Brunobkr/llama.cpp_AlgMor24_github

1/** @import { SSRContext } from '#server' */2import { DEV } from 'esm-env';3import * as e from './errors.js';4 5/** @type {SSRContext | null} */6export var ssr_context = null;7 8/** @param {SSRContext | null} v */9export function set_ssr_context(v) {10	ssr_context = v;11}12 13/**14 * @template T15 * @returns {[() => T, (context: T) => T]}16 * @since 5.40.017 */18export function createContext() {19	const key = {};20 21	return [22		() => {23			if (!hasContext(key)) {24				e.missing_context();25			}26 27			return getContext(key);28		},29		(context) => setContext(key, context)30	];31}32 33/**34 * @template T35 * @param {any} key36 * @returns {T}37 */38export function getContext(key) {39	const context_map = get_or_init_context_map('getContext');40	const result = /** @type {T} */ (context_map.get(key));41 42	return result;43}44 45/**46 * @template T47 * @param {any} key48 * @param {T} context49 * @returns {T}50 */51export function setContext(key, context) {52	get_or_init_context_map('setContext').set(key, context);53	return context;54}55 56/**57 * @param {any} key58 * @returns {boolean}59 */60export function hasContext(key) {61	return get_or_init_context_map('hasContext').has(key);62}63 64/** @returns {Map<any, any>} */65export function getAllContexts() {66	return get_or_init_context_map('getAllContexts');67}68 69/**70 * @param {string} name71 * @returns {Map<unknown, unknown>}72 */73function get_or_init_context_map(name) {74	if (ssr_context === null) {75		e.lifecycle_outside_component(name);76	}77 78	return (ssr_context.c ??= new Map(get_parent_context(ssr_context) || undefined));79}80 81/**82 * @param {Function} [fn]83 */84export function push(fn) {85	ssr_context = { p: ssr_context, c: null, r: null };86 87	if (DEV) {88		ssr_context.function = fn;89		ssr_context.element = ssr_context.p?.element;90	}91}92 93export function pop() {94	ssr_context = /** @type {SSRContext} */ (ssr_context).p;95}96 97/**98 * @param {SSRContext} ssr_context99 * @returns {Map<unknown, unknown> | null}100 */101function get_parent_context(ssr_context) {102	let parent = ssr_context.p;103 104	while (parent !== null) {105		const context_map = parent.c;106		if (context_map !== null) {107			return context_map;108		}109		parent = parent.p;110	}111 112	return null;113}114 115/**116 * Wraps an `await` expression in such a way that the component context that was117 * active before the expression evaluated can be reapplied afterwards —118 * `await a + b()` becomes `(await $.save(a))() + b()`, meaning `b()` will have access119 * to the context of its component.120 * @template T121 * @param {Promise<T>} promise122 * @returns {Promise<() => T>}123 */124export async function save(promise) {125	var previous_context = ssr_context;126	var value = await promise;127 128	return () => {129		ssr_context = previous_context;130		return value;131	};132}133