Add wasm example for ktor client (#189)

ktor-client-wasm/.fleet/receipt.json

@@ -0,0 +1,14 @@
+// Project generated by Kotlin Multiplatform Wizard
+{
+    "spec": {
+        "template_id": "kmt",
+        "targets": {
+            "web": {
+                "ui": [
+                    "compose"
+                ]
+            }
+        }
+    },
+    "timestamp": "2024-03-22T09:05:07.407317266Z"
+}

ktor-client-wasm/.gitignore

@@ -0,0 +1,17 @@
+*.iml
+.gradle
+**/build/
+xcuserdata
+!src/**/build/
+local.properties
+.idea
+.DS_Store
+captures
+.externalNativeBuild
+.cxx
+*.xcodeproj/*
+!*.xcodeproj/project.pbxproj
+!*.xcodeproj/xcshareddata/
+!*.xcodeproj/project.xcworkspace/
+!*.xcworkspace/contents.xcworkspacedata
+**/xcshareddata/WorkspaceSettings.xcsettings

ktor-client-wasm/README.md

@@ -0,0 +1,13 @@
+# Ktor-client-wasm
+
+A compose wasm-js application using Ktor HttpClient to make requests.
+
+## Running
+
+Execute this command to run the sample:
+
+```bash
+./gradlew clean wasmJsBrowserRun
+```
+
+Then, navigate to [http://localhost:8080/](http://localhost:8080/) to see the sample home page.  

ktor-client-wasm/build.gradle.kts

@@ -0,0 +1,6 @@
+plugins {
+    // this is necessary to avoid the plugins to be loaded multiple times
+    // in each subproject's classloader
+    alias(libs.plugins.jetbrainsCompose) apply false
+    alias(libs.plugins.kotlinMultiplatform) apply false
+}

ktor-client-wasm/composeApp/build.gradle.kts

@@ -0,0 +1,53 @@
+import org.jetbrains.compose.desktop.application.dsl.TargetFormat
+import org.jetbrains.kotlin.gradle.targets.js.dsl.ExperimentalWasmDsl
+import org.jetbrains.kotlin.gradle.targets.js.webpack.KotlinWebpackConfig
+
+plugins {
+    alias(libs.plugins.kotlinMultiplatform)
+
+    alias(libs.plugins.jetbrainsCompose)
+}
+
+repositories {
+    maven("https://maven.pkg.jetbrains.space/public/p/ktor/eap")
+    mavenCentral()
+    google()
+}
+
+kotlin {
+    @OptIn(ExperimentalWasmDsl::class)
+    wasmJs {
+        moduleName = "composeApp"
+        browser {
+            commonWebpackConfig {
+                outputFileName = "composeApp.js"
+                devServer = (devServer ?: KotlinWebpackConfig.DevServer()).apply {
+                    static = (static ?: mutableListOf()).apply {
+                        // Serve sources to debug inside browser
+                        add(project.projectDir.path)
+                    }
+                }
+            }
+        }
+        binaries.executable()
+    }
+
+    sourceSets {
+        commonMain.dependencies {
+            implementation(compose.runtime)
+            implementation(compose.foundation)
+            implementation(compose.material)
+            implementation(compose.ui)
+            implementation(compose.components.resources)
+            implementation(compose.components.uiToolingPreview)
+
+            implementation(libs.ktorClientCore)
+        }
+    }
+}
+
+
+
+compose.experimental {
+    web.application {}
+}

ktor-client-wasm/composeApp/src/commonMain/composeResources/drawable/compose-multiplatform.xml

