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Remove defer from inline scripts #119

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Siilwyn opened this issue Feb 15, 2021 · 3 comments 路 Fixed by #94
Closed

Remove defer from inline scripts #119

Siilwyn opened this issue Feb 15, 2021 · 3 comments 路 Fixed by #94
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@Siilwyn
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Siilwyn commented Feb 15, 2021

馃憢 hi it's me again, sorry!

I found my website build with microsite contains some HTML5 validation errors, quickly discovered the same errors are present on the hello-world example site.

For the full errors, check out the online W3C validation results.

@natemoo-re
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Hey thanks for opening an issue! I can definitely remove the defer attribute from script tags.

The XML processing instructions, while not technically valid HTML5, do have well-defined, spec-compliant behavior. These are what enable partial hydration to support top-level fragments. I wrote a detailed explanation in #72, but the gist of it is that we need a non-rendering node to mark the beginning and end of the hydration points. If we were to wrap hydration points in a div or use any element (even hidden ones) to mark these points, it would interrupt document flow and break assumptions like being able to style .my-component + .my-component. Comments would be a valid HTML5 approach to this, but many minifiers and even some CDNs strip them by default, making them unsafe to rely on for critical behavior.

@Siilwyn
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Siilwyn commented Feb 15, 2021

Ah I see, thanks for the insightful reply! It does feel a bit hacky but I can see the benefits too. Shall I close this or rename it to removing the defer attributes?

@natemoo-re natemoo-re linked a pull request Feb 15, 2021 that will close this issue
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@natemoo-re
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Totally agree! I think the hacky solution is unfortunately the only workable one in this case.

Yep, feel free to rename! I already fixed that on the v1.1.0 branch, which is just waiting on a Snowpack patch release to launch.

@natemoo-re natemoo-re added this to the v1.1.0 milestone Feb 15, 2021
@Siilwyn Siilwyn changed the title HTML5 validation errors Remove defer from inline scripts Feb 16, 2021
natemoo-re added a commit that referenced this issue Mar 19, 2021
* wip: snowpack@3.0.0 changes

* fix: remove custom document logic from dev

* wip: remap snowpack@3.0.0 default output directories

* fix(#81): remove PostCSS from core dependencies

* fix(#81): remove prettier from core dependencies

* fix(83): exclude image/font MIME types from transform

* fix(dev): implements a few more snowpack@3.0.0 changes

* Ensure shared hydration chunks are included in build (#105)

Also include updated package-lock.json based on instructions in https://github.com/natemoo-re/microsite/blob/1853843192cb9e0baa8ff93f872cb595a64fbe7f/.github/CONTRIBUTING.md

* Ensure head is rendered for SSG

It seems the implementation was intended to achieve this sort of isolation the same way `docContext` is used. But the `useRef` version was basically just sending any children in `Head` into the memory hole on build.

* Add another page just to validate that each page gets a new head context as expected

* chore: changeset

* chore: release 1.1.0-next.4

* Fix an issue with binary public file corruption (#110)

* Ensure head is rendered for SSG

It seems the implementation was intended to achieve this sort of isolation the same way `docContext` is used. But the `useRef` version was basically just sending any children in `Head` into the memory hole on build.

* Add another page just to validate that each page gets a new head context as expected

* Fix an issue with binary public file corruption

The previous behavior was reading binary files as strings, which was corrupting them on output

* fix: missed rebase issue

* fix: properly resolve example script in CI

* fix: remove assumption that code lives in "node_modules"

* fix(examples): prefer readFile to fetch

* fix: pin preact to 10.5.10

* fix: pin snowpack to 3.0.x

* chore: changeset

* chore: v1.1.0-next.5

* chore: fixup package-locks

* chore: fixup package-lock files

* chore: ignore logfiles

* Fix requestIdleCallback logic (#112)

* fix(#111): hydration failure in safari

* chore: update package lock

* fix(#111): use requestIdleCallback shim

* chore: changeset

* fix: update createPersistentFragment for preact@10.5.11+

* chore: changeset

* chore: v1.1.0-next.6

* chore: bump package-lock

* chore: update example locks

* fix(#119): remove `defer` from inline script

* Omit base tag by default (#117)

