├── .gitignore ├── .travis.yml ├── LICENSE.txt ├── README.md ├── build.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── lib ├── build.gradle └── src │ ├── main │ └── kotlin │ │ └── redux │ │ ├── Middleware.kt │ │ ├── Reducer.kt │ │ └── Store.kt │ └── test │ └── kotlin │ └── redux │ ├── MiddlewareTest.kt │ ├── StoreTest.kt │ ├── api │ └── VanillaStoreSpecsTest.kt │ └── helpers │ ├── ActionCreators.kt │ ├── Reducers.kt │ └── Todos.kt └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | 2 | # Created by https://www.gitignore.io/api/android,intellij,eclipse,osx 3 | 4 | ### Android ### 5 | # Built application files 6 | *.apk 7 | *.ap_ 8 | 9 | # Files for the ART/Dalvik VM 10 | *.dex 11 | 12 | # Java class files 13 | *.class 14 | 15 | # Generated files 16 | bin/ 17 | gen/ 18 | out/ 19 | 20 | # Gradle files 21 | .gradle/ 22 | build/ 23 | 24 | # Local configuration file (sdk path, etc) 25 | local.properties 26 | 27 | # Proguard folder generated by Eclipse 28 | proguard/ 29 | 30 | # Log Files 31 | *.log 32 | 33 | # Android Studio Navigation editor temp files 34 | .navigation/ 35 | 36 | # Android Studio captures folder 37 | captures/ 38 | 39 | # Intellij 40 | *.iml 41 | .idea/ 42 | 43 | # Keystore files 44 | *.jks 45 | 46 | ### Android Patch ### 47 | gen-external-apklibs 48 | 49 | 50 | ### Intellij ### 51 | # Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio and Webstorm 52 | # Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839 53 | 54 | # User-specific stuff: 55 | .idea/workspace.xml 56 | .idea/tasks.xml 57 | .idea/dictionaries 58 | .idea/vcs.xml 59 | .idea/jsLibraryMappings.xml 60 | 61 | # Sensitive or high-churn files: 62 | .idea/dataSources.ids 63 | .idea/dataSources.xml 64 | .idea/dataSources.local.xml 65 | .idea/sqlDataSources.xml 66 | .idea/dynamic.xml 67 | .idea/uiDesigner.xml 68 | 69 | # Gradle: 70 | .idea/gradle.xml 71 | .idea/libraries 72 | 73 | # Mongo Explorer plugin: 74 | .idea/mongoSettings.xml 75 | 76 | ## File-based project format: 77 | *.iws 78 | 79 | ## Plugin-specific files: 80 | 81 | # IntelliJ 82 | /out/ 83 | 84 | # mpeltonen/sbt-idea plugin 85 | .idea_modules/ 86 | 87 | # JIRA plugin 88 | atlassian-ide-plugin.xml 89 | 90 | # Crashlytics plugin (for Android Studio and IntelliJ) 91 | com_crashlytics_export_strings.xml 92 | crashlytics.properties 93 | crashlytics-build.properties 94 | fabric.properties 95 | 96 | ### Intellij Patch ### 97 | # Comment Reason: https://github.com/joeblau/gitignore.io/issues/186#issuecomment-215987721 98 | 99 | # *.iml 100 | # modules.xml 101 | # .idea/misc.xml 102 | # *.ipr 103 | 104 | 105 | ### Eclipse ### 106 | 107 | .metadata 108 | bin/ 109 | tmp/ 110 | *.tmp 111 | *.bak 112 | *.swp 113 | *~.nib 114 | local.properties 115 | .settings/ 116 | .loadpath 117 | .recommenders 118 | 119 | # Eclipse Core 120 | .project 121 | 122 | # External tool builders 123 | .externalToolBuilders/ 124 | 125 | # Locally stored "Eclipse launch configurations" 126 | *.launch 127 | 128 | # PyDev specific (Python IDE for Eclipse) 129 | *.pydevproject 130 | 131 | # CDT-specific (C/C++ Development Tooling) 132 | .cproject 133 | 134 | # JDT-specific (Eclipse Java Development Tools) 135 | .classpath 136 | 137 | # Java annotation processor (APT) 138 | .factorypath 139 | 140 | # PDT-specific (PHP Development Tools) 141 | .buildpath 142 | 143 | # sbteclipse plugin 144 | .target 145 | 146 | # Tern plugin 147 | .tern-project 148 | 149 | # TeXlipse plugin 150 | .texlipse 151 | 152 | # STS (Spring Tool Suite) 153 | .springBeans 154 | 155 | # Code Recommenders 156 | .recommenders/ 157 | 158 | 159 | ### OSX ### 160 | *.DS_Store 161 | .AppleDouble 162 | .LSOverride 163 | 164 | # Icon must end with two \r 165 | Icon 166 | 167 | 168 | # Thumbnails 169 | ._* 170 | 171 | # Files that might appear in the root of a volume 172 | .DocumentRevisions-V100 173 | .fseventsd 174 | .Spotlight-V100 175 | .TemporaryItems 176 | .Trashes 177 | .VolumeIcon.icns 178 | .com.apple.timemachine.donotpresent 179 | 180 | # Directories potentially created on remote AFP share 181 | .AppleDB 182 | .AppleDesktop 183 | Network Trash Folder 184 | Temporary Items 185 | .apdisk 186 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: java 2 | 3 | jdk: 4 | - 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We also recommend that a 186 | file or class name and description of purpose be included on the 187 | same "printed page" as the copyright notice for easier 188 | identification within third-party archives. 