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 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 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 9789x 20x 20x 14x 20x 6x 6x 20x 9789x 9789x 9789x 2x 2x 2x 2x 2x 2x 2x 2x 5216x 5216x 5216x 5216x 2x 2x 2x 2x 2x 15517x 15517x 15517x 15517x 15517x 10x 10x 14x 14x 10x 15517x 2x 2x 2x 2x 2x 2x 2x 15503x 15503x 15503x 15503x 15503x 15503x 15503x 15503x 15503x 15503x 15503x 15503x 15503x 15503x 15349x 15349x 15349x 15349x 15349x 1397x 1397x 15349x 15503x 2x 2x 2x 2x 2x 2x 14x 14x 14x 14x 14x 14x 14x 14x 14x 14x 14x 14x 14x 14x | import { DEV } from 'esm-env';
import { CLEAN, DERIVED, DESTROYED, DIRTY, MAYBE_DIRTY, UNOWNED } from '../constants.js';
import {
current_reaction,
current_effect,
remove_reactions,
set_signal_status,
mark_reactions,
current_skip_reaction,
execute_reaction_fn,
destroy_effect_children,
increment_version
} from '../runtime.js';
import { equals, safe_equals } from './equality.js';
export let updating_derived = false;
/**
* @template V
* @param {() => V} fn
* @returns {import('#client').Derived<V>}
*/
/*#__NO_SIDE_EFFECTS__*/
export function derived(fn) {
let flags = DERIVED | DIRTY;
if (current_effect === null) flags |= UNOWNED;
/** @type {import('#client').Derived<V>} */
const signal = {
deps: null,
deriveds: null,
equals,
f: flags,
first: null,
fn,
last: null,
reactions: null,
v: /** @type {V} */ (null),
version: 0
};
if (DEV) {
/** @type {import('#client').DerivedDebug} */ (signal).inspect = new Set();
}
if (current_reaction !== null && (current_reaction.f & DERIVED) !== 0) {
var current_derived = /** @type {import('#client').Derived<V>} */ (current_reaction);
if (current_derived.deriveds === null) {
current_derived.deriveds = [signal];
} else {
current_derived.deriveds.push(signal);
}
}
return signal;
}
/**
* @template V
* @param {() => V} fn
* @returns {import('#client').Derived<V>}
*/
/*#__NO_SIDE_EFFECTS__*/
export function derived_safe_equal(fn) {
const signal = derived(fn);
signal.equals = safe_equals;
return signal;
}
/**
* @param {import('#client').Derived} signal
* @returns {void}
*/
function destroy_derived_children(signal) {
destroy_effect_children(signal);
var deriveds = signal.deriveds;
if (deriveds !== null) {
signal.deriveds = null;
for (var i = 0; i < deriveds.length; i += 1) {
destroy_derived(deriveds[i]);
}
}
}
/**
* @param {import('#client').Derived} derived
* @param {boolean} force_schedule
* @returns {void}
*/
export function update_derived(derived, force_schedule) {
var previous_updating_derived = updating_derived;
updating_derived = true;
destroy_derived_children(derived);
var value = execute_reaction_fn(derived);
updating_derived = previous_updating_derived;
var status =
(current_skip_reaction || (derived.f & UNOWNED) !== 0) && derived.deps !== null
? MAYBE_DIRTY
: CLEAN;
set_signal_status(derived, status);
if (!derived.equals(value)) {
derived.version = increment_version();
derived.v = value;
mark_reactions(derived, DIRTY, force_schedule);
if (DEV && force_schedule) {
for (var fn of /** @type {import('#client').DerivedDebug} */ (derived).inspect) fn();
}
}
}
/**
* @param {import('#client').Derived} signal
* @returns {void}
*/
export function destroy_derived(signal) {
destroy_derived_children(signal);
remove_reactions(signal, 0);
set_signal_status(signal, DESTROYED);
// TODO we need to ensure we remove the derived from any parent derives
signal.first =
signal.last =
signal.deps =
signal.reactions =
// @ts-expect-error `signal.fn` cannot be `null` while the signal is alive
signal.fn =
null;
}
|