forked from Mirrors/bubbletea
40 lines
919 B
Go
40 lines
919 B
Go
package tea
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import (
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"log"
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"os"
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"unicode"
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)
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// LogToFile sets up default logging to log to a file. This is helpful as we
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// can't print to the terminal since our TUI is occupying it. If the file
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// doesn't exist it will be created.
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//
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// Don't forget to close the file when you're done with it.
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//
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// f, err := LogToFile("debug.log", "debug")
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// if err != nil {
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// fmt.Println("fatal:", err)
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// os.Exit(1)
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// }
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// defer f.Close()
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func LogToFile(path string, prefix string) (*os.File, error) {
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f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0o644)
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if err != nil {
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return nil, err
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}
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log.SetOutput(f)
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// Add a space after the prefix if a prefix is being specified and it
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// doesn't already have a trailing space.
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if len(prefix) > 0 {
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finalChar := prefix[len(prefix)-1]
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if !unicode.IsSpace(rune(finalChar)) {
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prefix += " "
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}
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}
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log.SetPrefix(prefix)
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return f, nil
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}
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