Programming-JavaScript-Applications/program1.js at master · joelstanner/Programming-JavaScript-Applications · GitHub

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(function(exports){
'use strict';

// Make sure local storage is supported.
varns='post',
supportsLocalStorage=
(typeoflocalStorage!=='undefined')
&&localStorage!==null,

storage,

storageInterface=stampit().methods({
save: functionsaveStorage(){
thrownewError('.save() method not implemented.');
}
}),

localStorageProvider=stampit
.compose(storageInterface)
.methods({
save: functionsaveLocal(){
localStorage.storage=JSON.stringify(storage);
}
}),

cookieProvider=stampit
.compose(storageInterface)
.methods({
save: functionsaveCookie(){
$.cookie('storage',JSON.stringify(storage));
}
}),

post=stampit().methods({
save: functionsave(){
storage[this.id]=this.data;
storage.save();
returnthis;
},
set: functionset(name,value){
this.data[name]=value;
returnthis;
}
})
.state({
data: {
message: '',
published: false
},
id: undefined
})
.enclose(functioninit(){
this.id=generateUUID();
returnthis;
}),

api=post;

storage=(supportsLocalStorage)
 ? localStorageProvider()
 : cookieProvider();

exports[ns]=api;

}((typeofexports==='undefined')
 ? window
 : exports
));

$(function(){
'use strict';

varmyPost=post().set('message','Hello, world!');

test('Interface example',function(){
varstoredMessage,
storage;

myPost.save();
storage=JSON.parse(localStorage.storage);
storedMessage=storage[myPost.id].message;

equal(storedMessage,'Hello, world!',
'.save() method should save post.');
});
});