Function getLineContent

external/.scrollLibs.js:3353–3361

(cm, lineView)

  // Wrapper around buildLineContent which will reuse the structure
  // in display.externalMeasured when possible.
  function getLineContent(cm, lineView) {
    var ext = cm.display.externalMeasured
    if (ext && ext.line == lineView.line) {
      cm.display.externalMeasured = null
      lineView.measure = ext.measure
      return ext.built
    }
    return buildLineContent(cm, lineView)
  }

  // Redraw the line's text. Interacts with the background and text
  // classes because the mode may output tokens that influence these