189 | 190 | Copyright [yyyy] [name of copyright owner] 191 | 192 | Licensed under the Apache License, Version 2.0 (the "License"); 193 | you may not use this file except in compliance with the License. 194 | You may obtain a copy of the License at 195 | 196 | http://www.apache.org/licenses/LICENSE-2.0 197 | 198 | Unless required by applicable law or agreed to in writing, software 199 | distributed under the License is distributed on an "AS IS" BASIS, 200 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 201 | See the License for the specific language governing permissions and 202 | limitations under the License. 203 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | [![Build Status](https://travis-ci.org/pardom/redux-kotlin.svg?branch=master)](https://travis-ci.org/pardom/redux-kotlin) 2 | [![](https://jitpack.io/v/pardom/redux-kotlin.svg)](https://jitpack.io/#pardom/redux-kotlin) 3 | 4 | # Redux Kotlin 5 | 6 | Redux Kotlin is a predictable state container for Kotlin apps. It is a direct port of the original [Redux](https://github.com/reactjs/redux) library for JavaScript, which has excellent documentation at [http://redux.js.org/](http://redux.js.org/). 7 | 8 | ### The Gist 9 | 10 | (Adapted from: https://github.com/reactjs/redux/#the-gist) 11 | 12 | The whole state of your app is stored in an object tree inside a single *store*. 13 | The only way to change the state tree is to emit an *action*, an object describing what happened. 14 | To specify how the actions transform the state tree, you write pure *reducers*. 15 | 16 | That's it! 17 | 18 | ```kotlin 19 | /** 20 | * This is a reducer, a pure function with (state, action) -> state signature. 21 | * It describes how an action transforms the state into the next state. 22 | * 23 | * The shape of the state is up to you: it can be a primitive, an array, or even an object. 24 | * The only important part is that you should not mutate the state object, but return a 25 | * new object if the state changes. 26 | * 27 | * In this example, we use a `when` statement and strings, but you can use a helper that 28 | * follows a different convention if it makes sense for your project. In a real app, you 29 | * will likely also want to use action types rather than strings, e.g. sealed classes or 30 | * enum classes. 31 | */ 32 | val reducer = Reducer { state: Int, action: Any -> 33 | when (action) { 34 | "Inc" -> state + 1 35 | "Dec" -> state - 1 36 | else -> state 37 | } 38 | } 39 | 40 | // Create a Redux store holding the state of your app. 41 | val store = Store.create(reducer, 0) 42 | 43 | // You can use subscribe() to update the UI in response to state changes. 44 | // Normally you'd use a view binding library (e.g. redux-rxjava-kotlin and RxBinding) rather 45 | // than subscribe() directly. 46 | store.subscribe { 47 | println("${store.getState()}") 48 | } 49 | 50 | // The only way to mutate the internal state is to dispatch an action. 51 | // The actions can be serialized, logged or stored and later replayed. 52 | store.dispatch("Inc") 53 | // 1 54 | store.dispatch("Inc") 55 | // 2 56 | store.dispatch("Dec") 57 | // 1 58 | 59 | ``` 60 | 61 | ### Download 62 | 63 | ```groovy 64 | repositories { 65 | maven { url "https://jitpack.io" } 66 | } 67 | ``` 68 | 69 | ```groovy 70 | compile 'com.github.pardom:redux-kotlin:' 71 | ``` 72 | 73 | Snapshots of the development version are available the by using [`-SNAPSHOT`](https://jitpack.io/#pardom/redux-kotlin/-SNAPSHOT) as the version. 74 | 75 | ### Samples 76 | 77 | * [CleanNews](https://github.com/pardom/CleanNews) 78 | 79 | ### Middleware 80 | 81 | * [redux-logger-kotlin](https://github.com/pardom/redux-logger-kotlin) — Log every Redux action and the next state 82 | * [redux-observable-kotlin](https://github.com/pardom/redux-observable-kotlin) — RxJava middleware for action side effects using "Epics" 83 | * [redux-optimist-kotlin](https://github.com/pardom/redux-optimist-kotlin) — Reducer enhancer to enable optimistic updates 84 | * [redux-rxjava-kotlin](https://github.com/pardom/redux-rxjava-kotlin) — RxJava wrapper for store subscriptions 85 | * [redux-standard-action-kotlin](https://github.com/pardom/redux-standard-action-kotlin) — Flux Standard Action implementation 86 | 87 | ### License 88 | 89 | Copyright (C) 2016 Michael Pardo 90 | 91 | Licensed under the Apache License, Version 2.0 (the "License"); 92 | you may not use this file except in compliance with the License. 