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react-event-emitter-mixin [![Build Status](https://travis-ci.org/mc-zone/react-event-emitter-mixin.svg?branch=master)](https://travis-ci.org/mc-zone/react-event-emitter-mixin/) [![npm version](https://badge.fury.io/js/react-event-emitter-mixin.svg)](http://badge.fury.io/js/react-event-emitter-mixin)\n\nCustom event utilities with lifecycle maintenance for React (Both React and React Native)\n\n\n## Getting Started\nInstall via npm\n```bash\nnpm i react-event-emitter-mixin --save\n```\n\n## Useage\nCommunicate between components under event emitter.\n```javascript\nvar EventEmitterMixin = require('react-event-emitter-mixin');\n\nvar Child = React.createClass({\n    mixins:[EventEmitterMixin],\n    render(){\n        return (\n            \u003cView\u003e\n                \u003cTouchableOpacity\n                    onPress={()=\u003e{\n                        this.eventEmitter('emit','eventA','foo','bar');\n                    }}\n                \u003e\n                    \u003cText\u003epress to emit event\u003c/Text\u003e\n                \u003c/TouchableOpacity\u003e\n            \u003c/View\u003e\n        );\n    }\n});\nvar Parent = React.createClass({\n    mixins:[EventEmitterMixin],\n    componentWillMount(){\n        this.eventEmitter('on','eventA',(a,b)=\u003e{\n            alert(a); //'foo'\n            alert(b); //'bar'\n        });\n    },\n    render(){\n        return (\n            \u003cView style={{paddingTop:100}}\u003e\n                \u003cChild /\u003e\n            \u003c/View\u003e\n        );\n    }\n});\n\n```\nSame usage when you are using ReactJs on Web.\n\n\n## Lifecycle maintenance\nAuto clean listeners when components be unmounted.\n```javascript\nvar Child = React.createClass({\n    mixins:[EventEmitterMixin],\n    componentWillMount(){\n        this.eventEmitter('on','eventB',()=\u003e{\n            alert('Will not show if `Child` was unmounted or not mounted')\n        });\n        this.eventEmitter('one','eventB',()=\u003e{\n            alert('Once time per lifecycle')\n        });\n    },\n    render(){\n        //...\n    }\n});\nvar Parent = React.createClass({\n    mixins:[EventEmitterMixin],\n    name:'parent',\n    getInitialState(){\n        return {\n            mountChild:true,\n        }\n    },\n    render(){\n        return (\n            \u003cView style={{paddingTop:100}}\u003e\n                {this.state.mountChild \u0026\u0026 (\n                    \u003cChild /\u003e\n                )}\n                \u003cTouchableOpacity\n                    onPress={()=\u003e{\n                        this.setState({mountChild:!this.state.mountChild})\n                    }}\n                \u003e\n                    \u003cText\u003emount/unmount child\u003c/Text\u003e\n                \u003c/TouchableOpacity\u003e\n                \u003cTouchableOpacity\n                    onPress={()=\u003e{\n                        this.eventEmitter('emit','eventB');\n                    }}\n                \u003e\n                    \u003cText\u003epress to emit event\u003c/Text\u003e\n                \u003c/TouchableOpacity\u003e\n            \u003c/View\u003e\n        );\n    }\n});\n\n```\n\n\n## API\n```javascript\n//Add event listener\nthis.eventEmitter('on', eventName:string, callback:function);\n\n//Add once-only (per lifecycle) event listener\nthis.eventEmitter('one', eventName:string, callback:function);\n\n//Remove event listeners which come from current component (or remove all)\nthis.eventEmitter('off', eventName:string, callback:function [,shouldRemoveAll:Boolean] );\n\n//Emit event \nthis.eventEmitter('emit', eventName:string [,data1 [,data2,...] ] );\n```\n\n## LICENSE\nMIT.\n\n\n## Welcome PR :)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmc-zone%2Freact-event-emitter-mixin","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmc-zone%2Freact-event-emitter-mixin","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmc-zone%2Freact-event-emitter-mixin/lists"}