feat(坐标轴): 支持显示纵轴单位

src/components/core/layout.ts

@@ -103,6 +103,7 @@ export function axisTextMetrics(
   domain: [number, number],
   nice = true,
   tickValues?: number[],
+  unit?: string,
 ): { tickTextWidth: number } {
   const scale = scaleLinear(domain, [1, 0])
   if (nice) scale.nice()
@@ -112,7 +113,7 @@ export function axisTextMetrics(
   const maximumTickCharacters = Math.max(
     1,
     ...values.map(
-      (value) => formatScientificAxisLabel(value, { axisMin, axisMax, topTickValue }).length,
+      (value) => formatScientificAxisLabel(value, { axisMin, axisMax, topTickValue, unit }).length,
     ),
   )
   return {
@@ -122,7 +123,8 @@ export function axisTextMetrics(
 
 export function measureYAxisGroupClearance(group: YAxisSeriesGroup): number {
   return (
-    axisTextMetrics(group.domain, !group.fixed).tickTextWidth +
+    axisTextMetrics(group.domain, !group.fixed, undefined, group.seriesList[0]?.unit)
+      .tickTextWidth +
     Y_AXIS_TICK_PADDING +
     Y_AXIS_LABEL_GAP +
     Y_AXIS_LABEL_BAND_WIDTH +
@@ -132,7 +134,8 @@ export function measureYAxisGroupClearance(group: YAxisSeriesGroup): number {
 
 function measureYAxisGroupTickClearance(group: YAxisSeriesGroup): number {
   return (
-    axisTextMetrics(group.domain, !group.fixed).tickTextWidth +
+    axisTextMetrics(group.domain, !group.fixed, undefined, group.seriesList[0]?.unit)
+      .tickTextWidth +
     Y_AXIS_TICK_PADDING +
     Y_AXIS_OUTER_PADDING
   )

src/components/core/trackLayoutBuilder.ts

@@ -135,7 +135,12 @@ export function buildTrackLayouts(options: BuildTrackLayoutsOptions): TrackLayou
       const tickValues = Array.from(
         new Set([axisStart, ...visibleMajorTicks, ...(showAxisEnd ? [axisEnd] : [])]),
       )
-      const { tickTextWidth } = axisTextMetrics(group.domain, !group.fixed, tickValues)
+      const { tickTextWidth } = axisTextMetrics(
+        group.domain,
+        !group.fixed,
+        tickValues,
+        group.seriesList[0]?.unit,
+      )
       const clearance =
         tickTextWidth +
         Y_AXIS_TICK_PADDING +

src/components/core/useWaveformLayout.ts

@@ -112,7 +112,11 @@ export function useWaveformLayout(context: LayoutContext) {
       .flatMap((track) =>
         resolveYAxisSeriesGroups(track, props.overlayMode, props.yDomain, props.yDomains),
       )
-      .map((group) => axisTextMetrics(group.domain, !group.fixed).tickTextWidth)
+      .map(
+        (group) =>
+          axisTextMetrics(group.domain, !group.fixed, undefined, group.seriesList[0]?.unit)
+            .tickTextWidth,
+      )
     const tickTextWidth = Math.max(Y_AXIS_CHARACTER_WIDTH, ...axisText)
     const tickClearance = tickTextWidth + Y_AXIS_TICK_PADDING + Y_AXIS_OUTER_PADDING
     const labelCenterX = -(

src/components/rendering/WaveformTrackAxes.vue

@@ -44,9 +44,10 @@ function renderAxes() {
     if (!element) return
     const [axisMin, axisMax] = axis.scale.domain()
     const topTickValue = Math.max(...axis.tickValues)
+    const unit = axis.seriesList[0]?.unit
     const yAxis = (axis.side === 'left' ? axisLeft(axis.scale) : axisRight(axis.scale))
       .tickFormat((value) =>
-        formatScientificAxisLabel(Number(value), { axisMin, axisMax, topTickValue }),
+        formatScientificAxisLabel(Number(value), { axisMin, axisMax, topTickValue, unit }),
       )
       .tickSize(-4)
       .tickPadding(7)

src/components/waveformChartCases/dataLifecycle.test.ts

@@ -158,6 +158,12 @@ describe('WaveformChart', () => {
     expect(paths[0].attributes('data-series-name')).toBe('BT2_2M')
     const yAxisLabels = wrapper.findAll('.waveform-chart__y-axis-label')
     expect(yAxisLabels.map((label) => label.text())).toEqual(['BT2_2M', 'BT1_2M'])
+    expect(
+      wrapper
+        .findAll('.waveform-chart__axis--y .tick text')
+        .map((label) => label.text())
+        .some((label) => label.includes('(T)')),
+    ).toBe(true)
     expect(yAxisLabels.map((label) => label.attributes('fill'))).toEqual(['#0960bd', '#ff7f0e'])
     const labelX = Number(
       yAxisLabels[0].attributes('transform')?.match(/^translate\(([-\d.]+),/)?.[1],

src/components/waveformChartCases/multiAxisAndPagination.test.ts

@@ -15,6 +15,7 @@ describe('WaveformChart', () => {
           {
             trackId: 'shared-frame',
             name: '普通量程',
+            unit: 'V',
             data: {
               kind: 'points',
               points: [
@@ -26,6 +27,7 @@ describe('WaveformChart', () => {
           {
             trackId: 'shared-frame',
             name: '大量程',
+            unit: 'A',
             data: {
               kind: 'points',
               points: [
@@ -37,6 +39,7 @@ describe('WaveformChart', () => {
           {
             trackId: 'shared-frame',
             name: '小量程',
+            unit: 'T',
             data: {
               kind: 'points',
               points: [
@@ -57,7 +60,11 @@ describe('WaveformChart', () => {
           .map((label) => label.text())
           .filter((label) => label.startsWith('E')),
       ),
-    ).toEqual([[], [expect.stringMatching(/^E\+03 /)], [expect.stringMatching(/^E-04 /)]])
+    ).toEqual([
+      [],
+      [expect.stringMatching(/^E\+03 \(A\) /)],
+      [expect.stringMatching(/^E-04 \(T\) /)],
+    ])
   })
 
   it('reprojects annotations with the Y axis assigned to their series', async () => {