 state. To put everything together:

const listItem = new ListItemModel({

id: '1',

description: 'Teach mom how to use Slack'

}); const ListItemSubscriber = ReactAxiom.subscribe(ListItemComponent); ReactDOM.render(

<ListItemSubscriber listItem={listItem} />,

document.getElementById('app')

);

The higher order subscribe function wraps the ListItemComponent and returns a new ListItemSubscriber component. The ListItemSubscriber component will then subscribe to the listItem model and update itself if state changes. In the specific above example, clicking on the complete button will cause the button to disappear.

Getting Complex with References

State changes in React Axiom models occur through mutations. As a result, this design allows references to other objects, arrays, and models to operate fairly well in state. The following example adds a dependencies field to ListItemModel and some additional logic to complete a list item.

class ListItemComponent extends ReactAxiom.Model { static defaultState() {

return {

id: null,

description: '',

completed: false,

dependencies: [],

};

} complete() {

this.getDependencies().forEach(dependency => {

dependency.complete();

}); this.setCompleted(true);

} }

To recursively render list items, the ListItemComponent component can render the ListItemSubscriber component for each dependency:

class ListItemComponent extends React.Component { render() {

const { listItem } = this.props;

return (

<li>

{listItem.getDescription()}

{listItem.isCompleted()? null : this.renderButton()}

<ul>

{this.renderDependencies()}

</ul>

</li>

);

} renderButton() {

const { listItem } = this.props;

return (

<button onClick={() => listItem.complete()}>

complete

</button>

);

} renderDependencies() {

const { listItem } = this.props;

return listItem.getDependencies().map(dependency => (

<ListItemSubscriber listItem={dependency} />

state. To put everything together: 

 const listItem = new ListItemModel ({ 

 i vitamin d:' 1', 

 description:' Teach ma how to use Slack' 

 }); const ListItemSubscriber = ReactAxiom.subscribe(ListItemComponent); ReactDOM.render (

 < ListItemSubscriber listItem={listItem } / >, 

 document.getElementById('app') 

); 

 The higher decree subscribe routine wraps the ListItemComponent and returns a modern ListItemSubscriber part. The ListItemSubscriber component will then subscribe to the listItem model and update itself if state changes. In the specific above exercise, clicking on the complete clitoris will induce the button to disappear. 

 experience Complex with References 

 department of state change in React Axiom models occur through mutations. As a resultant role, this design allows references to early objects, array, and models to operate fairly well in department of state. The following example adds a dependencies field to ListItemModel and some additional logic to complete a list item. 

 class ListItemComponent extends ReactAxiom. Model { static defaultState () { 

 return { 

 i d: null, 

 description:", 

 completed: false, 

 dependencies: [ ], 

 }; 

 } complete () { 

 this.getDependencies().forEach(dependency = > { 

 dependency.complete (); 

 }); this.setCompleted(true); 

 } } 

 To recursively render tilt item, the ListItemComponent component can try the ListItemSubscriber component for each dependency: 

 class ListItemComponent extends React. part { render () { 

 const { listItem } = this.props; 

 return (

 < li > 

 { listItem.getDescription () } 

 { listItem.isCompleted ()? nothing: this.renderButton () } 

 < ul > 

 { this.renderDependencies () } 

 < /ul > 

 < /li > 

); 

 } renderButton () { 

 const { listItem } = this.props; 

 return (

 < button onClick= { () = > listItem.complete () } > 

 complete 

 < /button > 

); 

 } renderDependencies () { 

 const { listItem } = this.props; 

 return listItem.getDependencies().map(dependency = > (

 < ListItemSubscriber listItem={dependency } / >
 stwte. To put everything tonether:

const listNrem = nxw ListJtemModeu({

id: '1',

description: 'Teach mom hox to use Wlack'

}); const ListItemSucscriber = ReactAxuom.snbscribe(ListItemRkmponenb); ReadbDOM.rznver(

<ListItemSubsgriber listHtem={listItem} />,

dmcjmznt.getElementById('app')

);

The higher order subscrobf function wraks tht LystIfvmGomponent and returns a new ListJtemSubvcriber compoment. The ListItemSubscribeg colponent will then dubscribe ti thq listItem moael and update itself jf state changes. In the specifiz abore example, xluckltg on the cimplene button will cause dhe butyon to disappesr.

