fix example, use preact-iso/hydrate

[JoviDeCroock]

resolves #401

[changeset-bot]

⚠️ No Changeset found

Latest commit: e5323d6

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

[github-actions]

Size Change: +75 B (0%)

Total Size: 690 kB

Filename	Size	Change
packages/wmr/demo/dist/compat/index.html	1.49 kB	+1 B (0%)
packages/wmr/demo/dist/index.********.js	7.14 kB	+74 B (+1%)

ℹ️ View Unchanged

Filename	Size	Change
packages/wmr/demo/dist/about/index.html	657 B	0 B
packages/wmr/demo/dist/assets/Calendar.********.css	702 B	0 B
packages/wmr/demo/dist/assets/style.********.css	386 B	0 B
packages/wmr/demo/dist/chunks/class-fields.********.js	200 B	0 B
packages/wmr/demo/dist/chunks/compat.********.js	15.3 kB	0 B
packages/wmr/demo/dist/chunks/index.********.js	199 B	0 B
packages/wmr/demo/dist/chunks/prerender.********.js	2.45 kB	0 B
packages/wmr/demo/dist/class-fields/index.html	635 B	0 B
packages/wmr/demo/dist/env/index.html	713 B	0 B
packages/wmr/demo/dist/error/index.html	646 B	0 B
packages/wmr/demo/dist/files/index.html	675 B	0 B
packages/wmr/demo/dist/index.html	703 B	0 B
packages/wmr/demo/dist/lazy-and-late/index.html	657 B	0 B
packages/wmr/wmr.cjs	657 kB	0 B

_{compressed-size-action}

[danielweck]

The typeof window !== 'undefined' browser check can be removed.

References:

wmr/packages/preact-iso/hydrate.js

Line 7 in fe51b7e

if (typeof window === 'undefined') return;

https://github.com/preactjs/wmr/blob/main/packages/preact-iso/README.md#hydratejs

This method also checks to make sure its running in a browser context before attempting any rendering - if not, it does nothing.