93 | You may obtain a copy of the License at 94 | 95 | http://www.apache.org/licenses/LICENSE-2.0 96 | 97 | Unless required by applicable law or agreed to in writing, software 98 | distributed under the License is distributed on an "AS IS" BASIS, 99 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 100 | See the License for the specific language governing permissions and 101 | limitations under the License. 102 | 103 | -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | group 'redux' 2 | version '1.2.0' 3 | 4 | buildscript { 5 | ext.kotlin_version = '1.0.5-3' 6 | 7 | repositories { 8 | mavenCentral() 9 | } 10 | dependencies { 11 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pardom-zz/redux-kotlin/b90a256e82605f3915c8be1a87ddb4da5f1aa8ae/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Thu Sep 22 16:56:22 EDT 2016 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-3.1-all.zip 7 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Attempt to set APP_HOME 10 | # Resolve links: $0 may be a link 11 | PRG="$0" 12 | # Need this for relative symlinks. 13 | while [ -h "$PRG" ] ; do 14 | ls=`ls -ld "$PRG"` 15 | link=`expr "$ls" : '.*-> \(.*\)$'` 16 | if expr "$link" : '/.*' > /dev/null; then 17 | PRG="$link" 18 | else 19 | PRG=`dirname "$PRG"`"/$link" 20 | fi 21 | done 22 | SAVED="`pwd`" 23 | cd "`dirname \"$PRG\"`/" >/dev/null 24 | APP_HOME="`pwd -P`" 25 | cd "$SAVED" >/dev/null 26 | 27 | APP_NAME="Gradle" 28 | APP_BASE_NAME=`basename "$0"` 29 | 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 31 | DEFAULT_JVM_OPTS="" 32 | 33 | # Use the maximum available, or set MAX_FD != -1 to use that value. 34 | MAX_FD="maximum" 35 | 36 | warn ( ) { 37 | echo "$*" 38 | } 39 | 40 | die ( ) { 41 | echo 42 | echo "$*" 43 | echo 44 | exit 1 45 | } 46 | 47 | # OS specific support (must be 'true' or 'false'). 48 | cygwin=false 49 | msys=false 50 | darwin=false 51 | nonstop=false 52 | case "`uname`" in 53 | CYGWIN* ) 54 | cygwin=true 55 | ;; 56 | Darwin* ) 57 | darwin=true 58 | ;; 59 | MINGW* ) 60 | msys=true 61 | ;; 62 | NONSTOP* ) 63 | nonstop=true 64 | ;; 65 | esac 66 | 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 68 | 69 | # Determine the Java command to use to start the JVM. 70 | if [ -n "$JAVA_HOME" ] ; then 71 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 72 | # IBM's JDK on AIX uses strange locations for the executables 73 | JAVACMD="$JAVA_HOME/jre/sh/java" 74 | else 75 | JAVACMD="$JAVA_HOME/bin/java" 76 | fi 77 | if [ ! -x "$JAVACMD" ] ; then 78 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 79 | 80 | Please set the JAVA_HOME variable in your environment to match the 81 | location of your Java installation." 82 | fi 83 | else 84 | JAVACMD="java" 85 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 86 | 87 | Please set the JAVA_HOME variable in your environment to match the 88 | location of your Java installation." 89 | fi 90 | 91 | # Increase the maximum file descriptors if we can. 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 93 | MAX_FD_LIMIT=`ulimit -H -n` 94 | if [ $? -eq 0 ] ; then 95 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 96 | MAX_FD="$MAX_FD_LIMIT" 97 | fi 98 | ulimit -n $MAX_FD 99 | if [ $? -ne 0 ] ; then 100 | warn "Could not set maximum file descriptor limit: $MAX_FD" 101 | fi 102 | else 103 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 104 | fi 105 | fi 106 | 107 | # For Darwin, add options to specify how the application appears in the dock 108 | if $darwin; then 109 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 110 | fi 111 | 112 | # For Cygwin, switch paths to Windows format before running java 113 | if $cygwin ; then 114 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 115 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 116 | JAVACMD=`cygpath --unix "$JAVACMD"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 158 | function splitJvmOpts() { 159 | JVM_OPTS=("$@") 160 | } 161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 163 | 164 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong 165 | if [[ "$(uname)" == "Darwin" ]] && [[ "$HOME" == "$PWD" ]]; then 166 | cd "$(dirname "$0")" 167 | fi 168 | 169 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 170 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | set DIRNAME=%~dp0 12 | if "%DIRNAME%" == "" set DIRNAME=. 