Function visualLineNo

lib/web/CodeMirror/src/line/spans.js:281–285

(doc, lineN)

// Get the line number of the start of the visual line that the
// given line number is part of.
export function visualLineNo(doc, lineN) {
  let line = getLine(doc, lineN), vis = visualLine(line)
  if (line == vis) return lineN
  return lineNo(vis)
}

// Get the line number of the start of the next visual line after
// the given line.