mirror of
https://github.com/terribleplan/next.js.git
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42 lines
1.4 KiB
JavaScript
42 lines
1.4 KiB
JavaScript
const clearRequire = require('clear-require')
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const glob = require('glob')
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const test = require('ava')
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/**
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* Motivations:
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*
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* - Client-side getInitialProps() wont have access to the apollo client for
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* that page (because it's not shared across page bundles), so wont be able to
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* reset the state, leaving all the logged in user data there :(
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* - So, we have to have a shared module. BUT; next's code splitting means the
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* bundle for each page will include its own copy of the module, _unless it's
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* included in every page_.
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* - https://github.com/zeit/next.js/issues/659#issuecomment-271824223
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* - https://github.com/zeit/next.js/issues/1635#issuecomment-292236785
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* - Therefore, this test ensures that every page includes that module, and
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* hence it will be shared across every page, giving us a global store in
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* Apollo that we can clear, etc
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*/
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const apolloFilePath = require.resolve('../lib/initApollo')
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test.beforeEach(() => {
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// Clean up the cache
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clearRequire.all()
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})
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glob.sync('./pages/**/*.js').forEach((file) => {
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test(`.${file} imports shared apollo module`, (t) => {
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t.falsy(require.cache[apolloFilePath])
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try {
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require(`.${file}`)
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} catch (error) {
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// Don't really care if it fails to execute, etc, just want to be
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// certain the expected require call was made
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}
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t.truthy(require.cache[apolloFilePath])
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})
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})
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