During first run all ID's are equal, which is against HTML5 WCAG 2.1 A 4.1.1 about collapsed HOT 8 CLOSED

Hi @janhoogeveen, could you provide a codesandbox that reproduces this issue? Every instance of the component should have a unique id

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https://github.com/roginfarrer/react-collapsed/blob/master/src/utils.ts#L132

I see the same issue, this is problem in SSR projects

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@7iomka @janhoogeveen Can you check if this PR fixes your issues? #54

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@roginfarrer How would I do that? If I try to install this with a github link in my package.json I'm getting duplicate react warnings.

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You can install specific branches, it's a pretty neat feature:

yarn add roginfarrer/react-collapsed#fix-unique-ids-on-first-render
npm install roginfarrer/react-collapsed#fix-unique-ids-on-first-render

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You can install specific branches, it's a pretty neat feature:

yarn add roginfarrer/react-collapsed#fix-unique-ids-on-first-render
npm install roginfarrer/react-collapsed#fix-unique-ids-on-first-render

I'll take a look, NPM is down right now but later today or tomorrow.

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When I remove my lockfiles and replace "react-collapsed": "^3.0.0" with "react-collapsed": "roginfarrer/react-collapsed#fix-unique-ids-on-first-render" in package.json I get the following error when trying to run my application:

Module not found: Can't resolve 'react-collapsed' in '/Users/jan/Projects/REDACTED/src/components/collapse'
Error: Hook can only be invoked from render methods.

    at Object.n.options.__h (/Users/jan/Projects/REDACTED/node_modules/preact/debug/dist/debug.js:1:6026)
    at v (/Users/jan/Projects/REDACTED/node_modules/preact/hooks/dist/hooks.js:1:152)
    at Object.s [as useReducer] (/Users/jan/Projects/REDACTED/node_modules/preact/hooks/dist/hooks.js:1:307)

I think this happens because the dist folder does not exist in my node_modules version of react-collapsed when I use the branch name to install it.

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I went ahead and merged and released the fix in 3.0.1, since it should be harmless. Let me know how it goes

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