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| 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 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 24x 24x 24x 24x 24x 1x 1x 1x 1x 1x 1x 1x 1x 27x 27x 27x 1x 1x 1x 1x 1x 1x 4x 4x 1x 1x 1x 2x 2x 1x 1x 1x 1x 1x 57x 57x 57x 57x 57x 1x 1x 1x 1x 1x 2058x 2058x 2058x 2058x 2058x 2058x 1x 1x 2045x 2045x 2045x 2045x 2045x 22x 22x 2045x 2045x 2045x 1x 1x 1x 1x 1x 46x 46x 46x 46x 41x 41x 25x 25x 16x 16x 21x 21x 21x | /** @import { Component } from '#server' */
import { DEV } from 'esm-env';
import { on_destroy } from './index.js';
import * as e from '../shared/errors.js';
/** @type {Component | null} */
export var current_component = null;
/**
* @template T
* @param {any} key
* @returns {T}
*/
export function getContext(key) {
const context_map = get_or_init_context_map('getContext');
const result = /** @type {T} */ (context_map.get(key));
return result;
}
/**
* @template T
* @param {any} key
* @param {T} context
* @returns {T}
*/
export function setContext(key, context) {
get_or_init_context_map('setContext').set(key, context);
return context;
}
/**
* @param {any} key
* @returns {boolean}
*/
export function hasContext(key) {
return get_or_init_context_map('hasContext').has(key);
}
/** @returns {Map<any, any>} */
export function getAllContexts() {
return get_or_init_context_map('getAllContexts');
}
/**
* @param {string} name
* @returns {Map<unknown, unknown>}
*/
function get_or_init_context_map(name) {
if (current_component === null) {
e.lifecycle_outside_component(name);
}
return (current_component.c ??= new Map(get_parent_context(current_component) || undefined));
}
/**
* @param {Function} [fn]
*/
export function push(fn) {
current_component = { p: current_component, c: null, d: null };
if (DEV) {
// component function
current_component.function = fn;
}
}
export function pop() {
var component = /** @type {Component} */ (current_component);
var ondestroy = component.d;
if (ondestroy) {
on_destroy.push(...ondestroy);
}
current_component = component.p;
}
/**
* @param {Component} component_context
* @returns {Map<unknown, unknown> | null}
*/
function get_parent_context(component_context) {
let parent = component_context.p;
while (parent !== null) {
const context_map = parent.c;
if (context_map !== null) {
return context_map;
}
parent = parent.p;
}
return null;
}
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