@@ -0,0 +1,36 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="600dp"
+    android:height="600dp"
+    android:viewportWidth="600"
+    android:viewportHeight="600">
+  <path
+      android:pathData="M301.21,418.53C300.97,418.54 300.73,418.56 300.49,418.56C297.09,418.59 293.74,417.72 290.79,416.05L222.6,377.54C220.63,376.43 219,374.82 217.85,372.88C216.7,370.94 216.09,368.73 216.07,366.47L216.07,288.16C216.06,287.32 216.09,286.49 216.17,285.67C216.38,283.54 216.91,281.5 217.71,279.6L199.29,268.27L177.74,256.19C175.72,260.43 174.73,265.23 174.78,270.22L174.79,387.05C174.85,393.89 178.57,400.2 184.53,403.56L286.26,461.02C290.67,463.51 295.66,464.8 300.73,464.76C300.91,464.76 301.09,464.74 301.27,464.74C301.24,449.84 301.22,439.23 301.22,439.23L301.21,418.53Z"
+      android:fillColor="#041619"
+      android:fillType="nonZero"/>
+  <path
+      android:pathData="M409.45,242.91L312.64,188.23C303.64,183.15 292.58,183.26 283.68,188.51L187.92,245C183.31,247.73 179.93,251.62 177.75,256.17L177.74,256.19L199.29,268.27L217.71,279.6C217.83,279.32 217.92,279.02 218.05,278.74C218.24,278.36 218.43,277.98 218.64,277.62C219.06,276.88 219.52,276.18 220.04,275.51C221.37,273.8 223.01,272.35 224.87,271.25L289.06,233.39C290.42,232.59 291.87,231.96 293.39,231.51C295.53,230.87 297.77,230.6 300,230.72C302.98,230.88 305.88,231.73 308.47,233.2L373.37,269.85C375.54,271.08 377.49,272.68 379.13,274.57C379.68,275.19 380.18,275.85 380.65,276.53C380.86,276.84 381.05,277.15 381.24,277.47L397.79,266.39L420.34,252.93L420.31,252.88C417.55,248.8 413.77,245.35 409.45,242.91Z"
+      android:fillColor="#37BF6E"
+      android:fillType="nonZero"/>
+  <path
+      android:pathData="M381.24,277.47C381.51,277.92 381.77,278.38 382.01,278.84C382.21,279.24 382.39,279.65 382.57,280.06C382.91,280.88 383.19,281.73 383.41,282.59C383.74,283.88 383.92,285.21 383.93,286.57L383.93,361.1C383.96,363.95 383.35,366.77 382.16,369.36C381.93,369.86 381.69,370.35 381.42,370.83C379.75,373.79 377.32,376.27 374.39,378L310.2,415.87C307.47,417.48 304.38,418.39 301.21,418.53L301.22,439.23C301.22,439.23 301.24,449.84 301.27,464.74C306.1,464.61 310.91,463.3 315.21,460.75L410.98,404.25C419.88,399 425.31,389.37 425.22,379.03L425.22,267.85C425.17,262.48 423.34,257.34 420.34,252.93L397.79,266.39L381.24,277.47Z"
+      android:fillColor="#3870B2"
+      android:fillType="nonZero"/>
+  <path
+      android:pathData="M177.75,256.17C179.93,251.62 183.31,247.73 187.92,245L283.68,188.51C292.58,183.26 303.64,183.15 312.64,188.23L409.45,242.91C413.77,245.35 417.55,248.8 420.31,252.88L420.34,252.93L498.59,206.19C494.03,199.46 487.79,193.78 480.67,189.75L320.86,99.49C306.01,91.1 287.75,91.27 273.07,99.95L114.99,193.2C107.39,197.69 101.81,204.11 98.21,211.63L177.74,256.19L177.75,256.17ZM301.27,464.74C301.09,464.74 300.91,464.76 300.73,464.76C295.66,464.8 290.67,463.51 286.26,461.02L184.53,403.56C178.57,400.2 174.85,393.89 174.79,387.05L174.78,270.22C174.73,265.23 175.72,260.43 177.74,256.19L98.21,211.63C94.86,218.63 93.23,226.58 93.31,234.82L93.31,427.67C93.42,438.97 99.54,449.37 109.4,454.92L277.31,549.77C284.6,553.88 292.84,556.01 301.2,555.94L301.2,555.8C301.39,543.78 301.33,495.26 301.27,464.74Z"
+      android:strokeWidth="10"
+      android:fillColor="#00000000"
+      android:strokeColor="#083042"
+      android:fillType="nonZero"/>
+  <path
+      android:pathData="M498.59,206.19L420.34,252.93C423.34,257.34 425.17,262.48 425.22,267.85L425.22,379.03C425.31,389.37 419.88,399 410.98,404.25L315.21,460.75C310.91,463.3 306.1,464.61 301.27,464.74C301.33,495.26 301.39,543.78 301.2,555.8L301.2,555.94C309.48,555.87 317.74,553.68 325.11,549.32L483.18,456.06C497.87,447.39 506.85,431.49 506.69,414.43L506.69,230.91C506.6,222.02 503.57,213.5 498.59,206.19Z"
+      android:strokeWidth="10"
+      android:fillColor="#00000000"
+      android:strokeColor="#083042"
+      android:fillType="nonZero"/>
+  <path
+      android:pathData="M301.2,555.94C292.84,556.01 284.6,553.88 277.31,549.76L109.4,454.92C99.54,449.37 93.42,438.97 93.31,427.67L93.31,234.82C93.23,226.58 94.86,218.63 98.21,211.63C101.81,204.11 107.39,197.69 114.99,193.2L273.07,99.95C287.75,91.27 306.01,91.1 320.86,99.49L480.67,189.75C487.79,193.78 494.03,199.46 498.59,206.19C503.57,213.5 506.6,222.02 506.69,230.91L506.69,414.43C506.85,431.49 497.87,447.39 483.18,456.06L325.11,549.32C317.74,553.68 309.48,555.87 301.2,555.94Z"
+      android:strokeWidth="10"
+      android:fillColor="#00000000"
+      android:strokeColor="#083042"
+      android:fillType="nonZero"/>
+</vector>

