Bastian-Greshake-Tzovaras/MapComplete
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refactoring

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This commit is contained in:
Pieter Vander Vennet 2023-03-28 05:13:48 +02:00
parent b94a8f5745
commit 5d0fe31c41
114 changed files with 2412 additions and 2958 deletions
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11
UI/Base/If.svelte
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@ -1,14 +1,23 @@
<script lang="ts">
import { UIEventSource } from "../../Logic/UIEventSource";
import { onDestroy } from "svelte";
/**
* For some stupid reason, it is very hard to let {#if} work together with UIEventSources, so we wrap then here
*/
export let condition: UIEventSource<boolean>;
let _c = condition.data;
condition.addCallback(c => _c = c)
onDestroy(condition.addCallback(c => {
/* Do _not_ abbreviate this as `.addCallback(c => _c = c)`. This is the same as writing `.addCallback(c => {return _c = c})`,
which will _unregister_ the callback if `c = true`! */
_c = c;
return false
}))
</script>
{#if _c}
<slot></slot>
{:else}
<slot name="else"></slot>
{/if}