Update CHANGELOG.md

0.10.1

.github/workflows/dokka_push.yml

@@ -10,10 +10,10 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v1
         with:
-          java-version: 1.8
-      - name: Fix android 31.0.0 dx
+          java-version: 11
+      - name: Fix android 32.0.0 dx
         continue-on-error: true
-        run: cd /usr/local/lib/android/sdk/build-tools/31.0.0/ && mv d8 dx && cd lib  && mv d8.jar dx.jar
+        run: cd /usr/local/lib/android/sdk/build-tools/32.0.0/ && mv d8 dx && cd lib  && mv d8.jar dx.jar
       - name: Build
         run: ./gradlew dokkaHtml
       - name: Publish KDocs

.github/workflows/packages_push.yml

@@ -8,10 +8,10 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-java@v1
         with:
-          java-version: 1.8
-      - name: Fix android 31.0.0 dx
+          java-version: 11
+      - name: Fix android 32.0.0 dx
         continue-on-error: true
-        run: cd /usr/local/lib/android/sdk/build-tools/31.0.0/ && mv d8 dx && cd lib  && mv d8.jar dx.jar
+        run: cd /usr/local/lib/android/sdk/build-tools/32.0.0/ && mv d8 dx && cd lib  && mv d8.jar dx.jar
       - name: Rewrite version
         run: |
           branch="`echo "${{ github.ref }}" | grep -o "[^/]*$"`"
@@ -22,7 +22,7 @@ jobs:
         run: ./gradlew build
       - name: Publish
         continue-on-error: true
-        run: ./gradlew --no-parallel publishAllPublicationsToGithubPackagesRepository -x signJsPublication -x signJvmPublication -x signKotlinMultiplatformPublication -x signAndroidDebugPublication -x signAndroidReleasePublication -x signKotlinMultiplatformPublication
+        run: ./gradlew --no-parallel publishAllPublicationsToGithubPackagesRepository
         env:
           GITHUBPACKAGES_USER: ${{ github.actor }}
           GITHUBPACKAGES_PASSWORD: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -11,5 +11,6 @@ out/
 
 secret.gradle
 local.properties
+kotlin-js-store
 
 publishing.sh

CHANGELOG.md

@@ -1,8 +1,377 @@
 # Changelog
 
-## 0.6.0
+## 0.10.2
+
+* `Versions`:
+    * `Compose`: `1.2.0-alpha01-dev675` -> `1.2.0-alpha01-dev682`
+
+## 0.10.1
+
+* `Versions`:
+    * `Ktor`: `2.0.0` -> `2.0.1`
+* `Crypto`:
+    * Add `hmacSha256`
+    * Add `hex`
+
+## 0.10.0
+
+* `Versions`:
+    * `Kotlin`: `1.6.10` -> `1.6.21`
+    * `Compose`: `1.1.1` -> `1.2.0-alpha01-dev675`
+    * `Exposed`: `0.37.3` -> `0.38.2`
+    * `Ktor`: `1.6.8` -> `2.0.0`
+    * `Dokka`: `1.6.10` -> `1.6.21`
+
+## 0.9.24
+
+* `Ktor`:
+    * `Common`:
+        * New extension fun `MPPFile#input`
+
+## 0.9.23
+
+* `Repos`:
+    * `Exposed`:
+        * New property `ExposedRepo#selectAll` to retrieve all the rows in the table
+
+## 0.9.22
+
+* `Ktor`:
+    * `Server`:
+        * Now `createKtorServer` fun is fully customizable
+
+## 0.9.21
+
+* `Repos`:
+    * `Exposed`:
+        * fixes in `AbstractExposedWriteCRUDRepo`
+
+## 0.9.20
+
+* `Repos`:
+    * `Common`:
+        * Fixes in `OneToManyAndroidRepo`
+        * New `CursorIterator`
+
+## 0.9.19
+
+* `Versions`:
+    * `Coroutines`: `1.6.0` -> `1.6.1`
+* `Repos`:
+    * `Exposed`:
+        * Fixes in `ExposedStandardVersionsRepoProxy`
+
+## 0.9.18
+
+* `Common`
+    * New extensions for `Element`: `Element#onActionOutside` and `Element#onClickOutside`
+
+## 0.9.17
+
+* `Common`:
+    * New extensions `Element#onVisibilityChanged`, `Element#onVisible` and `Element#onInvisible`
+* `Coroutines`:
+    * New extension `Element.visibilityFlow()`
+* `FSM`:
+    * Now it is possible to resolve conflicts on `startChain`
+
+## 0.9.16
+
+* `Versions`:
+    * `Klock`: `2.6.3` -> `2.7.0`
+* `Common`:
+    * New extension `Node#onRemoved`
+    * `Compose`:
+        * New extension `Composition#linkWithRoot` for removing of composition with root element
+* `Coroutines`:
+    * `Compose`:
+        * New function `renderComposableAndLinkToContextAndRoot` with linking of composition to root element
+
+## 0.9.15
+
+* `FSM`:
+    * Rename `DefaultUpdatableStatesMachine#compare` to `DefaultUpdatableStatesMachine#shouldReplaceJob`
+    * `DefaultStatesManager` now is extendable
+    * `DefaultStatesMachine` will stop all jobs of states which was removed from `statesManager`
+
+## 0.9.14
+
+* `Versions`:
+    * `Klock`: `2.6.2` -> `2.6.3`
+    * `Ktor`: `1.6.7` -> `1.6.8`
+* `Ktor`:
+    * Add temporal files uploading functionality (for clients to upload and for server to receive)
+
+## 0.9.13
+
+* `Versions`:
+    * `Compose`: `1.1.0` -> `1.1.1`
+
+## 0.9.12
+
+* `Common`:
+    * `JS`:
+        * New function `openLink`
+        * New function `selectFile`
+        * New function `triggerDownloadFile`
+    * `Compose`:
+        * Created :)
+        * `Common`:
+            * `DefaultDisposableEffectResult` as a default realization of `DisposableEffectResult`
+        * `JS`:
+            * `openLink` on top of `openLink` with `String` target from common
+* `Coroutines`:
+    * `Compose`:
+        * `Common`:
+            * New extension `Flow.toMutableState`
+            * New extension `StateFlow.toMutableState`
+        * `JS`:
+            * New function `selectFileOrThrow` on top of `selectFile` from `common`
+            * New function `selectFileOrNull` on top of `selectFile` from `common`
+
+## 0.9.11
+
+* `Versions`:
+    * `Klock`: `2.6.1` -> `2.6.2`
+* `Coroutines`:
+    * `Compose`:
+        * Created :)
+        * New extensions and function:
+            * `Composition#linkWithJob`
+            * `Composition#linkWithContext`
+            * `renderComposableAndLinkToContext`
+
+## 0.9.10
+
+* `Versions`:
+    * `Klock`: `2.5.2` -> `2.6.1`
+* Ktor:
+    * Client:
+        * New function `UnifiedRequester#createStandardWebsocketFlow` without `checkReconnection` arg
+    * Server:
+        * Now it is possible to filter data in `Route#includeWebsocketHandling`
+        * Callback in `Route#includeWebsocketHandling` and dependent methods is `suspend` since now
+        * Add `URLProtocol` support in `Route#includeWebsocketHandling` and dependent methods
+
+## 0.9.9
+
+* `Versions`:
+    * `Klock`: `2.5.1` -> `2.5.2`
+* `Common`:
+    * Add new diff tool - `applyDiff`
+    * Implementation of `IntersectionObserver` in JS part (copypaste of [this](https://youtrack.jetbrains.com/issue/KT-43157#focus=Comments-27-4498582.0-0) comment)
+
+## 0.9.8
+
+* `Versions`:
+    * `Exposed`: `0.37.2` -> `0.37.3`
+    * `Klock`: `2.4.13` -> `2.5.1`
+    * `AppCompat`: `1.4.0` -> `1.4.1`
+
+## 0.9.7
+
+* `Repos`:
+    * `Exposed`:
+        * Fix in `ExposedOneToManyKeyValueRepo` - now it will not use `insertIgnore`
+* `Ktor`:
+    * `Server`:
+        * `Route#includeWebsocketHandling` now will check that `WebSockets` feature and install it if not
+
+## 0.9.6
+
+* `Repos`:
+    * `Exposed`:
+        * Fix in `ExposedOneToManyKeyValueRepo` - now it will not use `deleteIgnoreWhere`
+
+## 0.9.5
+
+* `Versions`:
+    * `Klock`: `2.4.12` -> `2.4.13`
+
+## 0.9.4
+
+* `Pagination`:
+    * `Common`:
+        * Add several `optionallyReverse` functions
+* `Common`:
+    * Changes in `Either`:
+        * Now `Either` uses `optionalT1` and `optionalT2` as main properties
+        * `Either#t1` and `Either#t2` are deprecated
+        * New extensions `Either#mapOnFirst` and `Either#mapOnSecond`
+
+## 0.9.3
+
+* `Versions`:
+    * `UUID`: `0.3.1` -> `0.4.0`
+
+## 0.9.2
+
+* `Versions`:
+    * `Klock`: `2.4.10` -> `2.4.12`
+
+## 0.9.1
+
+* `Repos`:
+    * `Exposed`:
+        * Default realizations of standard interfaces for exposed DB are using public fields for now:
+            * `ExposedReadKeyValueRepo`
+            * `ExposedReadOneToManyKeyValueRepo`
+            * `ExposedStandardVersionsRepoProxy`
+        * New typealiases for one to many exposed realizations:
+            * `ExposedReadKeyValuesRepo`
+            * `ExposedKeyValuesRepo`
+
+## 0.9.0
+
+* `Versions`:
+    * `Kotlin`: `1.5.31` -> `1.6.10`
+    * `Coroutines`: `1.5.2` -> `1.6.0`
+    * `Serialization`: `1.3.1` -> `1.3.2`
+    * `Exposed`: `0.36.2` -> `0.37.2`
+    * `Ktor`: `1.6.5` -> `1.6.7`
+    * `Klock`: `2.4.8` -> `2.4.10`
+
+## 0.8.9
+
+* `Ktor`:
+    * `Server`:
+        * Fixes in `uniloadMultipart`
+    * `Client`:
+        * Fixes in `unimultipart`
+* `FSM`:
+    * Fixes in `DefaultUpdatableStatesMachine`
+
+## 0.8.8
+
+* `Versions`:
+    * `AppCompat`: `1.3.1` -> `1.4.0`
+    * Android Compile SDK: `31.0.0` -> `32.0.0`
+* `FSM`:
+    * `DefaultStatesMachine` now is extendable
+    * New type `UpdatableStatesMachine` with default realization`DefaultUpdatableStatesMachine`
+
+## 0.8.7
+
+* `Ktor`:
+    * `Client`:
+        * `UnifiedRequester` now have no private fields
+        * Add preview work with multipart
+    * `Server`
+        * `UnifiedRouter` now have no private fields
+        * Add preview work with multipart
+
+## 0.8.6
+
+* `Common`:
+    * `Either` extensions `onFirst` and `onSecond` now accept not `crossinline` callbacks
+    * All `joinTo` now accept not `crossinline` callbacks
+
+## 0.8.5
+
+* `Common`:
+    * `repeatOnFailure`
+
+## 0.8.4
+
+* `Ktor`:
+    * `Server`:
+        * Several new `createKtorServer`
+
+## 0.8.3
+
+* `Common`:
+    * Ranges intersection functionality
+    * New type `Optional`
+* `Pagination`:
+    * `Pagination` now extends `ClosedRange<Int>`
+    * `Pagination` intersection functionality
+
+## 0.8.2
+
+* `Versions`:
+    * `Klock`: `2.4.7` -> `2.4.8`
+    * `Serialization`: `1.3.0` -> `1.3.1`
+* `FSM`:
+    * Now it is possible to pass any `CheckableHandlerHolder` in `FSMBuilder`
+    * Now `StatesMachine` works with `CheckableHandlerHolder` instead of `CustomizableHandlerHolder`
+
+## 0.8.1
+
+* `Versions`:
+    * `Exposed`: `0.36.1` -> `0.36.2`
+    * `Core KTX`: `1.6.0` -> `1.7.0`
+
+## 0.8.0
+
+* `Versions`:
+    * `Klock`: `2.4.6` -> `2.4.7`
+    * `Ktor`: `1.6.4` -> `1.6.5`
+    * `Exposed`: `0.35.3` -> `0.36.1`
+* `Common`:
+    * Type `Either` got its own serializer
+* `FSM`:
+    * `Common`:
+        * Full rework of FSM:
+            * Now it is more flexible for checking of handler opportunity to handle state
+            * Now machine and states managers are type-oriented
+            * `StateHandlerHolder` has been renamed to `CheckableHandlerHolder`
+        * Add opportunity for comfortable adding default state handler
+
+## 0.7.4
+
+* `Common`:
+    * New type `Either`
+* `Serialization`:
+    * `TypedSerializer`
+        * New factory fun which accept vararg pairs of type and its serializer
+* `Repos`:
+    * `Common` (`Android`):
+        * `AbstractMutableAndroidCRUDRepo` flows now will have extra buffer capacity instead of reply. It means that
+          android crud repo _WILL NOT_ send previous events to the 
+    * `Exposed`:
+        * New parameter `AbstractExposedWriteCRUDRepo#replyCacheInFlows`
+        * KeyValue realization `ExposedKeyValueRepo` properties `_onNewValue` and `_onValueRemoved` now are available in
+          inheritors
+* `Pagination`:
+    * `Common`:
+        * New types `getAllBy*` for current, next and custom paging
+
+## 0.7.3
+
+* `Versions`:
+    * `Exposed`: `0.35.2` -> `0.35.3`
+
+## 0.7.2
+
+* `Versions`:
+    * `Klock`: `2.4.5` -> `2.4.6`
+
+## 0.7.1
+
+* `Versions`:
+    * `Klock`: `2.4.3` -> `2.4.5`
+    * `Exposed`: `0.35.1` -> `0.35.2`
+* `Coroutines`:
+    * `Common`:
+        * New `Flow` - `AccumulatorFlow`
+* `FSM`:
+    * `Common`:
+        * `InMemoryStatesManager` has been replaced
+        * `StatesMachine` became an interface
+        * New manager `DefaultStatesManager` with `DefaultStatesManagerRepo` for abstraction of manager and storing of
+          data info
+
+## 0.7.0
+
+**THIS VERSION HAS MIGRATED FROM KOTLINX DATETIME TO KORLIBS KLOCK. CAREFUL**
+
+* `Versions`
+    * `kotlinx.datetime` -> `Klock`
+
+## 0.6.0 DO NOT RECOMMENDED
 
 **THIS VERSION HAS MIGRATED FROM KORLIBS KLOCK TO KOTLINX DATETIME. CAREFUL**
+**ALL DEPRECATION HAVE BEEN REMOVED**
 
 * `Versions`
     * `Klock` -> `kotlinx.datetime`

android/alerts/common/build.gradle

@@ -10,7 +10,7 @@ kotlin {
     sourceSets {
         androidMain {
             dependencies {
-                api "androidx.appcompat:appcompat-resources:$appcompat_version"
+                api libs.android.appCompat.resources
             }
         }
     }

android/recyclerview/build.gradle

@@ -10,13 +10,13 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
-                api "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
+                api libs.kt.coroutines
                 api project(":micro_utils.common")
             }
         }
         androidMain {
             dependencies {
-                api "androidx.recyclerview:recyclerview:$androidx_recycler_version"
+                api libs.android.recyclerView
             }
         }
     }

build.gradle

@@ -7,12 +7,12 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.3'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
-        classpath "com.getkeepsafe.dexcount:dexcount-gradle-plugin:$dexcount_version"
-        classpath "com.github.breadmoirai:github-release:$github_release_plugin_version"
-        classpath "org.jetbrains.dokka:dokka-gradle-plugin:$dokka_version"
+        classpath libs.buildscript.kt.gradle
+        classpath libs.buildscript.kt.serialization
+        classpath libs.buildscript.jb.dokka
+        classpath libs.buildscript.gh.release
+        classpath libs.buildscript.android.gradle
+        classpath libs.buildscript.android.dexcount
     }
 }
 
@@ -21,6 +21,7 @@ allprojects {
         mavenLocal()
         mavenCentral()
         google()
+        maven { url "https://maven.pkg.jetbrains.space/public/p/compose/dev" }
     }
 
     // temporal crutch until legacy tests will be stabled or legacy target will be removed

common/compose/build.gradle

@@ -0,0 +1,18 @@
+plugins {
+    id "org.jetbrains.kotlin.multiplatform"
+    id "org.jetbrains.kotlin.plugin.serialization"
+    id "com.android.library"
+    alias(libs.plugins.jb.compose)
+}
+
+apply from: "$mppProjectWithSerializationAndComposePresetPath"
+
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                api project(":micro_utils.common")
+            }
+        }
+    }
+}

common/compose/src/commonMain/kotlin/dev/inmo/micro_utils/common/compose/DefaultDisposableEffectResult.kt

@@ -0,0 +1,16 @@
+package dev.inmo.micro_utils.common.compose
+
+import androidx.compose.runtime.DisposableEffectResult
+
+class DefaultDisposableEffectResult(
+    private val onDispose: () -> Unit
+) : DisposableEffectResult {
+    override fun dispose() {
+        onDispose()
+    }
+
+    companion object {
+        val DoNothing = DefaultDisposableEffectResult {}
+    }
+}
+

common/compose/src/jsMain/kotlin/dev/inmo/micro_utils/common/compose/AttachCompositionToElementRemoving.kt

@@ -0,0 +1,9 @@
+package dev.inmo.micro_utils.common.compose
+
+import androidx.compose.runtime.Composition
+import dev.inmo.micro_utils.common.onRemoved
+import org.w3c.dom.Element
+
+fun Composition.linkWithElement(element: Element) {
+    element.onRemoved { dispose() }
+}

common/compose/src/jsMain/kotlin/dev/inmo/micro_utils/common/compose/OpenLink.kt

@@ -0,0 +1,10 @@
+package dev.inmo.micro_utils.common.compose
+
+import org.jetbrains.compose.web.attributes.ATarget
+
+fun openLink(link: String, mode: ATarget = ATarget.Blank, features: String = "") = dev.inmo.micro_utils.common.openLink(
+    link,
+    mode.targetStr,
+    features
+)
+

common/compose/src/jsMain/kotlin/dev/inmo/micro_utils/common/compose/RenderComposableAndLinkToRoot.kt

@@ -0,0 +1,13 @@
+package dev.inmo.micro_utils.common.compose
+
+import androidx.compose.runtime.*
+import org.jetbrains.compose.web.dom.DOMScope
+import org.w3c.dom.Element
+
+fun <TElement : Element> renderComposableAndLinkToRoot(
+    root: TElement,
+    monotonicFrameClock: MonotonicFrameClock = DefaultMonotonicFrameClock,
+    content: @Composable DOMScope<TElement>.() -> Unit
+): Composition = org.jetbrains.compose.web.renderComposable(root, monotonicFrameClock, content).apply {
+    linkWithElement(root)
+}

common/compose/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest package="dev.inmo.micro_utils.common.compose"/>

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/Annotations.kt

@@ -1,3 +1,5 @@
+@file:Suppress("OPT_IN_IS_NOT_ENABLED")
+
 package dev.inmo.micro_utils.common
 
 @RequiresOptIn(

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/Clamp.kt

@@ -1,5 +0,0 @@
-package dev.inmo.micro_utils.common
-
-@Deprecated("Redundant", ReplaceWith("coerceIn(min, max)"))
-@Suppress("NOTHING_TO_INLINE")
-inline fun <T : Comparable<T>> T.clamp(min: T, max: T): T = coerceIn(min, max)