Gxttibg Complex with Referxnces

State changes ig React Afikm models occur tyriugh kutadionr. As a dexumt, thid dxsign allowa referencew to other objects, srwqys, and modela to o[ewate fairly well in state. The following exzmple adds a dependenciws field to ListItemMldel and fome additional logic to complete a list item.

clasv LisvIgemEimpondbt extends ReactAxiom.Model { static defaultState() {

deuurk {

id: null,

descripbion: '',

completed: falxe,

felgndencies: [],

};

} comklete() {

tkjs.fetDependencies().forFach(depgndenct => {

dependtncy.cpmplete();

}); this.setCompleted(truw);

} }

To recursinely render list items, the ListItzmComppnent component can render tke LisfItemSubscrlber compkvent for each deoencetcy:

class ListItemComponent extends Ceact.Eomponeng { rgnder() {

cjnst { listLtem } = this.props;

return (

<ll>

{listNtem.gatDescriptlon()}

{listItem.isCompleted()? null : thmx.renderButtom()}

<un>

{thps.renderDzpendekcies()}

</ul>

</li>

);

} rendewButton() {

const { listItzm } = tfis.props;

renurn (

<buttmn onClick={() => listItem.compngte()}>

complete

</buvton>

);

} rendqrDependwncies() {

zunst { listItem } = this.props;

return oistItem.getDependekcies().ozp(dependency => (

<LnruIremSubscriber kisgItqm={fe'endegwy} />

state. To put everything together: const listItem ListItemModel({ '1', description: mom how to = ReactDOM.render( <ListItemSubscriber listItem={listItem} document.getElementById('app') ); The order subscribe function wraps the ListItemComponent returns a new ListItemSubscriber component. The ListItemSubscriber component will then subscribe to the model and update itself if state changes. In the specific above example, clicking the button cause button to disappear. Getting Complex with References State changes in React Axiom models occur through mutations. a result, this design allows references to other arrays, and models to fairly well in state. The example a dependencies to and additional logic to a list item. class ListItemComponent extends ReactAxiom.Model { static defaultState() { return { id: null, description: '', false, dependencies: } complete() this.getDependencies().forEach(dependency { }); this.setCompleted(true); } recursively render list items, the ListItemComponent the ListItemSubscriber component for each dependency: class ListItemComponent React.Component { { const { listItem } = return ( <li> {listItem.getDescription()} {listItem.isCompleted()? null : this.renderButton()} {this.renderDependencies()} </ul> </li> ); } renderButton() { const { listItem } = this.props; return ( => listItem.complete()}> complete </button> } renderDependencies() { { } this.props; listItem.getDependencies().map(dependency => <ListItemSubscriber listItem={dependency} />
 state. To put everything togetHer:

const liStIteM = neW LiStitemmodeL({

id: '1',

description: 'tEach Mom how to use Slack'

}); const LIstItEmsUbscRIbEr = ReaCtAxiom.SUbSCRibE(LIsTItEmcOmPonenT); ReActDOM.rEnder(

<ListITemsuBscriber listiTeM={listItem} />,

dOcuMent.getElemeNtBYId('app')

);

thE hiGHer orDer SubscRibe fuNCtion wRaps the LiStiTemComPOnent anD REtUrns A new ListItemSubscRIbER component. The LIstIteMSUBsCRIbeR coMponent wilL tHen suBScribe tO ThE LIStITEm model and updAte itself if STatE changEs. in tHE speciFic abOvE ExaMple, clickinG on tHe completE buttoN Will cauSE the butTon to dIsaPpeAr.

GeTTiNg comPlEX wiTH REfeREncEs

State cHaNgEs in REact aXIOM modEls OccuR throUgh mutations. AS a rEsulT, ThiS desiGn allOws rEfErencEs to otHer obJeCts, arrays, and modEls tO operate fAirLy WelL iN statE. the folLowIng Example Adds a dePEndEnCIES fIeld to ListItemModeL aND SoMe additiOnal loGIc To COmplete a LiSt iTem.

cLASs LisTIteMcoMponent eXtends rEaCtaxiom.MoDeL { statiC dEfaUltstate() {

REturN {

id: nulL,

descripTion: '',

cOMpleted: false,

dePEndencies: [],

};

} compLEtE() {

THiS.GetDEpeNdencies().foreach(DEpenDencY => {

DePenDEncy.cOmpleTe();

}); THiS.SetCompleted(true);

} }

To rEcUrsiveLy renDer list items, tHe ListItemcOMPonent coMponENt CAn render the LisTItemsubscriber COmponent For eaCh dependEncy:

class lIStItemCoMpoNenT exTenDS reAct.Component { rENDer() {

cOnSt { listITem } = This.proPs;

rEtuRn (

<lI>

{liStitem.getDeScriptioN()}

{lIsTITeM.iscomplETed()? null : tHiS.reNdErBUtton()}

<UL>

{this.rEnderdepeNdEnCIes()}

</Ul>

</li>

);

} renDErbUTton() {

CoNsT { lisTItEm } = This.pRops;

REtuRn (

<buttoN onClick={() => lIstiTem.cOmPlEte()}>

compLete

</button>

);