13 | set APP_BASE_NAME=%~n0 14 | set APP_HOME=%DIRNAME% 15 | 16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 17 | set DEFAULT_JVM_OPTS= 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windows variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | 53 | :win9xME_args 54 | @rem Slurp the command line arguments. 55 | set CMD_LINE_ARGS= 56 | set _SKIP=2 57 | 58 | :win9xME_args_slurp 59 | if "x%~1" == "x" goto execute 60 | 61 | set CMD_LINE_ARGS=%* 62 | 63 | :execute 64 | @rem Setup the command line 65 | 66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 67 | 68 | @rem Execute Gradle 69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 70 | 71 | :end 72 | @rem End local scope for the variables with windows NT shell 73 | if "%ERRORLEVEL%"=="0" goto mainEnd 74 | 75 | :fail 76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 77 | rem the _cmd.exe /c_ return code! 78 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 79 | exit /b 1 80 | 81 | :mainEnd 82 | if "%OS%"=="Windows_NT" endlocal 83 | 84 | :omega 85 | -------------------------------------------------------------------------------- /lib/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'kotlin' 2 | 3 | repositories { 4 | jcenter() 5 | maven { url "https://jitpack.io" } 6 | } 7 | 8 | configurations { 9 | ktlint 10 | } 11 | 12 | dependencies { 13 | compile 'com.github.jvm-redux.jvm-redux-api:api:1.2.0' 14 | compile "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version" 15 | 16 | testCompile 'junit:junit:4.12' 17 | testCompile 'com.nhaarman:mockito-kotlin:1.0.1' 18 | testCompile 'org.jetbrains.spek:spek-api:1.1.0-beta2' 19 | testCompile 'org.jetbrains.spek:spek-junit-platform-engine:1.1.0-beta2' 20 | testCompile 'org.jetbrains.kotlin:kotlin-test:1.0.5-3' 21 | testCompile 'org.junit.platform:junit-platform-runner:1.0.0-M3' 22 | testCompile 'org.mockito:mockito-core:2.3.7' 23 | testCompile 'com.github.jvm-redux.jvm-redux-api:specs:1.2.0' 24 | 25 | ktlint 'com.github.shyiko:ktlint:0.2.2' 26 | } 27 | 28 | task ktlint(type: JavaExec) { 29 | main = "com.github.shyiko.ktlint.Main" 30 | classpath = configurations.ktlint 31 | args "src/**/*.kt" 32 | } 33 | 34 | task ktlintFormat(type: JavaExec) { 35 | main = "com.github.shyiko.ktlint.Main" 36 | classpath = configurations.ktlint 37 | args "-F", "src/**/*.kt" 38 | } 39 | 40 | task sourcesJar(type: Jar, dependsOn: classes) { 41 | classifier = 'sources' 42 | from sourceSets.main.allSource 43 | } 44 | 45 | task javadocJar(type: Jar, dependsOn: javadoc) { 46 | classifier = 'javadoc' 47 | from javadoc.destinationDir 48 | } 49 | 50 | artifacts { 51 | archives sourcesJar 52 | archives javadocJar 53 | } 54 | 55 | check.dependsOn ktlint 56 | -------------------------------------------------------------------------------- /lib/src/main/kotlin/redux/Middleware.kt: -------------------------------------------------------------------------------- 1 | package redux 2 | 3 | import redux.api.Dispatcher 4 | import redux.api.Reducer 5 | import redux.api.Store 6 | import redux.api.Store.Creator 7 | import redux.api.Store.Enhancer 8 | import redux.api.Store.Subscriber 9 | import redux.api.enhancer.Middleware 10 | 11 | /* 12 | * Copyright (C) 2016 Michael Pardo 13 | * 14 | * Licensed under the Apache License, Version 2.0 (the "License"); 15 | * you may not use this file except in compliance with the License. 16 | * You may obtain a copy of the License at 17 | * 18 | * http://www.apache.org/licenses/LICENSE-2.0 19 | * 20 | * Unless required by applicable law or agreed to in writing, software 21 | * distributed under the License is distributed on an "AS IS" BASIS, 22 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 23 | * See the License for the specific language governing permissions and 24 | * limitations under the License. 25 | */ 26 | 27 | fun applyMiddleware(vararg middlewares: Middleware): Enhancer { 28 | return Enhancer { next -> 29 | Creator { reducer, initialState -> 30 | object : Store { 31 | private val store = next.create(reducer, initialState) 32 | private val rootDispatcher = middlewares.foldRight(store as Dispatcher) { middleware, next -> 33 | Dispatcher { action -> 34 | middleware.dispatch(this, next, action) 35 | } 36 | } 37 | 38 | override fun dispatch(action: Any) = rootDispatcher.dispatch(action) 39 | 40 | override fun getState() = store.state 41 | 42 | override fun replaceReducer(reducer: Reducer) = store.replaceReducer(reducer) 43 | 44 | override fun subscribe(subscriber: Subscriber) = store.subscribe(subscriber) 45 | } 46 | } 47 | } 48 | } 49 | -------------------------------------------------------------------------------- /lib/src/main/kotlin/redux/Reducer.kt: -------------------------------------------------------------------------------- 1 | package redux 2 | 3 | import redux.api.Reducer 4 | 5 | /* 6 | * Copyright (C) 2016 Michael Pardo 7 | * 8 | * Licensed under the Apache License, Version 2.0 (the "License"); 9 | * you may not use this file except in compliance with the License. 