in your john.js file:
var Client = require("./client");
Client is a function. You then try to inherit from said function
Object.create(Client, ...
On Tue, Jun 5, 2012 at 11:15 AM, howdoicodethis <[email protected]>wrote:
> Hi everyone. Glad to be here.
>
> I'm still struggling with some aspects of nodejs, and perhaps even
> javascript in general, so thank you everyone for your patience in advance.
>
> I've been able to do this in one file, but when I throw the require() in
> it, it stops working.
> I understand there's a util.inherits() that also works with inheritance,
> but I'd like to manually set the enumerable and writable properties myself.
>
>
> Here's a single file version that works:
>
> var sys = require("util");
>
> // client object
> var Client = {
> ip: null,
> stream : null,
> state: "Connecting",
> eyes: 2,
> legs: 4,
> name: null,
> toString: function () {
> return this.name + " with " +
> this.eyes + " eyes and " +
> this.legs + " legs, " + this.state + ".";
> }
> }
>
> // John inherits Client object
> var john = Object.create(Client, {
> name: {value: "John", writable: true},
> state : {value: "working", writable: true}
> });
>
> sys.puts(john);
> // John with 2 eyes and 4 legs, working.
> -----------------------
> Here's when it stops working
>
> ---- client.js ----
> module.exports = function (instream, inip){
> return {
> ip: null,
> stream : null,
> state: "Connecting",
> eyes: 2,
> legs: 4,
> name: null,
> toString: function () {
> return this.name + " with " +
> this.eyes + " eyes and " +
> this.legs + " legs, " + this.state + ".";
> },
> };
> };
>
> ---- john.js ----
> var Client = require("./client");
> module.exports = function (inname, instate){
> return Object.create(Client, {
> state : {value: inname, enumerable: false, writable: true},
> name: {value: instate, enumerable: true, writable: true},
> });
> };
>
> ---- index.js ----
> var sys = require("util");
> var Client = require("./client")("stream","168.192.0.1");
> sys.puts(Client);
> // null with 2 eyes and 4 legs, Connecting.
>
> var john = require("./john")("John","Sleeping");
> sys.puts(john); // ERROR: Function.prototype.toString() is not generic,
> ie. inheritance failed.
> sys.puts(sys.inspect(john)); // { name: 'Sleeping' } for some reason? Is
> it because name was declared as the second line of that object?
> sys.puts(sys.inspect(john,true)); // { name: 'Sleeping', [state]: 'John' }
>
> --------------------------------------
> What am I doing wrong? Am I missing some conceptual change when I split
> them up into different files and link them together using require() ?
>
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