Partially fixed a bug with MutableMeta observable wrappers.

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Unreleased
 
 ### Added
+- Wasm artifacts
 
 ### Changed
 
@@ -11,6 +12,7 @@
 ### Removed
 
 ### Fixed
+- Partially fixed a bug with `MutableMeta` observable wrappers.
 
 ### Security
 

dataforge-context/build.gradle.kts

@@ -8,12 +8,14 @@ kscience {
     jvm()
     js()
     native()
+    wasm()
     useCoroutines()
     useSerialization()
-    dependencies {
+    commonMain {
         api(project(":dataforge-meta"))
+        api(spclibs.atomicfu)
     }
-    dependencies(jvmMain){
+    jvmMain{
         api(kotlin("reflect"))
         api("org.slf4j:slf4j-api:1.7.30")
     }

dataforge-context/src/wasmJsMain/kotlin/space/kscience/dataforge/context/loggingWasm.kt

@@ -0,0 +1,3 @@
+package space.kscience.dataforge.context
+
+internal actual fun getGlobalLoggerFactory(): PluginFactory<out LogManager> = DefaultLogManager

dataforge-data/build.gradle.kts

@@ -6,9 +6,11 @@ kscience{
     jvm()
     js()
     native()
+    wasm()
     useCoroutines()
     dependencies {
-        api(project(":dataforge-meta"))
+        api(spclibs.atomicfu)
+        api(projects.dataforgeMeta)
         api(kotlin("reflect"))
     }
 }

dataforge-data/src/jvmTest/kotlin/space/kscience/dataforge/data/ActionsTest.kt

@@ -6,7 +6,7 @@ import kotlinx.coroutines.test.runTest
 import org.junit.jupiter.api.Test
 import space.kscience.dataforge.actions.Action
 import space.kscience.dataforge.actions.invoke
-import space.kscience.dataforge.actions.map
+import space.kscience.dataforge.actions.mapping
 import space.kscience.dataforge.misc.DFExperimental
 import kotlin.test.assertEquals
 
@@ -20,7 +20,7 @@ internal class ActionsTest {
             }
         }
 
-        val plusOne = Action.map<Int, Int> {
+        val plusOne = Action.mapping<Int, Int> {
             result { it + 1 }
         }
         val result = plusOne(data)
@@ -31,7 +31,7 @@ internal class ActionsTest {
     fun testDynamicMapAction() = runTest {
         val data: DataSourceBuilder<Int> = DataSource()
 
-        val plusOne = Action.map<Int, Int> {
+        val plusOne = Action.mapping<Int, Int> {
             result { it + 1 }
         }
 

dataforge-io/build.gradle.kts

@@ -4,12 +4,13 @@ plugins {
 
 description = "IO module"
 
-val ioVersion = "0.2.1"
+val ioVersion = "0.3.0"
 
 kscience {
     jvm()
     js()
     native()
+    wasm()
     useSerialization()
     useSerialization(sourceSet = space.kscience.gradle.DependencySourceSet.TEST) {
         cbor()

dataforge-meta/api/dataforge-meta.api

@@ -724,6 +724,7 @@ public final class space/kscience/dataforge/meta/descriptors/MetaDescriptorBuild
 	public final fun getAttributes ()Lspace/kscience/dataforge/meta/MutableMeta;
 	public final fun getChildren ()Ljava/util/Map;
 	public final fun getDefault ()Lspace/kscience/dataforge/meta/Value;
+	public final fun getDescription ()Ljava/lang/String;
 	public final fun getIndexKey ()Ljava/lang/String;
 	public final fun getInfo ()Ljava/lang/String;
 	public final fun getMultiple ()Z
@@ -737,6 +738,7 @@ public final class space/kscience/dataforge/meta/descriptors/MetaDescriptorBuild
 	public final fun setAttributes (Lspace/kscience/dataforge/meta/MutableMeta;)V
 	public final fun setChildren (Ljava/util/Map;)V
 	public final fun setDefault (Lspace/kscience/dataforge/meta/Value;)V
+	public final fun setDescription (Ljava/lang/String;)V
 	public final fun setIndexKey (Ljava/lang/String;)V
 	public final fun setInfo (Ljava/lang/String;)V
 	public final fun setMultiple (Z)V
@@ -903,7 +905,7 @@ public abstract interface annotation class space/kscience/dataforge/misc/DFExper
 public abstract interface annotation class space/kscience/dataforge/misc/DFInternal : java/lang/annotation/Annotation {
 }
 
