Function init

src/index.ts:92–115

* Init chart instance * @param ds * @param options * @returns {Chart}

(ds: HTMLElement | string, options?: Options)

 * @returns {Chart}
 */
function init (ds: HTMLElement | string, options?: Options): Nullable<Chart> {
  logTag()
  let dom: Nullable<HTMLElement> = null
  if (isString(ds)) {
    dom = document.getElementById(ds)
  } else {
    dom = ds
  }
  if (dom === null) {
    logError('', '', 'The chart cannot be initialized correctly. Please check the parameters. The chart container cannot be null and child elements need to be added!!!')
    return null
  }
  let chart = charts.get(dom.id)
  if (isValid(chart)) {
    logWarn('', '', 'The chart has been initialized on the dom！！！')
    return chart
  }
  const id = `k_line_chart_${chartBaseId++}`
  chart = new ChartImp(dom, options)
  chart.id = id
  dom.setAttribute('k-line-chart-id', id)
  charts.set(id, chart)
  return chart
}

/**
 * Destroy chart instance