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/DiffUtils.kt

@@ -2,8 +2,6 @@
 
 package dev.inmo.micro_utils.common
 
-import kotlin.jvm.JvmInline
-
 private inline fun <T> getObject(
     additional: MutableList<T>,
     iterator: Iterator<T>
@@ -45,6 +43,7 @@ private inline fun <T> performChanges(
         if (oldOneEqualToNewObject || newOneEqualToOldObject) {
             changedList.addAll(
                 potentialChanges.take(i).mapNotNull {
+                    @Suppress("UNCHECKED_CAST")
                     if (it.first != null && it.second != null) it as Pair<IndexedValue<T>, IndexedValue<T>> else null
                 }
             )
@@ -123,7 +122,10 @@ fun <T> Iterable<T>.calculateDiff(
 
         when {
             oldObject === newObject || (oldObject == newObject && !strictComparison) -> {
-                changedObjects.addAll(potentiallyChangedObjects.map { it as Pair<IndexedValue<T>, IndexedValue<T>> })
+                changedObjects.addAll(potentiallyChangedObjects.map {
+                    @Suppress("UNCHECKED_CAST")
+                    it as Pair<IndexedValue<T>, IndexedValue<T>>
+                })
                 potentiallyChangedObjects.clear()
             }
             else -> {
@@ -155,3 +157,22 @@ inline fun <T> StrictDiff(old: Iterable<T>, new: Iterable<T>) = old.calculateDif
 inline fun <T> Iterable<T>.calculateStrictDiff(
     other: Iterable<T>
 ) = calculateDiff(other, strictComparison = true)
+
+/**
+ * This method call [calculateDiff] with strict mode [strictComparison] and then apply differences to [this]
+ * mutable list
+ */
+fun <T> MutableList<T>.applyDiff(
+    source: Iterable<T>,
+    strictComparison: Boolean = false
+) = calculateDiff(source, strictComparison).let {
+    for (i in it.removed.indices.sortedDescending()) {
+        removeAt(it.removed[i].index)
+    }
+    it.added.forEach { (i, t) ->
+        add(i, t)
+    }
+    it.replaced.forEach { (_, new) ->
+        set(new.index, new.value)
+    }
+}

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/Either.kt

@@ -0,0 +1,159 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.serialization.*
+import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.descriptors.*
+import kotlinx.serialization.encoding.*
+
+/**
+ * Realization of this interface will contains at least one not null - [optionalT1] or [optionalT2]
+ *
+ * @see EitherFirst
+ * @see EitherSecond
+ * @see Either.Companion.first
+ * @see Either.Companion.second
+ * @see Either.onFirst
+ * @see Either.onSecond
+ * @see Either.mapOnFirst
+ * @see Either.mapOnSecond
+ */
+@Serializable(EitherSerializer::class)
+sealed interface Either<T1, T2> {
+    val optionalT1: Optional<T1>
+    val optionalT2: Optional<T2>
+    @Deprecated("Use optionalT1 instead", ReplaceWith("optionalT1"))
+    val t1: T1?
+        get() = optionalT1.dataOrNull()
+    @Deprecated("Use optionalT2 instead", ReplaceWith("optionalT2"))
+    val t2: T2?
+        get() = optionalT2.dataOrNull()
+}
+
+class EitherSerializer<T1, T2>(
+    t1Serializer: KSerializer<T1>,
+    t2Serializer: KSerializer<T2>,
+) : KSerializer<Either<T1, T2>> {
+    @OptIn(InternalSerializationApi::class)
+    override val descriptor: SerialDescriptor = buildSerialDescriptor(
+        "TypedSerializer",
+        SerialKind.CONTEXTUAL
+    ) {
+        element("type", String.serializer().descriptor)
+        element("value", ContextualSerializer(Either::class).descriptor)
+    }
+    private val t1EitherSerializer = EitherFirst.serializer(t1Serializer, t2Serializer)
+    private val t2EitherSerializer = EitherSecond.serializer(t1Serializer, t2Serializer)
+
+    override fun deserialize(decoder: Decoder): Either<T1, T2> {
+        return decoder.decodeStructure(descriptor) {
+            var type: String? = null
+            lateinit var result: Either<T1, T2>
+            while (true) {
+                when (val index = decodeElementIndex(descriptor)) {
+                    0 -> type = decodeStringElement(descriptor, 0)
+                    1 -> {
+                        result = when (type) {
+                            "t1" -> decodeSerializableElement(
+                                descriptor,
+                                1,
+                                t1EitherSerializer
+                            )
+                            "t2" -> decodeSerializableElement(
+                                descriptor,
+                                1,
+                                t2EitherSerializer
+                            )
+                            else -> error("Unknown type of either: $type")
+                        }
+                    }
+                    CompositeDecoder.DECODE_DONE -> break
+                    else -> error("Unexpected index: $index")
+                }
+            }
+            result
+        }
+    }
+
+
+    override fun serialize(encoder: Encoder, value: Either<T1, T2>) {
+        encoder.encodeStructure(descriptor) {
+            when (value) {
+                is EitherFirst -> {
+                    encodeStringElement(descriptor, 0, "t1")
+                    encodeSerializableElement(descriptor, 1, t1EitherSerializer, value)
+                }
+                is EitherSecond -> {
+                    encodeStringElement(descriptor, 0, "t2")
+                    encodeSerializableElement(descriptor, 1, t2EitherSerializer, value)
+                }
+            }
+        }
+    }
+}
+
+/**
+ * This type [Either] will always have not nullable [optionalT1]
+ */
+@Serializable
+data class EitherFirst<T1, T2>(
+    override val t1: T1
+) : Either<T1, T2> {
+    override val optionalT1: Optional<T1> = t1.optional
+    override val optionalT2: Optional<T2> = Optional.absent()
+}
+
+/**
+ * This type [Either] will always have not nullable [optionalT2]
+ */
+@Serializable
+data class EitherSecond<T1, T2>(
+    override val t2: T2
+) : Either<T1, T2> {
+    override val optionalT1: Optional<T1> = Optional.absent()
+    override val optionalT2: Optional<T2> = t2.optional
+}
+
+/**
+ * @return New instance of [EitherFirst]
+ */
+inline fun <T1, T2> Either.Companion.first(t1: T1): Either<T1, T2> = EitherFirst(t1)
+/**
+ * @return New instance of [EitherSecond]
+ */
+inline fun <T1, T2> Either.Companion.second(t2: T2): Either<T1, T2> = EitherSecond(t2)
+
+/**
+ * Will call [block] in case when [this] is [EitherFirst]
+ */
+inline fun <T1, T2, E : Either<T1, T2>> E.onFirst(block: (T1) -> Unit): E {
+    optionalT1.onPresented(block)
+    return this
+}
+
+/**
+ * Will call [block] in case when [this] is [EitherSecond]
+ */
+inline fun <T1, T2, E : Either<T1, T2>> E.onSecond(block: (T2) -> Unit): E {
+    optionalT2.onPresented(block)
+    return this
+}
+
+/**
+ * @return Result of [block] if [this] is [EitherFirst]
+ */
+inline fun <T1, R> Either<T1, *>.mapOnFirst(block: (T1) -> R): R? {
+    return optionalT1.mapOnPresented(block)
+}
+
+/**
+ * @return Result of [block] if [this] is [EitherSecond]
+ */
+inline fun <T2, R> Either<*, T2>.mapOnSecond(block: (T2) -> R): R? {
+    return optionalT2.mapOnPresented(block)
+}
+
+inline fun <reified T1, reified T2> Any.either() = when (this) {
+    is T1 -> Either.first<T1, T2>(this)
+    is T2 -> Either.second<T1, T2>(this)
+    else -> error("Incorrect type of either argument $this")
+}

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/JoinTo.kt

@@ -1,10 +1,10 @@
 package dev.inmo.micro_utils.common
 
 inline fun <I, R> Iterable<I>.joinTo(
-    crossinline separatorFun: (I) -> R?,
+    separatorFun: (I) -> R?,
     prefix: R? = null,
     postfix: R? = null,
-    crossinline transform: (I) -> R?
+    transform: (I) -> R?
 ): List<R> {
     val result = mutableListOf<R>()
     val iterator = iterator()
@@ -29,11 +29,11 @@ inline fun <I, R> Iterable<I>.joinTo(
     separator: R? = null,
     prefix: R? = null,
     postfix: R? = null,
-    crossinline transform: (I) -> R?
+    transform: (I) -> R?
 ): List<R> = joinTo({ separator }, prefix, postfix, transform)
 
 inline fun <I> Iterable<I>.joinTo(
-    crossinline separatorFun: (I) -> I?,
+    separatorFun: (I) -> I?,
     prefix: I? = null,
     postfix: I? = null
 ): List<I> = joinTo<I, I>(separatorFun, prefix, postfix) { it }
@@ -45,15 +45,15 @@ inline fun <I> Iterable<I>.joinTo(
 ): List<I> = joinTo<I>({ separator }, prefix, postfix)
 
 inline fun <I, reified R> Array<I>.joinTo(
-    crossinline separatorFun: (I) -> R?,
+    separatorFun: (I) -> R?,
     prefix: R? = null,
     postfix: R? = null,
-    crossinline transform: (I) -> R?
+    transform: (I) -> R?
 ): Array<R> = asIterable().joinTo(separatorFun, prefix, postfix, transform).toTypedArray()
 
 inline fun <I, reified R> Array<I>.joinTo(
     separator: R? = null,
     prefix: R? = null,
     postfix: R? = null,
-    crossinline transform: (I) -> R?
+    transform: (I) -> R?
 ): Array<R> = asIterable().joinTo(separator, prefix, postfix, transform).toTypedArray()

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/MPPFile.kt

@@ -23,11 +23,12 @@ value class FileName(val string: String) {
 }
 
 
-@PreviewFeature
 expect class MPPFile
 
 expect val MPPFile.filename: FileName
 expect val MPPFile.filesize: Long
+expect val MPPFile.bytesAllocatorSync: ByteArrayAllocator
 expect val MPPFile.bytesAllocator: SuspendByteArrayAllocator
+fun MPPFile.bytesSync() = bytesAllocatorSync()
 suspend fun MPPFile.bytes() = bytesAllocator()
 

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/Optional.kt

@@ -0,0 +1,92 @@
+@file:Suppress("unused")
+
+package dev.inmo.micro_utils.common
+
+import kotlinx.serialization.Serializable
+
+/**
+ * This type represents [T] as not only potentially nullable data, but also as a data which can not be presented. This
+ * type will be useful in cases when [T] is nullable and null as valuable data too in time of data absence should be
+ * presented by some third type.
+ *
+ * Let's imagine, you have nullable name in some database. In case when name is not nullable everything is clear - null
+ * will represent absence of row in the database. In case when name is nullable null will be a little bit dual-meaning,
+ * cause this null will say nothing about availability of the row (of course, it is exaggerated example)
+ *
+ * @see Optional.presented
+ * @see Optional.absent
+ * @see Optional.optional
+ * @see Optional.onPresented
+ * @see Optional.onAbsent
+ */
+@Serializable
+data class Optional<T> internal constructor(
+    @Warning("It is unsafe to use this data directly")
+    val data: T?,
+    @Warning("It is unsafe to use this data directly")
+    val dataPresented: Boolean
+) {
+    companion object {
+        /**
+         * Will create [Optional] with presented data
+         */
+        fun <T> presented(data: T) = Optional(data, true)
+        /**
+         * Will create [Optional] without data
+         */
+        fun <T> absent() = Optional<T>(null, false)
+    }
+}
+
+inline val <T> T.optional
+    get() = Optional.presented(this)
+
+/**
+ * Will call [block] when data presented ([Optional.dataPresented] == true)
+ */
+inline fun <T> Optional<T>.onPresented(block: (T) -> Unit): Optional<T> = apply {
+    if (dataPresented) { @Suppress("UNCHECKED_CAST") block(data as T) }
+}
+
+/**
+ * Will call [block] when data presented ([Optional.dataPresented] == true)
+ */
+inline fun <T, R> Optional<T>.mapOnPresented(block: (T) -> R): R? = run {
+    if (dataPresented) { @Suppress("UNCHECKED_CAST") block(data as T) } else null
+}
+
+/**
+ * Will call [block] when data absent ([Optional.dataPresented] == false)
+ */
+inline fun <T> Optional<T>.onAbsent(block: () -> Unit): Optional<T> = apply {
+    if (!dataPresented) { block() }
+}
+
+/**
+ * Will call [block] when data presented ([Optional.dataPresented] == true)
+ */
+inline fun <T, R> Optional<T>.mapOnAbsent(block: () -> R): R? = run {
+    if (!dataPresented) { @Suppress("UNCHECKED_CAST") block() } else null
+}
+
+/**
+ * Returns [Optional.data] if [Optional.dataPresented] of [this] is true, or null otherwise
+ */
+fun <T> Optional<T>.dataOrNull() = if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else null
+
+/**
+ * Returns [Optional.data] if [Optional.dataPresented] of [this] is true, or throw [throwable] otherwise
+ */
+fun <T> Optional<T>.dataOrThrow(throwable: Throwable) = if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else throw throwable
+
+
+/**
+ * Returns [Optional.data] if [Optional.dataPresented] of [this] is true, or call [block] and returns the result of it
+ */
+inline fun <T> Optional<T>.dataOrElse(block: () -> T) = if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else block()
+
+/**
+ * Returns [Optional.data] if [Optional.dataPresented] of [this] is true, or call [block] and returns the result of it
+ */
+@Deprecated("dataOrElse now is inline", ReplaceWith("dataOrElse", "dev.inmo.micro_utils.common.dataOrElse"))
+suspend fun <T> Optional<T>.dataOrElseSuspendable(block: suspend () -> T) = if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else block()

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/RangeIntersection.kt

@@ -0,0 +1,19 @@
+package dev.inmo.micro_utils.common
+
+fun <T : Comparable<T>> ClosedRange<T>.intersect(other: ClosedRange<T>): Pair<T, T>? = when {
+    start == other.start && endInclusive == other.endInclusive -> start to endInclusive
+    start > other.endInclusive || other.start > endInclusive -> null
+    else -> maxOf(start, other.start) to minOf(endInclusive, other.endInclusive)
+}
+
+fun IntRange.intersect(
+    other: IntRange
+): IntRange? = (this as ClosedRange<Int>).intersect(other as ClosedRange<Int>) ?.let {
+    it.first .. it.second
+}
+
+fun LongRange.intersect(
+    other: LongRange
+): LongRange? = (this as ClosedRange<Long>).intersect(other as ClosedRange<Long>) ?.let {
+    it.first .. it.second
+}

common/src/commonMain/kotlin/dev/inmo/micro_utils/common/RepeatOnFailure.kt

@@ -0,0 +1,21 @@
+package dev.inmo.micro_utils.common
+
+/**
+ * Executes the given [action] until getting of successful result specified number of [times].
+ *
+ * A zero-based index of current iteration is passed as a parameter to [action].
+ */
+inline fun <R> repeatOnFailure(
+    times: Int,
+    onEachFailure: (Throwable) -> Unit = {},
+    action: (Int) -> R
+): Optional<R> {
+    repeat(times) {
+        runCatching {
+            action(it)
+        }.onFailure(onEachFailure).onSuccess {
+            return Optional.presented(it)
+        }
+    }
+    return Optional.absent()
+}

common/src/commonTest/kotlin/dev/inmo/micro_utils/common/DiffUtilsTests.kt

@@ -32,7 +32,7 @@ class DiffUtilsTests {
         val withIndex = oldList.withIndex()
 
         for (count in 1 .. (floor(oldList.size.toFloat() / 2).toInt())) {
-            for ((i, v) in withIndex) {
+            for ((i, _) in withIndex) {
                 if (i + count > oldList.lastIndex) {
                     continue
                 }
@@ -54,8 +54,8 @@ class DiffUtilsTests {
         val oldList = (0 until 10).map { it.toString() }
         val withIndex = oldList.withIndex()
 
-        for (step in 0 until oldList.size) {
-            for ((i, v) in withIndex) {
+        for (step in oldList.indices) {
+            for ((i, _) in withIndex) {
                 val mutable = oldList.toMutableList()
                 val changes = (
                     if (step == 0) i until oldList.size else (i until oldList.size step step)
@@ -73,4 +73,83 @@ class DiffUtilsTests {
             }
         }
     }
+
+    @Test
+    fun testThatSimpleRemoveApplyWorks() {
+        val oldList = (0 until 10).toList()
+        val withIndex = oldList.withIndex()
+
+        for (count in 1 .. (floor(oldList.size.toFloat() / 2).toInt())) {
+            for ((i, _) in withIndex) {
+                if (i + count > oldList.lastIndex) {
+                    continue
+                }
+                val removedSublist = oldList.subList(i, i + count)
+                val mutableOldList = oldList.toMutableList()
+                val targetList = oldList - removedSublist
+
+                mutableOldList.applyDiff(targetList)
+
+                assertEquals(
+                    targetList,
+                    mutableOldList
+                )
+            }
+        }
+    }
+
+    @Test
+    fun testThatSimpleAddApplyWorks() {
+        val oldList = (0 until 10).map { it.toString() }
+        val withIndex = oldList.withIndex()
+
+        for (count in 1 .. (floor(oldList.size.toFloat() / 2).toInt())) {
+            for ((i, _) in withIndex) {
+                if (i + count > oldList.lastIndex) {
+                    continue
+                }
+                val addedSublist = oldList.subList(i, i + count).map { "added$it" }
+                val mutable = oldList.toMutableList()
+                mutable.addAll(i, addedSublist)
+                val mutableOldList = oldList.toMutableList()
+
+                mutableOldList.applyDiff(mutable)
+
+                assertEquals(
+                    mutable,
+                    mutableOldList
+                )
+            }
+        }
+    }
+
+    @Test
+    fun testThatSimpleChangesApplyWorks() {
+        val oldList = (0 until 10).map { it.toString() }
+        val withIndex = oldList.withIndex()
+
+        for (step in oldList.indices) {
+            for ((i, _) in withIndex) {
+                val mutable = oldList.toMutableList()
+
+                val newList = if (step == 0) {
+                    i until oldList.size
+                } else {
+                    i until oldList.size step step
+                }
+                newList.forEach { index ->
+                    IndexedValue(index, mutable[index]) to IndexedValue(index, "changed$index").also {
+                        mutable[index] = it.value
+                    }
+                }
+
+                val mutableOldList = oldList.toMutableList()
+                mutableOldList.applyDiff(mutable)
+                assertEquals(
+                    mutable,
+                    mutableOldList
+                )
+            }
+        }
+    }
 }

common/src/jsMain/kotlin/dev/inmo/micro_utils/common/HTMLElementDomChanged.kt

@@ -0,0 +1,61 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.browser.document
+import org.w3c.dom.*
+
+fun Node.onRemoved(block: () -> Unit): MutationObserver {
+    lateinit var observer: MutationObserver
+
+    observer = MutationObserver { _, _ ->
+        fun checkIfRemoved(node: Node): Boolean {
+            return node.parentNode != document && (node.parentNode ?.let { checkIfRemoved(it) } ?: true)
+        }
+
+        if (checkIfRemoved(this)) {
+            observer.disconnect()
+            block()
+        }
+    }
+
+    observer.observe(document, MutationObserverInit(childList = true, subtree = true))
+    return observer
+}
+
+fun Element.onVisibilityChanged(block: IntersectionObserverEntry.(Float, IntersectionObserver) -> Unit): IntersectionObserver {
+    var previousIntersectionRatio = -1f
+    val observer = IntersectionObserver { entries, observer ->
+        entries.forEach {
+            if (previousIntersectionRatio != it.intersectionRatio) {
+                previousIntersectionRatio = it.intersectionRatio.toFloat()
+                it.block(previousIntersectionRatio, observer)
+            }
+        }
+    }
+
+    observer.observe(this)
+    return observer
+}
+
+fun Element.onVisible(block: Element.(IntersectionObserver) -> Unit) {
+    var previous = -1f
+    onVisibilityChanged { intersectionRatio, observer ->
+        if (previous != intersectionRatio) {
+            if (intersectionRatio > 0 && previous == 0f) {
+                block(observer)
+            }
+            previous = intersectionRatio
+        }
+    }
+}
+
+fun Element.onInvisible(block: Element.(IntersectionObserver) -> Unit): IntersectionObserver {
+    var previous = -1f
+    return onVisibilityChanged { intersectionRatio, observer ->
+        if (previous != intersectionRatio) {
+            if (intersectionRatio == 0f && previous != 0f) {
+                block(observer)
+            }
+            previous = intersectionRatio
+        }
+    }
+}

