73 lines
2.4 KiB
Go
73 lines
2.4 KiB
Go
package log
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import "io"
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// Config stores settings that control the logger's behavior.
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type Config struct {
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// Level is one of DebugLevel, InfoLevel, WarnLevel, ErrorLevel or FatalLevel.
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// Messages emitted by the logger must be 'at least' this level to be logged.
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Level logLevel
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// What colors are supported? Default is NoColor. Use ANSIColor to support
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// legacy terminal emulators, or ExtendedColor for modern 256-color support.
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Colors colorLevel
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// Which color theme are you using? The default is DarkTheme.
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Theme Theme
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// Where to write the log messages to? If not defined with a custom io.Writer,
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// the default goes to standard output for Debug and Info messages and
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// standard error for warnings, errors, and fatal messages.
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Writer io.Writer
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// How do you want to format your log lines? This should be a Go text format
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// string, with the following variable placeholders:
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//
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// {{.Time}} inserts the date/time stamp for the log message.
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// {{.Level}} inserts a label for the log level, e.g. "INFO" or "WARN"
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// {{.Message}} inserts the text of the log message itself.
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// {{.Primary}} inserts the color sequence for the primary color based
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// on the log level for the message.
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// {{.Secondary}} inserts the color sequence for the secondary color.
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// {{.Reset}} inserts the 'reset' color sequence to stop coloring
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// the rest of the text that follows.
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//
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// The default log format is as follows:
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//
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// {{.Secondary}}{{.Time}}{{.Reset}} {{.Primary}}[{{.Level}}]{{.Reset}} {{.Message}}
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Format string
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// How do you want to format your time stamps? (The `{{.Time}}`). This uses
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// the Go `time` module, so the TimeFormat should use their reference date/time.
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// The default TimeFormat is: `2006-01-02 15:04:05`
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TimeFormat string
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}
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// DefaultConfig returns a Config with the default values filled in.
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func DefaultConfig() *Config {
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return &Config{
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Theme: DarkTheme,
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Format: DefaultFormat,
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TimeFormat: DefaultTime,
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}
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}
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// Configure applies the configuration to the logger. If any of the following
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// keys are not defined (or have zero-values), the default value for the key will
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// be used instead:
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//
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// Format
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// TimeFormat
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func (l *Logger) Configure(cfg *Config) {
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// Important keys and their defaults.
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if cfg.Format == "" {
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cfg.Format = DefaultFormat
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}
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if cfg.TimeFormat == "" {
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cfg.TimeFormat = DefaultTime
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}
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l.Config = cfg
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l.template = nil
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}
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