, 3, 4 ]);
+  });
+
   it('recursive to best ticks', function() {
     const tick = linearTick({
       min: -0.001,