common/src/jsMain/kotlin/dev/inmo/micro_utils/common/IntersectionObserver.kt

@@ -0,0 +1,124 @@
+package dev.inmo.micro_utils.common
+
+import org.w3c.dom.DOMRectReadOnly
+import org.w3c.dom.Element
+
+external interface IntersectionObserverOptions {
+    /**
+     * An Element or Document object which is an ancestor of the intended target, whose bounding rectangle will be
+     * considered the viewport. Any part of the target not visible in the visible area of the root is not considered
+     * visible.
+     */
+    var root: Element?
+
+    /**
+     * A string which specifies a set of offsets to add to the root's bounding_box when calculating intersections,
+     * effectively shrinking or growing the root for calculation purposes. The syntax is approximately the same as that
+     * for the CSS margin property; see The root element and root margin in Intersection Observer API for more
+     * information on how the margin works and the syntax. The default is "0px 0px 0px 0px".
+     */
+    var rootMargin: String?
+
+    /**
+     * Either a single number or an array of numbers between 0.0 and 1.0, specifying a ratio of intersection area to
+     * total bounding box area for the observed target. A value of 0.0 means that even a single visible pixel counts as
+     * the target being visible. 1.0 means that the entire target element is visible. See Thresholds in Intersection
+     * Observer API for a more in-depth description of how thresholds are used. The default is a threshold of 0.0.
+     */
+    var threshold: Array<Number>?
+}
+fun IntersectionObserverOptions(
+    block: IntersectionObserverOptions.() -> Unit = {}
+): IntersectionObserverOptions = js("{}").unsafeCast<IntersectionObserverOptions>().apply(block)
+
+external interface IntersectionObserverEntry {
+    /**
+     * Returns the bounds rectangle of the target element as a DOMRectReadOnly. The bounds are computed as described in
+     * the documentation for Element.getBoundingClientRect().
+     */
+    val boundingClientRect: DOMRectReadOnly
+
+    /**
+     * Returns the ratio of the intersectionRect to the boundingClientRect.
+     */
+    val intersectionRatio: Number
+
+    /**
+     * Returns a DOMRectReadOnly representing the target's visible area.
+     */
+    val intersectionRect: DOMRectReadOnly
+
+    /**
+     * A Boolean value which is true if the target element intersects with the intersection observer's root. If this is
+     * true, then, the IntersectionObserverEntry describes a transition into a state of intersection; if it's false,
+     * then you know the transition is from intersecting to not-intersecting.
+     */
+    val isIntersecting: Boolean
+
+    /**
+     * Returns a DOMRectReadOnly for the intersection observer's root.
+     */
+    val rootBounds: DOMRectReadOnly
+
+    /**
+     * The Element whose intersection with the root changed.
+     */
+    val target: Element
+
+    /**
+     * A DOMHighResTimeStamp indicating the time at which the intersection was recorded, relative to the
+     * IntersectionObserver's time origin.
+     */
+    val time: Double
+}
+
+typealias IntersectionObserverCallback = (entries: Array<IntersectionObserverEntry>, observer: IntersectionObserver) -> Unit
+
+/**
+ * This is just an implementation from [this commentary](https://youtrack.jetbrains.com/issue/KT-43157#focus=Comments-27-4498582.0-0)
+ * of Kotlin JS issue related to the absence of [Intersection Observer API](https://developer.mozilla.org/en-US/docs/Web/API/IntersectionObserver)
+ */
+external class IntersectionObserver(callback: IntersectionObserverCallback) {
+    constructor(callback: IntersectionObserverCallback, options: IntersectionObserverOptions)
+
+    /**
+     * The Element or Document whose bounds are used as the bounding box when testing for intersection. If no root value
+     * was passed to the constructor or its value is null, the top-level document's viewport is used.
+     */
+    val root: Element
+
+    /**
+     * An offset rectangle applied to the root's bounding box when calculating intersections, effectively shrinking or
+     * growing the root for calculation purposes. The value returned by this property may not be the same as the one
+     * specified when calling the constructor as it may be changed to match internal requirements. Each offset can be
+     * expressed in pixels (px) or as a percentage (%). The default is "0px 0px 0px 0px".
+     */
+    val rootMargin: String
+
+    /**
+     * A list of thresholds, sorted in increasing numeric order, where each threshold is a ratio of intersection area to
+     * bounding box area of an observed target. Notifications for a target are generated when any of the thresholds are
+     * crossed for that target. If no value was passed to the constructor, 0 is used.
+     */
+    val thresholds: Array<Number>
+
+    /**
+     * Stops the IntersectionObserver object from observing any target.
+     */
+    fun disconnect()
+
+    /**
+     * Tells the IntersectionObserver a target element to observe.
+     */
+    fun observe(targetElement: Element)
+
+    /**
+     * Returns an array of IntersectionObserverEntry objects for all observed targets.
+     */
+    fun takeRecords(): Array<IntersectionObserverEntry>
+
+    /**
+     * Tells the IntersectionObserver to stop observing a particular target element.
+     */
+    fun unobserve(targetElement: Element)
+}

common/src/jsMain/kotlin/dev/inmo/micro_utils/common/JSMPPFile.kt

@@ -2,10 +2,12 @@ package dev.inmo.micro_utils.common
 
 import org.khronos.webgl.ArrayBuffer
 import org.w3c.dom.ErrorEvent
-import org.w3c.files.File
-import org.w3c.files.FileReader
+import org.w3c.files.*
 import kotlin.js.Promise
 
+/**
+ * @suppress
+ */
 actual typealias MPPFile = File
 
 fun MPPFile.readBytesPromise() = Promise<ByteArray> { success, failure ->
@@ -21,12 +23,32 @@ fun MPPFile.readBytesPromise() = Promise<ByteArray> { success, failure ->
     reader.readAsArrayBuffer(this)
 }
 
+fun MPPFile.readBytes(): ByteArray {
+    val reader = FileReaderSync()
+    return reader.readAsArrayBuffer(this).toByteArray()
+}
+
 private suspend fun MPPFile.dirtyReadBytes(): ByteArray = readBytesPromise().await()
 
+/**
+ * @suppress
+ */
 actual val MPPFile.filename: FileName
     get() = FileName(name)
+/**
+ * @suppress
+ */
 actual val MPPFile.filesize: Long
     get() = size.toLong()
+/**
+ * @suppress
+ */
+@Warning("That is not optimized version of bytes allocator. Use asyncBytesAllocator everywhere you can")
+actual val MPPFile.bytesAllocatorSync: ByteArrayAllocator
+    get() = ::readBytes
+/**
+ * @suppress
+ */
 @Warning("That is not optimized version of bytes allocator. Use asyncBytesAllocator everywhere you can")
 actual val MPPFile.bytesAllocator: SuspendByteArrayAllocator
     get() = ::dirtyReadBytes

common/src/jsMain/kotlin/dev/inmo/micro_utils/common/OnClickOutside.kt

@@ -0,0 +1,38 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.browser.document
+import org.w3c.dom.*
+import org.w3c.dom.events.Event
+import org.w3c.dom.events.EventListener
+
+fun Element.onActionOutside(type: String, options: dynamic = null, callback: (Event) -> Unit): EventListener {
+    lateinit var observer: MutationObserver
+    val listener = EventListener {
+        val elementsToCheck = mutableListOf<Element>(this@onActionOutside)
+        while (it.target != this@onActionOutside && elementsToCheck.isNotEmpty()) {
+            val childrenGettingElement = elementsToCheck.removeFirst()
+            for (i in 0 until childrenGettingElement.childElementCount) {
+                elementsToCheck.add(childrenGettingElement.children[i] ?: continue)
+            }
+        }
+        if (elementsToCheck.isEmpty()) {
+            callback(it)
+        }
+    }
+    if (options == null) {
+        document.addEventListener(type, listener)
+    } else {
+        document.addEventListener(type, listener, options)
+    }
+    observer = onRemoved {
+        if (options == null) {
+            document.removeEventListener(type, listener)
+        } else {
+            document.removeEventListener(type, listener, options)
+        }
+        observer.disconnect()
+    }
+    return listener
+}
+
+fun Element.onClickOutside(options: dynamic = null, callback: (Event) -> Unit) = onActionOutside("click", options, callback)

common/src/jsMain/kotlin/dev/inmo/micro_utils/common/OpenLink.kt

@@ -0,0 +1,8 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.browser.window
+
+fun openLink(link: String, target: String = "_blank", features: String = "") {
+    window.open(link, target, features) ?.focus()
+}
+

common/src/jsMain/kotlin/dev/inmo/micro_utils/common/SelectFile.kt

@@ -0,0 +1,30 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.browser.document
+import kotlinx.dom.createElement
+import org.w3c.dom.HTMLElement
+import org.w3c.dom.HTMLInputElement
+import org.w3c.files.get
+
+fun selectFile(
+    inputSetup: (HTMLInputElement) -> Unit = {},
+    onFailure: (Throwable) -> Unit = {},
+    onFile: (MPPFile) -> Unit
+) {
+    (document.createElement("input") {
+        (this as HTMLInputElement).apply {
+            type = "file"
+            onchange = {
+                runCatching {
+                    files ?.get(0) ?: error("File must not be null")
+                }.onSuccess {
+                    onFile(it)
+                }.onFailure {
+                    onFailure(it)
+                }
+            }
+            inputSetup(this)
+        }
+    } as HTMLElement).click()
+}
+

common/src/jsMain/kotlin/dev/inmo/micro_utils/common/TriggerDownload.kt

@@ -0,0 +1,14 @@
+package dev.inmo.micro_utils.common
+
+import kotlinx.browser.document
+import org.w3c.dom.HTMLAnchorElement
+
+fun triggerDownloadFile(filename: String, fileLink: String) {
+    val hiddenElement = document.createElement("a") as HTMLAnchorElement
+
+    hiddenElement.href = fileLink
+    hiddenElement.target = "_blank"
+    hiddenElement.download = filename
+    hiddenElement.click()
+}
+

common/src/jvmMain/kotlin/dev/inmo/micro_utils/common/JVMMPPFile.kt

@@ -4,12 +4,29 @@ import dev.inmo.micro_utils.coroutines.doInIO
 import dev.inmo.micro_utils.coroutines.doOutsideOfCoroutine
 import java.io.File
 
+/**
+ * @suppress
+ */
 actual typealias MPPFile = File
 
+/**
+ * @suppress
+ */
 actual val MPPFile.filename: FileName
     get() = FileName(name)
+/**
+ * @suppress
+ */
 actual val MPPFile.filesize: Long
     get() = length()
+/**
+ * @suppress
+ */
+actual val MPPFile.bytesAllocatorSync: ByteArrayAllocator
+    get() = ::readBytes
+/**
+ * @suppress
+ */
 actual val MPPFile.bytesAllocator: SuspendByteArrayAllocator
     get() = {
         doInIO {

coroutines/build.gradle

@@ -10,12 +10,17 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
-                api "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
+                api libs.kt.coroutines
+            }
+        }
+        jsMain {
+            dependencies {
+                api project(":micro_utils.common")
             }
         }
         androidMain {
             dependencies {
-                api "org.jetbrains.kotlinx:kotlinx-coroutines-android:$kotlin_coroutines_version"
+                api libs.kt.coroutines.android
             }
         }
     }

coroutines/compose/build.gradle

@@ -0,0 +1,20 @@
+plugins {
+    id "org.jetbrains.kotlin.multiplatform"
+    id "org.jetbrains.kotlin.plugin.serialization"
+    id "com.android.library"
+    alias(libs.plugins.jb.compose)
+}
+
+apply from: "$mppProjectWithSerializationAndComposePresetPath"
+
+kotlin {
+    sourceSets {
+        commonMain {
+            dependencies {
+                api libs.kt.coroutines
+                api project(":micro_utils.coroutines")
+                api project(":micro_utils.common.compose")
+            }
+        }
+    }
+}

coroutines/compose/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/compose/FlowToState.kt

@@ -0,0 +1,23 @@
+package dev.inmo.micro_utils.coroutines.compose
+
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.mutableStateOf
+import dev.inmo.micro_utils.coroutines.subscribeSafelyWithoutExceptions
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.StateFlow
+
+fun <T> Flow<T>.toMutableState(
+    initial: T,
+    scope: CoroutineScope
+): MutableState<T> {
+    val state = mutableStateOf(initial)
+    subscribeSafelyWithoutExceptions(scope) { state.value = it }
+    return state
+}
+
+@Suppress("NOTHING_TO_INLINE")
+inline fun <T> StateFlow<T>.toMutableState(
+    scope: CoroutineScope
+): MutableState<T> = toMutableState(value, scope)
+

coroutines/compose/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/compose/LinkCompositionToJob.kt

@@ -0,0 +1,14 @@
+package dev.inmo.micro_utils.coroutines.compose
+
+import androidx.compose.runtime.*
+import kotlinx.coroutines.Job
+import kotlinx.coroutines.job
+import kotlin.coroutines.CoroutineContext
+
+fun Composition.linkWithJob(job: Job) {
+    job.invokeOnCompletion {
+        this@linkWithJob.dispose()
+    }
+}
+
+fun Composition.linkWithContext(coroutineContext: CoroutineContext) = linkWithJob(coroutineContext.job)

coroutines/compose/src/jsMain/kotlin/dev/inmo/micro_utils/coroutines/compose/RenderComposableWithLinkToContext.kt

@@ -0,0 +1,26 @@
+package dev.inmo.micro_utils.coroutines.compose
+
+import androidx.compose.runtime.*
+import dev.inmo.micro_utils.common.compose.linkWithElement
+import kotlinx.coroutines.*
+import org.jetbrains.compose.web.dom.DOMScope
+import org.w3c.dom.Element
+
+suspend fun <TElement : Element> renderComposableAndLinkToContext(
+    root: TElement,
+    monotonicFrameClock: MonotonicFrameClock = DefaultMonotonicFrameClock,
+    content: @Composable DOMScope<TElement>.() -> Unit
+): Composition = org.jetbrains.compose.web.renderComposable(root, monotonicFrameClock, content).apply {
+    linkWithContext(
+        currentCoroutineContext()
+    )
+}
+
+suspend fun <TElement : Element> renderComposableAndLinkToContextAndRoot(
+    root: TElement,
+    monotonicFrameClock: MonotonicFrameClock = DefaultMonotonicFrameClock,
+    content: @Composable DOMScope<TElement>.() -> Unit
+): Composition = org.jetbrains.compose.web.renderComposable(root, monotonicFrameClock, content).apply {
+    linkWithContext(currentCoroutineContext())
+    linkWithElement(root)
+}

coroutines/compose/src/main/AndroidManifest.xml

@@ -0,0 +1 @@
+<manifest package="dev.inmo.micro_utils.coroutines.compose"/>

coroutines/src/commonMain/kotlin/dev/inmo/micro_utils/coroutines/AccumulatorFlow.kt

@@ -0,0 +1,94 @@
+package dev.inmo.micro_utils.coroutines
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.channels.BufferOverflow
+import kotlinx.coroutines.channels.Channel
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+
+private sealed interface AccumulatorFlowStep
+private data class DataRetrievedAccumulatorFlowStep(val data: Any) : AccumulatorFlowStep
+private data class SubscribeAccumulatorFlowStep(val channel: Channel<Any>) : AccumulatorFlowStep
+private data class UnsubscribeAccumulatorFlowStep(val channel: Channel<Any>) : AccumulatorFlowStep
+
+/**
+ * This [Flow] will have behaviour very similar to [SharedFlow], but there are several differences:
+ *
+ * * All unhandled by [FlowCollector] data will not be removed from [AccumulatorFlow] and will be sent to new
+ * [FlowCollector]s until anybody will handle it
+ * * Here there are an [activeData] where data [T] will be stored until somebody will handle it
+ */
+class AccumulatorFlow<T>(
+    sourceDataFlow: Flow<T>,
+    scope: CoroutineScope
+) : AbstractFlow<T>() {
+    private val subscope = scope.LinkedSupervisorScope()
+    private val activeData = ArrayDeque<T>()
+    private val dataMutex = Mutex()
+    private val channelsForBroadcast = mutableListOf<Channel<Any>>()
+    private val channelsMutex = Mutex()
+    private val steps = subscope.actor<AccumulatorFlowStep> { step ->
+        when (step) {
+            is DataRetrievedAccumulatorFlowStep -> {
+                if (activeData.first() === step.data) {
+                    dataMutex.withLock {
+                        activeData.removeFirst()
+                    }
+                }
+            }
+            is SubscribeAccumulatorFlowStep -> channelsMutex.withLock {
+                channelsForBroadcast.add(step.channel)
+                dataMutex.withLock {
+                    val dataToSend = activeData.toList()
+                    safelyWithoutExceptions {
+                        dataToSend.forEach { step.channel.send(it as Any) }
+                    }
+                }
+            }
+            is UnsubscribeAccumulatorFlowStep -> channelsMutex.withLock {
+                channelsForBroadcast.remove(step.channel)
+            }
+        }
+    }
+    private val subscriptionJob = sourceDataFlow.subscribeSafelyWithoutExceptions(subscope) {
+        dataMutex.withLock {
+            activeData.addLast(it)
+        }
+        channelsMutex.withLock {
+            channelsForBroadcast.forEach { channel ->
+                safelyWithResult {
+                    channel.send(it as Any)
+                }
+            }
+        }
+    }
+
+    override suspend fun collectSafely(collector: FlowCollector<T>) {
+        val channel = Channel<Any>(Channel.UNLIMITED, BufferOverflow.SUSPEND)
+        steps.send(SubscribeAccumulatorFlowStep(channel))
+        for (data in channel) {
+            try {
+                collector.emit(data as T)
+                steps.send(DataRetrievedAccumulatorFlowStep(data))
+            } finally {
+                channel.cancel()
+                steps.send(UnsubscribeAccumulatorFlowStep(channel))
+            }
+        }
+    }
+}
+
+/**
+ * Creates [AccumulatorFlow] using [this] as base [Flow]
+ */
+fun <T> Flow<T>.accumulatorFlow(scope: CoroutineScope): Flow<T> {
+    return AccumulatorFlow(this, scope)
+}
+
+/**
+ * Creates [AccumulatorFlow] using [this] with [receiveAsFlow] to get
+ */
+fun <T> Channel<T>.accumulatorFlow(scope: CoroutineScope): Flow<T> {
+    return receiveAsFlow().accumulatorFlow(scope)
+}

coroutines/src/jsMain/kotlin/dev.inmo.micro_utils.coroutines/ElementVisibilityFlow.kt

