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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 | 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 2x 29761x 29761x 29761x 29761x 29761x 29761x 29761x 29761x 2x 2x 2x 2x 2x 2x 2x 2x 21055x 21055x 21055x 21055x 21055x 21055x 15794x 15794x 21055x 21055x 21055x 2x 2x 2x 2x 2x 2x 2x 778x 778x 778x 778x 778x 778x 2x 2x 2x 2x 2x 2x 2x 2x 24246x 24246x 24246x 20898x 20898x 20898x 20898x 20898x 20898x 20898x 20898x 20898x 20898x 20898x 20898x 20898x 20898x 143x 20898x 101x 14x 14x 101x 87x 79x 87x 8x 8x 87x 101x 20898x 20898x 20898x 24x 24x 20898x 20898x 20898x 20898x 24246x 24246x 24246x 2x 2x 2x 2x 2x 2x 27170x 27170x 27170x 20388x 20388x 20388x 20388x 27169x 24745x 24745x 24745x 24745x 24745x 23429x 23429x 24745x 23311x 23311x 24745x 25x 25x 25x 23286x 23286x 23286x 23286x 24740x 22515x 6272x 22390x 16243x 16243x 22515x 24745x 27170x | /** @import { Derived, Effect, Source, Value } from '#client' */ 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 {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 {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 {Value<V>} source * @param {V} value */ export function mutate(source, value) { set( source, untrack(() => get(source)) ); return value; } /** * @template V * @param {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++)` 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 {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 {Derived} */ (reaction), MAYBE_DIRTY); } else { schedule_effect(/** @type {Effect} */ (reaction)); } } } } |