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svelte/internal/Component-cd97939e.mjs

2910 lines
75 KiB

/** @returns {void} */
function noop() {}
const identity = (x) => x;
/**
* @template T
* @template S
* @param {T} tar
* @param {S} src
* @returns {T & S}
*/
function assign(tar, src) {
// @ts-ignore
for (const k in src) tar[k] = src[k];
return /** @type {T & S} */ (tar);
}
// Adapted from https://github.com/then/is-promise/blob/master/index.js
// Distributed under MIT License https://github.com/then/is-promise/blob/master/LICENSE
/**
* @template T
* @param {T} value
* @returns {value is PromiseLike<T>}
*/
function is_promise(value) {
return (
!!value &&
(typeof value === 'object' || typeof value === 'function') &&
typeof (/** @type {any} */ (value).then) === 'function'
);
}
/** @returns {void} */
function add_location(element, file, line, column, char) {
element.__svelte_meta = {
loc: { file, line, column, char }
};
}
function run(fn) {
return fn();
}
function blank_object() {
return Object.create(null);
}
/**
* @param {Function[]} fns
* @returns {void}
*/
function run_all(fns) {
fns.forEach(run);
}
/**
* @param {any} thing
* @returns {thing is Function}
*/
function is_function(thing) {
return typeof thing === 'function';
}
/** @returns {boolean} */
function safe_not_equal(a, b) {
return a != a ? b == b : a !== b || (a && typeof a === 'object') || typeof a === 'function';
}
let src_url_equal_anchor;
/** @returns {boolean} */
function src_url_equal(element_src, url) {
if (!src_url_equal_anchor) {
src_url_equal_anchor = document.createElement('a');
}
src_url_equal_anchor.href = url;
return element_src === src_url_equal_anchor.href;
}
/** @returns {boolean} */
function not_equal(a, b) {
return a != a ? b == b : a !== b;
}
/** @returns {boolean} */
function is_empty(obj) {
return Object.keys(obj).length === 0;
}
/** @returns {void} */
function validate_store(store, name) {
if (store != null && typeof store.subscribe !== 'function') {
throw new Error(`'${name}' is not a store with a 'subscribe' method`);
}
}
function subscribe(store, ...callbacks) {
if (store == null) {
for (const callback of callbacks) {
callback(undefined);
}
return noop;
}
const unsub = store.subscribe(...callbacks);
return unsub.unsubscribe ? () => unsub.unsubscribe() : unsub;
}
/**
* @template T
* @param {import('../store/public.js').Readable<T>} store
* @returns {T}
*/
function get_store_value(store) {
let value;
subscribe(store, (_) => (value = _))();
return value;
}
/** @returns {void} */
function component_subscribe(component, store, callback) {
component.$$.on_destroy.push(subscribe(store, callback));
}
function create_slot(definition, ctx, $$scope, fn) {
if (definition) {
const slot_ctx = get_slot_context(definition, ctx, $$scope, fn);
return definition[0](slot_ctx);
}
}
function get_slot_context(definition, ctx, $$scope, fn) {
return definition[1] && fn ? assign($$scope.ctx.slice(), definition[1](fn(ctx))) : $$scope.ctx;
}
function get_slot_changes(definition, $$scope, dirty, fn) {
if (definition[2] && fn) {
const lets = definition[2](fn(dirty));
if ($$scope.dirty === undefined) {
return lets;
}
if (typeof lets === 'object') {
const merged = [];
const len = Math.max($$scope.dirty.length, lets.length);
for (let i = 0; i < len; i += 1) {
merged[i] = $$scope.dirty[i] | lets[i];
}
return merged;
}
return $$scope.dirty | lets;
}
return $$scope.dirty;
}
/** @returns {void} */
function update_slot_base(
slot,
slot_definition,
ctx,
$$scope,
slot_changes,
get_slot_context_fn
) {
if (slot_changes) {
const slot_context = get_slot_context(slot_definition, ctx, $$scope, get_slot_context_fn);
slot.p(slot_context, slot_changes);
}
}
/** @returns {void} */
function update_slot(
slot,
slot_definition,
ctx,
$$scope,
dirty,
get_slot_changes_fn,
get_slot_context_fn
) {
const slot_changes = get_slot_changes(slot_definition, $$scope, dirty, get_slot_changes_fn);
update_slot_base(slot, slot_definition, ctx, $$scope, slot_changes, get_slot_context_fn);
}
/** @returns {any[] | -1} */
function get_all_dirty_from_scope($$scope) {
if ($$scope.ctx.length > 32) {
const dirty = [];
const length = $$scope.ctx.length / 32;
for (let i = 0; i < length; i++) {
dirty[i] = -1;
}
return dirty;
}
return -1;
}
/** @returns {{}} */
function exclude_internal_props(props) {
const result = {};
for (const k in props) if (k[0] !== '$') result[k] = props[k];
return result;
}
/** @returns {{}} */
function compute_rest_props(props, keys) {
const rest = {};
keys = new Set(keys);
for (const k in props) if (!keys.has(k) && k[0] !== '$') rest[k] = props[k];
return rest;
}
/** @returns {{}} */
function compute_slots(slots) {
const result = {};
for (const key in slots) {
result[key] = true;
}
return result;
}
/** @returns {(this: any, ...args: any[]) => void} */
function once(fn) {
let ran = false;
return function (...args) {
if (ran) return;
ran = true;
fn.call(this, ...args);
};
}
function null_to_empty(value) {
return value == null ? '' : value;
}
function set_store_value(store, ret, value) {
store.set(value);
return ret;
}
const has_prop = (obj, prop) => Object.prototype.hasOwnProperty.call(obj, prop);
function action_destroyer(action_result) {
return action_result && is_function(action_result.destroy) ? action_result.destroy : noop;
}
/** @param {number | string} value
* @returns {[number, string]}
*/
function split_css_unit(value) {
const split = typeof value === 'string' && value.match(/^\s*(-?[\d.]+)([^\s]*)\s*$/);
return split ? [parseFloat(split[1]), split[2] || 'px'] : [/** @type {number} */ (value), 'px'];
}
const contenteditable_truthy_values = ['', true, 1, 'true', 'contenteditable'];
const is_client = typeof window !== 'undefined';
/** @type {() => number} */
let now = is_client ? () => window.performance.now() : () => Date.now();
let raf = is_client ? (cb) => requestAnimationFrame(cb) : noop;
// used internally for testing
/** @returns {void} */
function set_now(fn) {
now = fn;
}
/** @returns {void} */
function set_raf(fn) {
raf = fn;
}
const tasks = new Set();
/**
* @param {number} now
* @returns {void}
*/
function run_tasks(now) {
tasks.forEach((task) => {
if (!task.c(now)) {
tasks.delete(task);
task.f();
}
});
if (tasks.size !== 0) raf(run_tasks);
}
/**
* For testing purposes only!
* @returns {void}
*/
function clear_loops() {
tasks.clear();
}
/**
* Creates a new task that runs on each raf frame
* until it returns a falsy value or is aborted
* @param {import('./private.js').TaskCallback} callback
* @returns {import('./private.js').Task}
*/
function loop(callback) {
/** @type {import('./private.js').TaskEntry} */
let task;
if (tasks.size === 0) raf(run_tasks);
return {
promise: new Promise((fulfill) => {
tasks.add((task = { c: callback, f: fulfill }));
}),
abort() {
tasks.delete(task);
}
};
}
/** @type {typeof globalThis} */
const globals =
typeof window !== 'undefined'
? window
: typeof globalThis !== 'undefined'
? globalThis
: // @ts-ignore Node typings have this
global;
function _nullishCoalesce(lhs, rhsFn) { if (lhs != null) { return lhs; } else { return rhsFn(); } } function _optionalChain$1(ops) { let lastAccessLHS = undefined; let value = ops[0]; let i = 1; while (i < ops.length) { const op = ops[i]; const fn = ops[i + 1]; i += 2; if ((op === 'optionalAccess' || op === 'optionalCall') && value == null) { return undefined; } if (op === 'access' || op === 'optionalAccess') { lastAccessLHS = value; value = fn(value); } else if (op === 'call' || op === 'optionalCall') { value = fn((...args) => value.call(lastAccessLHS, ...args)); lastAccessLHS = undefined; } } return value; }
/**
* Resize observer singleton.
* One listener per element only!