-public abstract interface annotation class space/kscience/dataforge/misc/DfId : java/lang/annotation/Annotation {
+public abstract interface annotation class space/kscience/dataforge/misc/DfType : java/lang/annotation/Annotation {
 	public abstract fun id ()Ljava/lang/String;
 }
 
@@ -944,6 +946,7 @@ public final class space/kscience/dataforge/names/NameKt {
 	public static final fun asName (Lspace/kscience/dataforge/names/NameToken;)Lspace/kscience/dataforge/names/Name;
 	public static final fun cutFirst (Lspace/kscience/dataforge/names/Name;)Lspace/kscience/dataforge/names/Name;
 	public static final fun cutLast (Lspace/kscience/dataforge/names/Name;)Lspace/kscience/dataforge/names/Name;
+	public static final fun endsWith (Lspace/kscience/dataforge/names/Name;Ljava/lang/String;)Z
 	public static final fun endsWith (Lspace/kscience/dataforge/names/Name;Lspace/kscience/dataforge/names/Name;)Z
 	public static final fun endsWith (Lspace/kscience/dataforge/names/Name;Lspace/kscience/dataforge/names/NameToken;)Z
 	public static final fun first (Lspace/kscience/dataforge/names/Name;)Lspace/kscience/dataforge/names/NameToken;
@@ -966,6 +969,7 @@ public final class space/kscience/dataforge/names/NameKt {
 	public static final fun removeHeadOrNull (Lspace/kscience/dataforge/names/Name;Lspace/kscience/dataforge/names/Name;)Lspace/kscience/dataforge/names/Name;
 	public static final fun replaceLast (Lspace/kscience/dataforge/names/Name;Lkotlin/jvm/functions/Function1;)Lspace/kscience/dataforge/names/Name;
 	public static final fun set (Ljava/util/Map;Ljava/lang/String;Ljava/lang/Object;)V
+	public static final fun startsWith (Lspace/kscience/dataforge/names/Name;Ljava/lang/String;)Z
 	public static final fun startsWith (Lspace/kscience/dataforge/names/Name;Lspace/kscience/dataforge/names/Name;)Z
 	public static final fun startsWith (Lspace/kscience/dataforge/names/Name;Lspace/kscience/dataforge/names/NameToken;)Z
 	public static final fun withIndex (Lspace/kscience/dataforge/names/Name;Ljava/lang/String;)Lspace/kscience/dataforge/names/Name;

dataforge-meta/build.gradle.kts

@@ -6,6 +6,7 @@ kscience {
     jvm()
     js()
     native()
+    wasm()
     useSerialization{
         json()
     }

dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/meta/ObservableMetaWrapper.kt

@@ -6,60 +6,71 @@ import space.kscience.dataforge.names.*
 
 /**
  * A class that takes [MutableMeta] provider and adds obsevability on top of that
+ *
+ * TODO rewrite to properly work with detached nodes
  */
 private class ObservableMetaWrapper(
     val root: MutableMeta,
-    val absoluteName: Name,
+    val nodeName: Name,
     val listeners: MutableSet<MetaListener>,
 ) : ObservableMutableMeta {
     override val items: Map<NameToken, ObservableMutableMeta>
         get() = root.items.keys.associateWith {
-            ObservableMetaWrapper(root, absoluteName + it, listeners)
+            ObservableMetaWrapper(root, nodeName + it, listeners)
         }
 
