@chartts/arrow

Apache Arrow adapter for Chartts. Import Arrow tables as chart data.

Install

npm install @chartts/arrow @chartts/core

Uses apache-arrow for Arrow serialization.

Usage

import { fromArrow, toArrow, toArrowIPC } from "@chartts/arrow"

// From IPC buffer
const response = await fetch("/data/metrics.arrow")
const buffer = await response.arrayBuffer()
const data = fromArrow(buffer)

// From an existing Arrow Table
import { tableFromIPC } from "apache-arrow"
const table = tableFromIPC(buffer)
const data2 = fromArrow(table)

// Export ChartData to Arrow Table
const arrowTable = toArrow(chart.data)

// Export to IPC bytes
const ipcBytes = toArrowIPC(chart.data)

API

fromArrow(input, options?)

Converts an Arrow Table, ArrayBuffer, or Uint8Array into ChartData.

| Option | Type | Default | Description | |--------|------|---------|-------------| | labelColumn | string | first non-numeric | Column to use as labels | | seriesColumns | string[] | all numeric | Columns to use as series |

toArrow(data, options?)

Converts ChartData to an Arrow Table.

toArrowIPC(data, options?)

Converts ChartData to Arrow IPC format (Uint8Array).

| Option | Type | Default | Description | |--------|------|---------|-------------| | labelColumnName | string | "label" | Name for the label column |

Part of Chartts

Beautiful charts. Tiny bundle. Every framework.

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License

MIT