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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | 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 2x 2x 2x 2x 2x 2x 2x 29936x 29936x 29936x 29936x 29936x 29936x 29936x 29936x 2x 2x 2x 2x 2x 2x 2x 2x 21325x 21325x 21325x 21325x 21325x 21325x 15930x 15930x 21325x 21325x 21325x 2x 2x 2x 2x 2x 2x 2x 780x 780x 780x 780x 780x 780x 2x 2x 2x 2x 2x 2x 2x 2x 24355x 24355x 24355x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 21007x 141x 21007x 105x 14x 14x 105x 91x 83x 91x 8x 8x 91x 105x 21007x 21007x 21007x 22x 22x 21007x 21007x 21007x 21007x 24355x 24355x 24355x 2x 2x 2x 2x 2x 2x 27382x 27382x 27382x 20660x 20660x 20660x 20660x 27373x 25166x 25166x 25166x 25166x 25166x 23800x 23800x 25166x 23696x 23696x 25166x 23x 23x 23x 23673x 23673x 23673x 23673x 25161x 22834x 6375x 22715x 16459x 16459x 22834x 25166x 27382x | import { DEV } from 'esm-env';
import {
current_component_context,
current_reaction,
new_deps,
current_effect,
current_untracked_writes,
get,
is_runes,
schedule_effect,
set_current_untracked_writes,
set_signal_status,
untrack,
increment_version,
update_effect
} from '../runtime.js';
import { equals, safe_equals } from './equality.js';
import {
CLEAN,
DERIVED,
DIRTY,
BRANCH_EFFECT,
INSPECT_EFFECT,
UNOWNED,
MAYBE_DIRTY
} from '../constants.js';
import * as e from '../errors.js';
let inspect_effects = new Set();
/**
* @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) {
if (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);
// 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() &&
current_effect !== null &&
(current_effect.f & CLEAN) !== 0 &&
(current_effect.f & BRANCH_EFFECT) === 0
) {
if (new_deps !== null && new_deps.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) {
update_effect(effect);
}
inspect_effects.clear();
}
}
return value;
}
/**
* @param {import('#client').Value} signal
* @param {number} status should be DIRTY or MAYBE_DIRTY
* @returns {void}
*/
function mark_reactions(signal, status) {
var reactions = signal.reactions;
if (reactions === null) return;
var runes = is_runes();
var length = reactions.length;
for (var i = 0; i < length; i++) {
var reaction = reactions[i];
var flags = reaction.f;
// Skip any effects that are already dirty
if ((flags & DIRTY) !== 0) continue;
// In legacy mode, skip the current effect to prevent infinite loops
if (!runes && reaction === current_effect) continue;
// Inspect effects need to run immediately, so that the stack trace makes sense
if (DEV && (flags & INSPECT_EFFECT) !== 0) {
inspect_effects.add(reaction);
continue;
}
set_signal_status(reaction, status);
// If the signal a) was previously clean or b) is an unowned derived, then mark it
if ((flags & (CLEAN | UNOWNED)) !== 0) {
if ((flags & DERIVED) !== 0) {
mark_reactions(/** @type {import('#client').Derived} */ (reaction), MAYBE_DIRTY);
} else {
schedule_effect(/** @type {import('#client').Effect} */ (reaction));
}
}
}
}
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