Created
March 10, 2017 16:04
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Simple Javascript class system with inheritance and property/method visibility (public/private)
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"use strict"; | |
const module = function( f ) { | |
let pub = {}; | |
f( pub ); | |
return pub; | |
}; | |
const Class = { | |
create: function( data ) { | |
let currentObject = Object.create( this ); | |
currentObject = Object.assign( currentObject, data ); | |
return currentObject; | |
}, | |
extend: function( data ) { | |
return Object.assign( this.create( this ), data ); | |
} | |
}; | |
const Component = Class.create( module( pub => { | |
pub.data = {}; | |
pub.load = function( data ) { | |
this.data = data; | |
}; | |
} ) ); | |
const SingleValueComponent = Component.extend( module( pub => { | |
pub.value = ''; | |
pub.field = ''; | |
pub.create = function( field ) { | |
this.field = field; | |
return Component.create.call( this ); | |
}; | |
pub.load = function( data ) { | |
Component.load.call( this, data ); | |
this.value = this.data[ this.field ]; | |
}; | |
} ) ); | |
const StringEdit = SingleValueComponent.extend( module( pub => { | |
pub.type = 'StringEdit'; | |
pub.build = function() { | |
console.log( this.type + ' - ' + this.value ); | |
}; | |
} ) ); | |
const StringView = SingleValueComponent.extend( module( pub => { | |
pub.type = 'StringView'; | |
pub.build = function() { | |
console.log( this.type + ' - ' + this.value ); | |
}; | |
} ) ); | |
const BetterStringView = StringView.extend( module( pub => { | |
pub.type = 'BetterStringView'; | |
pub.build = function() { | |
StringView.build.call( this ); | |
}; | |
} ) ); | |
// Implementations | |
let data = { | |
title: 'Over ons', | |
slug: 'over-ons', | |
description: 'Dit is de over ons pagina' | |
}; | |
let string = StringEdit.create( 'title' ); | |
string.load( data ); | |
let slug = StringView.create( 'slug' ); | |
slug.load( data ); | |
let description = BetterStringView.create( 'description' ); | |
description.load( data ); | |
string.build(); | |
slug.build(); | |
description.build(); |
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