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enum LogLevel { |
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ERROR, |
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WARN, |
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INFO, |
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DEBUG, |
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} |
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|
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/** |
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* This is equivalent to: |
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* type LogLevelStrings = 'ERROR' | 'WARN' | 'INFO' | 'DEBUG'; |
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*/ |
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type LogLevelStrings = keyof typeof LogLevel; |
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|
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function printImportant(key: LogLevelStrings, message: string) { |
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const num = LogLevel[key]; |
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if (num <= LogLevel.WARN) { |
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console.log("Log level key is:", key); |
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console.log("Log level value is:", num); |
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console.log("Log level message is:", message); |
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} |
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} |
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printImportant("ERROR", "This is a message"); |
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|
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// From https://www.typescriptlang.org/docs/handbook/enums.html |
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