[Farcol] Introduce
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[Farcol] Introduce
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Use the Falcor Router to create a Virtual JSON resource. In this tutorial we will use Falcor’s express middleware to serve the Virtual JSON resource on an application server at the URL /model.json. We will also host a static web page on the same server which retrieves data from the Virtual JSON resource.
index.js:
// index.js
var falcorExpress = require('falcor-express');
var Router = require('falcor-router');
var express = require('express');
var app = express();
app.use('/model.json', falcorExpress.dataSourceRoute(function (req, res) {
// create a Virtual JSON resource with single key ("greeting")
return new Router([
{
// match a request for the key "greeting"
route: "greeting",
// respond with a PathValue with the value of "Hello World."
get: function() {
return {path:["greeting"], value: "Hello World"};
}
}
]);
}));
// serve static files from current directory
app.use(express.static(__dirname + '/'));
var server = app.listen(3030);
index.html:
<!-- index.html -->
<html>
<head>
<!-- Do _not_ rely on this URL in production. Use only during development. -->
<script src="http://netflix.github.io/falcor/build/falcor.browser.js"></script>
<script>
var model = new falcor.Model({source: new falcor.HttpDataSource('/model.json') });
// retrieve the "greeting" key from the root of the Virtual JSON resource
model.
get("greeting").
then(function(response) {
document.write(response.json.greeting);
});
</script>
</head>
<body>
</body>
</html>
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