Method _handleMutations

src/core/runtime/reactivity.js:373–384

* Handle MutationObserver callbacks. Dispatches to attribute and query * subscriptions based on mutation type. * @param {MutationRecord[]} mutations

(mutations)

     * @param {MutationRecord[]} mutations
     */
    _handleMutations(mutations) {
        var hasQueries = this._querySubscriptions.size > 0;
        var queryTargets = hasQueries ? new Set() : null;
        for (var i = 0; i < mutations.length; i++) {
            var mutation = mutations[i];
            if (mutation.type === "attributes") {
                this._scheduleAttributeEffects(mutation.target, mutation.attributeName);
            }
            if (queryTargets) queryTargets.add(mutation.target);
        }
        if (queryTargets) this._scheduleQueryEffects(queryTargets);
    }

    /**
     * Handle delegated input/change events. Dispatches to property and