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Add support for the Block Kit `data_visualization` layout block to slack-api-model. A data visualization renders a pie, bar, area, or line chart from supplied data. - Add DataVisualizationBlock model (title, chart, block_id) following existing LayoutBlock conventions, plus nested DataVisualizationChart, DataVisualizationSegment (pie), DataVisualizationSeries and DataVisualizationDataPoint (bar/area/line), and DataVisualizationAxisConfig. - Register data_visualization in GsonLayoutBlockFactory for deserialization. - Add a Blocks.dataVisualization(...) DSL helper. - Add BlockKitTest cases covering pie/bar JSON parsing and builder round-trip. Ref: https://docs.slack.dev/reference/block-kit/blocks/data-visualization-block Co-Authored-By: Claude <svc-devxp-claude@slack-corp.com>
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Summary
Adds support for the Block Kit
data_visualizationlayout block toslack-api-model. A data visualization renders a chart (pie, bar, area, or line) from supplied data.DataVisualizationBlock— top-level layout block (title,chart,block_id), following existingLayoutBlockconventions (Lombok@Data @Builder @NoArgsConstructor @AllArgsConstructor,public static final String TYPE).DataVisualizationChart—type(pie/bar/area/line),segments(pie),series+axisConfig(bar/area/line).DataVisualizationSegment—label,value(pie segment).DataVisualizationSeries—name,data(bar/area/line series).DataVisualizationDataPoint—label,value(series data point).DataVisualizationAxisConfig—categories,xLabel,yLabel.data_visualizationinGsonLayoutBlockFactoryfor deserialization.Blocks.dataVisualization(...)DSL helper.BlockKitTestcases: pie-chart parsing, bar-chart-with-axis-config parsing, and a builder round-trip.This is net-new in all SDKs; one block per PR.
Docs
https://docs.slack.dev/reference/block-kit/blocks/data-visualization-block
Validation
Run with a JDK 21 toolchain (
JAVA_HOMEpointed at zulu-21) since the repo's pinned JaCoCo 0.8.7 agent cannot instrument JDK 25 classes — a pre-existing toolchain limitation unrelated to this change. The JaCoCo agent was bypassed via-DargLine=" "to run the tests../mvnw -pl slack-api-model test -Dtest=BlockKitTest -DargLine=" "→ Tests run: 46, Failures: 0, Errors: 0 (includes the 3 new cases). PASS./mvnw -pl slack-api-model test -DargLine=" "(full module) → Tests run: 477, Failures: 0, Errors: 0. PASSNote: this repo does not use changesets (Maven, no
.changeset/), so none was added.Co-Authored-By: Claude svc-devxp-claude@slack-corp.com
🤖 Generated with Claude Code