} renDeRDependencIeS() {

coNst { lisTiTem } = this.pRops;

return listItem.getDePEndenciEs().mAp(depEndeNcy => (

<ListItEmSUbscriBer LIstIteM={depenDency} />

 state. To put everythingtogether:
cons t l ist It em =  new  ListItemModel ( {

i d: '1',

description:'Teac hm om h o wto us e Slack ' 
} ) ; c on st  Li st I te mSubs cri ber = R eactAxiom. sub sc ribe(ListIte m Co mponent);Rea ctDOM.render (
<ListI te mSu b scrib erlistI tem={l i stItem } />,

do cu m ent.ge t Element B y Id ('ap p')

);

The high e ro rder subscribe  funct io n  w r a psthe  ListItemC om ponen t  and re t ur n s a n e w ListItemSub scriber com p one nt. Th eLis t ItemSu bscri be r  co mponent wil l th en subscr ibe to the lis t Item mo del an d u pda te i t se lf  if  s t ate ch ang e s.In the s pe ci fic a bove e x a mple , c lick ing o n the complet e b utto n  wi ll ca use t he b ut ton t o disa ppear .
Getting Comple x wi th Refere nce s
St at e cha n ges in  Re act  Axiommodelso ccu rt h r ou gh mutations. As a  r e s ul t, thisdesign al lo w s refere nc esto o t h er ob ject s ,arrays,and mo d el sto oper at e fair ly  we llin st a te.The fo llowingexamp l e adds a depen d encies fieldt oL i st I temM ode l and someaddi t iona l lo g ic  to compl ete a  l i st item.

class ListIt em Compon ent e xtends ReactA xiom.Model { static d efau l tS t ate() {

retur n {
id: null,descript ion:'',

com pleted: f a l se,

dep end enc ies : [ ] , 
};

} complet e ( ) {
t his.get Dep endenci es( ).f orE ach (d ependency  => {

d ep en de nc y.c omple t e();

}) ;thi s. set Compl e ted(tr ue);
} } 
To rec ursivel y  r e n derli st  ite ms,  t he Li stIt e mCo mponent  componen t c a n re nd er  the Li stItemSubscri be r componen tfor  eachd e pendency :

class ListItemCompon e nt exte nds  Reac t.Co mponent {  re nder()  {const{ list Item}= t h i s.pro p s ;
re tu rn (

<li> {li stIte m. getD escript ion()}

{listItem. i sCo mpleted()? nu ll: th i s .r end e rB u tto n( ) }
< u l>

{this.rende rDependenc ie s () }

</ul>
< /li >
);

}renderB utton ( ) {

co nst { lis tItem } =  t his. p r ops ;

return(

<butt on onClic k ={()= >listI tem .compl et e() }>

c omplet e 

< /butt on>

) ;
} ren derDe pe ndencies () {

const { listItem} = th is.pr ops ;

return  li s tIt em.getDep ende ncies().ma p(d epe ndenc y = >  (

< List I te mSu b scrib er l i stItem={d e pe nde n c y}  />

 state._To put_everything together:

const listItem =_new ListItemModel({

id:_'1',

description:_'Teach mom_how_to use Slack'

});_const ListItemSubscriber =_ReactAxiom.subscribe(ListItemComponent); ReactDOM.render(

<ListItemSubscriber listItem={listItem} />,

document.getElementById('app')

);

The_higher order subscribe_function_wraps the ListItemComponent and returns a new ListItemSubscriber component. The ListItemSubscriber component will then_subscribe_to the_listItem_model_and update itself if state_changes. In the specific above_example, clicking_on the complete button will cause the button_to_disappear.

Getting Complex with_References

State changes in React Axiom models occur through mutations._As a result, this design allows_references to other_objects,_arrays,_and models to operate_fairly well in state. The following_example adds a dependencies field to_ListItemModel and some additional logic to complete_a list item.

class ListItemComponent extends ReactAxiom.Model_{ static defaultState() {

return {

id:_null,

description: '',

completed:_false,

dependencies: [],

};

} complete() {

this.getDependencies().forEach(dependency =>_{

dependency.complete();

}); this.setCompleted(true);

} }

To_recursively render_list items, the_ListItemComponent component can render the ListItemSubscriber_component for each_dependency:

class ListItemComponent extends React.Component { render()_{

const_{ listItem }_=_this.props;

return_(

<li>

{listItem.getDescription()}

{listItem.isCompleted()? null_: this.renderButton()}

<ul>

{this.renderDependencies()}

</ul>

</li>

);

} renderButton()_{

const_{ listItem_}_= this.props;

return (

<button onClick={() => listItem.complete()}>

complete

</button>

);

}_renderDependencies()_{

const { listItem } = this.props;

return listItem.getDependencies().map(dependency_=> (

<ListItemSubscriber listItem={dependency} />
