Initial commit 🎉

Author: Kye Hohenberger

.gitignore

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+/coverage
+/demo/dist
+/dist
+/lib
+/node_modules
+/umd
+npm-debug.log
+.idea

.travis.yml

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+sudo: false
+
+language: node_js
+node_js:
+  - 4
+
+cache:
+  directories:
+    - node_modules
+
+before_install:
+  - npm install codecov.io coveralls
+
+after_success:
+  - cat ./coverage/lcov.info | ./node_modules/codecov.io/bin/codecov.io.js
+  - cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js
+
+branches:
+  only:
+    - master

CONTRIBUTING.md

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+## Prerequisites
+
+[Node.js](http://nodejs.org/) must be installed.
+
+## Installation
+
+* Running `npm install` in the module's root directory will install everything you need for development.
+
+## Running Tests
+
+* `npm test` will run the tests once.
+
+## Building
+
+* `npm run build` will build the module for publishing to npm.
+* `npm run clean` will delete built resources.

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2016 Kye Hohenberger
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# smitty
+
+[![npm version](https://badge.fury.io/js/smitty.svg)](https://badge.fury.io/js/smitty)
+
+Tiny flux implementation built on [mitt](https://git.io/mitt)

package.json

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+{
+  "name": "smitty",
+  "amdName": "smitty",
+  "version": "0.0.1",
+  "description": "200b flux implementation built on mitt",
+  "main": "dist/smitty.js",
+  "umd:main": "dist/smitty.min.js",
+  "jsnext:main": "src/index.js",
+  "files": [
+    "src",
+    "test",
+    "dist"
+  ],
+  "scripts": {
+    "test": "standard src test && mocha --compilers js:babel-register test/**/*.js",
+    "build": "npm-run-all clean -p rollup:* -p minify:* -s size",
+    "clean": "rimraf dist && mkdirp dist",
+    "rollup:cjs": "rollup -c rollup.config.js -m -f cjs -n $npm_package_amdName $npm_package_jsnext_main -o $npm_package_main",
+    "rollup:umd": "rollup -c rollup.config.js -m -f umd -n $npm_package_amdName $npm_package_jsnext_main -o $npm_package_umd_main",
+    "minify:cjs": "uglifyjs $npm_package_main -cm toplevel -o $npm_package_main -p relative --in-source-map ${npm_package_main}.map --source-map ${npm_package_main}.map",
+    "minify:umd": "uglifyjs $npm_package_umd_main -cm -o $npm_package_umd_main -p relative --in-source-map ${npm_package_umd_main}.map --source-map ${npm_package_umd_main}.map",
+    "size": "echo \"Gzipped Size: $(strip-json-comments --no-whitespace $npm_package_main | gzip-size | pretty-bytes)\"",
+    "release": "npm run build -s && git commit -am $npm_package_version && git tag $npm_package_version && git push && git push --tags && npm publish"
+  },
+  "peerDependencies": {
+    "mitt": "^1.0.0"
+  },
+  "devDependencies": {
+    "babel-core": "^6.9.1",
+    "babel-eslint": "^7.1.1",
+    "babel-preset-es2015": "^6.9.0",
+    "babel-preset-stage-0": "^6.5.0",
+    "babel-register": "^6.9.0",
+    "expect": "^1.20.2",
+    "gzip-size-cli": "^1.0.0",
+    "jsdom": "^9.8.3",
+    "mocha": "^3.1.2",
+    "npm-run-all": "^4.0.1",
+    "preact": "*",
+    "pretty-bytes-cli": "^2.0.0",
+    "rollup": "^0.41.4",
+    "rollup-plugin-buble": "^0.15.0",
+    "standard": "^8.5.0",
+    "strip-json-comments-cli": "^1.0.1",
+    "uglify-js": "^2.7.4",
+    "undom": "latest"
+  },
+  "author": "Kye Hohenberger",
+  "homepage": "",
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": ""
+  },
+  "keywords": [],
+  "babel": {
+    "presets": [
+      "es2015",
+      "stage-0"
+    ]
+  },
+  "standard": {
+    "ignore": [
+      "/dist/"
+    ]
+  },
+  "directories": {
+    "test": "test"
+  },
+  "dependencies": {
+    "mitt": "^1.0.0",
+    "npm-run-all": "^4.0.1"
+  }
+}

rollup.config.js

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+import buble from 'rollup-plugin-buble'
+
+export default { useStrict: false, plugins: [buble()] }

src/index.js

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+import mitt from 'mitt'
+
+export default function createStore (initialState) {
+  let state = initialState
+  let events = mitt()
+
+  return {
+    emit: events.emit,
+    addReducer (reducer) {
+      Object.keys(reducer).forEach((type) => {
+        events.on(type, (e) => {
+          this.state = reducer[type](this.state, e)
+        })
+      })
+    },
+    get state () {
+      return state
+    },
+    set state (nextState) {
+      state = nextState
+    }
+  }
+}

test/index.js

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+/* eslint-env mocha */
+import expect from 'expect'
+import createStore from '../src/index'
+
+describe('smitty', () => {
+  it('store is created', () => {
+    expect(createStore({})).toExist()
+  })
+
+  it('store has a state', () => {
+    expect(createStore({ foo: 5 }).state).toEqual({ foo: 5 })
+  })
+
+  it('reducer is called with prev state and event data', (done) => {
+    const store = createStore({ foo: 5 })
+    store.addReducer({
+      'foo/ADD': (state, e) => {
+        expect(state.foo).toBe(5)
+        expect(e).toEqual({ foo: 'bar' })
+        done()
+      }
+    })
+
+    store.emit('foo/ADD', { foo: 'bar' })
+  })
+
+  it('reducers are called in order with updated state', (done) => {
+    const store = createStore({ foo: 5 })
+    store.addReducer({
+      'foo/ADD': (state, e) => {
+        expect(state.foo).toBe(5)
+        expect(e).toEqual({ foo: 'bar' })
+        return { foo: state.foo + 1 }
+      }
+    })
+
+    store.addReducer({
+      'foo/ADD': (state, e) => {
+        expect(state.foo).toBe(6)
+        expect(e).toEqual({ foo: 'bar' })
+        done()
+      }
+    })
+
+    store.emit('foo/ADD', { foo: 'bar' })
+  })
+})