30 lines
1.2 KiB
TypeScript
30 lines
1.2 KiB
TypeScript
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/** Indicates the severity of a log message.
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*
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* Log Levels are ordered in increasing severity. So `Debug` is more severe than `Trace`, etc.
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*/
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export declare enum LogLevel {
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/** Log level for very low severity diagnostic messages. */
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Trace = 0,
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/** Log level for low severity diagnostic messages. */
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Debug = 1,
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/** Log level for informational diagnostic messages. */
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Information = 2,
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/** Log level for diagnostic messages that indicate a non-fatal problem. */
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Warning = 3,
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/** Log level for diagnostic messages that indicate a failure in the current operation. */
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Error = 4,
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/** Log level for diagnostic messages that indicate a failure that will terminate the entire application. */
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Critical = 5,
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/** The highest possible log level. Used when configuring logging to indicate that no log messages should be emitted. */
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None = 6
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}
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/** An abstraction that provides a sink for diagnostic messages. */
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export interface ILogger {
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/** Called by the framework to emit a diagnostic message.
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*
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* @param {LogLevel} logLevel The severity level of the message.
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* @param {string} message The message.
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*/
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log(logLevel: LogLevel, message: string): void;
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}
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