Pass an object from controller to JavaScript

Questions
1

Silverstripe Version: 4.0.1

Question:

Hi,

How do I pass an object from controller to javascript. I have used the code below but it only works for variables.

        Requirements::customScript("var a = 'test'");
4

Without knowing what you’re actually trying to do, it’s hard to be too specific, but there are a couple of techniques available:

To take specific data from (for example) a member object, you can just use the normal PHP notation:

Requirements::customScript("var name = '" . $member->FirstName . " " . $member->Surname . "'");

The other way to do it is to use templated javascript. In this case you have a JS file with placeholders in it, and Silverstripe will substitute them in the same way it does with front-end templates:

$vars = [
    "MemberID" => Security::getCurrentUser()->ID,
];

Requirements::javascriptTemplate("<my-module-dir>/javascript/some_file.js", $vars);

https://docs.silverstripe.org/en/4/developer_guides/templates/requirements/#javascript-files

2

What sort of object are you talking about? Are you trying to pass a Silverstripe DataObject to the script, or are you trying to create a Javascript object?

Can you provide a little more info on what you’re trying to achieve?

3

Yes Silverstripe DataObject that has data from user table.

5

If you want to get all the data in your template to javascript, try the following:

$data = $member->record;
Requirements::customScript('var memberData = ' . Convert::array2json($data) . ';');

Is that what you’re looking for?