import { d as HYDRATION_START, b as HYDRATION_END, e as HYDRATION_START_ELSE, a6 as STALE_REACTION, n as noop, a7 as deferred, a3 as async_mode_flag, a8 as ELEMENT_PRESERVE_ATTRIBUTE_CASE, a9 as ELEMENT_IS_INPUT, aa as ELEMENT_IS_NAMESPACED, a as subscribe_to_store, ab as is_promise } from './async-D55cHugf.js';
import { e as escape_html } from './escaping-CBnpiEl5.js';
import { b as set_ssr_context, s as ssr_context, p as push, c as pop } from './context-CBkBucIx.js';

const VOID_ELEMENT_NAMES = [
	'area',
	'base',
	'br',
	'col',
	'command',
	'embed',
	'hr',
	'img',
	'input',
	'keygen',
	'link',
	'meta',
	'param',
	'source',
	'track',
	'wbr'
];

/**
 * Returns `true` if `name` is of a void element
 * @param {string} name
 */
function is_void(name) {
	return VOID_ELEMENT_NAMES.includes(name) || name.toLowerCase() === '!doctype';
}

/**
 * Attributes that are boolean, i.e. they are present or not present.
 */
const DOM_BOOLEAN_ATTRIBUTES = [
	'allowfullscreen',
	'async',
	'autofocus',
	'autoplay',
	'checked',
	'controls',
	'default',
	'disabled',
	'formnovalidate',
	'indeterminate',
	'inert',
	'ismap',
	'loop',
	'multiple',
	'muted',
	'nomodule',
	'novalidate',
	'open',
	'playsinline',
	'readonly',
	'required',
	'reversed',
	'seamless',
	'selected',
	'webkitdirectory',
	'defer',
	'disablepictureinpicture',
	'disableremoteplayback'
];

/**
 * Returns `true` if `name` is a boolean attribute
 * @param {string} name
 */
function is_boolean_attribute(name) {
	return DOM_BOOLEAN_ATTRIBUTES.includes(name);
}

/**
 * Subset of delegated events which should be passive by default.
 * These two are already passive via browser defaults on window, document and body.
 * But since
 * - we're delegating them
 * - they happen often
 * - they apply to mobile which is generally less performant
 * we're marking them as passive by default for other elements, too.
 */
const PASSIVE_EVENTS = ['touchstart', 'touchmove'];

/**
 * Returns `true` if `name` is a passive event
 * @param {string} name
 */
function is_passive_event(name) {
	return PASSIVE_EVENTS.includes(name);
}

/** List of elements that require raw contents and should not have SSR comments put in them */
const RAW_TEXT_ELEMENTS = /** @type {const} */ (['textarea', 'script', 'style', 'title']);

/** @param {string} name */
function is_raw_text_element(name) {
	return RAW_TEXT_ELEMENTS.includes(/** @type {typeof RAW_TEXT_ELEMENTS[number]} */ (name));
}

function r(e){var t,f,n="";if("string"==typeof e||"number"==typeof e)n+=e;else if("object"==typeof e)if(Array.isArray(e)){var o=e.length;for(t=0;t<o;t++)e[t]&&(f=r(e[t]))&&(n&&(n+=" "),n+=f);}else for(f in e)e[f]&&(n&&(n+=" "),n+=f);return n}function clsx$1(){for(var e,t,f=0,n="",o=arguments.length;f<o;f++)(e=arguments[f])&&(t=r(e))&&(n&&(n+=" "),n+=t);return n}

/**
 * `<div translate={false}>` should be rendered as `<div translate="no">` and _not_
 * `<div translate="false">`, which is equivalent to `<div translate="yes">`. There
 * may be other odd cases that need to be added to this list in future
 * @type {Record<string, Map<any, string>>}
 */
const replacements = {
	translate: new Map([
		[true, 'yes'],
		[false, 'no']
	])
};

/**
 * @template V
 * @param {string} name
 * @param {V} value
 * @param {boolean} [is_boolean]
 * @returns {string}
 */
function attr(name, value, is_boolean = false) {
	// attribute hidden for values other than "until-found" behaves like a boolean attribute
	if (name === 'hidden' && value !== 'until-found') {
		is_boolean = true;
	}
	if (value == null || (!value && is_boolean)) return '';
	const normalized = (name in replacements && replacements[name].get(value)) || value;
	const assignment = is_boolean ? '' : `="${escape_html(normalized, true)}"`;
	return ` ${name}${assignment}`;
}

/**
 * Small wrapper around clsx to preserve Svelte's (weird) handling of falsy values.
 * TODO Svelte 6 revisit this, and likely turn all falsy values into the empty string (what clsx also does)
 * @param  {any} value
 */
function clsx(value) {
	if (typeof value === 'object') {
		return clsx$1(value);
	} else {
		return value ?? '';
	}
}

const whitespace = [...' \t\n\r\f\u00a0\u000b\ufeff'];

/**
 * @param {any} value
 * @param {string | null} [hash]
 * @param {Record<string, boolean>} [directives]
 * @returns {string | null}
 */
function to_class(value, hash, directives) {
	var classname = value == null ? '' : '' + value;

	if (hash) {
		classname = classname ? classname + ' ' + hash : hash;
	}

	if (directives) {
		for (var key in directives) {
			if (directives[key]) {
				classname = classname ? classname + ' ' + key : key;
			} else if (classname.length) {
				var len = key.length;
				var a = 0;

				while ((a = classname.indexOf(key, a)) >= 0) {
					var b = a + len;

					if (
						(a === 0 || whitespace.includes(classname[a - 1])) &&
						(b === classname.length || whitespace.includes(classname[b]))
					) {
						classname = (a === 0 ? '' : classname.substring(0, a)) + classname.substring(b + 1);
					} else {
						a = b;
					}
				}
			}
		}
	}

	return classname === '' ? null : classname;
}

/**
 *
 * @param {Record<string,any>} styles
 * @param {boolean} important
 */
function append_styles(styles, important = false) {
	var separator = important ? ' !important;' : ';';
	var css = '';

	for (var key in styles) {
		var value = styles[key];
		if (value != null && value !== '') {
			css += ' ' + key + ': ' + value + separator;
		}
	}

	return css;
}

/**
 * @param {string} name
 * @returns {string}
 */
function to_css_name(name) {
	if (name[0] !== '-' || name[1] !== '-') {
		return name.toLowerCase();
	}
	return name;
}

/**
 * @param {any} value
 * @param {Record<string, any> | [Record<string, any>, Record<string, any>]} [styles]
 * @returns {string | null}
 */
function to_style(value, styles) {
	if (styles) {
		var new_style = '';

		/** @type {Record<string,any> | undefined} */
		var normal_styles;

		/** @type {Record<string,any> | undefined} */
		var important_styles;

		if (Array.isArray(styles)) {
			normal_styles = styles[0];
			important_styles = styles[1];
		} else {
			normal_styles = styles;
		}

		if (value) {
			value = String(value)
				.replaceAll(/\s*\/\*.*?\*\/\s*/g, '')
				.trim();