-    override fun get(name: Name): ObservableMutableMeta? =
+    override fun get(name: Name): ObservableMutableMeta? = if (root[nodeName + name] == null) {
-        root.get(name)?.let { ObservableMetaWrapper(root, this.absoluteName + name, listeners) }
+        null
+    } else {
+        ObservableMetaWrapper(root, nodeName + name, listeners)
+    }
 
     @ThreadSafe
     override fun onChange(owner: Any?, callback: Meta.(name: Name) -> Unit) {
         listeners.add(
-            MetaListener(Pair(owner, absoluteName)) { name ->
+            MetaListener(Pair(owner, nodeName)) { fullName ->
-                if (name.startsWith(absoluteName)) {
+                if (fullName.startsWith(nodeName)) {
-                    (this[absoluteName] ?: Meta.EMPTY).callback(name.removeFirstOrNull(absoluteName)!!)
+                    root[nodeName]?.callback(fullName.removeFirstOrNull(nodeName)!!)
                 }
             }
         )
     }
 
     override fun removeListener(owner: Any?) {
-        listeners.removeAll { it.owner === Pair(owner, absoluteName) }
+        listeners.removeAll { it.owner === Pair(owner, nodeName) }
     }
 
     override fun invalidate(name: Name) {
-        listeners.forEach { it.callback(this, name) }
+        listeners.forEach { it.callback(this, nodeName + name) }
     }
 
     override var value: Value?
-        get() = root.value
+        get() = root[nodeName]?.value
         set(value) {
-            root.value = value
+            root.getOrCreate(nodeName).value = value
             invalidate(Name.EMPTY)
         }
 
     override fun getOrCreate(name: Name): ObservableMutableMeta =
-        ObservableMetaWrapper(root, this.absoluteName + name, listeners)
+        ObservableMetaWrapper(root, nodeName + name, listeners)
 
-    override fun set(name: Name, node: Meta?) {
+    fun removeNode(name: Name): Meta? {
         val oldMeta = get(name)
         //don't forget to remove listener
         oldMeta?.removeListener(this)
-        root.set(absoluteName + name, node)
+
+        return oldMeta
+    }
+
+    override fun set(name: Name, node: Meta?) {
+        val oldMeta = removeNode(name)
+        root[nodeName + name] = node
         if (oldMeta != node) {
             invalidate(name)
         }
     }
 
-    override fun toMeta(): Meta = root[absoluteName]?.toMeta() ?: Meta.EMPTY
+    override fun toMeta(): Meta = root[nodeName]?.toMeta() ?: Meta.EMPTY
 
     override fun toString(): String = Meta.toString(this)
     override fun equals(other: Any?): Boolean = Meta.equals(this, other as? Meta)

dataforge-meta/src/commonMain/kotlin/space/kscience/dataforge/names/Name.kt

@@ -216,9 +216,13 @@ public fun Name.endsWith(token: NameToken): Boolean = lastOrNull() == token
 public fun Name.startsWith(name: Name): Boolean =
     this.length >= name.length && (this == name || tokens.subList(0, name.length) == name.tokens)
 
+public fun Name.startsWith(name: String): Boolean = startsWith(name.parseAsName())
+
 public fun Name.endsWith(name: Name): Boolean =
     this.length >= name.length && (this == name || tokens.subList(length - name.length, length) == name.tokens)
 
+public fun Name.endsWith(name: String): Boolean = endsWith(name.parseAsName())
+
 /**
  * if [this] starts with given [head] name, returns the reminder of the name (could be empty). Otherwise, returns null
  */

dataforge-meta/src/commonTest/kotlin/space/kscience/dataforge/meta/ObservableMetaTest.kt

