Brunobkr/llama.cpp_AlgMor24_github

1/** @import { TemplateNode } from '#client' */2import { hydrate_node, hydrating, set_hydrate_node, set_hydrating } from '../hydration.js';3import { create_text, get_first_child, get_next_sibling } from '../operations.js';4import { block, branch } from '../../reactivity/effects.js';5import { COMMENT_NODE, HEAD_EFFECT } from '#client/constants';6 7/**8 * @param {string} hash9 * @param {(anchor: Node) => void} render_fn10 * @returns {void}11 */12export function head(hash, render_fn) {13	// The head function may be called after the first hydration pass and ssr comment nodes may still be present,14	// therefore we need to skip that when we detect that we're not in hydration mode.15	let previous_hydrate_node = null;16	let was_hydrating = hydrating;17 18	/** @type {Comment | Text} */19	var anchor;20 21	if (hydrating) {22		previous_hydrate_node = hydrate_node;23 24		var head_anchor = get_first_child(document.head);25 26		// There might be multiple head blocks in our app, and they could have been27		// rendered in an arbitrary order — find one corresponding to this component28		while (29			head_anchor !== null &&30			(head_anchor.nodeType !== COMMENT_NODE || /** @type {Comment} */ (head_anchor).data !== hash)31		) {32			head_anchor = get_next_sibling(head_anchor);33		}34 35		// If we can't find an opening hydration marker, skip hydration (this can happen36		// if a framework rendered body but not head content)37		if (head_anchor === null) {38			set_hydrating(false);39		} else {40			var start = /** @type {TemplateNode} */ (get_next_sibling(head_anchor));41			head_anchor.remove(); // in case this component is repeated42 43			set_hydrate_node(start);44		}45	}46 47	if (!hydrating) {48		anchor = document.head.appendChild(create_text());49	}50 51	try {52		block(() => {53			var e = branch(() => render_fn(anchor));54			e.f |= HEAD_EFFECT;55		});56	} finally {57		if (was_hydrating) {58			set_hydrating(true);59			set_hydrate_node(/** @type {TemplateNode} */ (previous_hydrate_node));60		}61	}62}63