			/** @type {boolean | '"' | "'"} */
			var in_str = false;
			var in_apo = 0;
			var in_comment = false;

			var reserved_names = [];

			if (normal_styles) {
				reserved_names.push(...Object.keys(normal_styles).map(to_css_name));
			}
			if (important_styles) {
				reserved_names.push(...Object.keys(important_styles).map(to_css_name));
			}

			var start_index = 0;
			var name_index = -1;

			const len = value.length;
			for (var i = 0; i < len; i++) {
				var c = value[i];

				if (in_comment) {
					if (c === '/' && value[i - 1] === '*') {
						in_comment = false;
					}
				} else if (in_str) {
					if (in_str === c) {
						in_str = false;
					}
				} else if (c === '/' && value[i + 1] === '*') {
					in_comment = true;
				} else if (c === '"' || c === "'") {
					in_str = c;
				} else if (c === '(') {
					in_apo++;
				} else if (c === ')') {
					in_apo--;
				}

				if (!in_comment && in_str === false && in_apo === 0) {
					if (c === ':' && name_index === -1) {
						name_index = i;
					} else if (c === ';' || i === len - 1) {
						if (name_index !== -1) {
							var name = to_css_name(value.substring(start_index, name_index).trim());

							if (!reserved_names.includes(name)) {
								if (c !== ';') {
									i++;
								}

								var property = value.substring(start_index, i).trim();
								new_style += ' ' + property + ';';
							}
						}

						start_index = i + 1;
						name_index = -1;
					}
				}
			}
		}

		if (normal_styles) {
			new_style += append_styles(normal_styles);
		}

		if (important_styles) {
			new_style += append_styles(important_styles, true);
		}

		new_style = new_style.trim();
		return new_style === '' ? null : new_style;
	}

	return value == null ? null : String(value);
}

const BLOCK_OPEN = `<!--${HYDRATION_START}-->`;
const BLOCK_OPEN_ELSE = `<!--${HYDRATION_START_ELSE}-->`;
const BLOCK_CLOSE = `<!--${HYDRATION_END}-->`;
const EMPTY_COMMENT = `<!---->`;

/** @type {AbortController | null} */
let controller = null;

function abort() {
	controller?.abort(STALE_REACTION);
	controller = null;
}

/* This file is generated by scripts/process-messages/index.js. Do not edit! */


/**
 * The node API `AsyncLocalStorage` is not available, but is required to use async server rendering.
 * @returns {never}
 */
function async_local_storage_unavailable() {
	const error = new Error(`async_local_storage_unavailable\nThe node API \`AsyncLocalStorage\` is not available, but is required to use async server rendering.\nhttps://svelte.dev/e/async_local_storage_unavailable`);

	error.name = 'Svelte error';

	throw error;
}

/**
 * Encountered asynchronous work while rendering synchronously.
 * @returns {never}
 */
function await_invalid() {
	const error = new Error(`await_invalid\nEncountered asynchronous work while rendering synchronously.\nhttps://svelte.dev/e/await_invalid`);

	error.name = 'Svelte error';

	throw error;
}

/**
 * The `html` property of server render results has been deprecated. Use `body` instead.
 * @returns {never}
 */
function html_deprecated() {
	const error = new Error(`html_deprecated\nThe \`html\` property of server render results has been deprecated. Use \`body\` instead.\nhttps://svelte.dev/e/html_deprecated`);

	error.name = 'Svelte error';

	throw error;
}

/**
 * `csp.nonce` was set while `csp.hash` was `true`. These options cannot be used simultaneously.
 * @returns {never}
 */
function invalid_csp() {
	const error = new Error(`invalid_csp\n\`csp.nonce\` was set while \`csp.hash\` was \`true\`. These options cannot be used simultaneously.\nhttps://svelte.dev/e/invalid_csp`);

	error.name = 'Svelte error';

	throw error;
}

/**
 * Could not resolve `render` context.
 * @returns {never}
 */
function server_context_required() {
	const error = new Error(`server_context_required\nCould not resolve \`render\` context.\nhttps://svelte.dev/e/server_context_required`);

	error.name = 'Svelte error';

	throw error;
}

/* This file is generated by scripts/process-messages/index.js. Do not edit! */


/**
 * A `hydratable` value with key `%key%` was created, but at least part of it was not used during the render.
 * 
 * The `hydratable` was initialized in:
 * %stack%
 * @param {string} key
 * @param {string} stack
 */
function unresolved_hydratable(key, stack) {
	{
		console.warn(`https://svelte.dev/e/unresolved_hydratable`);
	}
}

// @ts-ignore -- we don't include node types in the production build
/** @import { AsyncLocalStorage } from 'node:async_hooks' */
/** @import { RenderContext } from '#server' */


/** @type {Promise<void> | null} */
let current_render = null;

/** @type {RenderContext | null} */
let context = null;

/** @returns {RenderContext} */
function get_render_context() {
	const store = context ?? als?.getStore();

	if (!store) {
		server_context_required();
	}

	return store;
}

/**
 * @template T
 * @param {() => Promise<T>} fn
 * @returns {Promise<T>}
 */
async function with_render_context(fn) {
	context = {
		hydratable: {
			lookup: new Map(),
			comparisons: [],
			unresolved_promises: new Map()
		}
	};

	if (in_webcontainer()) {
		const { promise, resolve } = deferred();
		const previous_render = current_render;
		current_render = promise;
		await previous_render;
		return fn().finally(resolve);
	}

	try {
		if (als === null) {
			async_local_storage_unavailable();
		}
		return als.run(context, fn);
	} finally {
		context = null;
	}
}

/** @type {AsyncLocalStorage<RenderContext | null> | null} */
let als = null;
/** @type {Promise<void> | null} */
let als_import = null;

/**
 *
 * @returns {Promise<void>}
 */
function init_render_context() {
	// It's important the right side of this assignment can run a maximum of one time
	// otherwise it's possible for a very, very well-timed race condition to assign to `als`
	// at the beginning of a render, and then another render to assign to it again, which causes
	// the first render's second half to use a new instance of `als` which doesn't have its
	// context anymore.
	// @ts-ignore -- we don't include node types in the production build
	als_import ??= import('node:async_hooks')
		.then((hooks) => {
			als = new hooks.AsyncLocalStorage();
		})
		.then(noop, noop);
	return als_import;
}

// this has to be a function because rollup won't treeshake it if it's a constant
function in_webcontainer() {
	// @ts-ignore -- this will fail when we run typecheck because we exclude node types
	// eslint-disable-next-line n/prefer-global/process
	return !!globalThis.process?.versions?.webcontainer;
}

let text_encoder;
// TODO - remove this and use global `crypto` when we drop Node 18
let crypto;

/** @param {string} data */
async function sha256(data) {
	text_encoder ??= new TextEncoder();

