Build to a single file

[matthewp]

Changes

• Changes the build so that there is 1 single bundle for the entire app.
• This is needed for some SSR hosts.
• Also might speed up static builds.
• Fixes endpoint routes in SSR.
• The change is to remove the use of facadeId maps in the internals module. Instead we put metadata about a route in the existing BuildPageData object.
• vite-plugin-pages is the entry module for the build. It imports all routes and prepares itself for static rendering / ssr.
• vite-plugin-ssr is the entry for SSR. It imports the vite-plugin-pages module and implements the adapter API.

Testing

• Test added for SSR endpoint routes.
• Otherwise this is mostly just a refactor.

Docs

Not yet, separate issue.

[changeset-bot]

🦋 Changeset detected

Latest commit: 84b3977

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
astro	Patch
@astrojs/node	Patch

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[natemoo-re]

Can't seem to leave a review right now, but looks good!

Saw one stray console.log at

astro/packages/astro/src/core/build/static-build.ts

Line 105 in e92e661

console.log('huh?');