Function savePlotChart

savePlotChart(data, makeChart, path): Promise<void>

Saves an Observable Plot chart as an image. You must use the Plot.dot syntax and install puppeeter (npm i puppeeter).

// The data must be an array of objects.
const data = [{ salary: 75000, hireDate: new Date("2023-12-22") }, ...]

// The Plot options must be wrapped into a function.
const chart = () => Plot.plot({
 marks: [
   Plot.dot(data, {x: "hireDate", y: "salary"})
 ]
})

// Change the extension to .jpg to get a JPEG file.
const path = "./my-chart.png"

await savePlotChart(data, chart, path)

Parameters

data: {
[key: string]: unknown;
}[]
makeChart: ((data) => SVGSVGElement | HTMLElement)
- - (data): SVGSVGElement | HTMLElement
  - Parameters
    - data: {
      [key: string]: unknown;
      }[]
    Returns SVGSVGElement | HTMLElement
path: string

Returns Promise<void>