* https://groups.google.com/a/chromium.org/g/blink-dev/c/z6ienONUb5A/m/F5-VcUZtBAAJ
*/
class ResizeObserverSingleton {
/**
* @private
* @readonly
* @type {WeakMap<Element, import('./private.js').Listener>}
*/
__init() {this._listeners = 'WeakMap' in globals ? new WeakMap() : undefined;}
/**
* @private
* @type {ResizeObserver}
*/
__init2() {this._observer = undefined;}
/** @type {ResizeObserverOptions} */
/** @param {ResizeObserverOptions} options */
constructor(options) {ResizeObserverSingleton.prototype.__init.call(this);ResizeObserverSingleton.prototype.__init2.call(this);
this.options = options;
}
/**
* @param {Element} element
* @param {import('./private.js').Listener} listener
* @returns {() => void}
*/
observe(element, listener) {
this._listeners.set(element, listener);
this._getObserver().observe(element, this.options);
return () => {
this._listeners.delete(element);
this._observer.unobserve(element); // this line can probably be removed
};
}
/**
* @private
*/
_getObserver() {
return (
_nullishCoalesce(this._observer, () => (
(this._observer = new ResizeObserver((entries) => {
for (const entry of entries) {
ResizeObserverSingleton.entries.set(entry.target, entry);
_optionalChain$1([this, 'access', _ => _._listeners, 'access', _2 => _2.get, 'call', _3 => _3(entry.target), 'optionalCall', _4 => _4(entry)]);
}
}))))
);
}
}
// Needs to be written like this to pass the tree-shake-test
ResizeObserverSingleton.entries = 'WeakMap' in globals ? new WeakMap() : undefined;
// Track which nodes are claimed during hydration. Unclaimed nodes can then be removed from the DOM
// at the end of hydration without touching the remaining nodes.
let is_hydrating = false;
/**
* @returns {void}
*/
function start_hydrating() {
is_hydrating = true;
}
/**
* @returns {void}
*/
function end_hydrating() {
is_hydrating = false;
}
/**
* @param {number} low
* @param {number} high
* @param {(index: number) => number} key
* @param {number} value
* @returns {number}
*/
function upper_bound(low, high, key, value) {
// Return first index of value larger than input value in the range [low, high)
while (low < high) {
const mid = low + ((high - low) >> 1);
if (key(mid) <= value) {
low = mid + 1;
} else {
high = mid;
}
}
return low;
}
/**
* @param {NodeEx} target
* @returns {void}
*/
function init_hydrate(target) {
if (target.hydrate_init) return;
target.hydrate_init = true;
// We know that all children have claim_order values since the unclaimed have been detached if target is not <head>
let children = /** @type {ArrayLike<NodeEx2>} */ (target.childNodes);
// If target is <head>, there may be children without claim_order
if (target.nodeName === 'HEAD') {
const myChildren = [];
for (let i = 0; i < children.length; i++) {
const node = children[i];
if (node.claim_order !== undefined) {
myChildren.push(node);
}
}
children = myChildren;
}
/*
* Reorder claimed children optimally.
* We can reorder claimed children optimally by finding the longest subsequence of
* nodes that are already claimed in order and only moving the rest. The longest
* subsequence of nodes that are claimed in order can be found by
* computing the longest increasing subsequence of .claim_order values.
*
* This algorithm is optimal in generating the least amount of reorder operations
* possible.
*
* Proof:
* We know that, given a set of reordering operations, the nodes that do not move
* always form an increasing subsequence, since they do not move among each other
* meaning that they must be already ordered among each other. Thus, the maximal
* set of nodes that do not move form a longest increasing subsequence.
*/
// Compute longest increasing subsequence
// m: subsequence length j => index k of smallest value that ends an increasing subsequence of length j
const m = new Int32Array(children.length + 1);
// Predecessor indices + 1
const p = new Int32Array(children.length);
m[0] = -1;
let longest = 0;
for (let i = 0; i < children.length; i++) {
const current = children[i].claim_order;
// Find the largest subsequence length such that it ends in a value less than our current value
// upper_bound returns first greater value, so we subtract one
// with fast path for when we are on the current longest subsequence
const seqLen =
(longest > 0 && children[m[longest]].claim_order <= current
? longest + 1
: upper_bound(1, longest, (idx) => children[m[idx]].claim_order, current)) - 1;
p[i] = m[seqLen] + 1;
const newLen = seqLen + 1;
// We can guarantee that current is the smallest value. Otherwise, we would have generated a longer sequence.
m[newLen] = i;
longest = Math.max(newLen, longest);
}
// The longest increasing subsequence of nodes (initially reversed)
/**
* @type {NodeEx2[]}
*/
const lis = [];
// The rest of the nodes, nodes that will be moved
/**
* @type {NodeEx2[]}
*/
const toMove = [];
let last = children.length - 1;
for (let cur = m[longest] + 1; cur != 0; cur = p[cur - 1]) {
lis.push(children[cur - 1]);
for (; last >= cur; last--) {
toMove.push(children[last]);
}
last--;
}
for (; last >= 0; last--) {
toMove.push(children[last]);
}
lis.reverse();
// We sort the nodes being moved to guarantee that their insertion order matches the claim order
toMove.sort((a, b) => a.claim_order - b.claim_order);
// Finally, we move the nodes
for (let i = 0, j = 0; i < toMove.length; i++) {
while (j < lis.length && toMove[i].claim_order >= lis[j].claim_order) {
j++;
}
const anchor = j < lis.length ? lis[j] : null;
target.insertBefore(toMove[i], anchor);
}
}
/**
* @param {Node} target
* @param {Node} node
* @returns {void}
*/
function append(target, node) {
target.appendChild(node);
}
/**
* @param {Node} target
* @param {string} style_sheet_id
* @param {string} styles
* @returns {void}
*/
function append_styles(target, style_sheet_id, styles) {
const append_styles_to = get_root_for_style(target);
if (!append_styles_to.getElementById(style_sheet_id)) {
const style = element('style');
style.id = style_sheet_id;
style.textContent = styles;
append_stylesheet(append_styles_to, style);
}
}
/**
* @param {Node} node
* @returns {ShadowRoot | Document}
*/
function get_root_for_style(node) {
if (!node) return document;
const root = node.getRootNode ? node.getRootNode() : node.ownerDocument;
if (root && /** @type {ShadowRoot} */ (root).host) {
return /** @type {ShadowRoot} */ (root);
}
return node.ownerDocument;
}
/**
* @param {Node} node
* @returns {CSSStyleSheet}
*/
function append_empty_stylesheet(node) {
const style_element = element('style');
// For transitions to work without 'style-src: unsafe-inline' Content Security Policy,
// these empty tags need to be allowed with a hash as a workaround until we move to the Web Animations API.
// Using the hash for the empty string (for an empty tag) works in all browsers except Safari.
// So as a workaround for the workaround, when we append empty style tags we set their content to /* empty */.
// The hash 'sha256-9OlNO0DNEeaVzHL4RZwCLsBHA8WBQ8toBp/4F5XV2nc=' will then work even in Safari.
style_element.textContent = '/* empty */';
append_stylesheet(get_root_for_style(node), style_element);
return style_element.sheet;
}
/**
* @param {ShadowRoot | Document} node
* @param {HTMLStyleElement} style
* @returns {CSSStyleSheet}
*/
function append_stylesheet(node, style) {
append(/** @type {Document} */ (node).head || node, style);
return style.sheet;
}
/**
* @param {NodeEx} target
* @param {NodeEx} node
* @returns {void}
*/
function append_hydration(target, node) {
if (is_hydrating) {
init_hydrate(target);
if (
target.actual_end_child === undefined ||
(target.actual_end_child !== null && target.actual_end_child.parentNode !== target)
) {
target.actual_end_child = target.firstChild;
}
// Skip nodes of undefined ordering
while (target.actual_end_child !== null && target.actual_end_child.claim_order === undefined) {
target.actual_end_child = target.actual_end_child.nextSibling;
}
if (node !== target.actual_end_child) {
// We only insert if the ordering of this node should be modified or the parent node is not target
if (node.claim_order !== undefined || node.parentNode !== target) {
target.insertBefore(node, target.actual_end_child);
}
} else {
target.actual_end_child = node.nextSibling;
}
} else if (node.parentNode !== target || node.nextSibling !== null) {
target.appendChild(node);
}
}
/**
* @param {Node} target
* @param {Node} node
* @param {Node} [anchor]
* @returns {void}
*/
function insert(target, node, anchor) {
target.insertBefore(node, anchor || null);
}
/**
* @param {NodeEx} target
* @param {NodeEx} node
* @param {NodeEx} [anchor]
* @returns {void}
*/
function insert_hydration(target, node, anchor) {
if (is_hydrating && !anchor) {
append_hydration(target, node);
} else if (node.parentNode !== target || node.nextSibling != anchor) {
target.insertBefore(node, anchor || null);
}
}
/**
* @param {Node} node
* @returns {void}
*/
function detach(node) {
if (node.parentNode) {
node.parentNode.removeChild(node);
}
}
/**
* @returns {void} */
function destroy_each(iterations, detaching) {
for (let i = 0; i < iterations.length; i += 1) {
if (iterations[i]) iterations[i].d(detaching);
}
}
/**
* @template {keyof HTMLElementTagNameMap} K
* @param {K} name
* @returns {HTMLElementTagNameMap[K]}
*/
function element(name) {
return document.createElement(name);
}
/**
* @template {keyof HTMLElementTagNameMap} K
* @param {K} name
* @param {string} is
* @returns {HTMLElementTagNameMap[K]}
*/
function element_is(name, is) {
return document.createElement(name, { is });
}
/**
* @template T
* @template {keyof T} K
* @param {T} obj
* @param {K[]} exclude
* @returns {Pick<T, Exclude<keyof T, K>>}
*/
function object_without_properties(obj, exclude) {
const target = /** @type {Pick<T, Exclude<keyof T, K>>} */ ({});
for (const k in obj) {
if (
has_prop(obj, k) &&
// @ts-ignore
exclude.indexOf(k) === -1
) {
// @ts-ignore
target[k] = obj[k];
}
}
return target;
}
/**
* @template {keyof SVGElementTagNameMap} K
* @param {K} name
* @returns {SVGElement}
*/
function svg_element(name) {
return document.createElementNS('http://www.w3.org/2000/svg', name);
}
/**
* @param {string} data
* @returns {Text}
*/
function text(data) {
return document.createTextNode(data);
}
/**
* @returns {Text} */
function space() {
return text(' ');
}
/**
* @returns {Text} */
function empty() {
return text('');
}
/**
* @param {string} content
* @returns {Comment}
*/
function comment(content) {
return document.createComment(content);
}
/**
* @param {EventTarget} node
* @param {string} event
* @param {EventListenerOrEventListenerObject} handler
* @param {boolean | AddEventListenerOptions | EventListenerOptions} [options]
* @returns {() => void}
*/
function listen(node, event, handler, options) {
node.addEventListener(event, handler, options);
return () => node.removeEventListener(event, handler, options);
}
/**
* @returns {(event: any) => any} */
function prevent_default(fn) {
return function (event) {
event.preventDefault();
// @ts-ignore
return fn.call(this, event);
};
}
/**
* @returns {(event: any) => any} */
function stop_propagation(fn) {
return function (event) {
event.stopPropagation();
// @ts-ignore
return fn.call(this, event);
};
}
/**
* @returns {(event: any) => any} */
function stop_immediate_propagation(fn) {
return function (event) {
event.stopImmediatePropagation();
// @ts-ignore
return fn.call(this, event);
};
}
/**
* @returns {(event: any) => void} */
function self(fn) {
return function (event) {
// @ts-ignore
if (event.target === this) fn.call(this, event);
};
}
/**
* @returns {(event: any) => void} */
function trusted(fn) {
return function (event) {
// @ts-ignore
if (event.isTrusted) fn.call(this, event);
};
}
/**
* @param {Element} node
* @param {string} attribute
* @param {string} [value]
* @returns {void}
*/
function attr(node, attribute, value) {
if (value == null) node.removeAttribute(attribute);
else if (node.getAttribute(attribute) !== value) node.setAttribute(attribute, value);
}
/**
* List of attributes that should always be set through the attr method,
* because updating them through the property setter doesn't work reliably.
* In the example of `width`/`height`, the problem is that the setter only
* accepts numeric values, but the attribute can also be set to a string like `50%`.
* If this list becomes too big, rethink this approach.
*/
const always_set_through_set_attribute = ['width', 'height'];
/**
* @param {Element & ElementCSSInlineStyle} node
* @param {{ [x: string]: string }} attributes
* @returns {void}
*/
function set_attributes(node, attributes) {
// @ts-ignore
const descriptors = Object.getOwnPropertyDescriptors(node.__proto__);
for (const key in attributes) {
if (attributes[key] == null) {
node.removeAttribute(key);
} else if (key === 'style') {
node.style.cssText = attributes[key];
} else if (key === '__value') {
/** @type {any} */ (node).value = node[key] = attributes[key];
} else if (
descriptors[key] &&
descriptors[key].set &&
always_set_through_set_attribute.indexOf(key) === -1
) {
node[key] = attributes[key];
} else {
attr(node, key, attributes[key]);
}
}
}
/**
* @param {Element & ElementCSSInlineStyle} node
* @param {{ [x: string]: string }} attributes
* @returns {void}
*/
function set_svg_attributes(node, attributes) {
for (const key in attributes) {
attr(node, key, attributes[key]);
}
}
/**
* @param {Record<string, unknown>} data_map
* @returns {void}
*/
function set_custom_element_data_map(node, data_map) {
Object.keys(data_map).forEach((key) => {
set_custom_element_data(node, key, data_map[key]);
});
}
/**
* @returns {void} */
function set_custom_element_data(node, prop, value) {
if (prop in node) {
node[prop] = typeof node[prop] === 'boolean' && value === '' ? true : value;
} else {
attr(node, prop, value);
}
}
/**
* @param {string} tag
*/
function set_dynamic_element_data(tag) {
return /-/.test(tag) ? set_custom_element_data_map : set_attributes;
}
/**
* @returns {void}
*/
function xlink_attr(node, attribute, value) {
node.setAttributeNS('http://www.w3.org/1999/xlink', attribute, value);
}
/**
* @param {HTMLElement} node
* @returns {string}
*/
function get_svelte_dataset(node) {
return node.dataset.svelteH;
}
/**
* @returns {unknown[]} */
function get_binding_group_value(group, __value, checked) {
const value = new Set();
for (let i = 0; i < group.length; i += 1) {
if (group[i].checked) value.add(group[i].__value);
}
if (!checked) {
value.delete(__value);
}
return Array.from(value);
}
/**
* @param {HTMLInputElement[]} group
* @returns {{ p(...inputs: HTMLInputElement[]): void; r(): void; }}
*/
function init_binding_group(group) {
/**
* @type {HTMLInputElement[]} */
let _inputs;
return {
/* push */ p(...inputs) {
_inputs = inputs;
_inputs.forEach((input) => group.push(input));
},
/* remove */ r() {
_inputs.forEach((input) => group.splice(group.indexOf(input), 1));
}
};
}
/**
* @param {number[]} indexes
* @returns {{ u(new_indexes: number[]): void; p(...inputs: HTMLInputElement[]): void; r: () => void; }}
*/
function init_binding_group_dynamic(group, indexes) {
/**
* @type {HTMLInputElement[]} */
let _group = get_binding_group(group);
/**
* @type {HTMLInputElement[]} */
let _inputs;
function get_binding_group(group) {
for (let i = 0; i < indexes.length; i++) {
group = group[indexes[i]] = group[indexes[i]] || [];
}
return group;
}
/**
* @returns {void} */
function push() {
_inputs.forEach((input) => _group.push(input));
}
/**
* @returns {void} */
function remove() {
_inputs.forEach((input) => _group.splice(_group.indexOf(input), 1));
}
return {
/* update */ u(new_indexes) {
indexes = new_indexes;
const new_group = get_binding_group(group);
if (new_group !== _group) {
remove();
_group = new_group;
push();
}
},
/* push */ p(...inputs) {
_inputs = inputs;
push();
},
/* remove */ r: remove
};
}
/**
* @returns {number} */
function to_number(value) {
return value === '' ? null : +value;
}
/**
* @returns {any[]} */
function time_ranges_to_array(ranges) {
const array = [];
for (let i = 0; i < ranges.length; i += 1) {
array.push({ start: ranges.start(i), end: ranges.end(i) });
}
return array;
}
/**
* @param {Element} element
* @returns {ChildNode[]}
*/
function children(element) {
return Array.from(element.childNodes);
}
/**
* @param {ChildNodeArray} nodes
* @returns {void}
*/
function init_claim_info(nodes) {
if (nodes.claim_info === undefined) {
nodes.claim_info = { last_index: 0, total_claimed: 0 };
}
}
/**
* @template {ChildNodeEx} R
* @param {ChildNodeArray} nodes
* @param {(node: ChildNodeEx) => node is R} predicate
* @param {(node: ChildNodeEx) => ChildNodeEx | undefined} processNode
* @param {() => R} createNode
* @param {boolean} dontUpdateLastIndex
* @returns {R}
*/
function claim_node(nodes, predicate, processNode, createNode, dontUpdateLastIndex = false) {
// Try to find nodes in an order such that we lengthen the longest increasing subsequence
init_claim_info(nodes);
const resultNode = (() => {
// We first try to find an element after the previous one
for (let i = nodes.claim_info.last_index; i < nodes.length; i++) {
const node = nodes[i];
if (predicate(node)) {
const replacement = processNode(node);
if (replacement === undefined) {
nodes.splice(i, 1);
} else {
nodes[i] = replacement;
}
if (!dontUpdateLastIndex) {
nodes.claim_info.last_index = i;
}
return node;
}
}
// Otherwise, we try to find one before
// We iterate in reverse so that we don't go too far back
for (let i = nodes.claim_info.last_index - 1; i >= 0; i--) {
const node = nodes[i];
if (predicate(node)) {
const replacement = processNode(node);
if (replacement === undefined) {
nodes.splice(i, 1);
} else {
nodes[i] = replacement;
}
if (!dontUpdateLastIndex) {
nodes.claim_info.last_index = i;
} else if (replacement === undefined) {
// Since we spliced before the last_index, we decrease it
nodes.claim_info.last_index--;
}
return node;
}
}
// If we can't find any matching node, we create a new one
return createNode();
})();
resultNode.claim_order = nodes.claim_info.total_claimed;
nodes.claim_info.total_claimed += 1;
return resultNode;
}
/**
* @param {ChildNodeArray} nodes
* @param {string} name
* @param {{ [key: string]: boolean }} attributes
* @param {(name: string) => Element | SVGElement} create_element
* @returns {Element | SVGElement}
*/
function claim_element_base(nodes, name, attributes, create_element) {
return claim_node(
nodes,
/** @returns {node is Element | SVGElement} */
(node) => node.nodeName === name,
/** @param {Element} node */
(node) => {
const remove = [];
for (let j = 0; j < node.attributes.length; j++) {
const attribute = node.attributes[j];
if (!attributes[attribute.name]) {
remove.push(attribute.name);
}
}
remove.forEach((v) => node.removeAttribute(v));
return undefined;
},
() => create_element(name)
);
}
/**
* @param {ChildNodeArray} nodes
* @param {string} name
* @param {{ [key: string]: boolean }} attributes
* @returns {Element | SVGElement}
*/
function claim_element(nodes, name, attributes) {
return claim_element_base(nodes, name, attributes, element);
}
/**
* @param {ChildNodeArray} nodes
* @param {string} name
* @param {{ [key: string]: boolean }} attributes
* @returns {Element | SVGElement}
*/
function claim_svg_element(nodes, name, attributes) {
return claim_element_base(nodes, name, attributes, svg_element);
}
/**
* @param {ChildNodeArray} nodes
* @returns {Text}
*/
function claim_text(nodes, data) {
return claim_node(
nodes,
/** @returns {node is Text} */
(node) => node.nodeType === 3,
/** @param {Text} node */
(node) => {
const dataStr = '' + data;
if (node.data.startsWith(dataStr)) {
if (node.data.length !== dataStr.length) {
return node.splitText(dataStr.length);
}
} else {
node.data = dataStr;
}
},
() => text(data),
true // Text nodes should not update last index since it is likely not worth it to eliminate an increasing subsequence of actual elements
);
}
/**
* @returns {Text} */
function claim_space(nodes) {
return claim_text(nodes, ' ');
}
/**
* @param {ChildNodeArray} nodes
* @returns {Comment}
*/
function claim_comment(nodes, data) {
return claim_node(
nodes,
/** @returns {node is Comment} */
(node) => node.nodeType === 8,
/** @param {Comment} node */
(node) => {
node.data = '' + data;
return undefined;
},
() => comment(data),
true
);
}
function find_comment(nodes, text, start) {