ktor-client-wasm/composeApp/src/wasmJsMain/kotlin/App.kt

@@ -0,0 +1,55 @@
+import androidx.compose.animation.AnimatedVisibility
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.material.Button
+import androidx.compose.material.MaterialTheme
+import androidx.compose.material.Text
+import androidx.compose.runtime.*
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.asComposeImageBitmap
+import androidx.compose.ui.graphics.painter.BitmapPainter
+import io.ktor.client.*
+import io.ktor.client.call.*
+import io.ktor.client.request.*
+import org.jetbrains.skia.Bitmap
+
+val client = HttpClient()
+
+@Composable
+fun UrlImage(url: String) {
+    var painter by remember { mutableStateOf<BitmapPainter?>(null) }
+
+    LaunchedEffect(Unit) {
+        val response: ByteArray = client.get(url)
+            .body()
+
+        val image = org.jetbrains.skia.Image.makeFromEncoded(response)
+        val bitmap = Bitmap.Companion
+            .makeFromImage(image)
+            .asComposeImageBitmap()
+        painter = BitmapPainter(bitmap)
+    }
+
+    val imagePainter = painter ?: return
+    Image(
+        painter = imagePainter,
+        contentDescription = url
+    )
+}
+
+@Composable
+fun App() {
+    MaterialTheme {
+        var showContent by remember { mutableStateOf(false) }
+        Column(Modifier.fillMaxWidth(), horizontalAlignment = Alignment.CenterHorizontally) {
+            Button(onClick = { showContent = !showContent }) {
+                Text("Click me!")
+            }
+            AnimatedVisibility(showContent) {
+                UrlImage("/kodee.png")
+            }
+        }
+    }
+}

ktor-client-wasm/composeApp/src/wasmJsMain/kotlin/Greeting.kt

@@ -0,0 +1,7 @@
+class Greeting {
+    private val platform = getPlatform()
+
+    fun greet(): String {
+        return "Hello, ${platform.name}!"
+    }
+}

ktor-client-wasm/composeApp/src/wasmJsMain/kotlin/Platform.kt

@@ -0,0 +1,5 @@
+class WasmPlatform {
+    val name: String = "Web with Kotlin/Wasm"
+}
+
+fun getPlatform() = WasmPlatform()

ktor-client-wasm/composeApp/src/wasmJsMain/kotlin/main.kt

@@ -0,0 +1,7 @@
+import androidx.compose.ui.ExperimentalComposeUiApi
+import androidx.compose.ui.window.CanvasBasedWindow
+
+@OptIn(ExperimentalComposeUiApi::class)
+fun main() {
+    CanvasBasedWindow(canvasElementId = "ComposeTarget") { App() }
+}

ktor-client-wasm/composeApp/src/wasmJsMain/resources/index.html

@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Compose App</title>
+    <script>
+        window.process = {
+            env: {
+                "KTOR_LOG_LEVEL": "DEBUG",
+            },
+            release: {
+                name: "browser"
+            }
+        }
+    </script>
+
+    <script type="application/javascript" src="skiko.js"></script>
+    <script type="application/javascript" src="composeApp.js"></script>
+</head>
+<body>
+
+<canvas id="ComposeTarget"></canvas>
+</body>
+</html>

ktor-client-wasm/gradle.properties

@@ -0,0 +1,11 @@
+kotlin.code.style=official
+
+#Gradle
+org.gradle.jvmargs=-Xmx2048M -Dfile.encoding=UTF-8 -Dkotlin.daemon.jvm.options\="-Xmx2048M"
+
+
+#Compose
+org.jetbrains.compose.experimental.wasm.enabled=true
+
+#Development
+development=true

ktor-client-wasm/gradle/libs.versions.toml

@@ -0,0 +1,18 @@
+[versions]
+compose = "1.6.2"
+compose-plugin = "1.6.0"
+junit = "4.13.2"
+kotlin = "1.9.22"
+ktor = "3.0.0-beta-2-eap-920"
+
+[libraries]
+kotlin-test = { module = "org.jetbrains.kotlin:kotlin-test", version.ref = "kotlin" }
+kotlin-test-junit = { module = "org.jetbrains.kotlin:kotlin-test-junit", version.ref = "kotlin" }
+junit = { group = "junit", name = "junit", version.ref = "junit" }
+compose-ui-tooling = { module = "androidx.compose.ui:ui-tooling", version.ref = "compose" }
+compose-ui-tooling-preview = { module = "androidx.compose.ui:ui-tooling-preview", version.ref = "compose" }
+ktorClientCore = { module = "io.ktor:ktor-client-core", version.ref = "ktor" }
+
+[plugins]
+jetbrainsCompose = { id = "org.jetbrains.compose", version.ref = "compose-plugin" }
+kotlinMultiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }

ktor-client-wasm/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,7 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+networkTimeout=10000
+validateDistributionUrl=true
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists