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I'd like to have a Play template that is a JS file (as opposed to having <script> tags inside an HTML template). The reason for this is so that the script can be cached. However, I need to create a differences in the script depending on where it's included and hoped to do this with Play's template system. I can already do so if I use embedded scripts, but those can't be cached.
I found an existing question that also asks the same thing, but the answer is totally different (different goals).
388
That's easy, just... create view with .js extension, i.e.: views/myDynamicScript.scala.js:
@(message: String)
alert('@message');
//Rest of your javascript...
So you can render it with Scala action as:
def myDynamicScript = Action {
Ok(views.js.myDynamicScript.render(Hello Scala!")).as("text/javascript utf-8")
}
or with Java action:
public static Result myDynamicScript() {
return ok(views.js.myDynamicScript.render("Hello Java!"));
}
Create the route to you action (probably you'll want to add some params to it):
GET /my-dynamic-script.js controllers.Application.myDynamicScript()
So you can include it in HTML templite, just like:
<script type='text/javascript' src='@routes.Application.myDynamicScript()'></script>
Optionally:
You can also render the script into your HTML doc, ie by placing this in your <head>...</head> section:
<script type='text/javascript'>
@Html(views.js.myDynamicScript.render("Find me in the head section of HTML doc!").toString())
</script>
Edit: @See also samples for other templates types
117
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