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alt=\"Alexandrovich Stroganoff\" title=\"totally random picture of Alexandrovich Stroganoff, age 15\" src=\"https://raw.githubusercontent.com/konsumer/emitonoff/master/dist/stroganoff.png\" align=\"right\" valign=\"middle\" /\u003e\n\n[![npm version](https://badge.fury.io/js/emitonoff.svg)](http://badge.fury.io/js/emitonoff)\n[![Build Status](https://travis-ci.org/konsumer/emitonoff.svg?branch=master)](https://travis-ci.org/konsumer/emitonoff)\n[![Code Climate](https://codeclimate.com/github/konsumer/emitonoff/badges/gpa.svg)](https://codeclimate.com/github/konsumer/emitonoff)\n\nThis is a simple, extremely lightweight, zero-dependency event/pubsub system for node or the browser.\n\nIt's pronounced like [\"stroganoff\"](http://dictionary.cambridge.org/us/pronunciation/british/stroganoff), but \"emit\" instead of \"stroge\".\n\nIt gives your objects these really basic functions:\n\n- `emit` - publish an event\n- `on` - subscribe to an event\n- `off` - unsubscribe an event\n\nAlso available:\n\n- `pause` - queue incoming `emit()` while you are waiting for something (sometimes needed for testing)\n- `resume` - run all the paused queue and process `emit()` normally, again\n\n## install\n\n[![Greenkeeper badge](https://badges.greenkeeper.io/konsumer/emitonoff.svg)](https://greenkeeper.io/)\n\n### nodejs/webpack/browserify\n\n```\nnpm install --save emitonoff\n```\n\nthen, in your code:\n\n```javascript\nvar emitonoff = require('emitonoff');\n```\n\n### plain browser global\n\nYou can use a CDN:\n\n```html\n\u003cscript src=\"https://rawgit.com/konsumer/emitonoff/master/dist/emitonoff.min.js\"\u003e\u003c/script\u003e\n```\n\nor alternately use one of the files in `dist/`, locally.\n\n## usage details\n\n```javascript\nvar kitty = {\n    purr: function(){\n        this.emit('purr');\n    },\n    \n    eat: function(food){\n        this.emit('ate', food);\n    } \n};\n\nemitonoff(kitty);\n\nfunction showAte(food){\n    console.log('The kitty was hungry, so it ate', food);\n}\n\nfunction showPurred(){\n    console.log('the kitty purred.')\n}\n\nkitty.on('ate', showAte);\nkitty.on('purr', showPurred);\n\nkitty.eat('kibble');\nkitty.eat('mouse');\nkitty.off('ate', showAte);\nkitty.eat('tail');\nkitty.purr();\n```\n\nYou can also use it without an object, like this:\n\n```javascript\nvar kitty = emitonoff();\n\nfunction showAte(food){\n    console.log('The kitty was hungry, so it ate', food);\n}\n\nfunction showPurred(){\n    console.log('the kitty purred.')\n}\n\nkitty.on('ate', showAte);\nkitty.on('purr', showPurred);\n\nkitty.emit('ate', 'kibbles');\nkitty.emit('ate', 'bits');\nkitty.emit('purr');\n```\n\n### react\n\nYou can also use it with react (as a simpler alternative to flux, redux, thunk, etc.)\n\nHere is an example:\n\n```js\nimport React from 'react'\nimport ReactDOM from 'react-dom'\nimport emitonoff from 'emitonoff'\n\nimport EmitOnOff from 'emitonoff/EmitOnOff'\n\n// this could also be exported from a seperate file for sharing with other code\nconst state = emitonoff({counter:0})\n\nconst App = (props) =\u003e (\n  \u003cdiv className='App'\u003eAPP {state.counter}\u003c/div\u003e\n)\n\nReactDOM.render(\u003cEmitOnOff state={state}\u003e\u003cApp /\u003e\u003c/EmitOnOff\u003e, document.getElementById('root'))\n\n// async re-renders\nsetInterval(() =\u003e {\n  state.counter++\n  state.emit('render')\n}, 1000)\n```\n\nYou can also make lots of little bound components, with different triggers and differnt stores!\n\n```js\nimport React from 'react'\nimport ReactDOM from 'react-dom'\nimport emitonoff from 'emitonoff'\n\nimport EmitOnOff from 'emitonoff/EmitOnOff'\n\n// this could also be exported from a seperate file for sharing with other code\nconst state = {\n  counter: emitonoff({counter: 0}),\n  random: emitonoff({value: 0})\n}\n\nconst App = (props) =\u003e (\n  \u003cdiv className='App'\u003e\n    APP\n    \u003cEmitOnOff state={state.counter} trigger='update'\u003e\n      counter: {state.counter.counter}\n    \u003c/EmitOnOff\u003e\n    \u003cEmitOnOff state={state.random} trigger='new'\u003e\n      random: {state.random.value}\n    \u003c/EmitOnOff\u003e\n  \u003c/div\u003e\n)\n\nReactDOM.render(\u003cApp /\u003e, document.getElementById('root'))\n\n// async re-renders\nsetInterval(() =\u003e {\n  state.counter.counter++\n  state.random.value = Math.random()\n  state.counter.emit('update')\n  state.random.emit('new')\n}, 1000)\n```\n\nNote: using the standard `render` event trigger everywhere, and a single store, in general, will probably simplify things but do what you like!\n\n## browser support\n\nI haven't done too much browser-testing, but it should work on any browser that can `Array.slice` (all of them in the last 15 years.) If you need it to work on a particular old browser, file a bug and I will add support (or tell you t find a `Array.slice` polyfill.)\n\nIt works in IE5.5.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fkonsumer%2Femitonoff","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fkonsumer%2Femitonoff","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fkonsumer%2Femitonoff/lists"}