You've already forked Epicnabbo-Catalogus-Updated-Daily
Remco
41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
import { effect, release } from './reactivity'
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export function entangle({ get: outerGet, set: outerSet }, { get: innerGet, set: innerSet }) {
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let firstRun = true
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let outerHash, innerHash, outerHashLatest, innerHashLatest
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let reference = effect(() => {
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let outer, inner
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if (firstRun) {
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outer = outerGet()
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innerSet(outer)
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inner = innerGet()
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firstRun = false
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} else {
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outer = outerGet()
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inner = innerGet()
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outerHashLatest = JSON.stringify(outer)
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innerHashLatest = JSON.stringify(inner)
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if (outerHashLatest !== outerHash) { // If outer changed...
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inner = innerGet()
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innerSet(outer)
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inner = outer // Assign inner to outer so that it can be serialized for diffing...
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} else { // If inner changed...
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outerSet(inner)
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outer = inner // Assign outer to inner so that it can be serialized for diffing...
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}
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}
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// Re serialize values...
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outerHash = JSON.stringify(outer)
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innerHash = JSON.stringify(inner)
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})
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return () => {
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release(reference)
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}
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}
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