	// @ts-expect-error
	crypto ??= globalThis.crypto?.subtle?.digest
		? globalThis.crypto
		: // @ts-ignore - we don't install node types in the prod build
			(await import('node:crypto')).webcrypto;

	const hash_buffer = await crypto.subtle.digest('SHA-256', text_encoder.encode(data));

	return base64_encode(hash_buffer);
}

/**
 * @param {Uint8Array} bytes
 * @returns {string}
 */
function base64_encode(bytes) {
	// Using `Buffer` is faster than iterating
	// @ts-ignore
	if (globalThis.Buffer) {
		// @ts-ignore
		return globalThis.Buffer.from(bytes).toString('base64');
	}

	let binary = '';

	for (let i = 0; i < bytes.length; i++) {
		binary += String.fromCharCode(bytes[i]);
	}

	return btoa(binary);
}

/** @type {Record<string, string>} */
const escaped = {
	'<': '\\u003C',
	'\\': '\\\\',
	'\b': '\\b',
	'\f': '\\f',
	'\n': '\\n',
	'\r': '\\r',
	'\t': '\\t',
	'\u2028': '\\u2028',
	'\u2029': '\\u2029'
};

class DevalueError extends Error {
	/**
	 * @param {string} message
	 * @param {string[]} keys
	 * @param {any} [value] - The value that failed to be serialized
	 * @param {any} [root] - The root value being serialized
	 */
	constructor(message, keys, value, root) {
		super(message);
		this.name = 'DevalueError';
		this.path = keys.join('');
		this.value = value;
		this.root = root;
	}
}

/** @param {any} thing */
function is_primitive(thing) {
	return Object(thing) !== thing;
}

const object_proto_names = /* @__PURE__ */ Object.getOwnPropertyNames(
	Object.prototype
)
	.sort()
	.join('\0');

/** @param {any} thing */
function is_plain_object(thing) {
	const proto = Object.getPrototypeOf(thing);

	return (
		proto === Object.prototype ||
		proto === null ||
		Object.getPrototypeOf(proto) === null ||
		Object.getOwnPropertyNames(proto).sort().join('\0') === object_proto_names
	);
}

/** @param {any} thing */
function get_type(thing) {
	return Object.prototype.toString.call(thing).slice(8, -1);
}

/** @param {string} char */
function get_escaped_char(char) {
	switch (char) {
		case '"':
			return '\\"';
		case '<':
			return '\\u003C';
		case '\\':
			return '\\\\';
		case '\n':
			return '\\n';
		case '\r':
			return '\\r';
		case '\t':
			return '\\t';
		case '\b':
			return '\\b';
		case '\f':
			return '\\f';
		case '\u2028':
			return '\\u2028';
		case '\u2029':
			return '\\u2029';
		default:
			return char < ' '
				? `\\u${char.charCodeAt(0).toString(16).padStart(4, '0')}`
				: '';
	}
}

/** @param {string} str */
function stringify_string(str) {
	let result = '';
	let last_pos = 0;
	const len = str.length;

	for (let i = 0; i < len; i += 1) {
		const char = str[i];
		const replacement = get_escaped_char(char);
		if (replacement) {
			result += str.slice(last_pos, i) + replacement;
			last_pos = i + 1;
		}
	}

	return `"${last_pos === 0 ? str : result + str.slice(last_pos)}"`;
}

/** @param {Record<string | symbol, any>} object */
function enumerable_symbols(object) {
	return Object.getOwnPropertySymbols(object).filter(
		(symbol) => Object.getOwnPropertyDescriptor(object, symbol).enumerable
	);
}

const is_identifier = /^[a-zA-Z_$][a-zA-Z_$0-9]*$/;

/** @param {string} key */
function stringify_key(key) {
	return is_identifier.test(key) ? '.' + key : '[' + JSON.stringify(key) + ']';
}

const chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_$';
const unsafe_chars = /[<\b\f\n\r\t\0\u2028\u2029]/g;
const reserved =
	/^(?:do|if|in|for|int|let|new|try|var|byte|case|char|else|enum|goto|long|this|void|with|await|break|catch|class|const|final|float|short|super|throw|while|yield|delete|double|export|import|native|return|switch|throws|typeof|boolean|default|extends|finally|package|private|abstract|continue|debugger|function|volatile|interface|protected|transient|implements|instanceof|synchronized)$/;

/**
 * Turn a value into the JavaScript that creates an equivalent value
 * @param {any} value
 * @param {(value: any, uneval: (value: any) => string) => string | void} [replacer]
 */
function uneval(value, replacer) {
	const counts = new Map();

	/** @type {string[]} */
	const keys = [];

	const custom = new Map();

	/** @param {any} thing */
	function walk(thing) {
		if (!is_primitive(thing)) {
			if (counts.has(thing)) {
				counts.set(thing, counts.get(thing) + 1);
				return;
			}

			counts.set(thing, 1);

			if (typeof thing === 'function') {
				throw new DevalueError(`Cannot stringify a function`, keys, thing, value);
			}

			const type = get_type(thing);

			switch (type) {
				case 'Number':
				case 'BigInt':
				case 'String':
				case 'Boolean':
				case 'Date':
				case 'RegExp':
				case 'URL':
				case 'URLSearchParams':
					return;

				case 'Array':
					/** @type {any[]} */ (thing).forEach((value, i) => {
						keys.push(`[${i}]`);
						walk(value);
						keys.pop();
					});
					break;

				case 'Set':
					Array.from(thing).forEach(walk);
					break;

				case 'Map':
					for (const [key, value] of thing) {
						keys.push(
							`.get(${is_primitive(key) ? stringify_primitive(key) : '...'})`
						);
						walk(value);
						keys.pop();
					}
					break;

				case 'Int8Array':
				case 'Uint8Array':
				case 'Uint8ClampedArray':
				case 'Int16Array':
				case 'Uint16Array':
				case 'Int32Array':
				case 'Uint32Array':
				case 'Float32Array':
				case 'Float64Array':
				case 'BigInt64Array':
				case 'BigUint64Array':
					walk(thing.buffer);
					return;

				case 'ArrayBuffer':
					return;

				case 'Temporal.Duration':
				case 'Temporal.Instant':
				case 'Temporal.PlainDate':
				case 'Temporal.PlainTime':
				case 'Temporal.PlainDateTime':
				case 'Temporal.PlainMonthDay':
				case 'Temporal.PlainYearMonth':
				case 'Temporal.ZonedDateTime':
					return;

				default:
					if (!is_plain_object(thing)) {
						throw new DevalueError(
							`Cannot stringify arbitrary non-POJOs`,
							keys,
							thing,
							value
						);
					}

					if (enumerable_symbols(thing).length > 0) {
						throw new DevalueError(
							`Cannot stringify POJOs with symbolic keys`,
							keys,
							thing,
							value
						);
					}

					for (const key in thing) {
						keys.push(stringify_key(key));
						walk(thing[key]);
						keys.pop();
					}
			}
		}
	}

	walk(value);

	const names = new Map();

	Array.from(counts)
		.filter((entry) => entry[1] > 1)
		.sort((a, b) => b[1] - a[1])
		.forEach((entry, i) => {
			names.set(entry[0], get_name(i));
		});

