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Support the new Slack data visualization block (line, bar, area, pie) #91

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Merged
StephenTangCook merged 4 commits into from
Jun 24, 2026
Merged

Support the new Slack data visualization block (line, bar, area, pie) #91

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bc6446b
feat: ✨ support the data_visualization block (line, bar, area, pie ch…
claude Jun 16, 2026
e069e85
docs: 📝 complete the Supported Blocks table
claude Jun 16, 2026
4e2e246
feat: ✨ smooth curves + interactive hover for data_visualization charts
claude Jun 16, 2026
9f2af7f
refactor: ⚡️ memoize chart geometry, dedupe series stroke, complete r…
claude Jun 16, 2026
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115 changes: 115 additions & 0 deletions playground/src/fixtures.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -238,4 +238,119 @@ export const FIXTURES: Fixture[] = [
},
],
},
{
id: "data-visualization",
label: "Data visualization · charts",
blocks: [
{
type: "data_visualization",
block_id: "viz-line-multi",
title: "Weekly active users by platform",
chart: {
type: "line",
series: [
{
name: "Desktop",
data: [
{ label: "Mon", value: 800 },
{ label: "Tue", value: 920 },
{ label: "Wed", value: 880 },
{ label: "Thu", value: 1010 },
{ label: "Fri", value: 1120 },
],
},
{
name: "Mobile",
data: [
{ label: "Mon", value: 400 },
{ label: "Tue", value: 530 },
{ label: "Wed", value: 500 },
{ label: "Thu", value: 590 },
{ label: "Fri", value: 600 },
],
},
],
axis_config: {
categories: ["Mon", "Tue", "Wed", "Thu", "Fri"],
x_label: "Day",
y_label: "Users",
},
},
},
{
type: "data_visualization",
block_id: "viz-bar-negative",
title: "Net headcount change",
chart: {
type: "bar",
series: [
{
name: "Delta",
data: [
{ label: "Mon", value: 4 },
{ label: "Tue", value: -2 },
{ label: "Wed", value: 6 },
{ label: "Thu", value: -1 },
{ label: "Fri", value: 3 },
],
},
],
axis_config: {
categories: ["Mon", "Tue", "Wed", "Thu", "Fri"],
x_label: "Day",
y_label: "People (delta)",
},
},
},
{
type: "data_visualization",
block_id: "viz-area-multi",
title: "Concurrent users by platform",
chart: {
type: "area",
series: [
{
name: "Desktop",
data: [
{ label: "Mon", value: 2800 },
{ label: "Tue", value: 3000 },
{ label: "Wed", value: 3400 },
{ label: "Thu", value: 3200 },
{ label: "Fri", value: 3500 },
],
},
{
name: "Mobile",
data: [
{ label: "Mon", value: 1400 },
{ label: "Tue", value: 1500 },
{ label: "Wed", value: 1700 },
{ label: "Thu", value: 1600 },
{ label: "Fri", value: 1800 },
],
},
],
axis_config: {
categories: ["Mon", "Tue", "Wed", "Thu", "Fri"],
x_label: "Day",
y_label: "Users",
},
},
},
{
type: "data_visualization",
block_id: "viz-pie-multi",
title: "Plan distribution by tier",
chart: {
type: "pie",
segments: [
{ label: "Free", value: 4200 },
{ label: "Pro", value: 2300 },
{ label: "Business+", value: 1100 },
{ label: "Enterprise", value: 480 },
],
},
},
],
},
];
43 changes: 26 additions & 17 deletions readme.md
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Expand Up @@ -125,23 +125,27 @@ const blocks: Block[] = [

## Supported Blocks

| Block Type | Status | Notes |
| --------------- | ------- | ------------------------------------------------------------ |
| Section | ✅ Full | Text, fields, accessories, `expand` property |
| Divider | ✅ Full | Horizontal divider |
| Image | ✅ Full | Collapsible with alt text, `slack_file` support |
| Context | ✅ Full | Images and text elements |
| Header | ✅ Full | Large bold text |
| Rich Text | ✅ Full | Lists, quotes, preformatted, sections, color elements |
| Video | ✅ Full | Collapsible video embed |
| Table | ✅ Full | Rows, columns, alignment |
| Actions | ✅ Full | All interactive element types supported |
| Input | ✅ Full | All input element types supported |
| File | ✅ Full | Remote file display |
| Context Actions | ✅ Full | Feedback buttons and icon buttons |
| Markdown | ✅ Full | Standard markdown with GFM (tables, task lists, code blocks) |
| Plan | ✅ Full | Sequential task display with status indicators |
| Task Card | ✅ Full | Individual task with title, details, output, sources, status |
| Block Type | Status | Notes |
| ------------------ | ------- | ------------------------------------------------------------ |
| Section | ✅ Full | Text, fields, accessories, `expand` property |
| Divider | ✅ Full | Horizontal divider |
| Image | ✅ Full | Collapsible with alt text, `slack_file` support |
| Context | ✅ Full | Images and text elements |
| Header | ✅ Full | Large bold text with `level` (H1–H4) heading sizes |
| Rich Text | ✅ Full | Lists, quotes, preformatted, sections, color elements |
| Video | ✅ Full | Collapsible video embed |
| Table | ✅ Full | Rows, columns, alignment |
| Actions | ✅ Full | All interactive element types supported |
| Input | ✅ Full | All input element types supported |
| File | ✅ Full | Remote file display |
| Context Actions | ✅ Full | Feedback buttons and icon buttons |
| Markdown | ✅ Full | Standard markdown with GFM (tables, task lists, code blocks) |
| Alert | ✅ Full | Status banner with info / warning / error / success levels |
| Card | ✅ Full | Title, subtitle, body, image, icon, and action buttons |
| Carousel | ✅ Full | Horizontally-scrollable gallery of up to 10 cards |
| Plan | ✅ Full | Sequential task display with status indicators |
| Task Card | ✅ Full | Individual task with title, details, output, sources, status |
| Data Visualization | ✅ Full | Line, bar, area, and pie charts; legend, axes, table & CSV |

## Supported Elements

Expand Down Expand Up @@ -408,11 +412,16 @@ import type {
InputBlock,
RichTextBlock,
VideoBlock,
TableBlock,
FileBlock,
ContextActionsBlock,
MarkdownBlock,
PlanBlock,
TaskCardBlock,
AlertBlock,
CardBlock,
CarouselBlock,
DataVisualizationBlock,

// Element types
ButtonElement,
Expand Down
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