@@ -0,0 +1,28 @@
+package dev.inmo.micro_utils.coroutines
+
+import dev.inmo.micro_utils.common.onRemoved
+import dev.inmo.micro_utils.common.onVisibilityChanged
+import kotlinx.coroutines.flow.*
+import org.w3c.dom.Element
+
+fun Element.visibilityFlow(): Flow<Boolean> = channelFlow {
+    var previousData: Boolean? = null
+
+    val observer = onVisibilityChanged { intersectionRatio, _ ->
+        val currentData = intersectionRatio > 0
+        if (currentData != previousData) {
+            trySend(currentData)
+        }
+        previousData = currentData
+    }
+
+    val removeObserver = onRemoved {
+        observer.disconnect()
+        close()
+    }
+
+    invokeOnClose {
+        observer.disconnect()
+        removeObserver.disconnect()
+    }
+}

coroutines/src/jsMain/kotlin/dev.inmo.micro_utils.coroutines/SelectFile.kt

@@ -0,0 +1,42 @@
+package dev.inmo.micro_utils.coroutines
+
+import dev.inmo.micro_utils.common.MPPFile
+import dev.inmo.micro_utils.common.selectFile
+import kotlinx.coroutines.CompletableDeferred
+import org.w3c.dom.HTMLInputElement
+
+suspend fun selectFileOrThrow(
+    inputSetup: (HTMLInputElement) -> Unit = {}
+): MPPFile {
+    val result = CompletableDeferred<MPPFile>()
+
+    selectFile(
+        inputSetup,
+        {
+            result.completeExceptionally(it)
+        }
+    ) {
+        result.complete(it)
+    }
+
+    return result.await()
+}
+
+suspend fun selectFileOrNull(
+    inputSetup: (HTMLInputElement) -> Unit = {},
+    onFailure: (Throwable) -> Unit = {}
+): MPPFile? {
+    val result = CompletableDeferred<MPPFile?>()
+
+    selectFile(
+        inputSetup,
+        {
+            result.complete(null)
+            onFailure(it)
+        }
+    ) {
+        result.complete(it)
+    }
+
+    return result.await()
+}

crypto/src/commonMain/kotlin/dev/inmo/micro_utils/crypto/Hex.kt

@@ -0,0 +1,15 @@
+package dev.inmo.micro_utils.crypto
+
+val HEX_ARRAY = "0123456789abcdef".toCharArray()
+
+fun SourceBytes.hex(): String {
+    val hexChars = CharArray(size * 2)
+    for (j in indices) {
+        val v: Int = this[j].toInt() and 0xFF
+        hexChars[j * 2] = HEX_ARRAY[v ushr 4]
+        hexChars[j * 2 + 1] = HEX_ARRAY[v and 0x0F]
+    }
+    return hexChars.concatToString()
+}
+
+fun SourceString.hex(): String = encodeToByteArray().hex()

crypto/src/commonMain/kotlin/dev/inmo/micro_utils/crypto/Sha.kt

@@ -0,0 +1,3 @@
+package dev.inmo.micro_utils.crypto
+
+expect fun SourceString.hmacSha256(key: String): String

crypto/src/commonTest/kotlin/dev/inmo/micro_utils/crypto/Hex.kt

@@ -0,0 +1,15 @@
+package dev.inmo.micro_utils.crypto
+
+import kotlin.test.*
+
+class Hex {
+    @Test
+    fun testSimpleHmacSHA256Message() {
+        val text = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."
+        val resultHex = text.hex()
+        assertEquals(
+            "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",
+            resultHex
+        )
+    }
+}

crypto/src/commonTest/kotlin/dev/inmo/micro_utils/crypto/HmacSHA256.kt

@@ -0,0 +1,12 @@
+package dev.inmo.micro_utils.crypto
+
+import kotlin.test.*
+
+class HmacSHA256 {
+    @Test
+    fun testSimpleHmacSHA256Message() {
+        val text = "Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum."
+        val resultSha = text.hmacSha256("Example")
+        assertEquals("5a481d59329ef862b158eedc95392ebb22492ba3014661a3379d8201db992484", resultSha)
+    }
+}

crypto/src/jsMain/kotlin/dev/inmo/micro_utils/crypto/CryptoJs.kt

@@ -7,3 +7,7 @@ external interface CryptoJs {
 @JsModule("crypto-js")
 @JsNonModule
 external val CryptoJS: CryptoJs
+
+actual fun SourceString.hmacSha256(key: String): String {
+    return CryptoJS.asDynamic().HmacSHA256(this, key).toString().unsafeCast<String>()
+}

crypto/src/jsMain/kotlin/dev/inmo/micro_utils/crypto/MD5Realization.kt

@@ -1,3 +1,6 @@
 package dev.inmo.micro_utils.crypto
 
+/**
+ * @suppress
+ */
 actual fun SourceBytes.md5(): MD5 = CryptoJS.MD5(decodeToString())

crypto/src/jvmMain/kotlin/dev/inmo/micro_utils/crypto/MD5Realization.kt

@@ -3,6 +3,9 @@ package dev.inmo.micro_utils.crypto
 import java.math.BigInteger
 import java.security.MessageDigest
 
+/**
+ * @suppress
+ */
 actual fun SourceBytes.md5(): MD5 = BigInteger(
     1,
     MessageDigest.getInstance("MD5").digest(this)

crypto/src/jvmMain/kotlin/dev/inmo/micro_utils/crypto/ShaHexActual.kt

@@ -0,0 +1,13 @@
+package dev.inmo.micro_utils.crypto
+
+import javax.crypto.Mac
+import javax.crypto.spec.SecretKeySpec
+
+actual fun SourceString.hmacSha256(key: String): String {
+    val mac = Mac.getInstance("HmacSHA256")
+
+    val secretKey = SecretKeySpec(key.toByteArray(), "HmacSHA256")
+    mac.init(secretKey)
+
+    return mac.doFinal(toByteArray()).hex()
+}

defaultAndroidSettings.gradle

@@ -26,12 +26,12 @@ ext {
 }
 
 android {
-    compileSdkVersion "$android_compileSdkVersion".toInteger()
-    buildToolsVersion "$android_buildToolsVersion"
+    compileSdkVersion libs.versions.android.props.compileSdk.get().toInteger()
+    buildToolsVersion libs.versions.android.props.buildTools.get()
 
     defaultConfig {
-        minSdkVersion "$android_minSdkVersion".toInteger()
-        targetSdkVersion "$android_compileSdkVersion".toInteger()
+        minSdkVersion libs.versions.android.props.minSdk.get().toInteger()
+        targetSdkVersion libs.versions.android.props.compileSdk.get().toInteger()
         versionCode "${android_code_version}".toInteger()
         versionName "$version"
     }

dokka/build.gradle

@@ -13,10 +13,10 @@ repositories {
 
 kotlin {
     jvm()
-    js(IR) {
-        browser()
-        nodejs()
-    }
+//    js(IR) {
+//        browser()
+//        nodejs()
+//    }
     android {}
 
     sourceSets {
@@ -29,7 +29,7 @@ kotlin {
                         it != project
                         && it.hasProperty("kotlin")
                         && it.kotlin.sourceSets.any { it.name.contains("commonMain") }
-                        && it.kotlin.sourceSets.any { it.name.contains("jsMain") }
+//                        && it.kotlin.sourceSets.any { it.name.contains("jsMain") }
                         && it.kotlin.sourceSets.any { it.name.contains("jvmMain") }
                         && it.kotlin.sourceSets.any { it.name.contains("androidMain") }
                     ) {
@@ -38,22 +38,22 @@ kotlin {
                 }
             }
         }
-        jsMain {
-            dependencies {
-                implementation kotlin('stdlib')
+//        jsMain {
+//            dependencies {
+//                implementation kotlin('stdlib')
 
-                project.parent.subprojects.forEach {
-                    if (
-                        it != project
-                        && it.hasProperty("kotlin")
-                        && it.kotlin.sourceSets.any { it.name.contains("commonMain") }
-                        && it.kotlin.sourceSets.any { it.name.contains("jsMain") }
-                    ) {
-                        api it
-                    }
-                }
-            }
-        }
+//                project.parent.subprojects.forEach {
+//                    if (
+//                        it != project
+//                        && it.hasProperty("kotlin")
+//                        && it.kotlin.sourceSets.any { it.name.contains("commonMain") }
+//                        && it.kotlin.sourceSets.any { it.name.contains("jsMain") }
+//                    ) {
+//                        api it
+//                    }
+//                }
+//            }
+//        }
         jvmMain {
             dependencies {
                 implementation kotlin('stdlib')
@@ -116,9 +116,9 @@ tasks.dokkaHtml {
             sourceRoots.setFrom(findSourcesWithName("commonMain"))
         }
 
-        named("jsMain") {
-            sourceRoots.setFrom(findSourcesWithName("jsMain", "commonMain"))
-        }
+//        named("jsMain") {
+//            sourceRoots.setFrom(findSourcesWithName("jsMain", "commonMain"))
+//        }
 
         named("jvmMain") {
             sourceRoots.setFrom(findSourcesWithName("jvmMain", "commonMain"))

extensions.gradle

@@ -21,6 +21,7 @@ allprojects {
         releaseMode = (project.hasProperty('RELEASE_MODE') && project.property('RELEASE_MODE') == "true") || System.getenv('RELEASE_MODE') == "true"
 
         mppProjectWithSerializationPresetPath = "${rootProject.projectDir.absolutePath}/mppProjectWithSerialization.gradle"
+        mppProjectWithSerializationAndComposePresetPath = "${rootProject.projectDir.absolutePath}/mppProjectWithSerializationAndCompose.gradle"
         mppJavaProjectPresetPath = "${rootProject.projectDir.absolutePath}/mppJavaProject.gradle"
         mppAndroidProjectPresetPath = "${rootProject.projectDir.absolutePath}/mppAndroidProject.gradle"
 

fsm/common/build.gradle

@@ -10,6 +10,7 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
+                api project(":micro_utils.common")
                 api project(":micro_utils.coroutines")
             }
         }

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/CheckableHandlerHolder.kt

@@ -0,0 +1,81 @@
+package dev.inmo.micro_utils.fsm.common
+
+import kotlin.reflect.KClass
+
+/**
+ * Define checkable holder which can be used to precheck that this handler may handle incoming [State]
+ */
+interface CheckableHandlerHolder<I : State, O : State> : StatesHandler<I, O> {
+    suspend fun checkHandleable(state: O): Boolean
+}
+
+/**
+ * Default realization of [StatesHandler]. It will incapsulate checking of [State] type in [checkHandleable] and class
+ * casting in [handleState]
+ */
+class CustomizableHandlerHolder<I : O, O : State>(
+    private val delegateTo: StatesHandler<I, O>,
+    private val filter: suspend (state: O) -> Boolean
+) : CheckableHandlerHolder<I, O> {
+    /**
+     * Checks that [state] can be handled by [delegateTo]. Under the hood it will check exact equality of [state]
+     * [KClass] and use [KClass.isInstance] of [inputKlass] if [strict] == false
+     */
+    override suspend fun checkHandleable(state: O) = filter(state)
+
+    /**
+     * Calls [delegateTo] method [StatesHandler.handleState] with [state] casted to [I]. Use [checkHandleable]
+     * to be sure that this [StatesHandlerHolder] will be able to handle [state]
+     */
+    override suspend fun StatesMachine<in O>.handleState(state: I): O? {
+        return delegateTo.run { handleState(state) }
+    }
+}
+
+fun <I : O, O : State> CheckableHandlerHolder(
+    inputKlass: KClass<I>,
+    strict: Boolean = false,
+    delegateTo: StatesHandler<I, O>
+) = CustomizableHandlerHolder(
+    StatesHandler<O, O> {
+        delegateTo.run { handleState(it as I) }
+    },
+    if (strict) {
+        { it::class == inputKlass }
+    } else {
+        { inputKlass.isInstance(it) }
+    }
+)
+
+@Deprecated("Renamed", ReplaceWith("CheckableHandlerHolder"))
+fun <I : O, O : State> StateHandlerHolder(
+    inputKlass: KClass<I>,
+    strict: Boolean = false,
+    delegateTo: StatesHandler<I, O>
+) = CheckableHandlerHolder(inputKlass, strict, delegateTo)
+
+inline fun <reified I : O, O : State> CheckableHandlerHolder(
+    strict: Boolean = false,
+    delegateTo: StatesHandler<I, O>
+) = CheckableHandlerHolder(I::class, strict, delegateTo)
+
+@Deprecated("Renamed", ReplaceWith("CheckableHandlerHolder"))
+inline fun <reified I : O, O : State> StateHandlerHolder(
+    strict: Boolean = false,
+    delegateTo: StatesHandler<I, O>
+) = CheckableHandlerHolder(strict, delegateTo)
+
+inline fun <reified I : O, O: State> StatesHandler<I, O>.holder(
+    strict: Boolean = true
+) = CheckableHandlerHolder<I, O>(
+    I::class,
+    strict,
+    this
+)
+
+inline fun <I : O, O: State> StatesHandler<I, O>.holder(
+    noinline filter: suspend (state: State) -> Boolean
+) = CustomizableHandlerHolder<O, O>(
+    { this@holder.run { handleState(it as I) } },
+    filter
+)

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/StateHandlerHolder.kt

@@ -1,15 +0,0 @@
-package dev.inmo.micro_utils.fsm.common
-
-import kotlin.reflect.KClass
-
-class StateHandlerHolder<I : State>(
-    private val inputKlass: KClass<I>,
-    private val strict: Boolean = false,
-    private val delegateTo: StatesHandler<I>
-) : StatesHandler<State> {
-    fun checkHandleable(state: State) = state::class == inputKlass || (!strict && inputKlass.isInstance(state))
-
-    override suspend fun StatesMachine.handleState(state: State): State? {
-        return delegateTo.run { handleState(state as I) }
-    }
-}

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/StatesHandler.kt

@@ -1,5 +1,12 @@
 package dev.inmo.micro_utils.fsm.common
 
-fun interface StatesHandler<I : State> {
-    suspend fun StatesMachine.handleState(state: I): State?
+/**
+ * Default realization of states handler
+ */
+fun interface StatesHandler<I : State, O: State> {
+    /**
+     * Main handling of [state]. In case when this [state] leads to another [State] and [handleState] returns not null
+     * [State] it is assumed that chain is not completed.
+     */
+    suspend fun StatesMachine<in O>.handleState(state: I): O?
 }

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/StatesMachine.kt

@@ -1,46 +1,130 @@
 package dev.inmo.micro_utils.fsm.common
 
+import dev.inmo.micro_utils.common.Optional
+import dev.inmo.micro_utils.common.onPresented
 import dev.inmo.micro_utils.coroutines.*
 import kotlinx.coroutines.*
-import kotlinx.coroutines.flow.asFlow
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
 
-private suspend fun <I : State> StatesMachine.launchStateHandling(
-    state: State,
-    handlers: List<StateHandlerHolder<out I>>
-): State? {
-    return handlers.firstOrNull { it.checkHandleable(state) } ?.run {
-        handleState(state)
+/**
+ * Default [StatesMachine] may [startChain] and use inside logic for handling [State]s. By default you may use
+ * [DefaultStatesMachine] or build it with [dev.inmo.micro_utils.fsm.common.dsl.buildFSM]. Implementers MUST NOT start
+ * handling until [start] method will be called
+ */
+interface StatesMachine<T : State> : StatesHandler<T, T> {
+    suspend fun launchStateHandling(
+        state: T,
+        handlers: List<CheckableHandlerHolder<in T, T>>
+    ): T? {
+        return handlers.firstOrNull { it.checkHandleable(state) } ?.run {
+            handleState(state)
+        }
+    }
+
+    /**
+     * Starts handling of [State]s
+     */
+    fun start(scope: CoroutineScope): Job
+
+    /**
+     * Start chain of [State]s witn [state]
+     */
+    suspend fun startChain(state: T)
+
+    companion object {
+        /**
+         * Creates [DefaultStatesMachine]
+         */
+        operator fun <T: State> invoke(
+            statesManager: StatesManager<T>,
+            handlers: List<CheckableHandlerHolder<in T, T>>
+        ) = DefaultStatesMachine(statesManager, handlers)
     }
 }
 
-class StatesMachine (
-    private val statesManager: StatesManager,
-    private val handlers: List<StateHandlerHolder<*>>
-) : StatesHandler<State> {
-    override suspend fun StatesMachine.handleState(state: State): State? = launchStateHandling(state, handlers)
+/**
+ * Default realization of [StatesMachine]. It uses [statesManager] for incapsulation of [State]s storing and contexts
+ * resolving, and uses [launchStateHandling] for [State] handling.
+ *
+ * This class suppose to be extended in case you wish some custom behaviour inside of [launchStateHandling], for example
+ */
+open class DefaultStatesMachine <T: State>(
+    protected val statesManager: StatesManager<T>,
+    protected val handlers: List<CheckableHandlerHolder<in T, T>>,
+) : StatesMachine<T> {
+    /**
+     * Will call [launchStateHandling] for state handling
+     */
+    override suspend fun StatesMachine<in T>.handleState(state: T): T? = launchStateHandling(state, handlers)
 
-    fun start(scope: CoroutineScope): Job = scope.launchSafelyWithoutExceptions {
-        val statePerformer: suspend (State) -> Unit = { state: State ->
-            val newState = launchStateHandling(state, handlers)
-            if (newState != null) {
-                statesManager.update(state, newState)
-            } else {
-                statesManager.endChain(state)
+    /**
+     * This
+     */
+    protected val statesJobs = mutableMapOf<T, Job>()
+    protected val statesJobsMutex = Mutex()
+
+    protected open suspend fun performUpdate(state: T) {
+        val newState = launchStateHandling(state, handlers)
+        if (newState != null) {
+            statesManager.update(state, newState)
+        } else {
+            statesManager.endChain(state)
+        }
+    }
+
+    open suspend fun performStateUpdate(previousState: Optional<T>, actualState: T, scope: CoroutineScope) {
+        statesJobsMutex.withLock {
+            statesJobs[actualState] ?.cancel()
+            statesJobs[actualState] = scope.launch {
+                performUpdate(actualState)
+            }.also { job ->
+                job.invokeOnCompletion { _ ->
+                    scope.launch {
+                        statesJobsMutex.withLock {
+                            if (statesJobs[actualState] == job) {
+                                statesJobs.remove(actualState)
+                            }
+                        }
+                    }
+                }
             }
         }
+    }
+
+    /**
+     * Launch handling of states. On [statesManager] [StatesManager.onStartChain],
+     * [statesManager] [StatesManager.onChainStateUpdated] will be called lambda with performing of state. If
+     * [launchStateHandling] will returns some [State] then [statesManager] [StatesManager.update] will be used, otherwise
+     * [StatesManager.endChain].
+     */
+    override fun start(scope: CoroutineScope): Job = scope.launchSafelyWithoutExceptions {
         statesManager.onStartChain.subscribeSafelyWithoutExceptions(this) {
-            launch { statePerformer(it) }
+            launch { performStateUpdate(Optional.absent(), it, scope.LinkedSupervisorScope()) }
         }
         statesManager.onChainStateUpdated.subscribeSafelyWithoutExceptions(this) {
-            launch { statePerformer(it.second) }
+            launch { performStateUpdate(Optional.presented(it.first), it.second, scope.LinkedSupervisorScope()) }
+        }
+        statesManager.onEndChain.subscribeSafelyWithoutExceptions(this) { removedState ->
+            launch {
+                statesJobsMutex.withLock {
+                    val stateInMap = statesJobs.keys.firstOrNull { stateInMap -> stateInMap == removedState }
+                    if (stateInMap === removedState) {
+                        statesJobs[stateInMap] ?.cancel()
+                    }
+                }
+            }
         }
 
         statesManager.getActiveStates().forEach {
-            launch { statePerformer(it) }
+            launch { performStateUpdate(Optional.absent(), it, scope.LinkedSupervisorScope()) }
         }
     }
 