	/**
	 * @param {any} thing
	 * @returns {string}
	 */
	function stringify(thing) {
		if (names.has(thing)) {
			return names.get(thing);
		}

		if (is_primitive(thing)) {
			return stringify_primitive(thing);
		}

		if (custom.has(thing)) {
			return custom.get(thing);
		}

		const type = get_type(thing);

		switch (type) {
			case 'Number':
			case 'String':
			case 'Boolean':
				return `Object(${stringify(thing.valueOf())})`;

			case 'RegExp':
				return `new RegExp(${stringify_string(thing.source)}, "${
					thing.flags
				}")`;

			case 'Date':
				return `new Date(${thing.getTime()})`;

			case 'URL':
				return `new URL(${stringify_string(thing.toString())})`;

			case 'URLSearchParams':
				return `new URLSearchParams(${stringify_string(thing.toString())})`;

			case 'Array':
				const members = /** @type {any[]} */ (thing).map((v, i) =>
					i in thing ? stringify(v) : ''
				);
				const tail = thing.length === 0 || thing.length - 1 in thing ? '' : ',';
				return `[${members.join(',')}${tail}]`;

			case 'Set':
			case 'Map':
				return `new ${type}([${Array.from(thing).map(stringify).join(',')}])`;

			case 'Int8Array':
			case 'Uint8Array':
			case 'Uint8ClampedArray':
			case 'Int16Array':
			case 'Uint16Array':
			case 'Int32Array':
			case 'Uint32Array':
			case 'Float32Array':
			case 'Float64Array':
			case 'BigInt64Array':
			case 'BigUint64Array': {
				let str = `new ${type}`;

				if (counts.get(thing.buffer) === 1) {
					const array = new thing.constructor(thing.buffer);
					str += `([${array}])`;
				} else {
					str += `([${stringify(thing.buffer)}])`;
				}

				const a = thing.byteOffset;
				const b = a + thing.byteLength;

				// handle subarrays
				if (a > 0 || b !== thing.buffer.byteLength) {
					const m = +/(\d+)/.exec(type)[1] / 8;
					str += `.subarray(${a / m},${b / m})`;
				}

				return str;
			}

			case 'ArrayBuffer': {
				const ui8 = new Uint8Array(thing);
				return `new Uint8Array([${ui8.toString()}]).buffer`;
			}

			case 'Temporal.Duration':
			case 'Temporal.Instant':
			case 'Temporal.PlainDate':
			case 'Temporal.PlainTime':
			case 'Temporal.PlainDateTime':
			case 'Temporal.PlainMonthDay':
			case 'Temporal.PlainYearMonth':
			case 'Temporal.ZonedDateTime':
				return `${type}.from(${stringify_string(thing.toString())})`;

			default:
				const keys = Object.keys(thing);
				const obj = keys
					.map((key) => `${safe_key(key)}:${stringify(thing[key])}`)
					.join(',');
				const proto = Object.getPrototypeOf(thing);
				if (proto === null) {
					return keys.length > 0
						? `{${obj},__proto__:null}`
						: `{__proto__:null}`;
				}

				return `{${obj}}`;
		}
	}

	const str = stringify(value);

	if (names.size) {
		/** @type {string[]} */
		const params = [];

		/** @type {string[]} */
		const statements = [];

		/** @type {string[]} */
		const values = [];

		names.forEach((name, thing) => {
			params.push(name);

			if (custom.has(thing)) {
				values.push(/** @type {string} */ (custom.get(thing)));
				return;
			}

			if (is_primitive(thing)) {
				values.push(stringify_primitive(thing));
				return;
			}

			const type = get_type(thing);

			switch (type) {
				case 'Number':
				case 'String':
				case 'Boolean':
					values.push(`Object(${stringify(thing.valueOf())})`);
					break;

				case 'RegExp':
					values.push(thing.toString());
					break;

				case 'Date':
					values.push(`new Date(${thing.getTime()})`);
					break;

				case 'Array':
					values.push(`Array(${thing.length})`);
					/** @type {any[]} */ (thing).forEach((v, i) => {
						statements.push(`${name}[${i}]=${stringify(v)}`);
					});
					break;

				case 'Set':
					values.push(`new Set`);
					statements.push(
						`${name}.${Array.from(thing)
							.map((v) => `add(${stringify(v)})`)
							.join('.')}`
					);
					break;

				case 'Map':
					values.push(`new Map`);
					statements.push(
						`${name}.${Array.from(thing)
							.map(([k, v]) => `set(${stringify(k)}, ${stringify(v)})`)
							.join('.')}`
					);
					break;

				case 'ArrayBuffer':
					values.push(
						`new Uint8Array([${new Uint8Array(thing).join(',')}]).buffer`
					);
					break;

				default:
					values.push(
						Object.getPrototypeOf(thing) === null ? 'Object.create(null)' : '{}'
					);
					Object.keys(thing).forEach((key) => {
						statements.push(
							`${name}${safe_prop(key)}=${stringify(thing[key])}`
						);
					});
			}
		});

		statements.push(`return ${str}`);

		return `(function(${params.join(',')}){${statements.join(
			';'
		)}}(${values.join(',')}))`;
	} else {
		return str;
	}
}

/** @param {number} num */
function get_name(num) {
	let name = '';

	do {
		name = chars[num % chars.length] + name;
		num = ~~(num / chars.length) - 1;
	} while (num >= 0);

	return reserved.test(name) ? `${name}0` : name;
}

/** @param {string} c */
function escape_unsafe_char(c) {
	return escaped[c] || c;
}

/** @param {string} str */
function escape_unsafe_chars(str) {
	return str.replace(unsafe_chars, escape_unsafe_char);
}

/** @param {string} key */
function safe_key(key) {
	return /^[_$a-zA-Z][_$a-zA-Z0-9]*$/.test(key)
		? key
		: escape_unsafe_chars(JSON.stringify(key));
}

/** @param {string} key */
function safe_prop(key) {
	return /^[_$a-zA-Z][_$a-zA-Z0-9]*$/.test(key)
		? `.${key}`
		: `[${escape_unsafe_chars(JSON.stringify(key))}]`;
}

/** @param {any} thing */
function stringify_primitive(thing) {
	if (typeof thing === 'string') return stringify_string(thing);
	if (thing === void 0) return 'void 0';
	if (thing === 0 && 1 / thing < 0) return '-0';
	const str = String(thing);
	if (typeof thing === 'number') return str.replace(/^(-)?0\./, '$1.');
	if (typeof thing === 'bigint') return thing + 'n';
	return str;
}

/** @import { Component } from 'svelte' */
/** @import { Csp, HydratableContext, RenderOutput, SSRContext, SyncRenderOutput, Sha256Source } from './types.js' */
/** @import { MaybePromise } from '#shared' */

/** @typedef {'head' | 'body'} RendererType */
/** @typedef {{ [key in RendererType]: string }} AccumulatedContent */

/**
 * @typedef {string | Renderer} RendererItem
 */

/**
 * Renderers are basically a tree of `string | Renderer`s, where each `Renderer` in the tree represents
 * work that may or may not have completed. A renderer can be {@link collect}ed to aggregate the
 * content from itself and all of its children, but this will throw if any of the children are
 * performing asynchronous work. To asynchronously collect a renderer, just `await` it.
 *
 * The `string` values within a renderer are always associated with the {@link type} of that renderer. To switch types,
 * call {@link child} with a different `type` argument.
 */
class Renderer {
	/**
	 * The contents of the renderer.
	 * @type {RendererItem[]}
	 */
	#out = [];

	/**
	 * Any `onDestroy` callbacks registered during execution of this renderer.
	 * @type {(() => void)[] | undefined}
	 */
	#on_destroy = undefined;

	/**
	 * Whether this renderer is a component body.
	 * @type {boolean}
	 */
	#is_component_body = false;

	/**
	 * The type of string content that this renderer is accumulating.
	 * @type {RendererType}
	 */
	type;

