fix(scale): zero domain min and max

__tests__/plots/static/basic-interval-zero-domain-min.ts

@@ -0,0 +1,21 @@
+import { G2Spec } from '../../../src';
+
+export async function basicIntervalZeroDomainMin(): Promise<G2Spec> {
+  return {
+    type: 'interval',
+    data: [
+      { name: 'MODIFY', value: 138, washaway: 0.21014492753623193 },
+      { name: 'PRERELEASE', value: 109, washaway: 0.5596330275229358 },
+      { name: 'RELEASING', value: 48, washaway: 0 },
+      { name: 'XXX', value: -48, washaway: 0 },
+    ],
+    encode: {
+      x: 'name',
+      y: 'value',
+      color: 'name',
+    },
+    scale: {
+      y: { domainMin: 0 },
+    },
+  };
+}

__tests__/plots/static/index.ts

@@ -202,3 +202,4 @@ export { mockPointLogTicks } from './mock-point-log-ticks';
 export { alphabetIntervalLabelRotate } from './alphabet-interval-label-rotate';
 export { aaplLineBasicTranspose } from './aapl-line-basic-transpose';
 export { alphabetIntervalSortXDomain } from './alphabet-interval-sort-x-domain';
+export { basicIntervalZeroDomainMin } from './basic-interval-zero-domain-min';

src/runtime/scale.ts

@@ -200,7 +200,7 @@
     case 'quantize':
     case 'threshold': {
       const [d0, d1] = inferDomainQ(values, options);
-      return [domainMin || d0, domainMax || d1];
+      return [domainMin ?? d0, domainMax ?? d1];
     }
     case 'band':
     case 'ordinal':
@@ -210,7 +210,7 @@
       return inferDomainO(values);
     case 'sequential': {
       const [d0, d1] = inferDomainS(values);
-      return [domainMin || d0, domainMax || d1];
+      return [domainMin ?? d0, domainMax ?? d1];
     }
     default:
       return [];
@@ -316,8 +316,8 @@
   const fullName = upperFirst(palette);
 
   // If scheme have enough colors, then return pre-defined colors.
   const scheme = d3ScaleChromatic[`scheme${fullName}`];
   const interpolator = d3ScaleChromatic[`interpolate${fullName}`];
   if (!scheme && !interpolator) return null;
 
   if (scheme) {