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feat(cxl-ui): cxl-base-card add lazyload for avatar image #392

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@pawelkmpt pawelkmpt requested review from lkraav and anoblet January 30, 2024 12:27
@pawelkmpt pawelkmpt self-assigned this Jan 30, 2024
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size-limit report 📦

Path Size
packages/cxl-ui/pkg/dist-web/cxl-ui.js 71.96 KB (+0.05% 🔺)
packages/cxl-ui/pkg/dist-web/cxl-ui-jwplayer.js 11.89 KB (0%)
packages/cxl-ui/pkg/dist-web/cxl-ui-playbooks.js 28.93 KB (0%)
packages/cxl-ui/pkg/dist-web/vendor.js 140.5 KB (0%)
packages/cxl-ui/pkg/dist-web/cxl-ui-jwplayer.js, packages/cxl-ui/pkg/dist-web/cxl-ui-playbooks.js, packages/cxl-ui/pkg/dist-web/cxl-ui.js, packages/cxl-ui/pkg/dist-web/manifest.js, packages/cxl-ui/pkg/dist-web/unresolved.js, packages/cxl-ui/pkg/dist-web/vendor.js 254.44 KB (+0.02% 🔺)

@lkraav
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lkraav commented Feb 3, 2024

Why would it ever be optional, though?

@pawelkmpt
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Why would it ever be optional, though?

In situation when card is above the fold:

You should avoid setting loading=lazy for any images that are in the first visible viewport. This is particularly relevant for LCP images. See the article The performance effects of too much lazy-loading for more information.

https://web.dev/articles/browser-level-image-lazy-loading#avoid_lazy_loading_images_that_are_in_the_first_visible_viewport

@pawelkmpt pawelkmpt marked this pull request as ready for review February 6, 2024 08:53
@lkraav
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lkraav commented Feb 6, 2024

In situation when card is above the fold:

That's what I'm saying: are cards ever above the fold? Dashboard?

@@ -36,6 +36,8 @@ export class CXLBaseCardElement extends LitElement {

@property({ type: Boolean, reflect: true, attribute: 'show-time-icon' }) showTimeIcon = false;

@property({ type: Boolean }) lazyload = true;
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Perhaps lazy or lazyLoad instead? The attribute would be lazy-load :)

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In situation when card is above the fold:

That's what I'm saying: are cards ever above the fold? Dashboard?

yes, dashboard, category pages etc.

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3 participants