6.6.3 • Published 2 days ago

@lwc/synthetic-shadow v6.6.3

Weekly downloads
23,411
License
MIT
Repository
github
Last release
2 days ago

Synthetic Shadow Root

Summary

This is a polyfill for ShadowRoot that was tailor-made for LWC in order to meet the performance goals of the Lightning Platform. This doesn't mean that it cannot be used with any other framework, but we took shortcuts and made compromises that might not align well with other frameworks.

Compromises

  • Default content for <slot> elements is always empty.
  • slotchange is only available directly on the <slot> (it doesn't bubble as in the case of the native implementation). This restriction is in place because implementing slotchange requires using MutationObserver which is expensive at runtime. By only supporting slotchange event applied directly on the <slot> element, the LWC engine receives a clear signal that the component author is interested in listening to this event. This avoids spending unnecessary CPU time when the slotchange event is never consumed.
  • If you use MutationObserver to watch changes in a DOM tree, disconnect it or you will cause a memory leak. Note that a component can observe mutations only in its own template. It can't observe mutations within the shadow tree of other custom elements.
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1.0.1-alpha03

5 years ago

1.0.0-alpha2

5 years ago

1.0.0-alpha.2

5 years ago

0.40.1-222.8

5 years ago

1.0.1-alpha0

5 years ago

0.40.1-222.7

5 years ago

0.40.1-222.6

5 years ago

0.40.1-222.5

5 years ago

0.40.1-222.4

5 years ago

0.40.1-222.3

5 years ago

0.40.1-222.2

5 years ago

1.0.0

5 years ago

1.0.0-alpha.0

5 years ago

0.41.0

5 years ago

0.40.2-alpha1

5 years ago

0.40.1-ekashida1

5 years ago

0.40.1-222.1

5 years ago

0.40.1

5 years ago

0.40.1-alpha2

5 years ago

0.40.1-alpha1

5 years ago

0.40.0

5 years ago

0.39.1-222.4

5 years ago

0.39.1-222.3

5 years ago

0.39.2-alpha6

5 years ago

0.39.1-222.2

5 years ago

0.39.1-222.1

5 years ago

0.39.2-alpha2

5 years ago

0.39.2-alpha5

5 years ago

0.39.2-alpha1

5 years ago

0.37.4-alpha2

5 years ago

0.37.4-alpha1

5 years ago

0.39.1

5 years ago

0.38.2

5 years ago

0.38.2-alpha1

5 years ago

0.39.0

5 years ago

0.38.1-alpha1

5 years ago

0.38.1

5 years ago

0.38.0

5 years ago

0.38.0-alpha3

5 years ago

0.38.0-alpha2

5 years ago

0.38.0-alpha1

5 years ago

0.37.3-alpha10

5 years ago

0.37.3-alpha9

5 years ago

0.37.3-alpha8

5 years ago

0.37.3-alpha7

5 years ago

0.37.3-alpha6

5 years ago

0.37.3-alpha5

5 years ago

0.37.3-alpha4

5 years ago

0.37.3-alpha3

5 years ago

0.37.3-alpha2

5 years ago