	/** @type {Renderer | undefined} */
	#parent;

	/**
	 * Asynchronous work associated with this renderer
	 * @type {Promise<void> | undefined}
	 */
	promise = undefined;

	/**
	 * State which is associated with the content tree as a whole.
	 * It will be re-exposed, uncopied, on all children.
	 * @type {SSRState}
	 * @readonly
	 */
	global;

	/**
	 * State that is local to the branch it is declared in.
	 * It will be shallow-copied to all children.
	 *
	 * @type {{ select_value: string | undefined }}
	 */
	local;

	/**
	 * @param {SSRState} global
	 * @param {Renderer | undefined} [parent]
	 */
	constructor(global, parent) {
		this.#parent = parent;

		this.global = global;
		this.local = parent ? { ...parent.local } : { select_value: undefined };
		this.type = parent ? parent.type : 'body';
	}

	/**
	 * @param {(renderer: Renderer) => void} fn
	 */
	head(fn) {
		const head = new Renderer(this.global, this);
		head.type = 'head';

		this.#out.push(head);
		head.child(fn);
	}

	/**
	 * @param {Array<Promise<void>>} blockers
	 * @param {(renderer: Renderer) => void} fn
	 */
	async_block(blockers, fn) {
		this.#out.push(BLOCK_OPEN);
		this.async(blockers, fn);
		this.#out.push(BLOCK_CLOSE);
	}

	/**
	 * @param {Array<Promise<void>>} blockers
	 * @param {(renderer: Renderer) => void} fn
	 */
	async(blockers, fn) {
		let callback = fn;

		if (blockers.length > 0) {
			const context = ssr_context;

			callback = (renderer) => {
				return Promise.all(blockers).then(() => {
					const previous_context = ssr_context;

					try {
						set_ssr_context(context);
						return fn(renderer);
					} finally {
						set_ssr_context(previous_context);
					}
				});
			};
		}

		this.child(callback);
	}

	/**
	 * @param {Array<() => void>} thunks
	 */
	run(thunks) {
		const context = ssr_context;

		let promise = Promise.resolve(thunks[0]());
		const promises = [promise];

		for (const fn of thunks.slice(1)) {
			promise = promise.then(() => {
				const previous_context = ssr_context;
				set_ssr_context(context);

				try {
					return fn();
				} finally {
					set_ssr_context(previous_context);
				}
			});

			promises.push(promise);
		}

		return promises;
	}

	/**
	 * Create a child renderer. The child renderer inherits the state from the parent,
	 * but has its own content.
	 * @param {(renderer: Renderer) => MaybePromise<void>} fn
	 */
	child(fn) {
		const child = new Renderer(this.global, this);
		this.#out.push(child);

		const parent = ssr_context;

		set_ssr_context({
			...ssr_context,
			p: parent,
			c: null,
			r: child
		});

		const result = fn(child);

		set_ssr_context(parent);

		if (result instanceof Promise) {
			if (child.global.mode === 'sync') {
				await_invalid();
			}
			// just to avoid unhandled promise rejections -- we'll end up throwing in `collect_async` if something fails
			result.catch(() => {});
			child.promise = result;
		}

		return child;
	}

	/**
	 * Create a component renderer. The component renderer inherits the state from the parent,
	 * but has its own content. It is treated as an ordering boundary for ondestroy callbacks.
	 * @param {(renderer: Renderer) => MaybePromise<void>} fn
	 * @param {Function} [component_fn]
	 * @returns {void}
	 */
	component(fn, component_fn) {
		push();
		const child = this.child(fn);
		child.#is_component_body = true;
		pop();
	}

	/**
	 * @param {Record<string, any>} attrs
	 * @param {(renderer: Renderer) => void} fn
	 * @param {string | undefined} [css_hash]
	 * @param {Record<string, boolean> | undefined} [classes]
	 * @param {Record<string, string> | undefined} [styles]
	 * @param {number | undefined} [flags]
	 * @param {boolean | undefined} [is_rich]
	 * @returns {void}
	 */
	select(attrs, fn, css_hash, classes, styles, flags, is_rich) {
		const { value, ...select_attrs } = attrs;

		this.push(`<select${attributes(select_attrs, css_hash, classes, styles, flags)}>`);
		this.child((renderer) => {
			renderer.local.select_value = value;
			fn(renderer);
		});
		this.push(`${is_rich ? '<!>' : ''}</select>`);
	}

	/**
	 * @param {Record<string, any>} attrs
	 * @param {string | number | boolean | ((renderer: Renderer) => void)} body
	 * @param {string | undefined} [css_hash]
	 * @param {Record<string, boolean> | undefined} [classes]
	 * @param {Record<string, string> | undefined} [styles]
	 * @param {number | undefined} [flags]
	 * @param {boolean | undefined} [is_rich]
	 */
	option(attrs, body, css_hash, classes, styles, flags, is_rich) {
		this.#out.push(`<option${attributes(attrs, css_hash, classes, styles, flags)}`);

		/**
		 * @param {Renderer} renderer
		 * @param {any} value
		 * @param {{ head?: string, body: any }} content
		 */
		const close = (renderer, value, { head, body }) => {
			if ('value' in attrs) {
				value = attrs.value;
			}

			if (value === this.local.select_value) {
				renderer.#out.push(' selected');
			}

			renderer.#out.push(`>${body}${is_rich ? '<!>' : ''}</option>`);

			// super edge case, but may as well handle it
			if (head) {
				renderer.head((child) => child.push(head));
			}
		};

		if (typeof body === 'function') {
			this.child((renderer) => {
				const r = new Renderer(this.global, this);
				body(r);

				if (this.global.mode === 'async') {
					return r.#collect_content_async().then((content) => {
						close(renderer, content.body.replaceAll('<!---->', ''), content);
					});
				} else {
					const content = r.#collect_content();
					close(renderer, content.body.replaceAll('<!---->', ''), content);
				}
			});
		} else {
			close(this, body, { body });
		}
	}

	/**
	 * @param {(renderer: Renderer) => void} fn
	 */
	title(fn) {
		const path = this.get_path();

		/** @param {string} head */
		const close = (head) => {
			this.global.set_title(head, path);
		};

		this.child((renderer) => {
			const r = new Renderer(renderer.global, renderer);
			fn(r);

			if (renderer.global.mode === 'async') {
				return r.#collect_content_async().then((content) => {
					close(content.head);
				});
			} else {
				const content = r.#collect_content();
				close(content.head);
			}
		});
	}

	/**
	 * @param {string | (() => Promise<string>)} content
	 */
	push(content) {
		if (typeof content === 'function') {
			this.child(async (renderer) => renderer.push(await content()));
		} else {
			this.#out.push(content);
		}
	}

	/**
	 * @param {() => void} fn
	 */
	on_destroy(fn) {
		(this.#on_destroy ??= []).push(fn);
	}

	/**
	 * @returns {number[]}
	 */
	get_path() {
		return this.#parent ? [...this.#parent.get_path(), this.#parent.#out.indexOf(this)] : [];
	}

	/**
	 * @deprecated this is needed for legacy component bindings
	 */
	copy() {
		const copy = new Renderer(this.global, this.#parent);
		copy.#out = this.#out.map((item) => (item instanceof Renderer ? item.copy() : item));
		copy.promise = this.promise;
		return copy;
	}

