Comments (4)
simonihmig
commented on June 2, 2024
2
This makes a lot of sense!
Sorry if I'm kinda hijacking this for another use case, but it is very much related: when doing DOM-less rendering, it would be super useful to also have something like <template whitespace="none">.
A simple imaginary example of 3D rendering:
<ThreeJsCanvas> would render a <canvas> element and do other setup work, everything else is not rendering any DOM but causing other rendering side effects like creating objects and adding them to the scene graph (which is currently difficult due to #597, which could be solved by #975, however I'm digressing...). In this scenario, all the white space would cause empty text nodes to be created as children of <canvas>, which is completely useless.
This gets even worse when doing more dynamic and complex things with e.g. {{#if}} and {{#each}}, where Glimmer would mindlessly create and remove whitespace text nodes dynamically, all within the hot path, where you just have 16ms for all the work to get to 60fps.
Note that this is equally true for classic hbs files as well as <template> currently, but the proposal here opens up a good opportunity to get that use case nicely supported I think!
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chancancode
commented on June 2, 2024
1
Also pointing out that if we were to do this, it would have to be a feature in the wire-format compiler, not a feature of content-tag, since you can only do it when you have parsed (knowing what's html text content, etc). Just stripping leading indentation, on the other hand, can be done in content-tag.
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NullVoxPopuli
commented on June 2, 2024
cp issues/982 pulls/from rfcs.
chancancode
commented on June 2, 2024
I was also thinking if we should at least support something like this for the Chinese (etc) use case:
<p>
這個段落是那麼長，\
在一行寫不行。最好\
用三行寫。
</p>
But it further eats into the "is it still HTML" budget... plus I am not sure what would be the rationalization for this to have no spaces at all. Perhaps whitespace="none" works good enough here also, but I'm not sure.
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Related Issues (20)
- NVP todos
- Deprecate all of Ember Classic HOT 16
- Build-time configuration of index.html HOT 3
- Deprecate support for Travis CI HOT 6
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- Deprecate `ember-export-application-global` addon? HOT 4
- Run Prettier separately in `app` blueprint HOT 9
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- Explore "official" pod deprecation HOT 19
- {{else}} should render a value rather than be a control-flow keyword. HOT 5
- new primitive: transition, similar to modifiers, except they block certain render events HOT 2
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- Asset import spec RFC HOT 2
- Implement import spec RFC HOT 1
- Replacing `moduleName` in template meta HOT 11
- Simplified imports for common built-in modules HOT 2
- Pre-RFC: Add `aria-current` attribute to Ember's `LinkTo` component HOT 1
- Add LICENSE
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