-    suspend fun startChain(state: State) {
+    /**
+     * Just calls [StatesManager.startChain] of [statesManager]
+     */
+    override suspend fun startChain(state: T) {
         statesManager.startChain(state)
     }
 }

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/StatesManager.kt

@@ -1,92 +1,30 @@
 package dev.inmo.micro_utils.fsm.common
 
-import kotlinx.coroutines.flow.*
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
+import kotlinx.coroutines.flow.Flow
 
-interface StatesManager {
-    val onChainStateUpdated: Flow<Pair<State, State>>
-    val onStartChain: Flow<State>
-    val onEndChain: Flow<State>
+interface StatesManager<T : State> {
+    val onChainStateUpdated: Flow<Pair<T, T>>
+    val onStartChain: Flow<T>
+    val onEndChain: Flow<T>
 
 
     /**
      * Must set current set using [State.context]
      */
-    suspend fun update(old: State, new: State)
+    suspend fun update(old: T, new: T)
 
     /**
      * Starts chain with [state] as first [State]. May returns false in case of [State.context] of [state] is already
      * busy by the other [State]
      */
-    suspend fun startChain(state: State)
+    suspend fun startChain(state: T)
 
     /**
      * Ends chain with context from [state]. In case when [State.context] of [state] is absent, [state] should be just
      * ignored
      */
-    suspend fun endChain(state: State)
+    suspend fun endChain(state: T)
 
-    suspend fun getActiveStates(): List<State>
+    suspend fun getActiveStates(): List<T>
 }
 
-/**
- * @param onContextsConflictResolver Receive old [State], new one and the state currently placed on new [State.context]
- * key. In case when this callback will returns true, the state placed on [State.context] of new will be replaced by
- * new state by using [endChain] with that state
- */
-class InMemoryStatesManager(
-    private val onContextsConflictResolver: suspend (old: State, new: State, currentNew: State) -> Boolean = { _, _, _ -> true }
-) : StatesManager {
-    private val _onChainStateUpdated = MutableSharedFlow<Pair<State, State>>(0)
-    override val onChainStateUpdated: Flow<Pair<State, State>> = _onChainStateUpdated.asSharedFlow()
-    private val _onStartChain = MutableSharedFlow<State>(0)
-    override val onStartChain: Flow<State> = _onStartChain.asSharedFlow()
-    private val _onEndChain = MutableSharedFlow<State>(0)
-    override val onEndChain: Flow<State> = _onEndChain.asSharedFlow()
-
-    private val contextsToStates = mutableMapOf<Any, State>()
-    private val mapMutex = Mutex()
-
-    override suspend fun update(old: State, new: State) = mapMutex.withLock {
-        when {
-            contextsToStates[old.context] != old -> return@withLock
-            old.context == new.context || !contextsToStates.containsKey(new.context) -> {
-                contextsToStates[old.context] = new
-                _onChainStateUpdated.emit(old to new)
-            }
-            else -> {
-                val stateOnNewOneContext = contextsToStates.getValue(new.context)
-                if (onContextsConflictResolver(old, new, stateOnNewOneContext)) {
-                    endChainWithoutLock(stateOnNewOneContext)
-                    contextsToStates.remove(old.context)
-                    contextsToStates[new.context] = new
-                    _onChainStateUpdated.emit(old to new)
-                }
-            }
-        }
-    }
-
-    override suspend fun startChain(state: State) = mapMutex.withLock {
-        if (!contextsToStates.containsKey(state.context)) {
-            contextsToStates[state.context] = state
-            _onStartChain.emit(state)
-        }
-    }
-
-    private suspend fun endChainWithoutLock(state: State) {
-        if (contextsToStates[state.context] == state) {
-            contextsToStates.remove(state.context)
-            _onEndChain.emit(state)
-        }
-    }
-
-    override suspend fun endChain(state: State) {
-        mapMutex.withLock {
-            endChainWithoutLock(state)
-        }
-    }
-
-    override suspend fun getActiveStates(): List<State> = contextsToStates.values.toList()
-
-}

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/UpdatableStatesMachine.kt

@@ -0,0 +1,72 @@
+package dev.inmo.micro_utils.fsm.common
+
+import dev.inmo.micro_utils.common.*
+import kotlinx.coroutines.*
+import kotlinx.coroutines.sync.withLock
+
+/**
+ * This extender of [StatesMachine] interface declare one new function [updateChain]. Realizations of this interface
+ * must be able to perform update of chain in internal [StatesManager]
+ */
+interface UpdatableStatesMachine<T : State> : StatesMachine<T> {
+    /**
+     * Update chain with current state equal to [currentState] with [newState]. Behaviour of this update preforming
+     * in cases when [currentState] does not exist in [StatesManager] must be declared inside of realization of
+     * [StatesManager.update] function
+     */
+    suspend fun updateChain(currentState: T, newState: T)
+}
+
+open class DefaultUpdatableStatesMachine<T : State>(
+    statesManager: StatesManager<T>,
+    handlers: List<CheckableHandlerHolder<in T, T>>,
+) : DefaultStatesMachine<T>(
+    statesManager,
+    handlers
+), UpdatableStatesMachine<T> {
+    protected val jobsStates = mutableMapOf<Job, T>()
+
+    /**
+     * Realization of this update will use the [Job] of [previousState] in [statesJobs] and [jobsStates] if
+     * [previousState] is [Optional.presented] and [shouldReplaceJob] has returned true for [previousState] and [actualState]. In
+     * other words, [Job] of [previousState] WILL NOT be replaced with the new one if they are "equal". Equality of
+     * states is solved in [shouldReplaceJob] and can be rewritten in subclasses
+     */
+    override suspend fun performStateUpdate(previousState: Optional<T>, actualState: T, scope: CoroutineScope) {
+        statesJobsMutex.withLock {
+            if (compare(previousState, actualState)) {
+                statesJobs[actualState] ?.cancel()
+            }
+            val job = previousState.mapOnPresented {
+                statesJobs.remove(it)
+            } ?.takeIf { it.isActive } ?: scope.launch {
+                performUpdate(actualState)
+            }.also { job ->
+                job.invokeOnCompletion { _ ->
+                    scope.launch {
+                        statesJobsMutex.withLock {
+                            statesJobs.remove(
+                                jobsStates[job] ?: return@withLock
+                            )
+                        }
+                    }
+                }
+            }
+            jobsStates.remove(job)
+            statesJobs[actualState] = job
+            jobsStates[job] = actualState
+        }
+    }
+
+    /**
+     * Compare if [previous] potentially lead to the same behaviour with [new]
+     */
+    protected open suspend fun shouldReplaceJob(previous: Optional<T>, new: T): Boolean = previous.dataOrNull() != new
+
+    @Deprecated("Overwrite shouldReplaceJob instead")
+    protected open suspend fun compare(previous: Optional<T>, new: T): Boolean = shouldReplaceJob(previous, new)
+
+    override suspend fun updateChain(currentState: T, newState: T) {
+        statesManager.update(currentState, newState)
+    }
+}

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/dsl/FSMBuilder.kt

@@ -1,35 +1,61 @@
 package dev.inmo.micro_utils.fsm.common.dsl
 
 import dev.inmo.micro_utils.fsm.common.*
+import dev.inmo.micro_utils.fsm.common.managers.DefaultStatesManager
+import dev.inmo.micro_utils.fsm.common.managers.InMemoryDefaultStatesManagerRepo
 import kotlin.reflect.KClass
 
-class FSMBuilder(
-    var statesManager: StatesManager = InMemoryStatesManager()
+class FSMBuilder<T : State>(
+    var statesManager: StatesManager<T> = DefaultStatesManager(InMemoryDefaultStatesManagerRepo()),
+    val fsmBuilder: (statesManager: StatesManager<T>, states: List<CheckableHandlerHolder<T, T>>) -> StatesMachine<T> = { statesManager, states ->
+        StatesMachine(
+            statesManager,
+            states
+        )
+    },
+    var defaultStateHandler: StatesHandler<T, T>? = StatesHandler { null }
 ) {
-    private var states = mutableListOf<StateHandlerHolder<*>>()
+    private var states = mutableListOf<CheckableHandlerHolder<T, T>>()
 
-    fun <I : State> add(kClass: KClass<I>, handler: StatesHandler<I>) {
-        states.add(StateHandlerHolder(kClass, false, handler))
+    fun add(handler: CheckableHandlerHolder<T, T>) {
+        states.add(handler)
     }
 
-    fun <I : State> addStrict(kClass: KClass<I>, handler: StatesHandler<I>) {
-        states.add(StateHandlerHolder(kClass, true, handler))
+    fun <I : T> add(kClass: KClass<I>, handler: StatesHandler<I, T>) {
+        add(CheckableHandlerHolder(kClass, false, handler))
     }
 
-    fun build() = StatesMachine(
+    fun <I : T> add(filter: suspend (state: State) -> Boolean, handler: StatesHandler<I, T>) {
+        add(handler.holder(filter))
+    }
+
+    fun <I : T> addStrict(kClass: KClass<I>, handler: StatesHandler<I, T>) {
+        states.add(CheckableHandlerHolder(kClass, true, handler))
+    }
+
+    inline fun <reified I : T> onStateOrSubstate(handler: StatesHandler<I, T>) {
+        add(I::class, handler)
+    }
+
+    inline fun <reified I : T> strictlyOn(handler: StatesHandler<I, T>) {
+        addStrict(I::class, handler)
+    }
+
+    inline fun <reified I : T> doWhen(
+        noinline filter: suspend (state: State) -> Boolean,
+        handler: StatesHandler<I, T>
+    ) {
+        add(filter, handler)
+    }
+
+    fun build() = fsmBuilder(
         statesManager,
-        states.toList()
+        states.toList().let { list ->
+            defaultStateHandler ?.let { list + it.holder { true } } ?: list
+        }
     )
 }
 
-inline fun <reified I : State> FSMBuilder.onStateOrSubstate(handler: StatesHandler<I>) {
-    add(I::class, handler)
-}
-
-inline fun <reified I : State> FSMBuilder.strictlyOn(handler: StatesHandler<I>) {
-    addStrict(I::class, handler)
-}
-
-fun buildFSM(
-    block: FSMBuilder.() -> Unit
-): StatesMachine = FSMBuilder().apply(block).build()
+fun <T : State> buildFSM(
+    block: FSMBuilder<T>.() -> Unit
+): StatesMachine<T> = FSMBuilder<T>().apply(block).build()

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/managers/DefaultStatesManager.kt

@@ -0,0 +1,118 @@
+package dev.inmo.micro_utils.fsm.common.managers
+
+import dev.inmo.micro_utils.fsm.common.State
+import dev.inmo.micro_utils.fsm.common.StatesManager
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+
+/**
+ * Implement this repo if you want to use some custom repo for [DefaultStatesManager]
+ */
+interface DefaultStatesManagerRepo<T : State> {
+    /**
+     * Must save [state] as current state of chain with [State.context] of [state]
+     */
+    suspend fun set(state: T)
+    /**
+     * Remove exactly [state]. In case if internally [State.context] is busy with different [State], that [State] should
+     * NOT be removed
+     */
+    suspend fun removeState(state: T)
+    /**
+     * @return Current list of available and saved states
+     */
+    suspend fun getStates(): List<T>
+
+    /**
+     * @return Current state by [context]
+     */
+    suspend fun getContextState(context: Any): T?
+
+    /**
+     * @return Current state by [context]
+     */
+    suspend fun contains(context: Any): Boolean = getContextState(context) != null
+}
+
+/**
+ * @param repo This repo will be used as repository for storing states. All operations with this repo will happen BEFORE
+ * any event will be sent to [onChainStateUpdated], [onStartChain] or [onEndChain]. By default, will be used
+ * [InMemoryDefaultStatesManagerRepo] or you may create custom [DefaultStatesManagerRepo] and pass as [repo] parameter
+ * @param onStartContextsConflictResolver Receive current [State] and the state passed with [startChain]. In case when
+ * this callback will return true, currently placed on the [State.context] [State] will be replaced by new state
+ * with [endChain] with current state
+ * @param onUpdateContextsConflictResolver Receive old [State], new one and the state currently placed on new [State.context]
+ * key. In case when this callback will returns true, the state placed on [State.context] of new will be replaced by
+ * new state by using [endChain] with that state
+ */
+open class DefaultStatesManager<T : State>(
+    protected val repo: DefaultStatesManagerRepo<T> = InMemoryDefaultStatesManagerRepo(),
+    protected val onStartContextsConflictResolver: suspend (current: T, new: T) -> Boolean = { _, _ -> true },
+    protected val onUpdateContextsConflictResolver: suspend (old: T, new: T, currentNew: T) -> Boolean = { _, _, _ -> true }
+) : StatesManager<T> {
+    protected val _onChainStateUpdated = MutableSharedFlow<Pair<T, T>>(0)
+    override val onChainStateUpdated: Flow<Pair<T, T>> = _onChainStateUpdated.asSharedFlow()
+    protected val _onStartChain = MutableSharedFlow<T>(0)
+    override val onStartChain: Flow<T> = _onStartChain.asSharedFlow()
+    protected val _onEndChain = MutableSharedFlow<T>(0)
+    override val onEndChain: Flow<T> = _onEndChain.asSharedFlow()
+
+    protected val mapMutex = Mutex()
+
+    constructor(
+        repo: DefaultStatesManagerRepo<T>,
+        onContextsConflictResolver: suspend (old: T, new: T, currentNew: T) -> Boolean
+    ) : this (
+        repo,
+        onUpdateContextsConflictResolver = onContextsConflictResolver
+    )
+
+    override suspend fun update(old: T, new: T) = mapMutex.withLock {
+        val stateByOldContext: T? = repo.getContextState(old.context)
+        when {
+            stateByOldContext != old -> return@withLock
+            stateByOldContext == null || old.context == new.context -> {
+                repo.removeState(old)
+                repo.set(new)
+                _onChainStateUpdated.emit(old to new)
+            }
+            else -> {
+                val stateOnNewOneContext = repo.getContextState(new.context)
+                if (stateOnNewOneContext == null || onUpdateContextsConflictResolver(old, new, stateOnNewOneContext)) {
+                    stateOnNewOneContext ?.let { endChainWithoutLock(it) }
+                    repo.removeState(old)
+                    repo.set(new)
+                    _onChainStateUpdated.emit(old to new)
+                }
+            }
+        }
+    }
+
+    override suspend fun startChain(state: T) = mapMutex.withLock {
+        val stateOnContext = repo.getContextState(state.context)
+        if (stateOnContext == null || onStartContextsConflictResolver(stateOnContext, state)) {
+            stateOnContext ?.let {
+                endChainWithoutLock(it)
+            }
+            repo.set(state)
+            _onStartChain.emit(state)
+        }
+    }
+
+    protected open suspend fun endChainWithoutLock(state: T) {
+        if (repo.getContextState(state.context) == state) {
+            repo.removeState(state)
+            _onEndChain.emit(state)
+        }
+    }
+
+    override suspend fun endChain(state: T) {
+        mapMutex.withLock {
+            endChainWithoutLock(state)
+        }
+    }
+
+    override suspend fun getActiveStates(): List<T> = repo.getStates()
+
+}

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/managers/InMemoryDefaultStatesManagerRepo.kt

@@ -0,0 +1,25 @@
+package dev.inmo.micro_utils.fsm.common.managers
+
+import dev.inmo.micro_utils.fsm.common.State
+
+/**
+ * Simple [DefaultStatesManagerRepo] for [DefaultStatesManager] which will store data in [map] and use primitive
+ * functionality
+ */
+class InMemoryDefaultStatesManagerRepo<T : State>(
+    private val map: MutableMap<Any, T> = mutableMapOf()
+) : DefaultStatesManagerRepo<T> {
+    override suspend fun set(state: T) {
+        map[state.context] = state
+    }
+
+    override suspend fun removeState(state: T) {
+        map.remove(state.context)
+    }
+
+    override suspend fun getStates(): List<T> = map.values.toList()
+
+    override suspend fun getContextState(context: Any): T? = map[context]
+
+    override suspend fun contains(context: Any): Boolean = map.contains(context)
+}

fsm/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/common/managers/InMemoryStatesManager.kt

@@ -0,0 +1,17 @@
+package dev.inmo.micro_utils.fsm.common.managers
+
+import dev.inmo.micro_utils.fsm.common.State
+import kotlinx.coroutines.flow.*
+
+/**
+ * Creates [DefaultStatesManager] with [InMemoryDefaultStatesManagerRepo]
+ *
+ * @param onContextsConflictResolver Receive old [State], new one and the state currently placed on new [State.context]
+ * key. In case when this callback will returns true, the state placed on [State.context] of new will be replaced by
+ * new state by using [endChain] with that state
+ */
+@Deprecated("Use DefaultStatesManager instead", ReplaceWith("DefaultStatesManager"))
+fun <T: State> InMemoryStatesManager(
+    onStartContextsConflictResolver: suspend (old: T, new: T) -> Boolean = { _, _ -> true },
+    onUpdateContextsConflictResolver: suspend (old: T, new: T, currentNew: T) -> Boolean = { _, _, _ -> true }
+) = DefaultStatesManager(onStartContextsConflictResolver = onStartContextsConflictResolver, onUpdateContextsConflictResolver = onUpdateContextsConflictResolver)

fsm/common/src/jvmTest/kotlin/PlayableMain.kt

@@ -1,6 +1,7 @@
 import dev.inmo.micro_utils.fsm.common.*
 import dev.inmo.micro_utils.fsm.common.dsl.buildFSM
-import dev.inmo.micro_utils.fsm.common.dsl.strictlyOn
+import dev.inmo.micro_utils.fsm.common.managers.DefaultStatesManager
+import dev.inmo.micro_utils.fsm.common.managers.InMemoryStatesManager
 import kotlinx.coroutines.*
 
 sealed interface TrafficLightState : State {
@@ -25,9 +26,9 @@ class PlayableMain {
                 }
             }
 
-            val statesManager = InMemoryStatesManager()
+            val statesManager = DefaultStatesManager<TrafficLightState>()
 
-            val machine = buildFSM {
+            val machine = buildFSM<TrafficLightState> {
                 strictlyOn<GreenCommon> {
                     delay(1000L)
                     YellowCommon(it.context).also(::println)

fsm/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/repos/common/KeyValueBasedDefaultStatesManagerRepo.kt

@@ -0,0 +1,25 @@
+package dev.inmo.micro_utils.fsm.repos.common
+
+import dev.inmo.micro_utils.fsm.common.State
+import dev.inmo.micro_utils.fsm.common.managers.DefaultStatesManagerRepo
+import dev.inmo.micro_utils.repos.*
+import dev.inmo.micro_utils.repos.pagination.getAll
+
+class KeyValueBasedDefaultStatesManagerRepo<T : State>(
+    private val keyValueRepo: KeyValueRepo<Any, T>
+) : DefaultStatesManagerRepo<T> {
+    override suspend fun set(state: T) {
+        keyValueRepo.set(state.context, state)
+    }
+
+    override suspend fun removeState(state: T) {
+        if (keyValueRepo.get(state.context) == state) {
+            keyValueRepo.unset(state.context)
+        }
+    }
+
+    override suspend fun getStates(): List<T> = keyValueRepo.getAll { keys(it) }.map { it.second }
+    override suspend fun getContextState(context: Any): T? = keyValueRepo.get(context)
+
+    override suspend fun contains(context: Any): Boolean = keyValueRepo.contains(context)
+}

fsm/repos/common/src/commonMain/kotlin/dev/inmo/micro_utils/fsm/repos/common/KeyValueBasedStatesManager.kt

