Defining objects when using Jaxer

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灰色年华
灰色年华 2020-12-18 15:12

I\'ve been playing with Jaxer and while the concept is very cool I cannot figure out how to define objects that are available on both the client and the server. None of the

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  • 2020-12-18 15:24

    I found a post on the Aptana forums (that no longer exists on the web) that states that only global functions can be proxied... Bummer.

    However, I've been playing around, and you can control which methods will be available on the client and the server by placing your code in an include file and using <script> tags with runat attributes.

    For example, I can create this file named Person.js.inc:

    <script runat="both">
    
        function Person(name) {
            this.name = name || 'default';
        }
    
    </script>
    
    <script runat="server">
    
        Person.prototype.serverMethod = function() {
            return 'server method (' + this.name + ')';
        };
    
        Person.serverStaticMethod = function(person) {
            return 'server static method (' + person.name + ')';
        }
    
        // This is a proxied function.  It will be available on the server and
        // a proxy function will be set up on the client.  Note that it must be 
        // declared globally.
        function SavePerson(person) {
            return 'proxied method (' + person.name + ')';
        }
        SavePerson.proxy = true;
    
    </script>
    
    <script runat="client">
    
        Person.prototype.clientMethod = function() {
            return 'client method (' + this.name + ')';
        };
    
        Person.clientStaticMethod = function (person) {
            return 'client static method (' + person.name + ')';
        }
    
    </script>
    

    And I can include it on a page using:

    <jaxer:include src="People.js.inc"></jaxer:include>
    

    Unfortunately with this method I lose the advantage of browser caching for client-side scripts because all the scripts get inlined. The only technique I can find to avoid that problem is to split the client methods, server methods and shared methods into their own js files:

    <script src="Person.shared.js" runat="both" autoload="true"></script>
    <script src="Person.server.js" runat="server" autoload="true"></script>
    <script src="Person.client.js" runat="client"></script>
    

    And, at that point I might as well split the proxied functions out into their own file as well...

    <script src="Person.proxies.js" runat="server-proxy"></script>
    

    Note that I used autoload="true" on the shared and server scripts so that they would be available to the proxied functions.

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