	/**
	 * @param {Renderer} other
	 * @deprecated this is needed for legacy component bindings
	 */
	subsume(other) {
		if (this.global.mode !== other.global.mode) {
			throw new Error(
				"invariant: A renderer cannot switch modes. If you're seeing this, there's a compiler bug. File an issue!"
			);
		}

		this.local = other.local;
		this.#out = other.#out.map((item) => {
			if (item instanceof Renderer) {
				item.subsume(item);
			}
			return item;
		});
		this.promise = other.promise;
		this.type = other.type;
	}

	get length() {
		return this.#out.length;
	}

	/**
	 * Only available on the server and when compiling with the `server` option.
	 * Takes a component and returns an object with `body` and `head` properties on it, which you can use to populate the HTML when server-rendering your app.
	 * @template {Record<string, any>} Props
	 * @param {Component<Props>} component
	 * @param {{ props?: Omit<Props, '$$slots' | '$$events'>; context?: Map<any, any>; idPrefix?: string; csp?: Csp }} [options]
	 * @returns {RenderOutput}
	 */
	static render(component, options = {}) {
		/** @type {AccumulatedContent | undefined} */
		let sync;
		/** @type {Promise<AccumulatedContent & { hashes: { script: Sha256Source[] } }> | undefined} */
		let async;

		const result = /** @type {RenderOutput} */ ({});
		// making these properties non-enumerable so that console.logging
		// doesn't trigger a sync render
		Object.defineProperties(result, {
			html: {
				get: () => {
					return (sync ??= Renderer.#render(component, options)).body;
				}
			},
			head: {
				get: () => {
					return (sync ??= Renderer.#render(component, options)).head;
				}
			},
			body: {
				get: () => {
					return (sync ??= Renderer.#render(component, options)).body;
				}
			},
			hashes: {
				value: {
					script: ''
				}
			},
			then: {
				value:
					/**
					 * this is not type-safe, but honestly it's the best I can do right now, and it's a straightforward function.
					 *
					 * @template TResult1
					 * @template [TResult2=never]
					 * @param { (value: SyncRenderOutput) => TResult1 } onfulfilled
					 * @param { (reason: unknown) => TResult2 } onrejected
					 */
					(onfulfilled, onrejected) => {
						if (!async_mode_flag) {
							const result = (sync ??= Renderer.#render(component, options));
							const user_result = onfulfilled({
								head: result.head,
								body: result.body,
								html: result.body,
								hashes: { script: [] }
							});
							return Promise.resolve(user_result);
						}
						async ??= init_render_context().then(() =>
							with_render_context(() => Renderer.#render_async(component, options))
						);
						return async.then((result) => {
							Object.defineProperty(result, 'html', {
								// eslint-disable-next-line getter-return
								get: () => {
									html_deprecated();
								}
							});
							return onfulfilled(/** @type {SyncRenderOutput} */ (result));
						}, onrejected);
					}
			}
		});

		return result;
	}

	/**
	 * Collect all of the `onDestroy` callbacks registered during rendering. In an async context, this is only safe to call
	 * after awaiting `collect_async`.
	 *
	 * Child renderers are "porous" and don't affect execution order, but component body renderers
	 * create ordering boundaries. Within a renderer, callbacks run in order until hitting a component boundary.
	 * @returns {Iterable<() => void>}
	 */
	*#collect_on_destroy() {
		for (const component of this.#traverse_components()) {
			yield* component.#collect_ondestroy();
		}
	}

	/**
	 * Performs a depth-first search of renderers, yielding the deepest components first, then additional components as we backtrack up the tree.
	 * @returns {Iterable<Renderer>}
	 */
	*#traverse_components() {
		for (const child of this.#out) {
			if (typeof child !== 'string') {
				yield* child.#traverse_components();
			}
		}
		if (this.#is_component_body) {
			yield this;
		}
	}

	/**
	 * @returns {Iterable<() => void>}
	 */
	*#collect_ondestroy() {
		if (this.#on_destroy) {
			for (const fn of this.#on_destroy) {
				yield fn;
			}
		}
		for (const child of this.#out) {
			if (child instanceof Renderer && !child.#is_component_body) {
				yield* child.#collect_ondestroy();
			}
		}
	}

	/**
	 * Render a component. Throws if any of the children are performing asynchronous work.
	 *
	 * @template {Record<string, any>} Props
	 * @param {Component<Props>} component
	 * @param {{ props?: Omit<Props, '$$slots' | '$$events'>; context?: Map<any, any>; idPrefix?: string }} options
	 * @returns {AccumulatedContent}
	 */
	static #render(component, options) {
		var previous_context = ssr_context;
		try {
			const renderer = Renderer.#open_render('sync', component, options);

			const content = renderer.#collect_content();
			return Renderer.#close_render(content, renderer);
		} finally {
			abort();
			set_ssr_context(previous_context);
		}
	}

	/**
	 * Render a component.
	 *
	 * @template {Record<string, any>} Props
	 * @param {Component<Props>} component
	 * @param {{ props?: Omit<Props, '$$slots' | '$$events'>; context?: Map<any, any>; idPrefix?: string; csp?: Csp }} options
	 * @returns {Promise<AccumulatedContent & { hashes: { script: Sha256Source[] } }>}
	 */
	static async #render_async(component, options) {
		const previous_context = ssr_context;

		try {
			const renderer = Renderer.#open_render('async', component, options);
			const content = await renderer.#collect_content_async();
			const hydratables = await renderer.#collect_hydratables();
			if (hydratables !== null) {
				content.head = hydratables + content.head;
			}
			return Renderer.#close_render(content, renderer);
		} finally {
			set_ssr_context(previous_context);
			abort();
		}
	}

	/**
	 * Collect all of the code from the `out` array and return it as a string, or a promise resolving to a string.
	 * @param {AccumulatedContent} content
	 * @returns {AccumulatedContent}
	 */
	#collect_content(content = { head: '', body: '' }) {
		for (const item of this.#out) {
			if (typeof item === 'string') {
				content[this.type] += item;
			} else if (item instanceof Renderer) {
				item.#collect_content(content);
			}
		}

		return content;
	}

	/**
	 * Collect all of the code from the `out` array and return it as a string.
	 * @param {AccumulatedContent} content
	 * @returns {Promise<AccumulatedContent>}
	 */
	async #collect_content_async(content = { head: '', body: '' }) {
		await this.promise;

		// no danger to sequentially awaiting stuff in here; all of the work is already kicked off
		for (const item of this.#out) {
			if (typeof item === 'string') {
				content[this.type] += item;
			} else if (item instanceof Renderer) {
				await item.#collect_content_async(content);
			}
		}

		return content;
	}

	async #collect_hydratables() {
		const ctx = get_render_context().hydratable;

		for (const [_, key] of ctx.unresolved_promises) {
			// this is a problem -- it means we've finished the render but we're still waiting on a promise to resolve so we can
			// serialize it, so we're blocking the response on useless content.
			unresolved_hydratable(key, ctx.lookup.get(key)?.stack ?? '<missing stack trace>');
		}

		for (const comparison of ctx.comparisons) {
			// these reject if there's a mismatch
			await comparison;
		}

		return await this.#hydratable_block(ctx);
	}

	/**
	 * @template {Record<string, any>} Props
	 * @param {'sync' | 'async'} mode
	 * @param {import('svelte').Component<Props>} component
	 * @param {{ props?: Omit<Props, '$$slots' | '$$events'>; context?: Map<any, any>; idPrefix?: string; csp?: Csp }} options
	 * @returns {Renderer}
	 */
	static #open_render(mode, component, options) {
		const renderer = new Renderer(
			new SSRState(mode, options.idPrefix ? options.idPrefix + '-' : '', options.csp)
		);

		renderer.push(BLOCK_OPEN);

		if (options.context) {
			push();
			/** @type {SSRContext} */ (ssr_context).c = options.context;
			/** @type {SSRContext} */ (ssr_context).r = renderer;
		}