for (let i = start; i < nodes.length; i += 1) {
const node = nodes[i];
if (node.nodeType === 8 /* comment node */ && node.textContent.trim() === text) {
return i;
}
}
return nodes.length;
}
/**
* @param {boolean} is_svg
* @returns {HtmlTagHydration}
*/
function claim_html_tag(nodes, is_svg) {
// find html opening tag
const start_index = find_comment(nodes, 'HTML_TAG_START', 0);
const end_index = find_comment(nodes, 'HTML_TAG_END', start_index);
if (start_index === end_index) {
return new HtmlTagHydration(undefined, is_svg);
}
init_claim_info(nodes);
const html_tag_nodes = nodes.splice(start_index, end_index - start_index + 1);
detach(html_tag_nodes[0]);
detach(html_tag_nodes[html_tag_nodes.length - 1]);
const claimed_nodes = html_tag_nodes.slice(1, html_tag_nodes.length - 1);
for (const n of claimed_nodes) {
n.claim_order = nodes.claim_info.total_claimed;
nodes.claim_info.total_claimed += 1;
}
return new HtmlTagHydration(claimed_nodes, is_svg);
}
/**
* @param {Text} text
* @param {unknown} data
* @returns {void}
*/
function set_data(text, data) {
data = '' + data;
if (text.data === data) return;
text.data = /** @type {string} */ (data);
}
/**
* @param {Text} text
* @param {unknown} data
* @returns {void}
*/
function set_data_contenteditable(text, data) {
data = '' + data;
if (text.wholeText === data) return;
text.data = /** @type {string} */ (data);
}
/**
* @param {Text} text
* @param {unknown} data
* @param {string} attr_value
* @returns {void}
*/
function set_data_maybe_contenteditable(text, data, attr_value) {
if (~contenteditable_truthy_values.indexOf(attr_value)) {
set_data_contenteditable(text, data);
} else {
set_data(text, data);
}
}
/**
* @returns {void} */
function set_input_value(input, value) {
input.value = value == null ? '' : value;
}
/**
* @returns {void} */
function set_input_type(input, type) {
try {
input.type = type;
} catch (e) {
// do nothing
}
}
/**
* @returns {void} */
function set_style(node, key, value, important) {
if (value == null) {
node.style.removeProperty(key);
} else {
node.style.setProperty(key, value, important ? 'important' : '');
}
}
/**
* @returns {void} */
function select_option(select, value, mounting) {
for (let i = 0; i < select.options.length; i += 1) {
const option = select.options[i];
if (option.__value === value) {
option.selected = true;
return;
}
}
if (!mounting || value !== undefined) {
select.selectedIndex = -1; // no option should be selected
}
}
/**
* @returns {void} */
function select_options(select, value) {
for (let i = 0; i < select.options.length; i += 1) {
const option = select.options[i];
option.selected = ~value.indexOf(option.__value);
}
}
function select_value(select) {
const selected_option = select.querySelector(':checked');
return selected_option && selected_option.__value;
}
function select_multiple_value(select) {
return [].map.call(select.querySelectorAll(':checked'), (option) => option.__value);
}
// unfortunately this can't be a constant as that wouldn't be tree-shakeable
// so we cache the result instead
/**
* @type {boolean} */
let crossorigin;
/**
* @returns {boolean} */
function is_crossorigin() {
if (crossorigin === undefined) {
crossorigin = false;
try {
if (typeof window !== 'undefined' && window.parent) {
void window.parent.document;
}
} catch (error) {
crossorigin = true;
}
}
return crossorigin;
}
/**
* @param {HTMLElement} node
* @param {() => void} fn
* @returns {() => void}
*/
function add_iframe_resize_listener(node, fn) {
const computed_style = getComputedStyle(node);
if (computed_style.position === 'static') {
node.style.position = 'relative';
}
const iframe = element('iframe');
iframe.setAttribute(
'style',
'display: block; position: absolute; top: 0; left: 0; width: 100%; height: 100%; ' +
'overflow: hidden; border: 0; opacity: 0; pointer-events: none; z-index: -1;'
);
iframe.setAttribute('aria-hidden', 'true');
iframe.tabIndex = -1;
const crossorigin = is_crossorigin();
/**
* @type {() => void}
*/
let unsubscribe;
if (crossorigin) {
iframe.src = "data:text/html,<script>onresize=function(){parent.postMessage(0,'*')}</script>";
unsubscribe = listen(
window,
'message',
/** @param {MessageEvent} event */ (event) => {
if (event.source === iframe.contentWindow) fn();
}
);
} else {
iframe.src = 'about:blank';
iframe.onload = () => {
unsubscribe = listen(iframe.contentWindow, 'resize', fn);
// make sure an initial resize event is fired _after_ the iframe is loaded (which is asynchronous)
// see https://github.com/sveltejs/svelte/issues/4233
fn();
};
}
append(node, iframe);
return () => {
if (crossorigin) {
unsubscribe();
} else if (unsubscribe && iframe.contentWindow) {
unsubscribe();
}
detach(iframe);
};
}
const resize_observer_content_box = /* @__PURE__ */ new ResizeObserverSingleton({
box: 'content-box'
});
const resize_observer_border_box = /* @__PURE__ */ new ResizeObserverSingleton({
box: 'border-box'
});
const resize_observer_device_pixel_content_box = /* @__PURE__ */ new ResizeObserverSingleton(
{ box: 'device-pixel-content-box' }
);
/**
* @returns {void} */
function toggle_class(element, name, toggle) {
element.classList[toggle ? 'add' : 'remove'](name);
}
/**
* @template T
* @param {string} type
* @param {T} [detail]
* @returns {CustomEvent<T>}
*/
function custom_event(type, detail, { bubbles = false, cancelable = false } = {}) {
/**
* @type {CustomEvent<T>} */
const e = document.createEvent('CustomEvent');
e.initCustomEvent(type, bubbles, cancelable, detail);
return e;
}
/**
* @param {string} selector
* @param {HTMLElement} parent
* @returns {ChildNodeArray}
*/
function query_selector_all(selector, parent = document.body) {
return Array.from(parent.querySelectorAll(selector));
}
/**
* @param {string} nodeId
* @param {HTMLElement} head
* @returns {any[]}
*/
function head_selector(nodeId, head) {
const result = [];
let started = 0;
for (const node of head.childNodes) {
if (node.nodeType === 8 /* comment node */) {
const comment = node.textContent.trim();
if (comment === `HEAD_${nodeId}_END`) {
started -= 1;
result.push(node);
} else if (comment === `HEAD_${nodeId}_START`) {
started += 1;
result.push(node);
}
} else if (started > 0) {
result.push(node);
}
}
return result;
}
/** */
class HtmlTag {
/**
* @private
* @default false
*/
__init() {this.is_svg = false;}
// parent for creating node
/** */
__init2() {this.e = undefined;}
// html tag nodes
/** */
__init3() {this.n = undefined;}
// target
/** */
__init4() {this.t = undefined;}
// anchor
/** */
__init5() {this.a = undefined;}
constructor(is_svg = false) {HtmlTag.prototype.__init.call(this);HtmlTag.prototype.__init2.call(this);HtmlTag.prototype.__init3.call(this);HtmlTag.prototype.__init4.call(this);HtmlTag.prototype.__init5.call(this);
this.is_svg = is_svg;
this.e = this.n = null;
}
/**
* @param {string} html
* @returns {void}
*/
c(html) {
this.h(html);
}
/**
* @param {string} html
* @param {HTMLElement | SVGElement} target
* @param {HTMLElement | SVGElement} anchor
* @returns {void}
*/
m(html, target, anchor = null) {
if (!this.e) {
if (this.is_svg)
this.e = svg_element(/** @type {keyof SVGElementTagNameMap} */ (target.nodeName));
/** #7364 target for <template> may be provided as #document-fragment(11) */ else
this.e = element(
/** @type {keyof HTMLElementTagNameMap} */ (
target.nodeType === 11 ? 'TEMPLATE' : target.nodeName
)
);
this.t =
target.tagName !== 'TEMPLATE'
? target
: /** @type {HTMLTemplateElement} */ (target).content;
this.c(html);
}
this.i(anchor);
}
/**
* @param {string} html
* @returns {void}
*/
h(html) {
this.e.innerHTML = html;
this.n = Array.from(
this.e.nodeName === 'TEMPLATE' ? this.e.content.childNodes : this.e.childNodes
);
}
/**
* @returns {void} */
i(anchor) {
for (let i = 0; i < this.n.length; i += 1) {
insert(this.t, this.n[i], anchor);
}
}
/**
* @param {string} html
* @returns {void}
*/
p(html) {
this.d();
this.h(html);
this.i(this.a);
}
/**
* @returns {void} */
d() {
this.n.forEach(detach);
}
}
/**
* @extends HtmlTag */
class HtmlTagHydration extends HtmlTag {
// hydration claimed nodes
/** */
__init6() {this.l = undefined;}
constructor(claimed_nodes, is_svg = false) {
