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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 | 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 4845x 4845x 1x 1x 4818x 4818x 4818x 4818x 4818x 20x 20x 4818x 4818x 4818x 1x 1x 1x 1x 1x 46x 46x 46x 46x 269x 269x 25x 25x 244x 244x 21x 21x 21x | import { DEV } from 'esm-env';
import { on_destroy } from './index.js';
import * as e from '../shared/errors.js';
/** @type {import('#server').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));
}
export function push() {
current_component = { p: current_component, c: null, d: null };
}
export function pop() {
var component = /** @type {import('#server').Component} */ (current_component);
var ondestroy = component.d;
if (ondestroy) {
on_destroy.push(...ondestroy);
}
current_component = component.p;
}
/**
* @param {import('#server').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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