		// @ts-expect-error
		component(renderer, options.props ?? {});

		if (options.context) {
			pop();
		}

		renderer.push(BLOCK_CLOSE);

		return renderer;
	}

	/**
	 * @param {AccumulatedContent} content
	 * @param {Renderer} renderer
	 * @returns {AccumulatedContent & { hashes: { script: Sha256Source[] } }}
	 */
	static #close_render(content, renderer) {
		for (const cleanup of renderer.#collect_on_destroy()) {
			cleanup();
		}

		let head = content.head + renderer.global.get_title();
		let body = content.body;

		for (const { hash, code } of renderer.global.css) {
			head += `<style id="${hash}">${code}</style>`;
		}

		return {
			head,
			body,
			hashes: {
				script: renderer.global.csp.script_hashes
			}
		};
	}

	/**
	 * @param {HydratableContext} ctx
	 */
	async #hydratable_block(ctx) {
		if (ctx.lookup.size === 0) {
			return null;
		}

		let entries = [];
		let has_promises = false;

		for (const [k, v] of ctx.lookup) {
			if (v.promises) {
				has_promises = true;
				for (const p of v.promises) await p;
			}

			entries.push(`[${uneval(k)},${v.serialized}]`);
		}

		let prelude = `const h = (window.__svelte ??= {}).h ??= new Map();`;

		if (has_promises) {
			prelude = `const r = (v) => Promise.resolve(v);
				${prelude}`;
		}

		const body = `
			{
				${prelude}

				for (const [k, v] of [
					${entries.join(',\n\t\t\t\t\t')}
				]) {
					h.set(k, v);
				}
			}
		`;

		let csp_attr = '';
		if (this.global.csp.nonce) {
			csp_attr = ` nonce="${this.global.csp.nonce}"`;
		} else if (this.global.csp.hash) {
			// note to future selves: this doesn't need to be optimized with a Map<body, hash>
			// because the it's impossible for identical data to occur multiple times in a single render
			// (this would require the same hydratable key:value pair to be serialized multiple times)
			const hash = await sha256(body);
			this.global.csp.script_hashes.push(`sha256-${hash}`);
		}

		return `\n\t\t<script${csp_attr}>${body}</script>`;
	}
}

class SSRState {
	/** @readonly @type {Csp & { script_hashes: Sha256Source[] }} */
	csp;

	/** @readonly @type {'sync' | 'async'} */
	mode;

	/** @readonly @type {() => string} */
	uid;

	/** @readonly @type {Set<{ hash: string; code: string }>} */
	css = new Set();

	/** @type {{ path: number[], value: string }} */
	#title = { path: [], value: '' };

	/**
	 * @param {'sync' | 'async'} mode
	 * @param {string} id_prefix
	 * @param {Csp} csp
	 */
	constructor(mode, id_prefix = '', csp = { hash: false }) {
		this.mode = mode;
		this.csp = { ...csp, script_hashes: [] };

		let uid = 1;
		this.uid = () => `${id_prefix}s${uid++}`;
	}

	get_title() {
		return this.#title.value;
	}

	/**
	 * Performs a depth-first (lexicographic) comparison using the path. Rejects sets
	 * from earlier than or equal to the current value.
	 * @param {string} value
	 * @param {number[]} path
	 */
	set_title(value, path) {
		const current = this.#title.path;

		let i = 0;
		let l = Math.min(path.length, current.length);

		// skip identical prefixes - [1, 2, 3, ...] === [1, 2, 3, ...]
		while (i < l && path[i] === current[i]) i += 1;

		if (path[i] === undefined) return;

		// replace title if
		// - incoming path is longer - [7, 8, 9] > [7, 8]
		// - incoming path is later  - [7, 8, 9] > [7, 8, 8]
		if (current[i] === undefined || path[i] > current[i]) {
			this.#title.path = path;
			this.#title.value = value;
		}
	}
}

/** @import { ComponentType, SvelteComponent, Component } from 'svelte' */
/** @import { Csp, RenderOutput } from '#server' */
/** @import { Store } from '#shared' */

// https://html.spec.whatwg.org/multipage/syntax.html#attributes-2
// https://infra.spec.whatwg.org/#noncharacter
const INVALID_ATTR_NAME_CHAR_REGEX =
	/[\s'">/=\u{FDD0}-\u{FDEF}\u{FFFE}\u{FFFF}\u{1FFFE}\u{1FFFF}\u{2FFFE}\u{2FFFF}\u{3FFFE}\u{3FFFF}\u{4FFFE}\u{4FFFF}\u{5FFFE}\u{5FFFF}\u{6FFFE}\u{6FFFF}\u{7FFFE}\u{7FFFF}\u{8FFFE}\u{8FFFF}\u{9FFFE}\u{9FFFF}\u{AFFFE}\u{AFFFF}\u{BFFFE}\u{BFFFF}\u{CFFFE}\u{CFFFF}\u{DFFFE}\u{DFFFF}\u{EFFFE}\u{EFFFF}\u{FFFFE}\u{FFFFF}\u{10FFFE}\u{10FFFF}]/u;

/**
 * @param {Renderer} renderer
 * @param {string} tag
 * @param {() => void} attributes_fn
 * @param {() => void} children_fn
 * @returns {void}
 */
function element(renderer, tag, attributes_fn = noop, children_fn = noop) {
	renderer.push('<!---->');

	{
		renderer.push(`<${tag}`);
		attributes_fn();
		renderer.push(`>`);

		if (!is_void(tag)) {
			children_fn();
			if (!is_raw_text_element(tag)) {
				renderer.push(EMPTY_COMMENT);
			}
			renderer.push(`</${tag}>`);
		}
	}

	renderer.push('<!---->');
}

/**
 * Only available on the server and when compiling with the `server` option.
 * Takes a component and returns an object with `body` and `head` properties on it, which you can use to populate the HTML when server-rendering your app.
 * @template {Record<string, any>} Props
 * @param {Component<Props> | ComponentType<SvelteComponent<Props>>} component
 * @param {{ props?: Omit<Props, '$$slots' | '$$events'>; context?: Map<any, any>; idPrefix?: string; csp?: Csp }} [options]
 * @returns {RenderOutput}
 */
function render(component, options = {}) {
	if (options.csp?.hash && options.csp.nonce) {
		invalid_csp();
	}
	return Renderer.render(/** @type {Component<Props>} */ (component), options);
}