* Omit base tag by default

* Ensure resources are prefixed with `/` when base tag is omitted

* Lol whoops I meant to remove this

* fix(#115): do not include vendor chunk in hydrateBindings

* chore: publish create-microsite@0.2.0

* chore: add changeset

* chore: v1.1.0-next.7

* chore(deps): snowpack@3.0.13

* fix(#125): prefer pinned Skypack URLs

* chore: remove debug

* chore: changeset

* chore: 1.1.0-next.8

* WIP: dev ssr (#113)

* fix(dev): implements a few more snowpack@3.0.0 changes

* Ensure shared hydration chunks are included in build (#105)

Also include updated package-lock.json based on instructions in https://github.com/natemoo-re/microsite/blob/1853843192cb9e0baa8ff93f872cb595a64fbe7f/.github/CONTRIBUTING.md

* chore: fixup package-locks

* chore: fixup package-lock files

* chore: update example locks

* WIP: dev ssr

* WIP: dev ssr getStaticProps/Paths

* feat: add proper error page handling in dev mode

* chore(examples): update deps

* feat: finalize dev SSR support

* chore(examples): add CSS-in-JS examples

* chore(examples): update goober example

* fix: cleanup deps

Co-authored-by: eyelidlessness <eyelidlessness@users.noreply.github.com>

* fix(#126): emit shared css modules (#127)

* chore: v1.1.0-next.9

* chore: remove package-locks?

* fix: shared CSS module logic

* chore: 1.1.0-next.10

* feat(hydration): add "fallback" prop to "withHydrate"

* fix: global chunk loading

* chore(examples): add custom ssr fallback example

* chore: v1.1.0-next.11

* Add benchmark action (#129)

* feat: add gzip/brotli to benchmark

* chore(action): add benchmark test action

* chore(action): test benchmark

* chore(action): test benchmark

* chore(action): update benchmark filter

* chore(action): update benchmark scripts

* chore: revert lockfile to v1

* chore(action): update benchmark script

* chore(action): update benchmark script

* chore(action): update benchmark action

* chore(action): update benchmark script

* chore(action): update benchmark script

* chore(action): update benchmark script

* chore(action): update benchmark script

* chore(action): update benchmark script

* chore(action): add context to benchmark message

* chore(action): update benchmark to 15 runs

* chore(action): require manual trigger for benchmark action

* chore(action): fixup benchmark script

* chore(action): add commit to benchmark action

* chore(action): fix workflow_dispatch

* docs: update benchmark

* chore: update benchmark table formatting

* chore(bench): restructure benchmarks

* chore(bench): add counter example

* chore(bench): add lighthouse scores to benchmark

* chore(bench): run benchmarks

* chore(bench): update size label

* Fix preact import regex matching other things (#135)

* docs: fix wrong variable, update css in js context (#131)

* doc: fix wrong variable name

* doc: fix file naming, since it doesn't render jsx

* doc: adding with-fela and with-goober example

* update without .md extension

* Update styling.md

* Fix preact import regex matching other things

Currently preact import regex matches other things (e.g @mdx-js/preact).

* Escape forward slashes

Co-authored-by: Sigit Prabowo <sgt@prbw.net>
Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>

* Fix incorrect field used for aliases from snowpack user config (#136)

* docs: fix wrong variable, update css in js context (#131)

* doc: fix wrong variable name

* doc: fix file naming, since it doesn't render jsx

* doc: adding with-fela and with-goober example

* update without .md extension

* Update styling.md

* Fix aliases from userConfig not being loaded

Co-authored-by: Sigit Prabowo <sgt@prbw.net>
Co-authored-by: Nate Moore <natemoo-re@users.noreply.github.com>

* Ensure nested imports are hydrated, allow optional display name override for named exports (#140)

* final changes for v1.1.0

Co-authored-by: eyelidlessness <eyelidlessness@users.noreply.github.com>
Co-authored-by: eyelidlessness <gnosis@gmail.com>
Co-authored-by: Reeto Chatterjee <github@ree.to>
Co-authored-by: Sigit Prabowo <sgt@prbw.net>
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