effect-io-ai

Package: effect
Module: LogLevel

LogLevel.isLessThan

Determines if the first log level is less severe than the second.

When to use

Use to check whether one log level is strictly less severe than another.

Details

Returns true if self represents a less severe level than that.

Example (Checking lower severity)

import { LogLevel } from "effect"

// Check if Debug is less severe than Info
console.log(LogLevel.isLessThan("Debug", "Info")) // true
console.log(LogLevel.isLessThan("Error", "Info")) // false

// Filter out verbose logs
const isFatalVerbose = LogLevel.isLessThan("Fatal", "Info")
const isErrorVerbose = LogLevel.isLessThan("Error", "Info")
const isTraceVerbose = LogLevel.isLessThan("Trace", "Info")
console.log(isFatalVerbose) // false (Fatal is not verbose)
console.log(isErrorVerbose) // false (Error is not verbose)
console.log(isTraceVerbose) // true (Trace is verbose)

// Curried usage
const isLessSevereThanError = LogLevel.isLessThan("Error")
console.log(isLessSevereThanError("Info")) // true
console.log(isLessSevereThanError("Fatal")) // false

Signature

declare const isLessThan: { (that: LogLevel): (self: LogLevel) => boolean; (self: LogLevel, that: LogLevel): boolean; }

Source

Since v4.0.0