@@ -1,83 +0,0 @@
-package dev.inmo.micro_utils.fsm.repos.common
-
-import dev.inmo.micro_utils.fsm.common.State
-import dev.inmo.micro_utils.fsm.common.StatesManager
-import dev.inmo.micro_utils.repos.*
-import dev.inmo.micro_utils.repos.mappers.withMapper
-import dev.inmo.micro_utils.repos.pagination.getAll
-import kotlinx.coroutines.flow.*
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
-
-class KeyValueBasedStatesManager(
-    private val keyValueRepo: KeyValueRepo<Any, State>,
-    private val onContextsConflictResolver: suspend (old: State, new: State, currentNew: State) -> Boolean = { _, _, _ -> true }
-) : StatesManager {
-    private val _onChainStateUpdated = MutableSharedFlow<Pair<State, State>>(0)
-    override val onChainStateUpdated: Flow<Pair<State, State>> = _onChainStateUpdated.asSharedFlow()
-    private val _onEndChain = MutableSharedFlow<State>(0)
-    override val onEndChain: Flow<State> = _onEndChain.asSharedFlow()
-
-    override val onStartChain: Flow<State> = keyValueRepo.onNewValue.map { it.second }
-
-    private val mutex = Mutex()
-
-    override suspend fun update(old: State, new: State) {
-        mutex.withLock {
-            when {
-                keyValueRepo.get(old.context) != old -> return@withLock
-                old.context == new.context || !keyValueRepo.contains(new.context) -> {
-                    keyValueRepo.set(old.context, new)
-                    _onChainStateUpdated.emit(old to new)
-                }
-                else -> {
-                    val stateOnNewOneContext = keyValueRepo.get(new.context)!!
-                    if (onContextsConflictResolver(old, new, stateOnNewOneContext)) {
-                        endChainWithoutLock(stateOnNewOneContext)
-                        keyValueRepo.unset(old.context)
-                        keyValueRepo.set(new.context, new)
-                        _onChainStateUpdated.emit(old to new)
-                    }
-                }
-            }
-
-        }
-    }
-
-    override suspend fun startChain(state: State) {
-        if (!keyValueRepo.contains(state.context)) {
-            keyValueRepo.set(state.context, state)
-        }
-    }
-
-    private suspend fun endChainWithoutLock(state: State) {
-        if (keyValueRepo.get(state.context) == state) {
-            keyValueRepo.unset(state.context)
-            _onEndChain.emit(state)
-        }
-    }
-
-    override suspend fun endChain(state: State) {
-        mutex.withLock { endChainWithoutLock(state) }
-    }
-
-    override suspend fun getActiveStates(): List<State> {
-        return keyValueRepo.getAll { keys(it) }.map { it.second }
-    }
-
-}
-
-inline fun <reified TargetContextType, reified TargetStateType> createStatesManager(
-    targetKeyValueRepo: KeyValueRepo<TargetContextType, TargetStateType>,
-    noinline contextToOutTransformer: suspend Any.() -> TargetContextType,
-    noinline stateToOutTransformer: suspend State.() -> TargetStateType,
-    noinline outToContextTransformer: suspend TargetContextType.() -> Any,
-    noinline outToStateTransformer: suspend TargetStateType.() -> State,
-) = KeyValueBasedStatesManager(
-    targetKeyValueRepo.withMapper<Any, State, TargetContextType, TargetStateType>(
-        contextToOutTransformer,
-        stateToOutTransformer,
-        outToContextTransformer,
-        outToStateTransformer
-    )
-)

gradle.properties

@@ -7,43 +7,12 @@ android.useAndroidX=true
 android.enableJetifier=true
 org.gradle.jvmargs=-Xmx2g
 
-kotlin_version=1.5.31
-kotlin_coroutines_version=1.5.2
-kotlin_serialisation_core_version=1.3.0
-kotlin_exposed_version=0.35.1
-
-ktor_version=1.6.4
-
-datetime_version=0.3.0
-
-github_release_plugin_version=2.2.12
-
-uuidVersion=0.3.1
-
-# ANDROID
-
-core_ktx_version=1.6.0
-androidx_recycler_version=1.2.1
-appcompat_version=1.3.1
-
-android_minSdkVersion=19
-android_compileSdkVersion=31
-android_buildToolsVersion=31.0.0
-dexcount_version=3.0.0
-junit_version=4.12
-test_ext_junit_version=1.1.2
-espresso_core=3.3.0
-
 # JS NPM
 
 crypto_js_version=4.1.1
 
-# Dokka
-
-dokka_version=1.5.30
-
 # Project data
 
 group=dev.inmo
-version=0.6.0
-android_code_version=73
+version=0.10.2
+android_code_version=117

gradle/libs.versions.toml

@@ -0,0 +1,80 @@
+[versions]
+
+kt = "1.6.21"
+kt-serialization = "1.3.2"
+kt-coroutines = "1.6.1"
+
+jb-compose = "1.2.0-alpha01-dev682"
+jb-exposed = "0.38.2"
+jb-dokka = "1.6.21"
+
+klock = "2.7.0"
+uuid = "0.4.0"
+
+ktor = "2.0.1"
+
+gh-release = "2.3.7"
+
+android-gradle = "7.0.4"
+dexcount = "3.0.1"
+
+android-coreKtx = "1.7.0"
+android-recyclerView = "1.2.1"
+android-appCompat = "1.4.1"
+android-espresso = "3.3.0"
+android-test = "1.1.2"
+
+android-props-minSdk = "19"
+android-props-compileSdk = "32"
+android-props-buildTools = "32.0.0"
+
+[libraries]
+
+kt-stdlib = { module = "org.jetbrains.kotlin:kotlin-stdlib", version.ref = "kt" }
+
+kt-serialization = { module = "org.jetbrains.kotlinx:kotlinx-serialization-json", version.ref = "kt-serialization" }
+kt-serialization-cbor = { module = "org.jetbrains.kotlinx:kotlinx-serialization-cbor", version.ref = "kt-serialization" }
+
+kt-coroutines = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kt-coroutines" }
+kt-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-android", version.ref = "kt-coroutines" }
+
+
+ktor-io = { module = "io.ktor:ktor-io", version.ref = "ktor" }
+ktor-client = { module = "io.ktor:ktor-client-core", version.ref = "ktor" }
+ktor-client-java = { module = "io.ktor:ktor-client-java", version.ref = "ktor" }
+ktor-server = { module = "io.ktor:ktor-server", version.ref = "ktor" }
+ktor-server-cio = { module = "io.ktor:ktor-server-cio", version.ref = "ktor" }
+ktor-server-host-common = { module = "io.ktor:ktor-server-host-common", version.ref = "ktor" }
+ktor-websockets = { module = "io.ktor:ktor-websockets", version.ref = "ktor" }
+ktor-server-websockets = { module = "io.ktor:ktor-server-websockets", version.ref = "ktor" }
+ktor-server-statusPages = { module = "io.ktor:ktor-server-status-pages", version.ref = "ktor" }
+
+
+klock = { module = "com.soywiz.korlibs.klock:klock", version.ref = "klock" }
+uuid = { module = "com.benasher44:uuid", version.ref = "uuid" }
+
+
+jb-exposed = { module = "org.jetbrains.exposed:exposed-core", version.ref = "jb-exposed" }
+
+
+android-coreKtx = { module = "androidx.core:core-ktx", version.ref = "android-coreKtx" }
+android-recyclerView = { module = "androidx.recyclerview:recyclerview", version.ref = "android-recyclerView" }
+android-appCompat-resources = { module = "androidx.appcompat:appcompat-resources", version.ref = "android-appCompat" }
+android-espresso = { module = "androidx.test.espresso:espresso-core", version.ref = "android-espresso" }
+android-test-junit = { module = "androidx.test.ext:junit", version.ref = "android-test" }
+
+
+kt-test-js = { module = "org.jetbrains.kotlin:kotlin-test-js", version.ref = "kt" }
+kt-test-junit = { module = "org.jetbrains.kotlin:kotlin-test-junit", version.ref = "kt" }
+
+
+buildscript-kt-gradle = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "kt" }
+buildscript-kt-serialization = { module = "org.jetbrains.kotlin:kotlin-serialization", version.ref = "kt" }
+buildscript-jb-dokka = { module = "org.jetbrains.dokka:dokka-gradle-plugin", version.ref = "jb-dokka" }
+buildscript-gh-release = { module = "com.github.breadmoirai:github-release", version.ref = "gh-release" }
+buildscript-android-gradle = { module = "com.android.tools.build:gradle", version.ref = "android-gradle" }
+buildscript-android-dexcount = { module = "com.getkeepsafe.dexcount:dexcount-gradle-plugin", version.ref = "dexcount" }
+
+[plugins]
+
+jb-compose = { id = "org.jetbrains.compose", version.ref = "jb-compose" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

ktor/client/build.gradle

@@ -12,7 +12,7 @@ kotlin {
             dependencies {
                 api internalProject("micro_utils.ktor.common")
                 api internalProject("micro_utils.coroutines")
-                api "io.ktor:ktor-client-core:$ktor_version"
+                api libs.ktor.client
             }
         }
     }

ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/client/FlowsWebsockets.kt

@@ -1,13 +1,18 @@
 package dev.inmo.micro_utils.ktor.client
 
+import dev.inmo.micro_utils.coroutines.runCatchingSafely
 import dev.inmo.micro_utils.coroutines.safely
 import dev.inmo.micro_utils.ktor.common.*
 import io.ktor.client.HttpClient
-import io.ktor.client.features.websocket.ws
-import io.ktor.http.cio.websocket.Frame
-import io.ktor.http.cio.websocket.readBytes
+import io.ktor.client.plugins.pluginOrNull
+import io.ktor.client.plugins.websocket.WebSockets
+import io.ktor.client.plugins.websocket.ws
+import io.ktor.client.request.HttpRequestBuilder
+import io.ktor.websocket.Frame
+import io.ktor.websocket.readBytes
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.channelFlow
+import kotlinx.coroutines.isActive
 import kotlinx.serialization.DeserializationStrategy
 
 /**
@@ -16,42 +21,41 @@ import kotlinx.serialization.DeserializationStrategy
  */
 inline fun <T> HttpClient.createStandardWebsocketFlow(
     url: String,
-    crossinline checkReconnection: (Throwable?) -> Boolean = { true },
+    crossinline checkReconnection: suspend (Throwable?) -> Boolean = { true },
+    noinline requestBuilder: HttpRequestBuilder.() -> Unit = {},
     crossinline conversation: suspend (StandardKtorSerialInputData) -> T
 ): Flow<T> {
+    pluginOrNull(WebSockets) ?: error("Plugin $WebSockets must be installed for using createStandardWebsocketFlow")
+
     val correctedUrl = url.asCorrectWebSocketUrl
 
     return channelFlow {
-        val producerScope = this@channelFlow
         do {
-            val reconnect = try {
-                safely {
-                    ws(correctedUrl) {
-                        for (received in incoming) {
-                            when (received) {
-                                is Frame.Binary -> producerScope.send(conversation(received.readBytes()))
-                                else -> {
-                                    producerScope.close()
-                                    return@ws
-                                }
+            val reconnect = runCatchingSafely {
+                ws(correctedUrl, requestBuilder) {
+                    for (received in incoming) {
+                        when (received) {
+                            is Frame.Binary -> send(conversation(received.data))
+                            else -> {
+                                close()
+                                return@ws
                             }
                         }
                     }
                 }
                 checkReconnection(null)
-            } catch (e: Throwable) {
+            }.getOrElse { e ->
                 checkReconnection(e).also {
                     if (!it) {
-                        producerScope.close(e)
+                        close(e)
                     }
                 }
             }
-        } while (reconnect)
-        if (!producerScope.isClosedForSend) {
-            safely(
-                { it.printStackTrace() }
-            ) {
-                producerScope.close()
+        } while (reconnect && isActive)
+
+        if (isActive) {
+            safely {
+                close()
             }
         }
     }
@@ -63,12 +67,14 @@ inline fun <T> HttpClient.createStandardWebsocketFlow(
  */
 inline fun <T> HttpClient.createStandardWebsocketFlow(
     url: String,
-    crossinline checkReconnection: (Throwable?) -> Boolean = { true },
     deserializer: DeserializationStrategy<T>,
-    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+    crossinline checkReconnection: suspend (Throwable?) -> Boolean = { true },
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat,
+    noinline requestBuilder: HttpRequestBuilder.() -> Unit = {},
 ) = createStandardWebsocketFlow(
     url,
-    checkReconnection
+    checkReconnection,
+    requestBuilder
 ) {
     serialFormat.decodeDefault(deserializer, it)
 }

ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/client/MPPFileInputProvider.kt

@@ -0,0 +1,6 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.common.MPPFile
+import io.ktor.client.request.forms.InputProvider
+
+expect suspend fun MPPFile.inputProvider(): InputProvider

ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/client/StandardHttpClientGetPost.kt

@@ -1,16 +1,22 @@
 package dev.inmo.micro_utils.ktor.client
 
+import dev.inmo.micro_utils.common.MPPFile
+import dev.inmo.micro_utils.common.filename
 import dev.inmo.micro_utils.ktor.common.*
 import io.ktor.client.HttpClient
-import io.ktor.client.request.get
-import io.ktor.client.request.post
+import io.ktor.client.call.body
+import io.ktor.client.request.*
+import io.ktor.client.request.forms.*
+import io.ktor.client.statement.readBytes
+import io.ktor.http.*
+import io.ktor.utils.io.core.ByteReadPacket
 import kotlinx.serialization.*
 
 typealias BodyPair<T> = Pair<SerializationStrategy<T>, T>
 
 class UnifiedRequester(
-    private val client: HttpClient = HttpClient(),
-    private val serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+    val client: HttpClient = HttpClient(),
+    val serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
 ) {
     suspend fun <ResultType> uniget(
         url: String,
@@ -31,11 +37,66 @@ class UnifiedRequester(
         resultDeserializer: DeserializationStrategy<ResultType>
     ) = client.unipost(url, bodyInfo, resultDeserializer, serialFormat)
 
+    suspend fun <ResultType> unimultipart(
+        url: String,
+        filename: String,
+        inputProvider: InputProvider,
+        resultDeserializer: DeserializationStrategy<ResultType>,
+        mimetype: String = "*/*",
+        additionalParametersBuilder: FormBuilder.() -> Unit = {},
+        dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+        requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    ): ResultType = client.unimultipart(url, filename, inputProvider, resultDeserializer, mimetype, additionalParametersBuilder, dataHeadersBuilder, requestBuilder, serialFormat)
+
+    suspend fun <BodyType, ResultType> unimultipart(
+        url: String,
+        filename: String,
+        inputProvider: InputProvider,
+        otherData: BodyPair<BodyType>,
+        resultDeserializer: DeserializationStrategy<ResultType>,
+        mimetype: String = "*/*",
+        additionalParametersBuilder: FormBuilder.() -> Unit = {},
+        dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+        requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    ): ResultType = client.unimultipart(url, filename, otherData, inputProvider, resultDeserializer, mimetype, additionalParametersBuilder, dataHeadersBuilder, requestBuilder, serialFormat)
+
+    suspend fun <ResultType> unimultipart(
+        url: String,
+        mppFile: MPPFile,
+        resultDeserializer: DeserializationStrategy<ResultType>,
+        mimetype: String = "*/*",
+        additionalParametersBuilder: FormBuilder.() -> Unit = {},
+        dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+        requestBuilder: HttpRequestBuilder.() -> Unit = {}
+    ): ResultType = client.unimultipart(
+        url, mppFile, resultDeserializer, mimetype, additionalParametersBuilder, dataHeadersBuilder, requestBuilder, serialFormat
+    )
+
+    suspend fun <BodyType, ResultType> unimultipart(
+        url: String,
+        mppFile: MPPFile,
+        otherData: BodyPair<BodyType>,
+        resultDeserializer: DeserializationStrategy<ResultType>,
+        mimetype: String = "*/*",
+        additionalParametersBuilder: FormBuilder.() -> Unit = {},
+        dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+        requestBuilder: HttpRequestBuilder.() -> Unit = {}
+    ): ResultType = client.unimultipart(
+        url, mppFile, otherData, resultDeserializer, mimetype, additionalParametersBuilder, dataHeadersBuilder, requestBuilder, serialFormat
+    )
+
     fun <T> createStandardWebsocketFlow(
         url: String,
-        checkReconnection: (Throwable?) -> Boolean = { true },
-        deserializer: DeserializationStrategy<T>
-    ) = client.createStandardWebsocketFlow(url, checkReconnection, deserializer, serialFormat)
+        checkReconnection: suspend (Throwable?) -> Boolean,
+        deserializer: DeserializationStrategy<T>,
+        requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    ) = client.createStandardWebsocketFlow(url, deserializer, checkReconnection, serialFormat, requestBuilder)
+
+    fun <T> createStandardWebsocketFlow(
+        url: String,
+        deserializer: DeserializationStrategy<T>,
+        requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    ) = createStandardWebsocketFlow(url, { true }, deserializer, requestBuilder)
 }
 
 val defaultRequester = UnifiedRequester()
@@ -44,10 +105,8 @@ suspend fun <ResultType> HttpClient.uniget(
     url: String,
     resultDeserializer: DeserializationStrategy<ResultType>,
     serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
-) = get<StandardKtorSerialInputData>(
-    url
-).let {
-    serialFormat.decodeDefault(resultDeserializer, it)
+) = get(url).let {
+    serialFormat.decodeDefault(resultDeserializer, it.body<StandardKtorSerialInputData>())
 }
 
 
@@ -64,8 +123,131 @@ suspend fun <BodyType, ResultType> HttpClient.unipost(
     bodyInfo: BodyPair<BodyType>,
     resultDeserializer: DeserializationStrategy<ResultType>,
     serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
-) = post<StandardKtorSerialInputData>(url) {
-    body = serialFormat.encodeDefault(bodyInfo.first, bodyInfo.second)
+) = post(url) {
+    setBody(
+        serialFormat.encodeDefault(bodyInfo.first, bodyInfo.second)
+    )
 }.let {
-    serialFormat.decodeDefault(resultDeserializer, it)
+    serialFormat.decodeDefault(resultDeserializer, it.body<StandardKtorSerialInputData>())
 }
+
+suspend fun <ResultType> HttpClient.unimultipart(
+    url: String,
+    filename: String,
+    inputProvider: InputProvider,
+    resultDeserializer: DeserializationStrategy<ResultType>,
+    mimetype: String = "*/*",
+    additionalParametersBuilder: FormBuilder.() -> Unit = {},
+    dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+    requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+): ResultType = submitFormWithBinaryData(
+    url,
+    formData = formData {
+        append(
+            "bytes",
+            inputProvider,
+            Headers.build {
+                append(HttpHeaders.ContentType, mimetype)
+                append(HttpHeaders.ContentDisposition, "filename=\"$filename\"")
+                dataHeadersBuilder()
+            }
+        )
+        additionalParametersBuilder()
+    }
+) {
+    requestBuilder()
+}.let { serialFormat.decodeDefault(resultDeserializer, it.body<StandardKtorSerialInputData>()) }
+
+suspend fun <BodyType, ResultType> HttpClient.unimultipart(
+    url: String,
+    filename: String,
+    otherData: BodyPair<BodyType>,
+    inputProvider: InputProvider,
+    resultDeserializer: DeserializationStrategy<ResultType>,
+    mimetype: String = "*/*",
+    additionalParametersBuilder: FormBuilder.() -> Unit = {},
+    dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+    requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+): ResultType = unimultipart(
+    url,
+    filename,
+    inputProvider,
+    resultDeserializer,
+    mimetype,
+    additionalParametersBuilder = {
+        val serialized = serialFormat.encodeDefault(otherData.first, otherData.second)
+        append(
+            "data",
+            InputProvider(serialized.size.toLong()) {
+                ByteReadPacket(serialized)
+            },
+            Headers.build {
+                append(HttpHeaders.ContentType, ContentType.Application.Cbor.contentType)
+                append(HttpHeaders.ContentDisposition, "filename=data.bytes")
+                dataHeadersBuilder()
+            }
+        )
+        additionalParametersBuilder()
+    },
+    dataHeadersBuilder,
+    requestBuilder,
+    serialFormat
+)
+
+suspend fun <ResultType> HttpClient.unimultipart(
+    url: String,
+    mppFile: MPPFile,
+    resultDeserializer: DeserializationStrategy<ResultType>,
+    mimetype: String = "*/*",
+    additionalParametersBuilder: FormBuilder.() -> Unit = {},
+    dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+    requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+): ResultType = unimultipart(
+    url,
+    mppFile.filename.string,
+    mppFile.inputProvider(),
+    resultDeserializer,
+    mimetype,
+    additionalParametersBuilder,
+    dataHeadersBuilder,
+    requestBuilder,
+    serialFormat
+)
+
+suspend fun <BodyType, ResultType> HttpClient.unimultipart(
+    url: String,
+    mppFile: MPPFile,
+    otherData: BodyPair<BodyType>,
+    resultDeserializer: DeserializationStrategy<ResultType>,
+    mimetype: String = "*/*",
+    additionalParametersBuilder: FormBuilder.() -> Unit = {},
+    dataHeadersBuilder: HeadersBuilder.() -> Unit = {},
+    requestBuilder: HttpRequestBuilder.() -> Unit = {},
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+): ResultType = unimultipart(
+    url,
+    mppFile,
+    resultDeserializer,
+    mimetype,
+    additionalParametersBuilder = {
+        val serialized = serialFormat.encodeDefault(otherData.first, otherData.second)
+        append(
+            "data",
+            InputProvider(serialized.size.toLong()) {
+                ByteReadPacket(serialized)
+            },
+            Headers.build {
+                append(HttpHeaders.ContentType, ContentType.Application.Cbor.contentType)
+                append(HttpHeaders.ContentDisposition, "filename=data.bytes")
+                dataHeadersBuilder()
+            }
+        )
+        additionalParametersBuilder()
+    },
+    dataHeadersBuilder,
+    requestBuilder,
+    serialFormat
+)

ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/client/TemporalUpload.kt

@@ -0,0 +1,19 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.common.MPPFile
+import dev.inmo.micro_utils.ktor.common.*
+import io.ktor.client.HttpClient
+
+expect suspend fun HttpClient.tempUpload(
+    fullTempUploadDraftPath: String,
+    file: MPPFile,
+    onUpload: (uploaded: Long, count: Long) -> Unit = { _, _ -> }
+): TemporalFileId
+
+suspend fun UnifiedRequester.tempUpload(
+    fullTempUploadDraftPath: String,
+    file: MPPFile,
+    onUpload: (uploaded: Long, count: Long) -> Unit = { _, _ -> }
+): TemporalFileId = client.tempUpload(
+    fullTempUploadDraftPath, file, onUpload
+)

ktor/client/src/jsMain/kotlin/dev/inmo/micro_utils/ktor/client/ActualMPPFileInputProvider.kt

@@ -0,0 +1,11 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.common.*
+import io.ktor.client.request.forms.InputProvider
+import io.ktor.utils.io.core.ByteReadPacket
+
+actual suspend fun MPPFile.inputProvider(): InputProvider = bytes().let {
+    InputProvider(it.size.toLong()) {
+        ByteReadPacket(it)
+    }
+}

ktor/client/src/jsMain/kotlin/dev/inmo/micro_utils/ktor/client/ActualTemporalUpload.kt

@@ -0,0 +1,58 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.common.MPPFile
+import dev.inmo.micro_utils.ktor.common.TemporalFileId
+import io.ktor.client.HttpClient
+import kotlinx.coroutines.*
+import org.w3c.xhr.*
+
+suspend fun tempUpload(
+    fullTempUploadDraftPath: String,
+    file: MPPFile,
+    onUpload: (Long, Long) -> Unit
+): TemporalFileId {
+    val formData = FormData()
+    val answer = CompletableDeferred<TemporalFileId>()
+
+    formData.append(
+        "data",
+        file
+    )
+
+    val request = XMLHttpRequest()
+    request.responseType = XMLHttpRequestResponseType.TEXT
+    request.upload.onprogress = {
+        onUpload(it.loaded.toLong(), it.total.toLong())
+    }
+    request.onload = {
+        if (request.status == 200.toShort()) {
+            answer.complete(TemporalFileId(request.responseText))
+        } else {
+            answer.completeExceptionally(Exception("Something went wrong: $it"))
+        }
+    }
+    request.onerror = {
+        answer.completeExceptionally(Exception("Something went wrong: $it"))
+    }
+    request.open("POST", fullTempUploadDraftPath, true)
+    request.send(formData)
+
+    val handle = currentCoroutineContext().job.invokeOnCompletion {
+        runCatching {
+            request.abort()
+        }
+    }
+
+    return runCatching {
+        answer.await()
+    }.also {
+        handle.dispose()
+    }.getOrThrow()
+}
+
+
+actual suspend fun HttpClient.tempUpload(
+    fullTempUploadDraftPath: String,
+    file: MPPFile,
+    onUpload: (uploaded: Long, count: Long) -> Unit
+): TemporalFileId = dev.inmo.micro_utils.ktor.client.tempUpload(fullTempUploadDraftPath, file, onUpload)

ktor/client/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/client/ActualMPPFileInputProvider.kt

@@ -0,0 +1,9 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.common.MPPFile
+import io.ktor.client.request.forms.InputProvider
+import io.ktor.utils.io.streams.asInput
+
+actual suspend fun MPPFile.inputProvider(): InputProvider = InputProvider(length()) {
+    inputStream().asInput()
+}

ktor/client/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/client/ActualTemporalUpload.kt

@@ -0,0 +1,40 @@
+package dev.inmo.micro_utils.ktor.client
+
+import dev.inmo.micro_utils.common.MPPFile
+import dev.inmo.micro_utils.common.filename
+import dev.inmo.micro_utils.ktor.common.TemporalFileId
+import io.ktor.client.HttpClient
+import io.ktor.client.plugins.onUpload
+import io.ktor.client.request.forms.formData
+import io.ktor.client.request.forms.submitFormWithBinaryData
+import io.ktor.client.statement.bodyAsText
+import io.ktor.http.Headers
+import io.ktor.http.HttpHeaders
+import java.net.URLConnection
+
+internal val MPPFile.mimeType: String
+    get() = URLConnection.getFileNameMap().getContentTypeFor(filename.name) ?: "*/*"
+
+actual suspend fun HttpClient.tempUpload(
+    fullTempUploadDraftPath: String,
+    file: MPPFile,
+    onUpload: (Long, Long) -> Unit
+): TemporalFileId {
+    val inputProvider = file.inputProvider()
+    val fileId = submitFormWithBinaryData(
+        fullTempUploadDraftPath,
+        formData = formData {
+            append(
+                "data",
+                inputProvider,
+                Headers.build {
+                    append(HttpHeaders.ContentType, file.mimeType)
+                    append(HttpHeaders.ContentDisposition, "filename=\"${file.filename.string}\"")
+                }
+            )
+        }
+    ) {
+        onUpload(onUpload)
+    }.bodyAsText()
+    return TemporalFileId(fileId)
+}

ktor/common/build.gradle

@@ -10,8 +10,11 @@ kotlin {
     sourceSets {
         commonMain {
             dependencies {
-                api "org.jetbrains.kotlinx:kotlinx-serialization-cbor:$kotlin_serialisation_core_version"
-                api "org.jetbrains.kotlinx:kotlinx-datetime:$datetime_version"
+                api internalProject("micro_utils.common")
+                api libs.kt.serialization.cbor
+                api libs.klock
+                api libs.uuid
+                api libs.ktor.io
             }
         }
     }

ktor/common/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/common/FromToDateTimeUrl.kt

@@ -1,17 +1,17 @@
 package dev.inmo.micro_utils.ktor.common
 
-import kotlinx.datetime.Instant
+import com.soywiz.klock.DateTime
 
-typealias FromToDateTime = Pair<Instant?, Instant?>
+typealias FromToDateTime = Pair<DateTime?, DateTime?>
 
 val FromToDateTime.asFromToUrlPart: QueryParams
     get() = mapOf(
-        "from" to first ?.toEpochMilliseconds() ?.toString(),
-        "to" to second ?.toEpochMilliseconds() ?.toString()
+        "from" to first ?.unixMillis ?.toString(),
+        "to" to second ?.unixMillis ?.toString()
     )
 
 val QueryParams.extractFromToDateTime: FromToDateTime
     get() = FromToDateTime(
-        get("from") ?.run { toLongOrNull() ?: (toDoubleOrNull() ?.toLong()) } ?.let { Instant.fromEpochMilliseconds(it) },
-        get("to") ?.run { toLongOrNull() ?: (toDoubleOrNull() ?.toLong()) } ?.let { Instant.fromEpochMilliseconds(it) }
+        get("from") ?.toDoubleOrNull() ?.let { DateTime(it) },
+        get("to") ?.toDoubleOrNull() ?.let { DateTime(it) }
     )

ktor/common/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/common/MPPFileInput.kt

@@ -0,0 +1,6 @@
+package dev.inmo.micro_utils.ktor.common
+
+import dev.inmo.micro_utils.common.MPPFile
+import io.ktor.utils.io.core.Input
+
+expect fun MPPFile.input(): Input

ktor/common/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/common/StandardSerializer.kt

@@ -1,3 +1,5 @@
+@file:Suppress("NOTHING_TO_INLINE")
+
 package dev.inmo.micro_utils.ktor.common
 
 import kotlinx.serialization.*

ktor/common/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/common/TemporalFiles.kt

@@ -0,0 +1,10 @@
+package dev.inmo.micro_utils.ktor.common
+
+import kotlin.jvm.JvmInline
+import kotlinx.serialization.Serializable
+
+const val DefaultTemporalFilesSubPath = "temp_upload"
+
+@Serializable
+@JvmInline
+value class TemporalFileId(val string: String)

ktor/common/src/jsMain/kotlin/dev/inmo/micro_utils/ktor/common/ActualMPPFileInput.kt

@@ -0,0 +1,7 @@
+package dev.inmo.micro_utils.ktor.common
+
+import dev.inmo.micro_utils.common.*
+import io.ktor.utils.io.core.ByteReadPacket
+import io.ktor.utils.io.core.Input
+
+actual fun MPPFile.input(): Input = ByteReadPacket(readBytes())

ktor/common/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/common/ActualMPPFileInput.kt

@@ -0,0 +1,7 @@
+package dev.inmo.micro_utils.ktor.common
+
+import dev.inmo.micro_utils.common.MPPFile
+import io.ktor.utils.io.core.Input
+import io.ktor.utils.io.streams.asInput
+
+actual fun MPPFile.input(): Input = inputStream().asInput()

ktor/server/build.gradle

@@ -16,10 +16,11 @@ kotlin {
 
         jvmMain {
             dependencies {
-                api "io.ktor:ktor-server:$ktor_version"
-                api "io.ktor:ktor-server-cio:$ktor_version"
-                api "io.ktor:ktor-server-host-common:$ktor_version"
-                api "io.ktor:ktor-websockets:$ktor_version"
+                api libs.ktor.server
+                api libs.ktor.server.cio
+                api libs.ktor.server.host.common
+                api libs.ktor.server.websockets
+                api libs.ktor.server.statusPages
             }
         }
     }

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/FlowsWebsocket.kt

@@ -2,29 +2,31 @@ package dev.inmo.micro_utils.ktor.server
 
 import dev.inmo.micro_utils.coroutines.safely
 import dev.inmo.micro_utils.ktor.common.*
-import io.ktor.http.cio.websocket.*
-import io.ktor.routing.Route
-import io.ktor.websocket.webSocket
+import io.ktor.http.URLProtocol
+import io.ktor.server.application.install
+import io.ktor.server.application.pluginOrNull
+import io.ktor.server.routing.Route
+import io.ktor.server.routing.application
+import io.ktor.server.websocket.*
+import io.ktor.websocket.send
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.collect
 import kotlinx.serialization.SerializationStrategy
 
-private suspend fun DefaultWebSocketSession.checkReceivedAndCloseIfExists() {
-    if (incoming.tryReceive() != null) {
-        close()
-        throw CorrectCloseException
-    }
-}
-
 fun <T> Route.includeWebsocketHandling(
     suburl: String,
     flow: Flow<T>,
-    converter: (T) -> StandardKtorSerialInputData
+    protocol: URLProtocol? = null,
+    converter: suspend WebSocketServerSession.(T) -> StandardKtorSerialInputData?
 ) {
-    webSocket(suburl) {
+    application.apply {
+        pluginOrNull(WebSockets) ?: install(WebSockets)
+    }
+    webSocket(suburl, protocol ?.name) {
         safely {
             flow.collect {
-                send(converter(it))
+                converter(it) ?.let { data ->
+                    send(data)
+                }
             }
         }
     }
@@ -34,10 +36,24 @@ fun <T> Route.includeWebsocketHandling(
     suburl: String,
     flow: Flow<T>,
     serializer: SerializationStrategy<T>,
-    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat
+    serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat,
+    protocol: URLProtocol? = null,
+    filter: (suspend WebSocketServerSession.(T) -> Boolean)? = null
 ) = includeWebsocketHandling(
     suburl,
-    flow
-) {
-    serialFormat.encodeDefault(serializer, it)
-}
+    flow,
+    protocol,
+    converter = if (filter == null) {
+        {
+            serialFormat.encodeDefault(serializer, it)
+        }
+    } else {
+        {
+            if (filter(it)) {
+                serialFormat.encodeDefault(serializer, it)
+            } else {
+                null
+            }
+        }
+    }
+)

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/FromToDateTimeInUrl.kt

@@ -1,11 +1,11 @@
 package dev.inmo.micro_utils.ktor.server
 
+import com.soywiz.klock.DateTime
 import dev.inmo.micro_utils.ktor.common.FromToDateTime
 import io.ktor.http.Parameters
-import kotlinx.datetime.Instant
 
 val Parameters.extractFromToDateTime: FromToDateTime
     get() = FromToDateTime(
-        get("from") ?.run { toLongOrNull() ?: (toDoubleOrNull() ?.toLong()) } ?.let { Instant.fromEpochMilliseconds(it) },
-        get("to") ?.run { toLongOrNull() ?: (toDoubleOrNull() ?.toLong()) } ?.let { Instant.fromEpochMilliseconds(it) }
+        get("from") ?.toDoubleOrNull() ?.let { DateTime(it) },
+        get("to") ?.toDoubleOrNull() ?.let { DateTime(it) }
     )

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/ServerRoutingShortcuts.kt

@@ -1,28 +1,35 @@
 package dev.inmo.micro_utils.ktor.server
 
+import dev.inmo.micro_utils.common.*
 import dev.inmo.micro_utils.coroutines.safely
 import dev.inmo.micro_utils.ktor.common.*
-import io.ktor.application.ApplicationCall
-import io.ktor.application.call
-import io.ktor.http.ContentType
-import io.ktor.http.HttpStatusCode
-import io.ktor.request.receive
-import io.ktor.response.respond
-import io.ktor.response.respondBytes
-import io.ktor.routing.Route
+import io.ktor.http.*
+import io.ktor.http.content.*
+import io.ktor.server.application.ApplicationCall
+import io.ktor.server.application.call
+import io.ktor.server.request.receive
+import io.ktor.server.request.receiveMultipart
+import io.ktor.server.response.respond
+import io.ktor.server.response.respondBytes
+import io.ktor.server.routing.Route
+import io.ktor.server.websocket.WebSocketServerSession
 import io.ktor.util.pipeline.PipelineContext
+import io.ktor.utils.io.core.*
 import kotlinx.coroutines.flow.Flow
-import kotlinx.serialization.*
+import kotlinx.serialization.DeserializationStrategy
+import kotlinx.serialization.SerializationStrategy
 
 class UnifiedRouter(
-    private val serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat,
-    private val serialFormatContentType: ContentType = standardKtorSerialFormatContentType
+    val serialFormat: StandardKtorSerialFormat = standardKtorSerialFormat,
+    val serialFormatContentType: ContentType = standardKtorSerialFormatContentType
 ) {
     fun <T> Route.includeWebsocketHandling(
         suburl: String,
         flow: Flow<T>,
-        serializer: SerializationStrategy<T>
-    ) = includeWebsocketHandling(suburl, flow, serializer, serialFormat)
+        serializer: SerializationStrategy<T>,
+        protocol: URLProtocol? = null,
+        filter: (suspend WebSocketServerSession.(T) -> Boolean)? = null
+    ) = includeWebsocketHandling(suburl, flow, serializer, serialFormat, protocol, filter)
 
     suspend fun <T> PipelineContext<*, ApplicationCall>.unianswer(
         answerSerializer: SerializationStrategy<T>,
@@ -81,6 +88,11 @@ class UnifiedRouter(
             call.respond(HttpStatusCode.BadRequest, "Request query parameters must contains $field")
         }
     }
+
+    companion object {
+        val default
+            get() = defaultUnifiedRouter
+    }
 }
 
 val defaultUnifiedRouter = UnifiedRouter()
@@ -104,6 +116,143 @@ suspend fun <T> ApplicationCall.uniload(
     )
 }
 
+suspend fun ApplicationCall.uniloadMultipart(
+    onFormItem: (PartData.FormItem) -> Unit = {},
+    onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryContent: (PartData.BinaryItem) -> Unit = {}
+) = safely {
+    val multipartData = receiveMultipart()
+
+    var resultInput: Input? = null
+
+    multipartData.forEachPart {
+        when (it) {
+            is PartData.FormItem -> onFormItem(it)
+            is PartData.FileItem -> {
+                when (it.name) {
+                    "bytes" -> resultInput = it.provider()
+                    else -> onCustomFileItem(it)
+                }
+            }
+            is PartData.BinaryItem -> onBinaryContent(it)
+        }
+    }
+
+    resultInput ?: error("Bytes has not been received")
+}
+
+suspend fun <T> ApplicationCall.uniloadMultipart(
+    deserializer: DeserializationStrategy<T>,
+    onFormItem: (PartData.FormItem) -> Unit = {},
+    onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryContent: (PartData.BinaryItem) -> Unit = {}
+): Pair<Input, T> {
+    var data: Optional<T>? = null
+    val resultInput = uniloadMultipart(
+        onFormItem,
+        {
+            if (it.name == "data") {
+                data = standardKtorSerialFormat.decodeDefault(deserializer, it.provider().readBytes()).optional
+            } else {
+                onCustomFileItem(it)
+            }
+        },
+        onBinaryContent
+    )
+
+    val completeData = data ?: error("Data has not been received")
+    return resultInput to (completeData.dataOrNull().let { it as T })
+}
+
+suspend fun <T> ApplicationCall.uniloadMultipartFile(
+    deserializer: DeserializationStrategy<T>,
+    onFormItem: (PartData.FormItem) -> Unit = {},
+    onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryContent: (PartData.BinaryItem) -> Unit = {},
+) = safely {
+    val multipartData = receiveMultipart()
+
+    var resultInput: MPPFile? = null
+    var data: Optional<T>? = null
+
+    multipartData.forEachPart {
+        when (it) {
+            is PartData.FormItem -> onFormItem(it)
+            is PartData.FileItem -> {
+                when (it.name) {
+                    "bytes" -> {
+                        val name = FileName(it.originalFileName ?: error("File name is unknown for default part"))
+                        resultInput = MPPFile.createTempFile(
+                            name.nameWithoutExtension.let {
+                                var resultName = it
+                                while (resultName.length < 3) {
+                                    resultName += "_"
+                                }
+                                resultName
+                            },
+                            ".${name.extension}"
+                        ).apply {
+                            outputStream().use { fileStream ->
+                                it.streamProvider().use {
+                                    it.copyTo(fileStream)
+                                }
+                            }
+                        }
+                    }
+                    "data" -> data = standardKtorSerialFormat.decodeDefault(deserializer, it.provider().readBytes()).optional
+                    else -> onCustomFileItem(it)
+                }
+            }
+            is PartData.BinaryItem -> onBinaryContent(it)
+        }
+    }
+
+    val completeData = data ?: error("Data has not been received")
+    (resultInput ?: error("Bytes has not been received")) to (completeData.dataOrNull().let { it as T })
+}
+
+suspend fun ApplicationCall.uniloadMultipartFile(
+    onFormItem: (PartData.FormItem) -> Unit = {},
+    onCustomFileItem: (PartData.FileItem) -> Unit = {},
+    onBinaryContent: (PartData.BinaryItem) -> Unit = {},
+) = safely {
+    val multipartData = receiveMultipart()
+
+    var resultInput: MPPFile? = null
+
+    multipartData.forEachPart {
+        when (it) {
+            is PartData.FormItem -> onFormItem(it)
+            is PartData.FileItem -> {
+                if (it.name == "bytes") {
+                    val name = FileName(it.originalFileName ?: error("File name is unknown for default part"))
+                    resultInput = MPPFile.createTempFile(
+                        name.nameWithoutExtension.let {
+                            var resultName = it
+                            while (resultName.length < 3) {
+                                resultName += "_"
+                            }
+                            resultName
+                        },
+                        ".${name.extension}"
+                    ).apply {
+                        outputStream().use { fileStream ->
+                            it.streamProvider().use {
+                                it.copyTo(fileStream)
+                            }
+                        }
+                    }
+                } else {
+                    onCustomFileItem(it)
+                }
+            }
+            is PartData.BinaryItem -> onBinaryContent(it)
+        }
+    }
+
+    resultInput ?: error("Bytes has not been received")
+}
+
 suspend fun ApplicationCall.getParameterOrSendError(
     field: String
 ) = parameters[field].also {

