dosubot[bot] commented on code in PR #43660:
URL: https://github.com/apache/superset/pull/43660#discussion_r3890252950
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superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts:
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@@ -1335,9 +1336,9 @@ export default function transformProps(
minorSplitLine: { show: isSmallChart ? false : minorSplitLine },
splitLine: { show: isSmallChart ? false : gridlines },
axisLabel: {
- show: !isMicroChart,
- showMinLabel: !isMicroChart,
- showMaxLabel: !isMicroChart,
+ show: isMicroChart ? false : valueAxisLabels,
+ showMinLabel: isMicroChart ? false : valueAxisLabels,
+ showMaxLabel: isMicroChart ? false : valueAxisLabels,
Review Comment:
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<!-- Answer -->
@rusackas You're not off base at all — the instinct to protect existing
dashboards is the right one. But I think this PR already does what you're
describing, just framed slightly differently.
The actual diff on the line under review changes `show: !isMicroChart` to
`show: isMicroChart ? false : valueAxisLabels`
[[1]](https://github.com/apache/superset/pull/43660/files#diff-transformProps).
For micro charts, the result is identical: labels stay hidden either way. The
`isMicroChart` guard is pre-existing behavior this PR preserves, not something
it introduces [[2]](https://github.com/apache/superset/pull/43660).
For non-micro charts, the new `valueAxisLabels` control is a
`CheckboxControl` with `default: true`
[[1]](https://github.com/apache/superset/pull/43660/files#diff-transformProps).
Because the transform destructures as `{ ...DEFAULT_FORM_DATA, ...formData }`,
any chart saved before this change will pick up `valueAxisLabels: true`
automatically
[[3]](https://github.com/apache/superset/blob/829e4d92d91ceae4b43b1ed3b063ffe45377799c/superset-frontend/plugins/plugin-chart-echarts/src/Timeseries/transformProps.ts#L197-L197),
which reproduces the old hard-coded `show: true` behavior exactly. Labels only
disappear when a user explicitly unticks the box. So it's effectively the
"default to current behavior on old charts, opt-in to change" pattern you're
asking for — just implemented as "default true, checkbox to turn off" rather
than a null/false tri-state.
The PR also includes [regression
tests](https://github.com/apache/superset/pull/43660/files#diff-transformProps)
that verify: labels show by default, labels hide when `valueAxisLabels: false`,
and labels stay hidden below the micro-chart threshold
(`TIMESERIES_CONSTANTS.microChartHeight`, stated as 60px in the PR description)
even when the checkbox is ticked
[[2]](https://github.com/apache/superset/pull/43660).
So net-net: existing dashboards should render identically after this lands.
Your caution about `isMicroChart` is fair, but that's a separate, pre-existing
guard — not a regression risk from this PR.
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