/**
 * @param {string} hash
 * @param {Renderer} renderer
 * @param {(renderer: Renderer) => Promise<void> | void} fn
 * @returns {void}
 */
function head(hash, renderer, fn) {
	renderer.head((renderer) => {
		renderer.push(`<!--${hash}-->`);
		renderer.child(fn);
		renderer.push(EMPTY_COMMENT);
	});
}

/**
 * @param {Record<string, unknown>} attrs
 * @param {string} [css_hash]
 * @param {Record<string, boolean>} [classes]
 * @param {Record<string, string>} [styles]
 * @param {number} [flags]
 * @returns {string}
 */
function attributes(attrs, css_hash, classes, styles, flags = 0) {
	if (styles) {
		attrs.style = to_style(attrs.style, styles);
	}

	if (attrs.class) {
		attrs.class = clsx(attrs.class);
	}

	if (css_hash || classes) {
		attrs.class = to_class(attrs.class, css_hash, classes);
	}

	let attr_str = '';
	let name;

	const is_html = (flags & ELEMENT_IS_NAMESPACED) === 0;
	const lowercase = (flags & ELEMENT_PRESERVE_ATTRIBUTE_CASE) === 0;
	const is_input = (flags & ELEMENT_IS_INPUT) !== 0;

	for (name in attrs) {
		// omit functions, internal svelte properties and invalid attribute names
		if (typeof attrs[name] === 'function') continue;
		if (name[0] === '$' && name[1] === '$') continue; // faster than name.startsWith('$$')
		if (INVALID_ATTR_NAME_CHAR_REGEX.test(name)) continue;

		var value = attrs[name];

		if (lowercase) {
			name = name.toLowerCase();
		}

		if (is_input) {
			if (name === 'defaultvalue' || name === 'defaultchecked') {
				name = name === 'defaultvalue' ? 'value' : 'checked';
				if (attrs[name]) continue;
			}
		}

		attr_str += attr(name, value, is_html && is_boolean_attribute(name));
	}

	return attr_str;
}

/**
 * @param {Record<string, unknown>[]} props
 * @returns {Record<string, unknown>}
 */
function spread_props(props) {
	/** @type {Record<string, unknown>} */
	const merged_props = {};
	let key;

	for (let i = 0; i < props.length; i++) {
		const obj = props[i];
		for (key in obj) {
			const desc = Object.getOwnPropertyDescriptor(obj, key);
			if (desc) {
				Object.defineProperty(merged_props, key, desc);
			} else {
				merged_props[key] = obj[key];
			}
		}
	}
	return merged_props;
}

/**
 * @param {unknown} value
 * @returns {string}
 */
function stringify(value) {
	return typeof value === 'string' ? value : value == null ? '' : value + '';
}

/**
 * @param {any} value
 * @param {string | undefined} [hash]
 * @param {Record<string, boolean>} [directives]
 */
function attr_class(value, hash, directives) {
	var result = to_class(value, hash, directives);
	return result ? ` class="${escape_html(result, true)}"` : '';
}

/**
 * @param {any} value
 * @param {Record<string,any>|[Record<string,any>,Record<string,any>]} [directives]
 */
function attr_style(value, directives) {
	var result = to_style(value, directives);
	return result ? ` style="${escape_html(result, true)}"` : '';
}

/**
 * @template V
 * @param {Record<string, [any, any, any]>} store_values
 * @param {string} store_name
 * @param {Store<V> | null | undefined} store
 * @returns {V}
 */
function store_get(store_values, store_name, store) {

	// it could be that someone eagerly updates the store in the instance script, so
	// we should only reuse the store value in the template
	if (store_name in store_values && store_values[store_name][0] === store) {
		return store_values[store_name][2];
	}

	store_values[store_name]?.[1](); // if store was switched, unsubscribe from old store
	store_values[store_name] = [store, null, undefined];
	const unsub = subscribe_to_store(
		store,
		/** @param {any} v */ (v) => (store_values[store_name][2] = v)
	);
	store_values[store_name][1] = unsub;
	return store_values[store_name][2];
}

/**
 * Sets the new value of a store and returns that value.
 * @template V
 * @param {Store<V>} store
 * @param {V} value
 * @returns {V}
 */
function store_set(store, value) {
	store.set(value);
	return value;
}

/** @param {Record<string, [any, any, any]>} store_values */
function unsubscribe_stores(store_values) {
	for (const store_name in store_values) {
		store_values[store_name][1]();
	}
}

/**
 * @param {Renderer} renderer
 * @param {Record<string, any>} $$props
 * @param {string} name
 * @param {Record<string, unknown>} slot_props
 * @param {null | (() => void)} fallback_fn
 * @returns {void}
 */
function slot(renderer, $$props, name, slot_props, fallback_fn) {
	var slot_fn = $$props.$$slots?.[name];
	// Interop: Can use snippets to fill slots
	if (slot_fn === true) {
		slot_fn = $$props[name === 'default' ? 'children' : name];
	}

	if (slot_fn !== undefined) {
		slot_fn(renderer, slot_props);
	}
}

/**
 * @param {Record<string, unknown>} props
 * @param {string[]} rest
 * @returns {Record<string, unknown>}
 */
function rest_props(props, rest) {
	/** @type {Record<string, unknown>} */
	const rest_props = {};
	let key;
	for (key in props) {
		if (!rest.includes(key)) {
			rest_props[key] = props[key];
		}
	}
	return rest_props;
}

/**
 * @param {Record<string, unknown>} props
 * @returns {Record<string, unknown>}
 */
function sanitize_props(props) {
	const { children, $$slots, ...sanitized } = props;
	return sanitized;
}

/**
 * Legacy mode: If the prop has a fallback and is bound in the
 * parent component, propagate the fallback value upwards.
 * @param {Record<string, unknown>} props_parent
 * @param {Record<string, unknown>} props_now
 */
function bind_props(props_parent, props_now) {
	for (const key in props_now) {
		const initial_value = props_parent[key];
		const value = props_now[key];
		if (
			initial_value === undefined &&
			value !== undefined &&
			Object.getOwnPropertyDescriptor(props_parent, key)?.set
		) {
			props_parent[key] = value;
		}
	}
}

/**
 * @template V
 * @param {Renderer} renderer
 * @param {Promise<V>} promise
 * @param {null | (() => void)} pending_fn
 * @param {(value: V) => void} then_fn
 * @returns {void}
 */
function await_block(renderer, promise, pending_fn, then_fn) {
	if (is_promise(promise)) {
		renderer.push(BLOCK_OPEN);
		promise.then(null, noop);
		if (pending_fn !== null) {
			pending_fn();
		}
	} else if (then_fn !== null) {
		renderer.push(BLOCK_OPEN_ELSE);
		then_fn(promise);
	}
}

/** @param {any} array_like_or_iterator */
function ensure_array_like(array_like_or_iterator) {
	if (array_like_or_iterator) {
		return array_like_or_iterator.length !== undefined
			? array_like_or_iterator
			: Array.from(array_like_or_iterator);
	}
	return [];
}

export { attr as a, store_get as b, spread_props as c, bind_props as d, ensure_array_like as e, attr_class as f, attr_style as g, head as h, stringify as i, clsx as j, await_block as k, element as l, attributes as m, sanitize_props as n, store_set as o, is_passive_event as p, render as q, rest_props as r, slot as s, unsubscribe_stores as u };
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