10 | * You may obtain a copy of the License at 11 | * 12 | * http://www.apache.org/licenses/LICENSE-2.0 13 | * 14 | * Unless required by applicable law or agreed to in writing, software 15 | * distributed under the License is distributed on an "AS IS" BASIS, 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 | * See the License for the specific language governing permissions and 18 | * limitations under the License. 19 | */ 20 | 21 | /** 22 | * Combines multiple reducers into a single reducer. 23 | * 24 | * @see http://redux.js.org/docs/api/combineReducers.html 25 | * 26 | * @param[reducers] A list of reducers 27 | * @return The combined reducer 28 | */ 29 | fun combineReducers(vararg reducers: Reducer): Reducer { 30 | return Reducer { state, action -> 31 | reducers.fold(state) { state, reducer -> reducer.reduce(state, action) } 32 | } 33 | } 34 | 35 | -------------------------------------------------------------------------------- /lib/src/main/kotlin/redux/Store.kt: -------------------------------------------------------------------------------- 1 | package redux 2 | 3 | import redux.api.Reducer 4 | import redux.api.Store 5 | import redux.api.Store.Creator 6 | import redux.api.Store.Enhancer 7 | import redux.api.Store.Subscriber 8 | import redux.api.Store.Subscription 9 | 10 | /* 11 | * Copyright (C) 2016 Michael Pardo 12 | * 13 | * Licensed under the Apache License, Version 2.0 (the "License"); 14 | * you may not use this file except in compliance with the License. 15 | * You may obtain a copy of the License at 16 | * 17 | * http://www.apache.org/licenses/LICENSE-2.0 18 | * 19 | * Unless required by applicable law or agreed to in writing, software 20 | * distributed under the License is distributed on an "AS IS" BASIS, 21 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 22 | * See the License for the specific language governing permissions and 23 | * limitations under the License. 24 | */ 25 | 26 | /** 27 | * When a store is created, an "INIT" action is dispatched so that every reducer returns their initial state. 28 | * This effectively populates the initial state tree. 29 | */ 30 | val INIT = redux.api.Store.INIT!! 31 | 32 | /** 33 | * Creates a Redux store that holds the complete state tree of your component. There should only be a single 34 | * store per component. 35 | * 36 | * @see http://redux.js.org/docs/api/createStore.html 37 | * 38 | * @param[reducer] The [Reducer] which returns the next state tree, given the current state tree and an action to handle 39 | * @param[initialState] The initial state 40 | * @param[enhancer] The store [Enhancer] 41 | * @return An object that holds the complete state of your component. 42 | */ 43 | fun createStore( 44 | reducer: Reducer, 45 | initialState: S, 46 | enhancer: Enhancer = Enhancer { it }): Store { 47 | 48 | val creator = Creator { reducer, initialState -> 49 | object : Store { 50 | private var reducer = reducer 51 | private var state = initialState 52 | private var subscribers = mutableListOf() 53 | private var isDispatching = false 54 | 55 | override fun dispatch(action: Any): Any { 56 | if (isDispatching) { 57 | throw IllegalAccessError("Reducers may not dispatch actions.") 58 | } 59 | try { 60 | isDispatching = true 61 | state = this.reducer.reduce(state, action) 62 | } 63 | finally { 64 | isDispatching = false 65 | } 66 | 67 | subscribers 68 | .toList() 69 | .forEach { it.onStateChanged() } 70 | return action 71 | } 72 | 73 | override fun getState(): S { 74 | return state 75 | } 76 | 77 | override fun subscribe(subscriber: Subscriber): Subscription { 78 | subscribers.add(subscriber) 79 | return Subscription { 80 | subscribers.remove(subscriber) 81 | } 82 | } 83 | 84 | override fun replaceReducer(reducer: Reducer) { 85 | this.reducer = reducer 86 | dispatch(INIT) 87 | } 88 | } 89 | } 90 | val store = enhancer.enhance(creator).create(reducer, initialState) 91 | store.dispatch(INIT) 92 | return store 93 | } 94 | -------------------------------------------------------------------------------- /lib/src/test/kotlin/redux/MiddlewareTest.kt: -------------------------------------------------------------------------------- 1 | package redux 2 | 3 | import org.jetbrains.spek.api.Spek 4 | import org.jetbrains.spek.api.dsl.describe 5 | import org.jetbrains.spek.api.dsl.it 6 | import org.junit.platform.runner.JUnitPlatform 7 | import org.junit.runner.RunWith 8 | import redux.api.Dispatcher 9 | import redux.api.Store 10 | import redux.api.enhancer.Middleware 11 | import redux.helpers.Reducers 12 | import redux.helpers.Todos.Action.AddTodo 13 | import redux.helpers.Todos.State 14 | import redux.helpers.Todos.Todo 15 | import kotlin.test.assertEquals 16 | 17 | /* 18 | * Copyright (C) 2016 Michael Pardo 19 | * 20 | * Licensed under the Apache License, Version 2.0 (the "License"); 21 | * you may not use this file except in compliance with the License. 22 | * You may obtain a copy of the License at 23 | * 24 | * http://www.apache.org/licenses/LICENSE-2.0 25 | * 26 | * Unless required by applicable law or agreed to in writing, software 27 | * distributed under the License is distributed on an "AS IS" BASIS, 28 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 29 | * See the License for the specific language governing permissions and 30 | * limitations under the License. 31 | */ 32 | 33 | @RunWith(JUnitPlatform::class) 34 | class MiddlewareTest : Spek({ 35 | 36 | describe("Middleware") { 37 | 38 | describe("apply") { 39 | 40 | it("wraps dispatch method with middleware once") { 41 | 42 | var dispatches = 0 43 | val middleware = Middleware { store: Store, next: Dispatcher, action: Any -> 44 | val result = next.dispatch(action) 45 | dispatches++ 46 | action 47 | } 48 | 49 | val initialState = State(listOf(Todo(1, "Hello"))) 50 | val store = createStore(Reducers.TODOS, initialState, applyMiddleware(middleware)) 51 | 52 | assertEquals(1, dispatches) 53 | 54 | store.dispatch(AddTodo("World")) 55 | 56 | assertEquals(2, dispatches) 57 | 58 | } 59 | 60 | } 61 | 62 | } 63 | 64 | }) 65 | -------------------------------------------------------------------------------- /lib/src/test/kotlin/redux/StoreTest.kt: -------------------------------------------------------------------------------- 1 | package redux 2 | 3 | import org.jetbrains.spek.api.Spek 4 | import org.jetbrains.spek.api.dsl.describe 5 | import org.jetbrains.spek.api.dsl.it 6 | import org.mockito.Mockito.mock 7 | import org.mockito.Mockito.times 8 | import org.mockito.Mockito.verify 9 | import redux.api.Store.Subscriber 10 | import redux.helpers.ActionCreators.addTodo 11 | import redux.helpers.ActionCreators.unknownAction 12 | import redux.helpers.Reducers 13 | import redux.helpers.Todos 14 | import redux.helpers.Todos.State 15 | import redux.helpers.Todos.Todo 16 | import kotlin.test.expect 17 | 18 | /* 19 | * Copyright (C) 2016 Michael Pardo 20 | * 21 | * Licensed under the Apache License, Version 2.0 (the "License"); 22 | * you may not use this file except in compliance with the License. 23 | * You may obtain a copy of the License at 24 | * 25 | * http://www.apache.org/licenses/LICENSE-2.0 26 | * 27 | * Unless required by applicable law or agreed to in writing, software 28 | * distributed under the License is distributed on an "AS IS" BASIS, 29 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 30 | * See the License for the specific language governing permissions and 31 | * limitations under the License. 32 | */ 33 | 34 | class StoreTest : Spek({ 35 | 36 | describe("Store") { 37 | 38 | describe("create") { 39 | 40 | it("passes the initial action and the initial state") { 41 | val store = createStore(Reducers.TODOS, State( 42 | listOf( 43 | Todo(1, "Hello") 44 | ) 45 | )) 46 | expect(store.state) { 47 | Todos.State( 48 | listOf( 49 | Todo(1, "Hello") 50 | ) 51 | ) 52 | } 53 | } 54 | 55 | it("applies the reducer to the previous state") { 56 | val store = createStore(Reducers.TODOS, State()) 57 | expect(store.state) { Todos.State() } 58 | 59 | store.dispatch(unknownAction()) 60 | expect(store.state) { Todos.State() } 61 | 62 | store.dispatch(addTodo("Hello")) 63 | expect(store.state) { 64 | Todos.State( 65 | listOf( 66 | Todo(1, "Hello") 67 | ) 68 | ) 69 | } 70 | 71 | store.dispatch(addTodo("World")) 72 | expect(store.state) { 73 | Todos.State( 74 | listOf( 75 | Todo(1, "Hello"), 76 | Todo(2, "World") 77 | ) 78 | ) 79 | } 80 | } 81 | 82 | it("applies the reducer to the initial state") { 83 | val store = createStore(Reducers.TODOS, State( 84 | listOf( 85 | Todo(1, "Hello") 86 | ) 