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pnpm add https://pkg.pr.new/sveltejs/cli/sv@181

pnpm add https://pkg.pr.new/sveltejs/cli/svelte-migrate@181

commit: a3b6954

this really does look and feel much nicer!!

there are still things i would love to improve after this, such as using an ast manipulating api like this:

const { script, css, generateCode } = parseSvelte(content);
script.importNamed('../adder-template-demo.txt?raw', { demo: 'Demo' });
css.addClass('foobar', { 'background-color': 'blue' });
return generateCode({ script: script.generateCode(), css: css.generateCode() });

after that, i think we'll be super close to having a library that's ready for community integrations

Regarding that bit of code that you removed back to the top: I moved it on purpose because it's only used in that one place and nowhere else, so i thought it was unnecessary polluting global stuff. But whatever works for you, i don't have a strong opinion on that.

const { script, css, generateCode } = parseSvelte(content);
script.importNamed('../adder-template-demo.txt?raw', { demo: 'Demo' });
css.addClass('foobar', { 'background-color': 'blue' });
return generateCode({ script: script.generateCode(), css: css.generateCode() });

I agree, there is lot's of improvement potential in the ast apis as well. Overall i like where this would be going. But as you said, one step at a time.

Regarding that bit of code that you removed back to the top: I moved it on purpose because it's only used in that one place and nowhere else, so i thought it was unnecessary polluting global stuff. But whatever works for you, i don't have a strong opinion on that.

yea, i much prefer keeping actual constants in the top scope, especially in this case so it's not polluting the sections with logic

so one issue with this new api is that we'll no longer be able to determine if an integration has been previously installed as the packages are no longer static values that we can easily examine.

see:

the lucia integration relies on this to determine whether we should prompt to also install drizzle. this prevents the drizzle adder from being needlessly executed again if drizzle is already present.

not exactly sure how this can be worked around yet, but this is something we definitely needs to solve

so one issue with this new api is that we'll no longer be able to determine if an integration has been previously installed as the packages are no longer static values that we can easily examine.

I wasn't aware anymore that we had this in place.

I was initially going to suggest something like this

run: ({ sv, cwd, options, typescript, kit, dependencyVersion }) => {
    if(!!dependencyVersion('drizzle-orm'))
        sv.dependsOn('drizzle)

    // do other file updates
}

That would increase flexibility as well. But this won't work because we will only be able to determine the integrations it depends on while executing the adder. But in general I do think a functional approach like this would be best, maybe by converting our existing dependsOn field into a function and basically doing the same thing as above.

I just pushed a rough implementation of the new api (without "dependsOn" detection). This obviously requires more cleanup, but i wanted to make sure we don't miss anything.

Running the paraglide adder in it's current state seems to create the same results as our current implementation. Only had a rough look though, should probably diff the changes later for to make sure this is the case.

FYI we have talked about nuking the routify adder in the past multiple times. Instead of rewriting it, that's what i have done right now.

Update PR description to not close the referenced issue, so that we can focus on the other stuff later on.