Function getTextWidth

packages/editor/src/layout/layout_constants.ts:27–34

(text: string, font: string)

 * @see https://stackoverflow.com/questions/118241/calculate-text-width-with-javascript/21015393#21015393
 */
export function getTextWidth(text: string, font: string) {
  // re-use canvas object for better performance
  const canvas = getTextWidth['canvas'] || (getTextWidth['canvas'] = document.createElement('canvas'))
  const context = canvas.getContext('2d')
  context.font = font
  const metrics = context.measureText(text)
  return metrics.width
}

export function getStringPreHeight(text: string, maxWidth: number) {
  let pre: HTMLPreElement = getStringPreHeight['pre']