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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 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 2x 2x 2x 2x 2x 2x 36896x 36896x 36896x 36896x 36896x 36896x 36896x 36896x 2x 2x 2x 2x 2x 2x 2x 2x 23341x 23341x 23341x 23341x 23341x 23341x 17926x 17926x 23341x 23341x 23341x 2x 2x 2x 2x 2x 2x 2x 776x 776x 776x 776x 776x 776x 2x 2x 2x 2x 2x 2x 2x 2x 24207x 24207x 24207x 24207x 24207x 24207x 1131x 24207x 24207x 24207x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 20978x 123x 20978x 97x 12x 12x 97x 85x 77x 85x 8x 8x 85x 97x 20978x 20978x 20978x 22x 22x 20978x 20978x 20978x 20978x 24207x 24207x 24207x | import { DEV } from 'esm-env';
import {
current_component_context,
current_reaction,
current_dependencies,
current_effect,
current_untracked_writes,
get,
is_runes,
mark_reactions,
schedule_effect,
set_current_untracked_writes,
set_signal_status,
untrack,
increment_version,
execute_effect,
inspect_effects
} from '../runtime.js';
import { equals, safe_equals } from './equality.js';
import { CLEAN, DERIVED, DIRTY, BRANCH_EFFECT } from '../constants.js';
import { UNINITIALIZED } from '../../../constants.js';
import * as e from '../errors.js';
/**
* @template V
* @param {V} v
* @returns {import('#client').Source<V>}
*/
/*#__NO_SIDE_EFFECTS__*/
export function source(v) {
return {
f: 0, // TODO ideally we could skip this altogether, but it causes type errors
v,
reactions: null,
equals,
version: 0
};
}
/**
* @template V
* @param {V} initial_value
* @returns {import('#client').Source<V>}
*/
/*#__NO_SIDE_EFFECTS__*/
export function mutable_source(initial_value) {
const s = source(initial_value);
s.equals = safe_equals;
// bind the signal to the component context, in case we need to
// track updates to trigger beforeUpdate/afterUpdate callbacks
if (current_component_context !== null && current_component_context.l !== null) {
(current_component_context.l.s ??= []).push(s);
}
return s;
}
/**
* @template V
* @param {import('#client').Value<V>} source
* @param {V} value
*/
export function mutate(source, value) {
set(
source,
untrack(() => get(source))
);
return value;
}
/**
* @template V
* @param {import('#client').Source<V>} source
* @param {V} value
* @returns {V}
*/
export function set(source, value) {
var initialized = source.v !== UNINITIALIZED;
if (
initialized &&
current_reaction !== null &&
is_runes() &&
(current_reaction.f & DERIVED) !== 0
) {
e.state_unsafe_mutation();
}
if (!source.equals(value)) {
source.v = value;
source.version = increment_version();
mark_reactions(source, DIRTY, true);
// If the current signal is running for the first time, it won't have any
// reactions as we only allocate and assign the reactions after the signal
// has fully executed. So in the case of ensuring it registers the reaction
// properly for itself, we need to ensure the current effect actually gets
// scheduled. i.e:
//
// $effect(() => x++)
//
// We additionally want to skip this logic when initialising store sources
if (
is_runes() &&
initialized &&
current_effect !== null &&
(current_effect.f & CLEAN) !== 0 &&
(current_effect.f & BRANCH_EFFECT) === 0
) {
if (current_dependencies !== null && current_dependencies.includes(source)) {
set_signal_status(current_effect, DIRTY);
schedule_effect(current_effect);
} else {
if (current_untracked_writes === null) {
set_current_untracked_writes([source]);
} else {
current_untracked_writes.push(source);
}
}
}
if (DEV) {
for (const effect of inspect_effects) {
execute_effect(effect);
}
inspect_effects.clear();
}
}
return value;
}
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