super(is_svg);HtmlTagHydration.prototype.__init6.call(this); this.e = this.n = null;
this.l = claimed_nodes;
}
/**
* @param {string} html
* @returns {void}
*/
c(html) {
if (this.l) {
this.n = this.l;
} else {
super.c(html);
}
}
/**
* @returns {void} */
i(anchor) {
for (let i = 0; i < this.n.length; i += 1) {
insert_hydration(this.t, this.n[i], anchor);
}
}
}
/**
* @param {NamedNodeMap} attributes
* @returns {{}}
*/
function attribute_to_object(attributes) {
const result = {};
for (const attribute of attributes) {
result[attribute.name] = attribute.value;
}
return result;
}
/**
* @param {HTMLElement} element
* @returns {{}}
*/
function get_custom_elements_slots(element) {
const result = {};
element.childNodes.forEach(
/** @param {Element} node */ (node) => {
result[node.slot || 'default'] = true;
}
);
return result;
}
function construct_svelte_component(component, props) {
return new component(props);
}
/**
* @typedef {Node & {
* claim_order?: number;
* hydrate_init?: true;
* actual_end_child?: NodeEx;
* childNodes: NodeListOf<NodeEx>;
* }} NodeEx
*/
/** @typedef {ChildNode & NodeEx} ChildNodeEx */
/** @typedef {NodeEx & { claim_order: number }} NodeEx2 */
/**
* @typedef {ChildNodeEx[] & {
* claim_info?: {
* last_index: number;
* total_claimed: number;
* };
* }} ChildNodeArray
*/
// we need to store the information for multiple documents because a Svelte application could also contain iframes
// https://github.com/sveltejs/svelte/issues/3624
/** @type {Map<Document | ShadowRoot, import('./private.d.ts').StyleInformation>} */
const managed_styles = new Map();
let active = 0;
// https://github.com/darkskyapp/string-hash/blob/master/index.js
/**
* @param {string} str
* @returns {number}
*/
function hash(str) {
let hash = 5381;
let i = str.length;
while (i--) hash = ((hash << 5) - hash) ^ str.charCodeAt(i);
return hash >>> 0;
}
/**
* @param {Document | ShadowRoot} doc
* @param {Element & ElementCSSInlineStyle} node
* @returns {{ stylesheet: any; rules: {}; }}
*/
function create_style_information(doc, node) {
const info = { stylesheet: append_empty_stylesheet(node), rules: {} };
managed_styles.set(doc, info);
return info;
}
/**
* @param {Element & ElementCSSInlineStyle} node
* @param {number} a
* @param {number} b
* @param {number} duration
* @param {number} delay
* @param {(t: number) => number} ease
* @param {(t: number, u: number) => string} fn
* @param {number} uid
* @returns {string}
*/
function create_rule(node, a, b, duration, delay, ease, fn, uid = 0) {
const step = 16.666 / duration;
let keyframes = '{\n';
for (let p = 0; p <= 1; p += step) {
const t = a + (b - a) * ease(p);
keyframes += p * 100 + `%{${fn(t, 1 - t)}}\n`;
}
const rule = keyframes + `100% {${fn(b, 1 - b)}}\n}`;
const name = `__svelte_${hash(rule)}_${uid}`;
const doc = get_root_for_style(node);
const { stylesheet, rules } = managed_styles.get(doc) || create_style_information(doc, node);
if (!rules[name]) {
rules[name] = true;
stylesheet.insertRule(`@keyframes ${name} ${rule}`, stylesheet.cssRules.length);
}
const animation = node.style.animation || '';
node.style.animation = `${
animation ? `${animation}, ` : ''
}${name} ${duration}ms linear ${delay}ms 1 both`;
active += 1;
return name;
}
/**
* @param {Element & ElementCSSInlineStyle} node
* @param {string} [name]
* @returns {void}
*/
function delete_rule(node, name) {
const previous = (node.style.animation || '').split(', ');
const next = previous.filter(
name
? (anim) => anim.indexOf(name) < 0 // remove specific animation
: (anim) => anim.indexOf('__svelte') === -1 // remove all Svelte animations
);
const deleted = previous.length - next.length;
if (deleted) {
node.style.animation = next.join(', ');
active -= deleted;
if (!active) clear_rules();
}
}
/** @returns {void} */
function clear_rules() {
raf(() => {
if (active) return;
managed_styles.forEach((info) => {
const { ownerNode } = info.stylesheet;
// there is no ownerNode if it runs on jsdom.
if (ownerNode) detach(ownerNode);
});
managed_styles.clear();
});
}
let current_component;
/** @returns {void} */
function set_current_component(component) {
current_component = component;
}
function get_current_component() {
if (!current_component) throw new Error('Function called outside component initialization');
return current_component;
}
/**
* 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`
*
* https://svelte.dev/docs#run-time-svelte-beforeupdate
* @param {() => any} fn
* @returns {void}
*/
function beforeUpdate(fn) {
get_current_component().$$.before_update.push(fn);
}
/**
* The `onMount` function schedules a callback to run as soon as the component has been mounted to the DOM.
* It must be called during the component's initialisation (but doesn't need to live *inside* the component;
* it can be called from an external module).
*
* If a function is returned _synchronously_ from `onMount`, it will be called when the component is unmounted.
*
* `onMount` does not run inside a [server-side component](/docs#run-time-server-side-component-api).
*
* https://svelte.dev/docs#run-time-svelte-onmount
* @template T
* @param {() => T extends Promise<() => any>
* ? "Returning a function asynchronously from onMount won't call that function on destroy"
* : T} fn
* @returns {void}
*/
function onMount(fn) {
get_current_component().$$.on_mount.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`
* @param {() => any} fn
* @returns {void}
*/
function afterUpdate(fn) {
get_current_component().$$.after_update.push(fn);
}
/**
* Schedules a callback to run immediately before the component is unmounted.
*
* Out of `onMount`, `beforeUpdate`, `afterUpdate` and `onDestroy`, this is the
* only one that runs inside a server-side component.
*
* https://svelte.dev/docs#run-time-svelte-ondestroy
* @param {() => any} fn
* @returns {void}
*/
function onDestroy(fn) {
get_current_component().$$.on_destroy.push(fn);
}
/**
* Creates an event dispatcher that can be used to dispatch [component events](/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#run-time-svelte-createeventdispatcher
* @template {Record<string, any>} [EventMap=any]
* @returns {import('./public.js').EventDispatcher<EventMap>}
*/
function createEventDispatcher() {
const component = get_current_component();
return (type, detail, { cancelable = false } = {}) => {
const callbacks = component.$$.callbacks[type];
if (callbacks) {
// TODO are there situations where events could be dispatched
// in a server (non-DOM) environment?
const event = custom_event(/** @type {string} */ (type), detail, { cancelable });
callbacks.slice().forEach((fn) => {
fn.call(component, event);
});
return !event.defaultPrevented;
}
return true;
};
}
/**
* Associates an arbitrary `context` object with the current component and the specified `key`
* and returns that object. The context is then available to children of the component
* (including slotted content) with `getContext`.
*
* Like lifecycle functions, this must be called during component initialisation.
*
* https://svelte.dev/docs#run-time-svelte-setcontext
* @template T
* @param {any} key
* @param {T} context
* @returns {T}
*/
function setContext(key, context) {
get_current_component().$$.context.set(key, context);
return context;
}
/**
* Retrieves the context that belongs to the closest parent component with the specified `key`.
* Must be called during component initialisation.
*
* https://svelte.dev/docs#run-time-svelte-getcontext
* @template T
* @param {any} key
* @returns {T}
*/
function getContext(key) {
return get_current_component().$$.context.get(key);
}
/**
* Retrieves the whole context map that belongs to the closest parent component.
* Must be called during component initialisation. Useful, for example, if you
* programmatically create a component and want to pass the existing context to it.
*
* https://svelte.dev/docs#run-time-svelte-getallcontexts
* @template {Map<any, any>} [T=Map<any, any>]
* @returns {T}
*/
function getAllContexts() {
return get_current_component().$$.context;
}
/**
* Checks whether a given `key` has been set in the context of a parent component.
* Must be called during component initialisation.
