What does `engines` field denote in the `package.json` that comes with a theme

Developer help
1

The documentation here shows a package.json that comes with a theme can have engines option:

{
    "name": "your-theme-name",
    "description": "A brief explanation of your theme",
    "version": "0.5.0",
    "engines": {
        "ghost-api": "v2"
    },

I’m wondering what’s it for? At first I thought I could define engines for the site app, but it seems that site app always uses express-handlebars. So does it simply control the API version for the server the theme is activated on?

2

Yep! With the release of APIv2, the core team needed to differentiate between themes using the v2 and v0.1 API, so this was added :)

1 Like
3

Got it, thanks a lot @vikaspotluri123 for the prompt reply!

4

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