taggedjs/js/tag/smartRemoveKids.function.js

tagged template reactive html

import { destroyArray } from './checkDestroyPrevious.function.js';
import { addPaintRemover } from '../render/paint.function.js';
/** sets global.deleted on support and all children */
export function smartRemoveKids(global, allPromises) {
    const context = global.contexts;
    smartRemoveByContext(context, allPromises);
    destroyClones(global);
}
function smartRemoveByContext(context, allPromises) {
    for (const subject of context) {
        if (subject.locked) {
            continue;
        }
        if (subject.withinOwnerElement) {
            const tagJsVar = subject.tagJsVar;
            if (tagJsVar && tagJsVar.tagJsType === 'host') {
                const newest = subject.supportOwner;
                tagJsVar.delete(subject, newest);
            }
            continue; // i live within my owner variable. I will be deleted with owner
        }
        const lastArray = subject.lastArray;
        if (lastArray) {
            destroyArray(subject, lastArray);
            continue;
        }
        // regular values, no placeholders
        const elm = subject.simpleValueElm;
        if (elm) {
            delete subject.simpleValueElm;
            addPaintRemover(elm);
            continue;
        }
        const subGlobal = subject.global;
        if (subGlobal === undefined) {
            continue; // subject
        }
        if (subGlobal.deleted === true) {
            continue; // already deleted
        }
        subGlobal.deleted = true;
        const oldest = subGlobal.oldest;
        if (oldest) {
            smartRemoveKids(subGlobal, allPromises);
            continue;
        }
    }
}
/** Destroy dom elements and dom space markers */
function destroyClones(global) {
    const htmlDomMeta = global.htmlDomMeta;
    // check subjects that may have clones attached to them
    for (let index = htmlDomMeta.length - 1; index >= 0; --index) {
        const clone = htmlDomMeta[index];
        destroyClone(clone);
        htmlDomMeta.splice(index, 1);
    }
}
function destroyClone(clone) {
    const marker = clone.marker;
    if (marker) {
        addPaintRemover(marker);
    }
    const dom = clone.domElement;
    if (!dom) {
        return;
    }
    addPaintRemover(dom);
}
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