@@ -0,0 +1,49 @@
+package space.kscience.dataforge.meta
+
+import space.kscience.dataforge.names.startsWith
+import kotlin.test.Ignore
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class ObservableMetaTest {
+
+    @Test
+    fun asObservable() {
+        val meta = MutableMeta {
+            "data" put {
+                "x" put ListValue(1, 2, 3)
+                "y" put ListValue(5, 6, 7)
+                "type" put "scatter"
+            }
+        }.asObservable()
+
+        assertEquals("scatter", meta["data.type"].string)
+    }
+
+    @Test
+    @Ignore
+    fun detachNode() {
+        val meta = MutableMeta {
+            "data" put {
+                "x" put ListValue(1, 2, 3)
+                "y" put ListValue(5, 6, 7)
+                "type" put "scatter"
+            }
+        }.asObservable()
+
+        var collector: Value? = null
+
+        meta.onChange(null) { name ->
+            if (name.startsWith("data")) {
+                collector = get("data.z")?.value
+            }
+        }
+
+        val data = meta["data"]!!
+
+        meta.remove("data")
+
+        data["z"] = ListValue(2, 5, 7)
+        assertEquals(null, collector)
+    }
+}

dataforge-meta/src/jsMain/kotlin/space/kscience/dataforge/misc/castJs.kt

@@ -1,5 +1,5 @@
 package space.kscience.dataforge.misc
 import kotlin.js.unsafeCast as unsafeCastJs
 
-@Suppress("UNCHECKED_CAST", "NOTHING_TO_INLINE")
+@Suppress("NOTHING_TO_INLINE")
-public actual inline fun <T> Any?.unsafeCast(): T = this.unsafeCastJs<T>()
+public actual inline fun <T> Any?.unsafeCast(): T = unsafeCastJs<T>()

dataforge-meta/src/nativeMain/kotlin/space/kscience/dataforge/misc/castNative.kt

@@ -1,4 +1,4 @@
 package space.kscience.dataforge.misc
 
-@Suppress("UNCHECKED_CAST", "NOTHING_TO_INLINE")
+@Suppress("UNCHECKED_CAST")
 public actual inline fun <T> Any?.unsafeCast(): T = this as T

dataforge-meta/src/wasmJsMain/kotlin/space/kscience/dataforge/misc/castWasm.kt

@@ -0,0 +1,4 @@
+package space.kscience.dataforge.misc
+
+@Suppress("UNCHECKED_CAST", "NOTHING_TO_INLINE")
+public actual inline fun <T> Any?.unsafeCast(): T = this as T

dataforge-scripting/build.gradle.kts

@@ -4,15 +4,15 @@ plugins {
 
 kscience{
     jvm()
-    dependencies {
+    commonMain {
         api(projects.dataforgeWorkspace)
         implementation(kotlin("scripting-common"))
     }
-    dependencies(jvmMain){
+    jvmMain{
         implementation(kotlin("scripting-jvm-host"))
         implementation(kotlin("scripting-jvm"))
     }
-    dependencies(jvmTest){
+    jvmTest{
         implementation(spclibs.logback.classic)
     }
 }

dataforge-workspace/build.gradle.kts

@@ -6,24 +6,22 @@ kscience{
     jvm()
     js()
     native()
+    wasm()
     useCoroutines()
     useSerialization {
         protobuf()
     }
     commonMain {
-        dependencies {
         api(projects.dataforgeContext)
         api(projects.dataforgeData)
         api(projects.dataforgeIo)
-        }
+
     }
     jvmTest {
-        dependencies {
         implementation(spclibs.logback.classic)
         implementation(projects.dataforgeIo.dataforgeIoYaml)
     }
 }
-}
 
 readme {
     maturity = space.kscience.gradle.Maturity.EXPERIMENTAL

gradle.properties

@@ -6,5 +6,5 @@ kotlin.mpp.stability.nowarn=true
 kotlin.incremental.js.ir=true
 kotlin.native.ignoreDisabledTargets=true
 
-toolsVersion=0.15.1-kotlin-1.9.21
+toolsVersion=0.15.2-kotlin-1.9.21
 #kotlin.experimental.tryK2=true