All files / src/internal/client/dom/blocks svelte-component.js

100% Statements 44/44
100% Branches 10/10
100% Functions 1/1
100% Lines 42/42

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 432x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 69x 29x 29x 69x 69x 69x 69x 69x 69x 69x 69x 69x 69x 135x 131x 135x 60x 60x 60x 131x 135x 117x 117x 69x 69x 69x 29x 29x 69x  
/** @import { TemplateNode, Dom, Effect } from '#client' */
import { block, branch, pause_effect } from '../../reactivity/effects.js';
import { hydrate_next, hydrate_node, hydrating } from '../hydration.js';
 
/**
 * @template P
 * @template {(props: P) => void} C
 * @param {TemplateNode} node
 * @param {() => C} get_component
 * @param {(anchor: TemplateNode, component: C) => Dom | void} render_fn
 * @returns {void}
 */
export function component(node, get_component, render_fn) {
	if (hydrating) {
		hydrate_next();
	}
 
	var anchor = node;
 
	/** @type {C} */
	var component;
 
	/** @type {Effect | null} */
	var effect;
 
	block(() => {
		if (component === (component = get_component())) return;
 
		if (effect) {
			pause_effect(effect);
			effect = null;
		}
 
		if (component) {
			effect = branch(() => render_fn(anchor, component));
		}
	});
 
	if (hydrating) {
		anchor = hydrate_node;
	}
}