43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
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package logger
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import (
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"log/slog"
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"os"
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)
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// LoggerLevel expresses the desired logging verbosity. Unlike a full log-level
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// enum, it only distinguishes between a verbose development mode and a quieter
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// production mode; it is converted to an slog.Level by New.
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type LoggerLevel int
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const (
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// Development enables debug-level output, suitable for local development.
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Development LoggerLevel = iota
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// Production limits output to info level and above.
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Production
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)
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// toSlogLevel converts a LoggerLevel into the corresponding slog.Level,
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// defaulting to info for any unrecognized value.
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func toSlogLevel(level LoggerLevel) slog.Level {
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switch level {
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case Development:
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return slog.LevelDebug
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case Production:
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return slog.LevelInfo
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default:
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return slog.LevelInfo
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}
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}
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// New creates a *slog.Logger that writes to os.Stderr via slog's default
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// TextHandler, with its verbosity driven by the given LoggerLevel. This
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// replaces the legacy module-level singleton LOGGER; callers own the returned
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// logger and thread it through to sub-modules.
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func New(level LoggerLevel) *slog.Logger {
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handler := slog.NewTextHandler(os.Stderr, &slog.HandlerOptions{
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Level: toSlogLevel(level),
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})
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return slog.New(handler)
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}
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