87 | )) 88 | expect(store.state) { 89 | Todos.State( 90 | listOf( 91 | Todo(1, "Hello") 92 | ) 93 | ) 94 | } 95 | 96 | store.dispatch(unknownAction()) 97 | expect(store.state) { 98 | Todos.State( 99 | listOf( 100 | Todo(1, "Hello") 101 | ) 102 | ) 103 | } 104 | 105 | store.dispatch(addTodo("World")) 106 | expect(store.state) { 107 | Todos.State( 108 | listOf( 109 | Todo(1, "Hello"), 110 | Todo(2, "World") 111 | ) 112 | ) 113 | } 114 | 115 | } 116 | 117 | it("preserves the state when replacing a reducer") { 118 | val store = createStore(Reducers.TODOS, State()) 119 | store.dispatch(addTodo("Hello")) 120 | store.dispatch(addTodo("World")) 121 | expect(store.state) { 122 | Todos.State( 123 | listOf( 124 | Todo(1, "Hello"), 125 | Todo(2, "World") 126 | ) 127 | ) 128 | } 129 | 130 | store.replaceReducer(Reducers.TODOS_REVERSE) 131 | expect(store.state) { 132 | Todos.State( 133 | listOf( 134 | Todo(1, "Hello"), 135 | Todo(2, "World") 136 | ) 137 | ) 138 | } 139 | 140 | store.dispatch(addTodo("Perhaps")) 141 | expect(store.state) { 142 | Todos.State( 143 | listOf( 144 | Todo(3, "Perhaps"), 145 | Todo(1, "Hello"), 146 | Todo(2, "World") 147 | ) 148 | ) 149 | } 150 | 151 | store.replaceReducer(Reducers.TODOS) 152 | expect(store.state) { 153 | Todos.State( 154 | listOf( 155 | Todo(3, "Perhaps"), 156 | Todo(1, "Hello"), 157 | Todo(2, "World") 158 | ) 159 | ) 160 | } 161 | 162 | store.dispatch(addTodo("Surely")) 163 | expect(store.state) { 164 | Todos.State( 165 | listOf( 166 | Todo(3, "Perhaps"), 167 | Todo(1, "Hello"), 168 | Todo(2, "World"), 169 | Todo(4, "Surely") 170 | ) 171 | ) 172 | } 173 | 174 | } 175 | 176 | it("supports multiple subscriptions") { 177 | val store = createStore(Reducers.TODOS, State()) 178 | val subscriberA = mock(Subscriber::class.java) 179 | val subscriberB = mock(Subscriber::class.java) 180 | 181 | val subscriptionA = store.subscribe(subscriberA) 182 | store.dispatch(unknownAction()) 183 | verify(subscriberA, times(1)).onStateChanged() 184 | verify(subscriberB, times(0)).onStateChanged() 185 | 186 | store.dispatch(unknownAction()) 187 | verify(subscriberA, times(2)).onStateChanged() 188 | verify(subscriberB, times(0)).onStateChanged() 189 | 190 | val subscriptionB = store.subscribe(subscriberB) 191 | store.dispatch(unknownAction()) 192 | verify(subscriberA, times(3)).onStateChanged() 193 | verify(subscriberB, times(1)).onStateChanged() 194 | 195 | subscriptionA.unsubscribe() 196 | verify(subscriberA, times(3)).onStateChanged() 197 | verify(subscriberB, times(1)).onStateChanged() 198 | 199 | store.dispatch(unknownAction()) 200 | verify(subscriberA, times(3)).onStateChanged() 201 | verify(subscriberB, times(2)).onStateChanged() 202 | 203 | subscriptionB.unsubscribe() 204 | verify(subscriberA, times(3)).onStateChanged() 205 | verify(subscriberB, times(2)).onStateChanged() 206 | 207 | store.dispatch(unknownAction()) 208 | verify(subscriberA, times(3)).onStateChanged() 209 | verify(subscriberB, times(2)).onStateChanged() 210 | 211 | val subscriptionA2 = store.subscribe(subscriberA) 212 | verify(subscriberA, times(3)).onStateChanged() 213 | verify(subscriberB, times(2)).onStateChanged() 214 | 215 | store.dispatch(unknownAction()) 216 | verify(subscriberA, times(4)).onStateChanged() 217 | verify(subscriberB, times(2)).onStateChanged() 218 | } 219 | 220 | it("supports higher order function subscriptions") { 221 | val store = createStore(Reducers.TODOS, State()) 222 | var onStateChangedCalled = false 223 | 224 | store.dispatch(unknownAction()) 225 | assert(!onStateChangedCalled) 226 | 227 | val subscription = store.subscribe { 228 | onStateChangedCalled = true 229 | } 230 | 231 | store.dispatch(unknownAction()) 232 | assert(onStateChangedCalled) 233 | } 234 | 235 | it("only removes listener once when unsubscribe is called") { 236 | val store = createStore(Reducers.TODOS, State()) 237 | val subscriberA = mock(Subscriber::class.java) 238 | val subscriberB = mock(Subscriber::class.java) 239 | 240 | val subscriptionA = store.subscribe(subscriberA) 241 | store.subscribe(subscriberB) 242 | 243 | subscriptionA.unsubscribe() 244 | subscriptionA.unsubscribe() 245 | 246 | store.dispatch(unknownAction()) 247 | verify(subscriberA, times(0)).onStateChanged() 248 | verify(subscriberB, times(1)).onStateChanged() 249 | } 250 | 251 | } 252 | 253 | } 254 | 255 | }) 256 | -------------------------------------------------------------------------------- /lib/src/test/kotlin/redux/api/VanillaStoreSpecsTest.kt: -------------------------------------------------------------------------------- 1 | package redux.api 2 | 3 | class VanillaStoreSpecsTest : StoreTest() { 4 | 5 | override fun createStore(reducer: Reducer, state: S): Store { 6 | return redux.createStore(reducer, state, Store.Enhancer { it }) 7 | } 8 | 9 | } 10 | -------------------------------------------------------------------------------- /lib/src/test/kotlin/redux/helpers/ActionCreators.kt: -------------------------------------------------------------------------------- 1 | package redux.helpers 2 | 3 | import redux.helpers.Todos.Action 4 | 5 | /* 6 | * Copyright (C) 2016 Michael Pardo 7 | * 8 | * Licensed under the Apache License, Version 2.0 (the "License"); 9 | * you may not use this file except in compliance with the License. 10 | * You may obtain a copy of the License at 11 | * 12 | * http://www.apache.org/licenses/LICENSE-2.0 13 | * 14 | * Unless required by applicable law or agreed to in writing, software 15 | * distributed under the License is distributed on an "AS IS" BASIS, 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 | * See the License for the specific language governing permissions and 18 | * limitations under the License. 19 | */ 20 | 21 | object ActionCreators { 22 | 23 | fun unknownAction() = Todos.Action.Unknown() 24 | 25 | fun addTodo(name: String) = Action.AddTodo(name) 26 | 27 | fun addTodoAsync(name: String) = Action.AddTodoAsync(name) 28 | 29 | } 30 | -------------------------------------------------------------------------------- /lib/src/test/kotlin/redux/helpers/Reducers.kt: -------------------------------------------------------------------------------- 1 | package redux.helpers 2 | 3 | import redux.api.Reducer 4 | import redux.helpers.Todos.Action 5 | import redux.helpers.Todos.Action.AddTodo 6 | import redux.helpers.Todos.State 7 | import redux.helpers.Todos.Todo 8 | 9 | /* 10 | * Copyright (C) 2016 Michael Pardo 11 | * 12 | * Licensed under the Apache License, Version 2.0 (the "License"); 13 | * you may not use this file except in compliance with the License. 14 | * You may obtain a copy of the License at 15 | * 16 | * http://www.apache.org/licenses/LICENSE-2.0 17 | * 18 | * Unless required by applicable law or agreed to in writing, software 19 | * distributed under the License is distributed on an "AS IS" BASIS, 20 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 21 | * See the License for the specific language governing permissions and 22 | * limitations under the License. 23 | */ 24 | 25 | object Reducers { 26 | 27 | fun id(state: State): Int { 28 | return state.todos.fold(0) { result, item -> 29 | if (item.id > result) item.id else result 30 | } + 1 31 | } 32 | 33 | val TODOS = Reducer { state: State, action: Any -> 34 | when (action) { 35 | is AddTodo -> state.copy(todos = state.todos + Todo(id(state), action.todo)) 36 | else -> state 37 | } 38 | } 39 | 40 | val TODOS_REVERSE = Reducer { state: State, action: Any -> 41 | when (action) { 42 | is Action.AddTodo -> state.copy(todos = listOf(Todo(id(state), action.todo)) + state.todos) 43 | else -> state 44 | } 45 | } 46 | 47 | } 48 | -------------------------------------------------------------------------------- /lib/src/test/kotlin/redux/helpers/Todos.kt: -------------------------------------------------------------------------------- 1 | package redux.helpers 2 | 3 | /* 4 | * Copyright (C) 2016 Michael Pardo 5 | * 6 | * Licensed under the Apache License, Version 2.0 (the "License"); 7 | * you may not use this file except in compliance with the License. 8 | * You may obtain a copy of the License at 9 | * 10 | * http://www.apache.org/licenses/LICENSE-2.0 11 | * 12 | * Unless required by applicable law or agreed to in writing, software 13 | * distributed under the License is distributed on an "AS IS" BASIS, 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | * See the License for the specific language governing permissions and 16 | * limitations under the License. 17 | */ 18 | 19 | object Todos { 20 | 21 | data class Todo(val id: Int, val name: String) 22 | 23 | data class State(val todos: List = emptyList()) 24 | 25 | sealed class Action { 26 | class AddTodo(val todo: String) : Action() 27 | class AddTodoAsync(val todo: String) : Action() 28 | class Unknown() : Action() 29 | } 30 | 31 | } 32 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':lib' 2 | --------------------------------------------------------------------------------