*
* https://svelte.dev/docs#run-time-svelte-hascontext
* @param {any} key
* @returns {boolean}
*/
function hasContext(key) {
return get_current_component().$$.context.has(key);
}
// TODO figure out if we still want to support
// shorthand events, or if we want to implement
// a real bubbling mechanism
/**
* @param component
* @param event
* @returns {void}
*/
function bubble(component, event) {
const callbacks = component.$$.callbacks[event.type];
if (callbacks) {
// @ts-ignore
callbacks.slice().forEach((fn) => fn.call(this, event));
}
}
const dirty_components = [];
const intros = { enabled: false };
const binding_callbacks = [];
let render_callbacks = [];
const flush_callbacks = [];
const resolved_promise = /* @__PURE__ */ Promise.resolve();
let update_scheduled = false;
/** @returns {void} */
function schedule_update() {
if (!update_scheduled) {
update_scheduled = true;
resolved_promise.then(flush);
}
}
/** @returns {Promise<void>} */
function tick() {
schedule_update();
return resolved_promise;
}
/** @returns {void} */
function add_render_callback(fn) {
render_callbacks.push(fn);
}
/** @returns {void} */
function add_flush_callback(fn) {
flush_callbacks.push(fn);
}
// flush() calls callbacks in this order:
// 1. All beforeUpdate callbacks, in order: parents before children
// 2. All bind:this callbacks, in reverse order: children before parents.
// 3. All afterUpdate callbacks, in order: parents before children. EXCEPT
// for afterUpdates called during the initial onMount, which are called in
// reverse order: children before parents.
// Since callbacks might update component values, which could trigger another
// call to flush(), the following steps guard against this:
// 1. During beforeUpdate, any updated components will be added to the
// dirty_components array and will cause a reentrant call to flush(). Because
// the flush index is kept outside the function, the reentrant call will pick
// up where the earlier call left off and go through all dirty components. The
// current_component value is saved and restored so that the reentrant call will
// not interfere with the "parent" flush() call.
// 2. bind:this callbacks cannot trigger new flush() calls.
// 3. During afterUpdate, any updated components will NOT have their afterUpdate
// callback called a second time; the seen_callbacks set, outside the flush()
// function, guarantees this behavior.
const seen_callbacks = new Set();
let flushidx = 0; // Do *not* move this inside the flush() function
/** @returns {void} */
function flush() {
// Do not reenter flush while dirty components are updated, as this can
// result in an infinite loop. Instead, let the inner flush handle it.
// Reentrancy is ok afterwards for bindings etc.
if (flushidx !== 0) {
return;
}
const saved_component = current_component;
do {
// first, call beforeUpdate functions
// and update components
try {
while (flushidx < dirty_components.length) {
const component = dirty_components[flushidx];
flushidx++;
set_current_component(component);
update(component.$$);
}
} catch (e) {
// reset dirty state to not end up in a deadlocked state and then rethrow
dirty_components.length = 0;
flushidx = 0;
throw e;
}
set_current_component(null);
dirty_components.length = 0;
flushidx = 0;
while (binding_callbacks.length) binding_callbacks.pop()();
// then, once components are updated, call
// afterUpdate functions. This may cause
// subsequent updates...
for (let i = 0; i < render_callbacks.length; i += 1) {
const callback = render_callbacks[i];
if (!seen_callbacks.has(callback)) {
// ...so guard against infinite loops
seen_callbacks.add(callback);
callback();
}
}
render_callbacks.length = 0;
} while (dirty_components.length);
while (flush_callbacks.length) {
flush_callbacks.pop()();
}
update_scheduled = false;
seen_callbacks.clear();
set_current_component(saved_component);
}
/** @returns {void} */
function update($$) {
if ($$.fragment !== null) {
$$.update();
run_all($$.before_update);
const dirty = $$.dirty;
$$.dirty = [-1];
$$.fragment && $$.fragment.p($$.ctx, dirty);
$$.after_update.forEach(add_render_callback);
}
}
/**
* Useful for example to execute remaining `afterUpdate` callbacks before executing `destroy`.
* @param {Function[]} fns
* @returns {void}
*/
function flush_render_callbacks(fns) {
const filtered = [];
const targets = [];
render_callbacks.forEach((c) => (fns.indexOf(c) === -1 ? filtered.push(c) : targets.push(c)));
targets.forEach((c) => c());
render_callbacks = filtered;
}
/**
* @type {Promise<void> | null}
*/
let promise;
/**
* @returns {Promise<void>}
*/
function wait() {
if (!promise) {
promise = Promise.resolve();
promise.then(() => {
promise = null;
});
}
return promise;
}
/**
* @param {Element} node
* @param {INTRO | OUTRO | boolean} direction
* @param {'start' | 'end'} kind
* @returns {void}
*/
function dispatch(node, direction, kind) {
node.dispatchEvent(custom_event(`${direction ? 'intro' : 'outro'}${kind}`));
}
const outroing = new Set();
/**
* @type {Outro}
*/
let outros;
/**
* @returns {void} */
function group_outros() {
outros = {
r: 0,
c: [],
p: outros // parent group
};
}
/**
* @returns {void} */
function check_outros() {
if (!outros.r) {
run_all(outros.c);
}
outros = outros.p;
}
/**
* @param {import('./private.js').Fragment} block
* @param {0 | 1} [local]
* @returns {void}
*/
function transition_in(block, local) {
if (block && block.i) {
outroing.delete(block);
block.i(local);
}
}
/**
* @param {import('./private.js').Fragment} block
* @param {0 | 1} local
* @param {0 | 1} detach
* @returns {void}
*/
function transition_out(block, local, detach, callback) {
if (block && block.o) {
if (outroing.has(block)) return;
outroing.add(block);
outros.c.push(() => {
outroing.delete(block);
if (callback) {
if (detach) block.d(1);
callback();
}
});
block.o(local);
} else if (callback) {
callback();
}
}
/**
* @type {import('../transition/public.js').TransitionConfig}
*/
const null_transition = { duration: 0 };
/**
* @param {Element & ElementCSSInlineStyle} node
* @param {TransitionFn} fn
* @param {any} params
* @returns {{ start(): void; invalidate(): void; end(): void; }}
*/
function create_in_transition(node, fn, params) {
/**
* @type {TransitionOptions} */
const options = { direction: 'in' };
let config = fn(node, params, options);
let running = false;
let animation_name;
let task;
let uid = 0;
/**
* @returns {void} */
function cleanup() {
if (animation_name) delete_rule(node, animation_name);
}
/**
* @returns {void} */
function go() {
const {
delay = 0,
duration = 300,
easing = identity,
tick = noop,
css
} = config || null_transition;
if (css) animation_name = create_rule(node, 0, 1, duration, delay, easing, css, uid++);
tick(0, 1);
const start_time = now() + delay;
const end_time = start_time + duration;
if (task) task.abort();
running = true;
add_render_callback(() => dispatch(node, true, 'start'));
task = loop((now) => {
if (running) {
if (now >= end_time) {
tick(1, 0);
dispatch(node, true, 'end');
cleanup();
return (running = false);
}
if (now >= start_time) {
const t = easing((now - start_time) / duration);
tick(t, 1 - t);
}
}
return running;
});
}
let started = false;
return {
start() {
if (started) return;
started = true;
delete_rule(node);
if (is_function(config)) {
config = config(options);
wait().then(go);
} else {
go();
}
},
invalidate() {
started = false;
},
end() {
if (running) {
cleanup();
running = false;
}
}
};
}
/**
* @param {Element & ElementCSSInlineStyle} node
* @param {TransitionFn} fn
* @param {any} params
* @returns {{ end(reset: any): void; }}
*/
function create_out_transition(node, fn, params) {
/**
* @type {TransitionOptions} */
const options = { direction: 'out' };
let config = fn(node, params, options);
let running = true;
let animation_name;
const group = outros;
group.r += 1;
/**
* @returns {void} */
function go() {
const {
delay = 0,
duration = 300,
easing = identity,
tick = noop,
css
} = config || null_transition;
if (css) animation_name = create_rule(node, 1, 0, duration, delay, easing, css);
const start_time = now() + delay;
const end_time = start_time + duration;
add_render_callback(() => dispatch(node, false, 'start'));
loop((now) => {
if (running) {
if (now >= end_time) {
tick(0, 1);
dispatch(node, false, 'end');
if (!--group.r) {
// this will result in `end()` being called,
// so we don't need to clean up here
run_all(group.c);
}
return false;
}
if (now >= start_time) {
const t = easing((now - start_time) / duration);
tick(1 - t, t);
}
}
return running;
});
}
if (is_function(config)) {
wait().then(() => {
// @ts-ignore
config = config(options);
go();
});
} else {
go();
}
return {
end(reset) {
if (reset && config.tick) {
config.tick(1, 0);
}
if (running) {
if (animation_name) delete_rule(node, animation_name);
running = false;
}
}
};
}
/**
* @param {Element & ElementCSSInlineStyle} node
