final fixes before publish

src/commonMain/kotlin/KSLog.kt

@@ -0,0 +1,50 @@
+package dev.inmo.kslog.common
+
+
+enum class LogLevel {
+    VERBOSE,
+    INFO,
+    WARNING,
+    ERROR,
+    ASSERT,
+    DEBUG
+}
+
+interface KSLog {
+    fun performLog(level: LogLevel, tag: String?, message: String, throwable: Throwable?)
+    companion object : KSLog {
+        private var defaultLogger: KSLog? = null
+        var DEFAULT: KSLog
+            get() {
+                return defaultLogger ?: KSLog("app").also {
+                    defaultLogger = it
+                }
+            }
+            set(value) {
+                defaultLogger = value
+            }
+        override fun performLog(level: LogLevel, tag: String?, message: String, throwable: Throwable?) = DEFAULT.performLog(level, tag, message, throwable)
+    }
+}
+
+
+operator fun KSLog.invoke(performLogCallback: (level: LogLevel, tag: String?, message: String, throwable: Throwable?) -> Unit) = CallbackKSLog(performLogCallback)
+
+class CallbackKSLog(
+    private val performLogCallback: (level: LogLevel, tag: String?, message: String, throwable: Throwable?) -> Unit
+) : KSLog {
+    override fun performLog(level: LogLevel, tag: String?, message: String, throwable: Throwable?) = performLogCallback(level, tag, message, throwable)
+}
+
+
+expect fun KSLog(
+    defaultTag: String,
+    filter: (l: LogLevel, t: String, m: String, Throwable?) -> Boolean
+) : KSLog
+
+fun KSLog(
+    defaultTag: String,
+    levels: Set<LogLevel> = LogLevel.values().toSet()
+): KSLog = KSLog (defaultTag) { l, _, _, _ ->
+    l in levels
+}