mirror of https://github.com/grafana/grafana.git
57 lines
1.4 KiB
Go
57 lines
1.4 KiB
Go
package frontendlogging
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// ResolveSourceLocation resolves minified source location to original source location
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func ResolveSourceLocation(store *SourceMapStore, frame *Frame) (*Frame, error) {
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smap, err := store.getSourceMap(frame.Filename)
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if err != nil {
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return nil, err
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}
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if smap == nil {
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return nil, nil
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}
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file, function, line, col, ok := smap.consumer.Source(frame.Lineno, frame.Colno)
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if !ok {
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return nil, nil
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}
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// unfortunately in many cases go-sourcemap fails to determine the original function name.
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// not a big issue as long as file, line and column are correct
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if len(function) == 0 {
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function = "?"
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}
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return &Frame{
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Filename: file,
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Lineno: line,
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Colno: col,
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Function: function,
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}, nil
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}
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// TransformException will attempt to resolved all monified source locations in the stacktrace with original source locations
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func TransformException(ex *Exception, store *SourceMapStore) *Exception {
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if ex.Stacktrace == nil {
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return ex
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}
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frames := []Frame{}
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for _, frame := range ex.Stacktrace.Frames {
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frame := frame
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mappedFrame, err := ResolveSourceLocation(store, &frame)
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if err != nil {
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frames = append(frames, frame)
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} else if mappedFrame != nil {
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frames = append(frames, *mappedFrame)
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} else {
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frames = append(frames, frame)
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}
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}
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return &Exception{
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Type: ex.Type,
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Value: ex.Value,
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Stacktrace: &Stacktrace{Frames: frames},
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Timestamp: ex.Timestamp,
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}
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}
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