* @param {TransitionFn} fn
* @param {any} params
* @param {boolean} intro
* @returns {{ run(b: 0 | 1): void; end(): void; }}
*/
function create_bidirectional_transition(node, fn, params, intro) {
/**
* @type {TransitionOptions} */
const options = { direction: 'both' };
let config = fn(node, params, options);
let t = intro ? 0 : 1;
/**
* @type {Program | null} */
let running_program = null;
/**
* @type {PendingProgram | null} */
let pending_program = null;
let animation_name = null;
/**
* @returns {void} */
function clear_animation() {
if (animation_name) delete_rule(node, animation_name);
}
/**
* @param {PendingProgram} program
* @param {number} duration
* @returns {Program}
*/
function init(program, duration) {
const d = /** @type {Program['d']} */ (program.b - t);
duration *= Math.abs(d);
return {
a: t,
b: program.b,
d,
duration,
start: program.start,
end: program.start + duration,
group: program.group
};
}
/**
* @param {INTRO | OUTRO} b
* @returns {void}
*/
function go(b) {
const {
delay = 0,
duration = 300,
easing = identity,
tick = noop,
css
} = config || null_transition;
/**
* @type {PendingProgram} */
const program = {
start: now() + delay,
b
};
if (!b) {
// @ts-ignore todo: improve typings
program.group = outros;
outros.r += 1;
}
if (running_program || pending_program) {
pending_program = program;
} else {
// if this is an intro, and there's a delay, we need to do
// an initial tick and/or apply CSS animation immediately
if (css) {
clear_animation();
animation_name = create_rule(node, t, b, duration, delay, easing, css);
}
if (b) tick(0, 1);
running_program = init(program, duration);
add_render_callback(() => dispatch(node, b, 'start'));
loop((now) => {
if (pending_program && now > pending_program.start) {
running_program = init(pending_program, duration);
pending_program = null;
dispatch(node, running_program.b, 'start');
if (css) {
clear_animation();
animation_name = create_rule(
node,
t,
running_program.b,
running_program.duration,
0,
easing,
config.css
);
}
}
if (running_program) {
if (now >= running_program.end) {
tick((t = running_program.b), 1 - t);
dispatch(node, running_program.b, 'end');
if (!pending_program) {
// we're done
if (running_program.b) {
// intro — we can tidy up immediately
clear_animation();
} else {
// outro — needs to be coordinated
if (!--running_program.group.r) run_all(running_program.group.c);
}
}
running_program = null;
} else if (now >= running_program.start) {
const p = now - running_program.start;
t = running_program.a + running_program.d * easing(p / running_program.duration);
tick(t, 1 - t);
}
}
return !!(running_program || pending_program);
});
}
}
return {
run(b) {
if (is_function(config)) {
wait().then(() => {
const opts = { direction: b ? 'in' : 'out' };
// @ts-ignore
config = config(opts);
go(b);
});
} else {
go(b);
}
},
end() {
clear_animation();
running_program = pending_program = null;
}
};
}
/** @typedef {1} INTRO */
/** @typedef {0} OUTRO */
/** @typedef {{ direction: 'in' | 'out' | 'both' }} TransitionOptions */
/** @typedef {(node: Element, params: any, options: TransitionOptions) => import('../transition/public.js').TransitionConfig} TransitionFn */
/**
* @typedef {Object} Outro
* @property {number} r
* @property {Function[]} c
* @property {Object} p
*/
/**
* @typedef {Object} PendingProgram
* @property {number} start
* @property {INTRO|OUTRO} b
* @property {Outro} [group]
*/
/**
* @typedef {Object} Program
* @property {number} a
* @property {INTRO|OUTRO} b
* @property {1|-1} d
* @property {number} duration
* @property {number} start
* @property {number} end
* @property {Outro} [group]
*/
function _optionalChain(ops) { let lastAccessLHS = undefined; let value = ops[0]; let i = 1; while (i < ops.length) { const op = ops[i]; const fn = ops[i + 1]; i += 2; if ((op === 'optionalAccess' || op === 'optionalCall') && value == null) { return undefined; } if (op === 'access' || op === 'optionalAccess') { lastAccessLHS = value; value = fn(value); } else if (op === 'call' || op === 'optionalCall') { value = fn((...args) => value.call(lastAccessLHS, ...args)); lastAccessLHS = undefined; } } return value; } var _class;
/** @returns {void} */
function bind(component, name, callback) {
const index = component.$$.props[name];
if (index !== undefined) {
component.$$.bound[index] = callback;
callback(component.$$.ctx[index]);
}
}
/** @returns {void} */
function create_component(block) {
block && block.c();
}
/** @returns {void} */
function claim_component(block, parent_nodes) {
block && block.l(parent_nodes);
}
/** @returns {void} */
function mount_component(component, target, anchor) {
const { fragment, after_update } = component.$$;
fragment && fragment.m(target, anchor);
// onMount happens before the initial afterUpdate
add_render_callback(() => {
const new_on_destroy = component.$$.on_mount.map(run).filter(is_function);
// if the component was destroyed immediately
// it will update the `$$.on_destroy` reference to `null`.
// the destructured on_destroy may still reference to the old array
if (component.$$.on_destroy) {
component.$$.on_destroy.push(...new_on_destroy);
} else {
// Edge case - component was destroyed immediately,
// most likely as a result of a binding initialising
run_all(new_on_destroy);
}
component.$$.on_mount = [];
});
after_update.forEach(add_render_callback);
}
/** @returns {void} */
function destroy_component(component, detaching) {
const $$ = component.$$;
if ($$.fragment !== null) {
flush_render_callbacks($$.after_update);
run_all($$.on_destroy);
$$.fragment && $$.fragment.d(detaching);
// TODO null out other refs, including component.$$ (but need to
// preserve final state?)
$$.on_destroy = $$.fragment = null;
$$.ctx = [];
}
}
/** @returns {void} */
function make_dirty(component, i) {
if (component.$$.dirty[0] === -1) {
dirty_components.push(component);
schedule_update();
component.$$.dirty.fill(0);
}
component.$$.dirty[(i / 31) | 0] |= 1 << i % 31;
}
/** @returns {void} */
function init(
component,
options,
instance,
create_fragment,
not_equal,
props,
append_styles,
dirty = [-1]
) {
const parent_component = current_component;
set_current_component(component);
/** @type {import('./private.js').T$$} */
const $$ = (component.$$ = {
fragment: null,
ctx: [],
// state
props,
update: noop,
not_equal,
bound: blank_object(),
// lifecycle
on_mount: [],
on_destroy: [],
on_disconnect: [],
before_update: [],
after_update: [],
context: new Map(options.context || (parent_component ? parent_component.$$.context : [])),
// everything else
callbacks: blank_object(),
dirty,
skip_bound: false,
root: options.target || parent_component.$$.root
});
append_styles && append_styles($$.root);
let ready = false;
$$.ctx = instance
? instance(component, options.props || {}, (i, ret, ...rest) => {
const value = rest.length ? rest[0] : ret;
if ($$.ctx && not_equal($$.ctx[i], ($$.ctx[i] = value))) {
if (!$$.skip_bound && $$.bound[i]) $$.bound[i](value);
if (ready) make_dirty(component, i);
}
return ret;
})
: [];
$$.update();
ready = true;
run_all($$.before_update);
// `false` as a special case of no DOM component
$$.fragment = create_fragment ? create_fragment($$.ctx) : false;
if (options.target) {
if (options.hydrate) {
start_hydrating();
const nodes = children(options.target);
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
$$.fragment && $$.fragment.l(nodes);
nodes.forEach(detach);
} else {
// eslint-disable-next-line @typescript-eslint/no-non-null-assertion
$$.fragment && $$.fragment.c();
}
if (options.intro) transition_in(component.$$.fragment);
mount_component(component, options.target, options.anchor);
end_hydrating();
flush();
}
set_current_component(parent_component);
}
let SvelteElement;
if (typeof HTMLElement === 'function') {
SvelteElement = (_class = class extends HTMLElement {
__init() {this.$$connected = false;}
__init2() {this.$$data = {};}
__init3() {this.$$reflecting = false;}
/** @type {Record<string, CustomElementPropDefinition>} */
__init4() {this.$$props_definition = {};}
/** @type {Record<string, Function[]>} */
__init5() {this.$$listeners = {};}
/** @type {Map<Function, Function>} */
__init6() {this.$$listener_unsubscribe_fns = new Map();}
constructor($$componentCtor, $$slots, use_shadow_dom) {
super();_class.prototype.__init.call(this);_class.prototype.__init2.call(this);_class.prototype.__init3.call(this);_class.prototype.__init4.call(this);_class.prototype.__init5.call(this);_class.prototype.__init6.call(this); this.$$componentCtor = $$componentCtor;
this.$$slots = $$slots;
if (use_shadow_dom) {
this.attachShadow({ mode: 'open' });
}
}
addEventListener(type, listener, options) {
// We can't determine upfront if the event is a custom event or not, so we have to
// listen to both. If someone uses a custom event with the same name as a regular
// browser event, this fires twice - we can't avoid that.
