darkwiiplayer/skooma-js
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Make reactive elements keep a weak ref to their reactive source

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This commit is contained in:
Talia 2023-12-23 17:31:01 +01:00
parent ac484b223d
commit cebd867bd2
Signed by: darkwiiplayer
GPG key ID: 7808674088232B3E
1 changed files with 11 additions and 0 deletions
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skooma.js
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@ -10,6 +10,14 @@ or
html.ul([1, 2, 3, 4, 5].map(x => html.li(x)), {class: "numbers"}) html.ul([1, 2, 3, 4, 5].map(x => html.li(x)), {class: "numbers"})
*/ */
const weakReferences = new WeakMap()
const untilDeathDoThemPart = (referrer, reference) => {
if (!weakReferences.has(referrer)) {
weakReferences.set(referrer, new Set())
}
weakReferences.get(referrer).add(reference)
}
export const empty = Symbol("Explicit empty argument for Skooma") export const empty = Symbol("Explicit empty argument for Skooma")
const keyToPropName = key => key.replace(/^[A-Z]/, a => "-"+a).replace(/[A-Z]/g, a => '-'+a.toLowerCase()) const keyToPropName = key => key.replace(/^[A-Z]/, a => "-"+a).replace(/[A-Z]/g, a => '-'+a.toLowerCase())
@ -63,6 +71,7 @@ const reactiveChild = reactive => {
if (value) if (value)
value.replaceWith(reactiveChild(reactive)) value.replaceWith(reactiveChild(reactive))
}, {once: true}) }, {once: true})
untilDeathDoThemPart(ref.deref(), reactive)
return ref.deref() return ref.deref()
} }
@ -111,6 +120,8 @@ const setAttribute = (element, attribute, value, cleanupSignal) => {
} }
const setReactiveAttribute = (element, attribute, reactive, abortController) => { const setReactiveAttribute = (element, attribute, reactive, abortController) => {
untilDeathDoThemPart(element, reactive)
if (abortController) abortController.abort() if (abortController) abortController.abort()
abortController = new AbortController() abortController = new AbortController()