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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 122x 122x 122x 117x 122x 5x 5x 5x 5x 5x 122x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 28x 28x 28x 28x 2x 2x 2x 2x 2x 2x 2x 2x 60x 60x 60x 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 44x 44x 44x 44x 62x 62x 62x 62x 62x 60x 60x 60x 60x 60x 60x 60x 60x 60x 2x 2x 44x 44x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2024x 2024x 2024x 2024x 2024x 2024x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 20x 20x 20x 20x 20x 20x 2x 2x 2x 2x 2x 2161x 2161x 2161x 2161x 2x 2x 2x 2x 2x 2x 2x 4902x 4902x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x | import { current_component_context, flush_sync, untrack } from './internal/client/runtime.js'; import { is_array } from './internal/client/utils.js'; import { user_effect } from './internal/client/index.js'; import * as e from './internal/client/errors.js'; import { lifecycle_outside_component } from './internal/shared/errors.js'; /** * The `onMount` function schedules a callback to run as soon as the component has been mounted to the DOM. * It must be called during the component's initialisation (but doesn't need to live *inside* the component; * it can be called from an external module). * * If a function is returned _synchronously_ from `onMount`, it will be called when the component is unmounted. * * `onMount` does not run inside a [server-side component](https://svelte.dev/docs#run-time-server-side-component-api). * * https://svelte.dev/docs/svelte#onmount * @template T * @param {() => import('./internal/types').NotFunction<T> | Promise<import('./internal/types').NotFunction<T>> | (() => any)} fn * @returns {void} */ export function onMount(fn) { if (current_component_context === null) { lifecycle_outside_component('onMount'); } if (current_component_context.l !== null) { init_update_callbacks(current_component_context).m.push(fn); } else { user_effect(() => { const cleanup = untrack(fn); if (typeof cleanup === 'function') return /** @type {() => void} */ (cleanup); }); } } /** * Schedules a callback to run immediately before the component is unmounted. * * Out of `onMount`, `beforeUpdate`, `afterUpdate` and `onDestroy`, this is the * only one that runs inside a server-side component. * * https://svelte.dev/docs/svelte#ondestroy * @param {() => any} fn * @returns {void} */ export function onDestroy(fn) { if (current_component_context === null) { lifecycle_outside_component('onDestroy'); } onMount(() => () => untrack(fn)); } /** * @template [T=any] * @param {string} type * @param {T} [detail] * @param {any}params_0 * @returns {CustomEvent<T>} */ function create_custom_event(type, detail, { bubbles = false, cancelable = false } = {}) { return new CustomEvent(type, { detail, bubbles, cancelable }); } /** * Creates an event dispatcher that can be used to dispatch [component events](https://svelte.dev/docs#template-syntax-component-directives-on-eventname). * Event dispatchers are functions that can take two arguments: `name` and `detail`. * * Component events created with `createEventDispatcher` create a * [CustomEvent](https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent). * These events do not [bubble](https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Building_blocks/Events#Event_bubbling_and_capture). * The `detail` argument corresponds to the [CustomEvent.detail](https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent/detail) * property and can contain any type of data. * * The event dispatcher can be typed to narrow the allowed event names and the type of the `detail` argument: * ```ts * const dispatch = createEventDispatcher<{ * loaded: never; // does not take a detail argument * change: string; // takes a detail argument of type string, which is required * optional: number | null; // takes an optional detail argument of type number * }>(); * ``` * * https://svelte.dev/docs/svelte#createeventdispatcher * @deprecated Use callback props and/or the `$host()` rune instead — see https://svelte-5-preview.vercel.app/docs/deprecations#createeventdispatcher * @template {Record<string, any>} [EventMap = any] * @returns {import('./index.js').EventDispatcher<EventMap>} */ export function createEventDispatcher() { const component_context = current_component_context; if (component_context === null) { lifecycle_outside_component('createEventDispatcher'); } return (type, detail, options) => { const events = /** @type {Record<string, Function | Function[]>} */ ( component_context.s.$$events )?.[/** @type {any} */ (type)]; if (events) { const callbacks = is_array(events) ? events.slice() : [events]; // TODO are there situations where events could be dispatched // in a server (non-DOM) environment? const event = create_custom_event(/** @type {string} */ (type), detail, options); for (const fn of callbacks) { fn.call(component_context.x, event); } return !event.defaultPrevented; } return true; }; } // TODO mark beforeUpdate and afterUpdate as deprecated in Svelte 6 /** * Schedules a callback to run immediately before the component is updated after any state change. * * The first time the callback runs will be before the initial `onMount`. * * In runes mode use `$effect.pre` instead. * * https://svelte.dev/docs/svelte#beforeupdate * @deprecated Use `$effect.pre` instead — see https://svelte-5-preview.vercel.app/docs/deprecations#beforeupdate-and-afterupdate * @param {() => void} fn * @returns {void} */ export function beforeUpdate(fn) { if (current_component_context === null) { lifecycle_outside_component('beforeUpdate'); } if (current_component_context.l === null) { e.lifecycle_legacy_only('beforeUpdate'); } init_update_callbacks(current_component_context).b.push(fn); } /** * Schedules a callback to run immediately after the component has been updated. * * The first time the callback runs will be after the initial `onMount`. * * In runes mode use `$effect` instead. * * https://svelte.dev/docs/svelte#afterupdate * @deprecated Use `$effect` instead — see https://svelte-5-preview.vercel.app/docs/deprecations#beforeupdate-and-afterupdate * @param {() => void} fn * @returns {void} */ export function afterUpdate(fn) { if (current_component_context === null) { lifecycle_outside_component('afterUpdate'); } if (current_component_context.l === null) { e.lifecycle_legacy_only('afterUpdate'); } init_update_callbacks(current_component_context).a.push(fn); } /** * Legacy-mode: Init callbacks object for onMount/beforeUpdate/afterUpdate * @param {import('#client').ComponentContext} context */ function init_update_callbacks(context) { var l = /** @type {import('#client').ComponentContextLegacy} */ (context).l; return (l.u ??= { a: [], b: [], m: [] }); } /** * Synchronously flushes any pending state changes and those that result from it. * @param {() => void} [fn] * @returns {void} */ export function flushSync(fn) { flush_sync(fn); } export { hydrate, mount, unmount } from './internal/client/render.js'; export { getContext, getAllContexts, hasContext, setContext, tick, untrack } from './internal/client/runtime.js'; |