this.$$listeners[type] = this.$$listeners[type] || [];
this.$$listeners[type].push(listener);
if (this.$$component) {
const unsub = this.$$component.$on(type, listener);
this.$$listener_unsubscribe_fns.set(listener, unsub);
}
super.addEventListener(type, listener, options);
}
removeEventListener(type, listener, options) {
super.removeEventListener(type, listener, options);
if (this.$$component) {
const unsub = this.$$listener_unsubscribe_fns.get(listener);
if (unsub) {
unsub();
this.$$listener_unsubscribe_fns.delete(listener);
}
}
}
async connectedCallback() {
this.$$connected = true;
if (!this.$$component) {
// We wait one tick to let possible child slot elements be created/mounted
await Promise.resolve();
if (!this.$$connected) {
return;
}
function create_slot(name) {
return () => {
let node;
const obj = {
c: function create() {
node = document.createElement('slot');
if (name !== 'default') {
node.setAttribute('name', name);
}
},
m: function mount(target, anchor) {
insert(target, node, anchor);
},
d: function destroy(detaching) {
if (detaching) {
detach(node);
}
}
};
return obj;
};
}
const $$slots = {};
const existing_slots = get_custom_elements_slots(this);
for (const name of this.$$slots) {
if (name in existing_slots) {
$$slots[name] = [create_slot(name)];
}
}
for (const attribute of this.attributes) {
// this.$$data takes precedence over this.attributes
const name = this.$$get_prop_name(attribute.name);
if (!(name in this.$$data)) {
this.$$data[name] = get_custom_element_value(
name,
attribute.value,
this.$$props_definition,
'toProp'
);
}
}
this.$$component = new this.$$componentCtor({
target: this.shadowRoot || this,
props: {
...this.$$data,
$$slots,
$$scope: {
ctx: []
}
}
});
for (const type in this.$$listeners) {
for (const listener of this.$$listeners[type]) {
const unsub = this.$$component.$on(type, listener);
this.$$listener_unsubscribe_fns.set(listener, unsub);
}
}
this.$$listeners = {};
}
}
// We don't need this when working within Svelte code, but for compatibility of people using this outside of Svelte
// and setting attributes through setAttribute etc, this is helpful
attributeChangedCallback(attr, _oldValue, newValue) {
if (this.$$reflecting) return;
attr = this.$$get_prop_name(attr);
this.$$data[attr] = get_custom_element_value(
attr,
newValue,
this.$$props_definition,
'toProp'
);
this.$$component.$set({ [attr]: this.$$data[attr] });
}
disconnectedCallback() {
this.$$connected = false;
// In a microtask, because this could be a move within the DOM
Promise.resolve().then(() => {
if (!this.$$connected) {
this.$$component.$destroy();
this.$$component = undefined;
}
});
}
$$get_prop_name(attribute_name) {
return (
Object.keys(this.$$props_definition).find(
(key) =>
this.$$props_definition[key].attribute === attribute_name ||
(!this.$$props_definition[key].attribute && key.toLowerCase() === attribute_name)
) || attribute_name
);
}
}, _class);
}
/**
* @param {string} prop
* @param {any} value
* @param {Record<string, CustomElementPropDefinition>} props_definition
* @param {'toAttribute' | 'toProp'} [transform]
*/
function get_custom_element_value(prop, value, props_definition, transform) {
const type = _optionalChain([props_definition, 'access', _ => _[prop], 'optionalAccess', _2 => _2.type]);
value = type === 'Boolean' && typeof value !== 'boolean' ? value != null : value;
if (!transform || !props_definition[prop]) {
return value;
} else if (transform === 'toAttribute') {
switch (type) {
case 'Object':
case 'Array':
return value == null ? null : JSON.stringify(value);
case 'Boolean':
return value ? '' : null;
case 'Number':
return value == null ? null : value;
default:
return value;
}
} else {
switch (type) {
case 'Object':
case 'Array':
return value && JSON.parse(value);
case 'Boolean':
return value; // conversion already handled above
case 'Number':
return value != null ? +value : value;
default:
return value;
}
}
}
/**
* @internal
*
* Turn a Svelte component into a custom element.
* @param {import('./public.js').ComponentType} Component A Svelte component constructor
* @param {Record<string, CustomElementPropDefinition>} props_definition The props to observe
* @param {string[]} slots The slots to create
* @param {string[]} accessors Other accessors besides the ones for props the component has
* @param {boolean} use_shadow_dom Whether to use shadow DOM
*/
function create_custom_element(
Component,
props_definition,
slots,
accessors,
use_shadow_dom
) {
const Class = class extends SvelteElement {
constructor() {
super(Component, slots, use_shadow_dom);
this.$$props_definition = props_definition;
}
static get observedAttributes() {
return Object.keys(props_definition).map((key) =>
(props_definition[key].attribute || key).toLowerCase()
);
}
};
Object.keys(props_definition).forEach((prop) => {
Object.defineProperty(Class.prototype, prop, {
get() {
return this.$$component && prop in this.$$component
? this.$$component[prop]
: this.$$data[prop];
},
set(value) {
value = get_custom_element_value(prop, value, props_definition);
this.$$data[prop] = value;
_optionalChain([this, 'access', _3 => _3.$$component, 'optionalAccess', _4 => _4.$set, 'call', _5 => _5({ [prop]: value })]);
if (props_definition[prop].reflect) {
this.$$reflecting = true;
const attribute_value = get_custom_element_value(
prop,
value,
props_definition,
'toAttribute'
);
if (attribute_value == null) {
this.removeAttribute(prop);
} else {
this.setAttribute(props_definition[prop].attribute || prop, attribute_value);
}
this.$$reflecting = false;
}
}
});
});
accessors.forEach((accessor) => {
Object.defineProperty(Class.prototype, accessor, {
get() {
return _optionalChain([this, 'access', _6 => _6.$$component, 'optionalAccess', _7 => _7[accessor]]);
}
});
});
Component.element = /** @type {any} */ (Class);
return Class;
}
/**
* Base class for Svelte components. Used when dev=false.
*
* @template {Record<string, any>} [Props=any]
* @template {Record<string, any>} [Events=any]
* @implements Record<string, any>
*/
class SvelteComponent {constructor() { SvelteComponent.prototype.__init7.call(this);SvelteComponent.prototype.__init8.call(this); }
/**
* ### PRIVATE API
*
* Do not use, may change at any time
*
* @type {any}
*/
__init7() {this.$$ = undefined;}
/**
* ### PRIVATE API
*
* Do not use, may change at any time
*
* @type {any}
*/
__init8() {this.$$set = undefined;}
/** @returns {void} */
$destroy() {
destroy_component(this, 1);
this.$destroy = noop;
}
/**
* @template {Extract<keyof Events, string>} K
* @param {K} type
* @param {((e: Events[K]) => void) | null | undefined} callback
* @returns {() => void}
*/
$on(type, callback) {
if (!is_function(callback)) {
return noop;
}
const callbacks = this.$$.callbacks[type] || (this.$$.callbacks[type] = []);
callbacks.push(callback);
return () => {
const index = callbacks.indexOf(callback);
if (index !== -1) callbacks.splice(index, 1);
};
}
/**
* @param {Partial<Props>} props
* @returns {void}
*/
$set(props) {
if (this.$$set && !is_empty(props)) {
this.$$.skip_bound = true;
this.$$set(props);
this.$$.skip_bound = false;
}
}
}
/**
* @typedef {Object} CustomElementPropDefinition
* @property {string} [attribute]
* @property {boolean} [reflect]
* @property {'String'|'Boolean'|'Number'|'Array'|'Object'} [type]
*/
export { HtmlTag, HtmlTagHydration, ResizeObserverSingleton, SvelteComponent, SvelteElement, action_destroyer, add_flush_callback, add_iframe_resize_listener, add_location, add_render_callback, afterUpdate, append, append_empty_stylesheet, append_hydration, append_styles, assign, attr, attribute_to_object, beforeUpdate, bind, binding_callbacks, blank_object, bubble, check_outros, children, claim_comment, claim_component, claim_element, claim_html_tag, claim_space, claim_svg_element, claim_text, clear_loops, comment, component_subscribe, compute_rest_props, compute_slots, construct_svelte_component, contenteditable_truthy_values, createEventDispatcher, create_bidirectional_transition, create_component, create_custom_element, create_in_transition, create_out_transition, create_rule, create_slot, current_component, custom_event, delete_rule, destroy_component, destroy_each, detach, dirty_components, element, element_is, empty, end_hydrating, exclude_internal_props, flush, flush_render_callbacks, getAllContexts, getContext, get_all_dirty_from_scope, get_binding_group_value, get_current_component, get_custom_elements_slots, get_root_for_style, get_slot_changes, get_store_value, get_svelte_dataset, globals, group_outros, hasContext, has_prop, head_selector, identity, init, init_binding_group, init_binding_group_dynamic, insert, insert_hydration, intros, is_client, is_crossorigin, is_empty, is_function, is_promise, listen, loop, mount_component, noop, not_equal, now, null_to_empty, object_without_properties, onDestroy, onMount, once, prevent_default, query_selector_all, raf, resize_observer_border_box, resize_observer_content_box, resize_observer_device_pixel_content_box, run, run_all, safe_not_equal, schedule_update, select_multiple_value, select_option, select_options, select_value, self, setContext, set_attributes, set_current_component, set_custom_element_data, set_custom_element_data_map, set_data, set_data_contenteditable, set_data_maybe_contenteditable, set_dynamic_element_data, set_input_type, set_input_value, set_now, set_raf, set_store_value, set_style, set_svg_attributes, space, split_css_unit, src_url_equal, start_hydrating, stop_immediate_propagation, stop_propagation, subscribe, svg_element, text, tick, time_ranges_to_array, to_number, toggle_class, transition_in, transition_out, trusted, update_slot, update_slot_base, validate_store, xlink_attr };