1  import { lineWidth } from './line-width-cache.js'
 2  
 3  export function widestLine(string: string): number {
 4    let maxWidth = 0
 5    let start = 0
 6  
 7    while (start <= string.length) {
 8      const end = string.indexOf('\n', start)
 9      const line =
10        end === -1 ? string.substring(start) : string.substring(start, end)
11  
12      maxWidth = Math.max(maxWidth, lineWidth(line))
13  
14      if (end === -1) break
15      start = end + 1
16    }
17  
18    return maxWidth
19  }