mapcomplete/UI/Base/ChartJs.ts

38 lines
1.2 KiB
TypeScript

import BaseUIElement from "../BaseUIElement"
import { Chart, ChartConfiguration, ChartType, DefaultDataPoint, registerables } from "chart.js"
Chart?.register(...(registerables ?? []))
export default class ChartJs<
TType extends ChartType = ChartType,
TData = DefaultDataPoint<TType>,
TLabel = unknown
> extends BaseUIElement {
private readonly _config: ChartConfiguration<TType, TData, TLabel>
constructor(config: ChartConfiguration<TType, TData, TLabel>) {
super()
this._config = config
}
protected InnerConstructElement(): HTMLElement {
const canvas = document.createElement("canvas")
// A bit exceptional: we apply the styles before giving them to 'chartJS'
if (this.style !== undefined) {
canvas.style.cssText = this.style
}
if (this.clss?.size > 0) {
try {
canvas.classList.add(...Array.from(this.clss))
} catch (e) {
console.error(
"Invalid class name detected in:",
Array.from(this.clss).join(" "),
"\nErr msg is ",
e
)
}
}
new Chart(canvas, this._config)
return canvas
}
}