Avoid deeply nested control flow statements.

Open

          } else if (sp.from > pos && nextChange > sp.from) {
            nextChange = sp.from;
          }

Avoid deeply nested control flow statements.

Open

              if (pos < j) order.splice(at, 0, {from: pos, to: j, level: 1});

Avoid deeply nested control flow statements.

Open

            if (sp.to != null && nextChange > sp.to) { nextChange = sp.to; spanEndStyle = ""; }

Avoid deeply nested control flow statements.

Open

          if (atMediaTypes[stream.current()]) {
            style = "attribute"; // Known attribute
          } else if (/^(only|not)$/i.test(stream.current())) {
            style = "keyword";
          } else if (stream.current().toLowerCase() == "and") {

Avoid deeply nested control flow statements.

Open

            if (sameLine) (first || (first = [])).push(span);

Function updateDocNoUndo has 6 arguments (exceeds 4 allowed). Consider refactoring.

Open

  function updateDocNoUndo(cm, from, to, lines, selUpdate, origin) {

Avoid deeply nested control flow statements.

Open

            if (prev.nodeType == "pre") {
              var wrap = elt("div", null, null, "position: relative");
              prev.parentNode.replaceChild(wrap, prev);
              wrap.appendChild(prev);
              prev = wrap;

Avoid deeply nested control flow statements.

Open

            if (m.className) spanStyle += " " + m.className;

Method import_json has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

          def import_json json
            data = json.is_a?(String) ? ActiveSupport::JSON.decode(json) : json.map(&:stringify_keys!)

            import_destroy

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  Read up

Method resolve_with_interpolation has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

        def resolve_with_interpolation key
          if key.is_a? Symbol
            scope = @scopes.detect { |s| s.key? key }
            scope ||= @environments.detect { |s| s.key? key }
            scope[key] if scope

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  Read up

Consider simplifying this complex logical expression.

Open

      if (display.wheelStartX == null) {
        display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
        display.wheelDX = dx; display.wheelDY = dy;
        setTimeout(function() {
          if (display.wheelStartX == null) return;

Consider simplifying this complex logical expression.

Open

      if (endsAfter || marker.type == "bookmark" && span.from == endCh && span.from != startCh) {
        var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);
        (nw || (nw = [])).push({from: startsBefore ? null : span.from - endCh,
                                to: span.to == null ? null : span.to - endCh,
                                marker: marker});

Consider simplifying this complex logical expression.

Open

      if ((sp.from == null || sp.from < ch) &&
          (sp.to == null || sp.to > ch) &&
          (!found || found.width < sp.marker.width))
        found = sp.marker;

Consider simplifying this complex logical expression.

Open

    if (!cm.options.lineNumbers && !markers && !line.bgClass && !line.wrapClass &&
        (!line.widgets || !line.widgets.length)) return lineElement;

Consider simplifying this complex logical expression.

Open

    if (cur &&
        (history.lastOp == cm.curOp.id ||
         history.lastOrigin == origin && (origin == "input" || origin == "delete") &&
         history.lastTime > time - 600)) {
      // Merge this change into the last event

Function parseJS has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

  function parseJS(state, style, type, content, stream) {

Function setSelection has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

  function setSelection(cm, anchor, head, bias, checkAtomic) {

Function buildToken has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

  function buildToken(builder, text, style, startStyle, endStyle) {

Function cursorCoords has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

  function cursorCoords(cm, pos, context, lineObj, measurement) {

Function runMode has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

  function runMode(cm, text, mode, state, f) {