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/StartServer.kt

@@ -1,7 +1,9 @@
 package dev.inmo.micro_utils.ktor.server
 
-import io.ktor.application.Application
+import dev.inmo.micro_utils.ktor.server.configurators.KtorApplicationConfigurator
+import io.ktor.server.application.Application
 import io.ktor.server.cio.CIO
+import io.ktor.server.cio.CIOApplicationEngine
 import io.ktor.server.engine.*
 import kotlin.random.Random
 
@@ -9,16 +11,57 @@ fun <TEngine : ApplicationEngine, TConfiguration : ApplicationEngine.Configurati
     engine: ApplicationEngineFactory<TEngine, TConfiguration>,
     host: String = "localhost",
     port: Int = Random.nextInt(1024, 65535),
+    additionalEngineEnvironmentConfigurator: ApplicationEngineEnvironmentBuilder.() -> Unit = {},
+    additionalConfigurationConfigurator: TConfiguration.() -> Unit = {},
     block: Application.() -> Unit
-): TEngine {
-    val env = applicationEngineEnvironment {
+): TEngine = embeddedServer(
+    engine,
+    applicationEngineEnvironment {
         module(block)
         connector {
-            this@connector.host = host
-            this@connector.port = port
+            this.host = host
+            this.port = port
         }
-    }
-    return embeddedServer(engine, env)
+        additionalEngineEnvironmentConfigurator()
+    },
+    additionalConfigurationConfigurator
+)
+
+/**
+ * Create server with [CIO] server engine without starting of it
+ *
+ * @see ApplicationEngine.start
+ */
+fun createKtorServer(
+    host: String = "localhost",
+    port: Int = Random.nextInt(1024, 65535),
+    additionalEngineEnvironmentConfigurator: ApplicationEngineEnvironmentBuilder.() -> Unit = {},
+    additionalConfigurationConfigurator: CIOApplicationEngine.Configuration.() -> Unit = {},
+    block: Application.() -> Unit
+): CIOApplicationEngine = createKtorServer(
+    CIO,
+    host,
+    port,
+    additionalEngineEnvironmentConfigurator,
+    additionalConfigurationConfigurator,
+    block
+)
+
+fun <TEngine : ApplicationEngine, TConfiguration : ApplicationEngine.Configuration> createKtorServer(
+    engine: ApplicationEngineFactory<TEngine, TConfiguration>,
+    host: String = "localhost",
+    port: Int = Random.nextInt(1024, 65535),
+    additionalEngineEnvironmentConfigurator: ApplicationEngineEnvironmentBuilder.() -> Unit = {},
+    additionalConfigurationConfigurator: TConfiguration.() -> Unit = {},
+    configurators: List<KtorApplicationConfigurator>
+): TEngine = createKtorServer(
+    engine,
+    host,
+    port,
+    additionalEngineEnvironmentConfigurator,
+    additionalConfigurationConfigurator
+) {
+    configurators.forEach { it.apply { configure() } }
 }
 
 /**
@@ -29,5 +72,7 @@ fun <TEngine : ApplicationEngine, TConfiguration : ApplicationEngine.Configurati
 fun createKtorServer(
     host: String = "localhost",
     port: Int = Random.nextInt(1024, 65535),
-    block: Application.() -> Unit
-): ApplicationEngine = createKtorServer(CIO, host, port, block)
+    configurators: List<KtorApplicationConfigurator>,
+    additionalEngineEnvironmentConfigurator: ApplicationEngineEnvironmentBuilder.() -> Unit = {},
+    additionalConfigurationConfigurator: CIOApplicationEngine.Configuration.() -> Unit = {},
+): ApplicationEngine = createKtorServer(CIO, host, port, additionalEngineEnvironmentConfigurator, additionalConfigurationConfigurator, configurators)

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/TemporalFilesRoutingConfigurator.kt

@@ -0,0 +1,132 @@
+package dev.inmo.micro_utils.ktor.server
+
+import com.benasher44.uuid.uuid4
+import dev.inmo.micro_utils.common.FileName
+import dev.inmo.micro_utils.common.MPPFile
+import dev.inmo.micro_utils.coroutines.launchSafelyWithoutExceptions
+import dev.inmo.micro_utils.ktor.common.DefaultTemporalFilesSubPath
+import dev.inmo.micro_utils.ktor.common.TemporalFileId
+import dev.inmo.micro_utils.ktor.server.configurators.ApplicationRoutingConfigurator
+import io.ktor.http.HttpStatusCode
+import io.ktor.http.content.PartData
+import io.ktor.http.content.streamProvider
+import io.ktor.server.application.call
+import io.ktor.server.request.receiveMultipart
+import io.ktor.server.response.respond
+import io.ktor.server.routing.Route
+import io.ktor.server.routing.post
+import kotlinx.coroutines.*
+import kotlinx.coroutines.flow.*
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import java.io.File
+import java.nio.file.Files
+import java.nio.file.attribute.FileTime
+
+class TemporalFilesRoutingConfigurator(
+    private val subpath: String = DefaultTemporalFilesSubPath,
+    private val unifiedRouter: UnifiedRouter = UnifiedRouter.default,
+    private val temporalFilesUtilizer: TemporalFilesUtilizer = TemporalFilesUtilizer
+) : ApplicationRoutingConfigurator.Element {
+    interface TemporalFilesUtilizer {
+        fun start(filesMap: MutableMap<TemporalFileId, MPPFile>, filesMutex: Mutex, onNewFileFlow: Flow<TemporalFileId>): Job
+
+        companion object : TemporalFilesUtilizer {
+            class ByTimerUtilizer(
+                private val removeMillis: Long,
+                private val scope: CoroutineScope
+            ) : TemporalFilesUtilizer {
+                override fun start(
+                    filesMap: MutableMap<TemporalFileId, MPPFile>,
+                    filesMutex: Mutex,
+                    onNewFileFlow: Flow<TemporalFileId>
+                ): Job = scope.launchSafelyWithoutExceptions {
+                    while (isActive) {
+                        val filesWithCreationInfo = filesMap.mapNotNull { (fileId, file) ->
+                            fileId to ((Files.getAttribute(file.toPath(), "creationTime") as? FileTime) ?.toMillis() ?: return@mapNotNull null)
+                        }
+                        if (filesWithCreationInfo.isEmpty()) {
+                            delay(removeMillis)
+                            continue
+                        }
+                        var min = filesWithCreationInfo.first()
+                        for (fileWithCreationInfo in filesWithCreationInfo) {
+                            if (fileWithCreationInfo.second < min.second) {
+                                min = fileWithCreationInfo
+                            }
+                        }
+                        delay(System.currentTimeMillis() - (min.second + removeMillis))
+                        filesMutex.withLock {
+                            filesMap.remove(min.first)
+                        } ?.delete()
+                    }
+
+                }
+            }
+
+            override fun start(
+                filesMap: MutableMap<TemporalFileId, MPPFile>,
+                filesMutex: Mutex,
+                onNewFileFlow: Flow<TemporalFileId>
+            ): Job = Job()
+        }
+    }
+
+    private val temporalFilesMap = mutableMapOf<TemporalFileId, MPPFile>()
+    private val temporalFilesMutex = Mutex()
+    private val filesFlow = MutableSharedFlow<TemporalFileId>()
+    val utilizerJob = temporalFilesUtilizer.start(temporalFilesMap, temporalFilesMutex, filesFlow.asSharedFlow())
+
+    override fun Route.invoke() {
+        post(subpath) {
+            unifiedRouter.apply {
+                val multipart = call.receiveMultipart()
+
+                var fileInfo: Pair<TemporalFileId, MPPFile>? = null
+                var part = multipart.readPart()
+
+                while (part != null) {
+                    if (part is PartData.FileItem) {
+                        break
+                    }
+                    part = multipart.readPart()
+                }
+
+                part ?.let {
+                    if (it is PartData.FileItem) {
+                        val fileId = TemporalFileId(uuid4().toString())
+                        val fileName = it.originalFileName ?.let { FileName(it) } ?: return@let
+                        fileInfo = fileId to File.createTempFile(fileId.string, ".${fileName.extension}").apply {
+                            outputStream().use { outputStream ->
+                                it.streamProvider().use {
+                                    it.copyTo(outputStream)
+                                }
+                            }
+                            deleteOnExit()
+                        }
+                    }
+                }
+
+                fileInfo ?.also { (fileId, file) ->
+                    temporalFilesMutex.withLock {
+                        temporalFilesMap[fileId] = file
+                    }
+                    call.respond(fileId.string)
+                    launchSafelyWithoutExceptions { filesFlow.emit(fileId) }
+                } ?: call.respond(HttpStatusCode.BadRequest)
+            }
+        }
+    }
+
+    suspend fun removeTemporalFile(temporalFileId: TemporalFileId) {
+        temporalFilesMutex.withLock {
+            temporalFilesMap.remove(temporalFileId)
+        }
+    }
+
+    fun getTemporalFile(temporalFileId: TemporalFileId) = temporalFilesMap[temporalFileId]
+
+    suspend fun getAndRemoveTemporalFile(temporalFileId: TemporalFileId) = temporalFilesMutex.withLock {
+        temporalFilesMap.remove(temporalFileId)
+    }
+}

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/configurators/ApplicationCachingHeadersConfigurator.kt

@@ -1,14 +1,15 @@
 package dev.inmo.micro_utils.ktor.server.configurators
 
-import io.ktor.application.Application
-import io.ktor.application.install
-import io.ktor.features.CachingHeaders
+import io.ktor.server.application.Application
+import io.ktor.server.application.install
+import io.ktor.server.plugins.cachingheaders.CachingHeaders
+import io.ktor.server.plugins.cachingheaders.CachingHeadersConfig
 import kotlinx.serialization.Contextual
 
 data class ApplicationCachingHeadersConfigurator(
     private val elements: List<@Contextual Element>
 ) : KtorApplicationConfigurator {
-    fun interface Element { operator fun CachingHeaders.Configuration.invoke() }
+    fun interface Element { operator fun CachingHeadersConfig.invoke() }
 
     override fun Application.configure() {
         install(CachingHeaders) {

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/configurators/ApplicationRoutingConfigurator.kt

@@ -1,8 +1,9 @@
 package dev.inmo.micro_utils.ktor.server.configurators
 
-import io.ktor.application.*
-import io.ktor.routing.Route
-import io.ktor.routing.Routing
+import dev.inmo.micro_utils.ktor.server.configurators.ApplicationRoutingConfigurator.Element
+import io.ktor.server.application.*
+import io.ktor.server.routing.Route
+import io.ktor.server.routing.Routing
 import kotlinx.serialization.Contextual
 import kotlinx.serialization.Serializable
 
@@ -18,7 +19,7 @@ class ApplicationRoutingConfigurator(
     }
 
     override fun Application.configure() {
-        featureOrNull(Routing) ?.apply {
+        pluginOrNull(Routing) ?.apply {
             rootInstaller.apply { invoke() }
         } ?: install(Routing) {
             rootInstaller.apply { invoke() }

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/configurators/ApplicationSessionsConfigurator.kt

@@ -1,14 +1,15 @@
 package dev.inmo.micro_utils.ktor.server.configurators
 
-import io.ktor.application.Application
-import io.ktor.application.install
-import io.ktor.sessions.Sessions
+import io.ktor.server.application.Application
+import io.ktor.server.application.install
+import io.ktor.server.sessions.Sessions
+import io.ktor.server.sessions.SessionsConfig
 import kotlinx.serialization.Contextual
 
 class ApplicationSessionsConfigurator(
     private val elements: List<@Contextual Element>
 ) : KtorApplicationConfigurator {
-    fun interface Element { operator fun Sessions.Configuration.invoke() }
+    fun interface Element { operator fun SessionsConfig.invoke() }
 
     override fun Application.configure() {
         install(Sessions) {

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/configurators/KtorApplicationConfigurator.kt

@@ -1,6 +1,6 @@
 package dev.inmo.micro_utils.ktor.server.configurators
 
-import io.ktor.application.Application
+import io.ktor.server.application.Application
 
 interface KtorApplicationConfigurator {
     fun Application.configure()

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/configurators/StatusPagesConfigurator.kt

@@ -1,14 +1,15 @@
 package dev.inmo.micro_utils.ktor.server.configurators
 
-import io.ktor.application.Application
-import io.ktor.application.install
-import io.ktor.features.StatusPages
+import io.ktor.server.application.Application
+import io.ktor.server.application.install
+import io.ktor.server.plugins.statuspages.StatusPages
+import io.ktor.server.plugins.statuspages.StatusPagesConfig
 import kotlinx.serialization.Contextual
 
 class StatusPagesConfigurator(
     private val elements: List<@Contextual Element>
 ) : KtorApplicationConfigurator {
-    fun interface Element { operator fun StatusPages.Configuration.invoke() }
+    fun interface Element { operator fun StatusPagesConfig.invoke() }
 
     override fun Application.configure() {
         install(StatusPages) {

language_codes/generator/build.gradle

@@ -4,8 +4,8 @@ buildscript {
     }
 
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
+        classpath libs.buildscript.kt.gradle
+        classpath libs.buildscript.kt.serialization
     }
 }
 
@@ -16,11 +16,16 @@ plugins {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
-    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:$kotlin_serialisation_core_version"
+    implementation libs.kt.stdlib
+    implementation libs.kt.serialization
 
-    implementation "io.ktor:ktor-client-core:$ktor_version"
-    implementation "io.ktor:ktor-client-java:$ktor_version"
+    implementation libs.ktor.client
+    implementation libs.ktor.client.java
 }
 
 mainClassName="MainKt"
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}

language_codes/generator/src/main/kotlin/Main.kt

@@ -1,5 +1,6 @@
 import io.ktor.client.HttpClient
 import io.ktor.client.request.get
+import io.ktor.client.statement.bodyAsText
 import kotlinx.serialization.SerialName
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.builtins.ListSerializer
@@ -164,7 +165,7 @@ suspend fun main(vararg args: String) {
 
     val ietfLanguageCodes = json.decodeFromString(
         ListSerializer(LanguageCode.serializer()),
-        client.get(ietfLanguageCodesLink)
+        client.get(ietfLanguageCodesLink).bodyAsText()
     ).map {
         it.copy(
             title = it.title
@@ -175,7 +176,7 @@ suspend fun main(vararg args: String) {
     }
     val ietfLanguageCodesWithTagsMap = json.decodeFromString(
         ListSerializer(LanguageCodeWithTag.serializer()),
-        client.get(ietfLanguageCodesAdditionalTagsLink)
+        client.get(ietfLanguageCodesAdditionalTagsLink).bodyAsText()
     ).filter { it.withSubtag != it.tag }.groupBy { it.tag }
 
     val tags = ietfLanguageCodes.map {

language_codes/src/commonMain/kotlin/dev/inmo/micro_utils/language_codes/LanguageCodes.kt

@@ -1,3 +1,5 @@
+@file:Suppress("SERIALIZER_TYPE_INCOMPATIBLE")
+
 package dev.inmo.micro_utils.language_codes
 
 import kotlinx.serialization.Serializable

mime_types/mimes_generator/mime_generator.py

@@ -0,0 +1,52 @@
+import requests
+from bs4 import BeautifulSoup
+import pandas as pd
+import itertools
+
+def fix_name(category, raw_name):
+    splitted = raw_name.replace('-', '+').replace('.', '+').replace(',', '+').split('+')
+    out1 = ""
+    for s in splitted:
+        out1 += s.capitalize()
+
+    result = ""
+    if out1[0].isdigit():
+        result += category[0].capitalize()
+        result += out1
+    else:
+        result += out1
+    return result
+
+if __name__ == '__main__':
+    df = pd.read_html(open('table.html', 'r'))
+    mimes = []
+    for row in df[0].iterrows():
+        mime = row[1][1]
+        mime_category = mime.split('/', 1)[0]
+        mime_name = mime.split('/', 1)[1]
+        mimes.append({
+            'mime_category': mime_category,
+            'mime_name': mime_name,
+        })
+
+    # codegen
+
+    mimes.sort(key=lambda x: x['mime_category'])
+    grouped = itertools.groupby(mimes, lambda x: x['mime_category'])
+    code = ''
+    code2 = 'internal val knownMimeTypes: Set<MimeType> = setOf(\n'
+    code2 += '    KnownMimeTypes.Any,\n'
+    for key, group in grouped:
+        group_name = key.capitalize()
+        code += '@Serializable(MimeTypeSerializer::class)\nsealed class %s(raw: String) : MimeType, KnownMimeTypes(raw) {\n' % group_name
+        code += '    @Serializable(MimeTypeSerializer::class)\n    object Any: %s ("%s/*")\n' % (group_name, key)
+        for mime in group:
+            name = fix_name(mime['mime_category'], mime['mime_name'])
+            code += '    @Serializable(MimeTypeSerializer::class)\n    object %s: %s ("%s/%s")\n' % (name, group_name, mime['mime_category'], mime['mime_name'])
+            code2 += '    KnownMimeTypes.%s.%s,\n' % (group_name, name)
+        code += '}\n\n'
+    code2 += ')\n'
+    with open('out1.txt', 'w') as file:
+        file.write(code)
+    with open('out2.txt', 'w') as file:
+        file.write(code2)

mime_types/src/commonMain/kotlin/dev/inmo/micro_utils/mime_types/KnownMimeTypes.kt

@@ -1,3 +1,5 @@
+@file:Suppress("SERIALIZER_TYPE_INCOMPATIBLE")
+
 package dev.inmo.micro_utils.mime_types
 
 import kotlinx.serialization.Serializable