bundle.js

var app = (function () {
    'use strict';

    function noop() { }
    function assign(tar, src) {
        // @ts-ignore
        for (const k in src)
            tar[k] = src[k];
        return tar;
    }
    function is_promise(value) {
        return value && typeof value === 'object' && typeof value.then === 'function';
    }
    function run(fn) {
        return fn();
    }
    function blank_object() {
        return Object.create(null);
    }
    function run_all(fns) {
        fns.forEach(run);
    }
    function is_function(thing) {
        return typeof thing === 'function';
    }
    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;
    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;
    }
    function is_empty(obj) {
        return Object.keys(obj).length === 0;
    }
    function subscribe(store, ...callbacks) {
        if (store == null) {
            return noop;
        }
        const unsub = store.subscribe(...callbacks);
        return unsub.unsubscribe ? () => unsub.unsubscribe() : unsub;
    }
    function get_store_value(store) {
        let value;
        subscribe(store, _ => value = _)();
        return value;
    }
    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;
    }
    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);
        }
    }
    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;
    }
    function exclude_internal_props(props) {
        const result = {};
        for (const k in props)
            if (k[0] !== '$')
                result[k] = props[k];
        return result;
    }
    function compute_rest_props(props, keys) {
        const rest = {};
        keys = new Set(keys);
        for (const k in props)
            if (!keys.has(k) && k[0] !== '$')
                rest[k] = props[k];
        return rest;
    }
    function set_store_value(store, ret, value) {
        store.set(value);
        return ret;
    }
    function append(target, node) {
        target.appendChild(node);
    }
    function insert(target, node, anchor) {
        target.insertBefore(node, anchor || null);
    }
    function detach(node) {
        node.parentNode.removeChild(node);
    }
    function destroy_each(iterations, detaching) {
        for (let i = 0; i < iterations.length; i += 1) {
            if (iterations[i])
                iterations[i].d(detaching);
        }
    }
    function element(name) {
        return document.createElement(name);
    }
    function svg_element(name) {
        return document.createElementNS('http://www.w3.org/2000/svg', name);
    }
    function text(data) {
        return document.createTextNode(data);
    }
    function space() {
        return text(' ');
    }
    function empty() {
        return text('');
    }
    function listen(node, event, handler, options) {
        node.addEventListener(event, handler, options);
        return () => node.removeEventListener(event, handler, options);
    }
    function prevent_default(fn) {
        return function (event) {
            event.preventDefault();
            // @ts-ignore
            return fn.call(this, event);
        };
    }
    function attr(node, attribute, value) {
        if (value == null)
            node.removeAttribute(attribute);
        else if (node.getAttribute(attribute) !== value)
            node.setAttribute(attribute, value);
    }
    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') {
                node.value = node[key] = attributes[key];
            }
            else if (descriptors[key] && descriptors[key].set) {
                node[key] = attributes[key];
            }
            else {
                attr(node, key, attributes[key]);
            }
        }
    }
    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);
    }
    function children(element) {
        return Array.from(element.childNodes);
    }
    function set_data(text, data) {
        data = '' + data;
        if (text.wholeText !== data)
            text.data = data;
    }
    function set_input_value(input, value) {
        input.value = value == null ? '' : value;
    }
    function set_style(node, key, value, important) {
        if (value === null) {
            node.style.removeProperty(key);
        }
        else {
            node.style.setProperty(key, value, important ? 'important' : '');
        }
    }
    function select_option(select, value) {
        for (let i = 0; i < select.options.length; i += 1) {
            const option = select.options[i];
            if (option.__value === value) {
                option.selected = true;
                return;
            }
        }
        select.selectedIndex = -1; // no option should be selected
    }
    function select_value(select) {
        const selected_option = select.querySelector(':checked') || select.options[0];
        return selected_option && selected_option.__value;
    }
    function toggle_class(element, name, toggle) {
        element.classList[toggle ? 'add' : 'remove'](name);
    }
    function custom_event(type, detail, { bubbles = false, cancelable = false } = {}) {
        const e = document.createEvent('CustomEvent');
        e.initCustomEvent(type, bubbles, cancelable, detail);
        return e;
    }
    class HtmlTag {
        constructor(is_svg = false) {
            this.is_svg = false;
            this.is_svg = is_svg;
            this.e = this.n = null;
        }
        c(html) {
            this.h(html);
        }
        m(html, target, anchor = null) {
            if (!this.e) {
                if (this.is_svg)
                    this.e = svg_element(target.nodeName);
                else
                    this.e = element(target.nodeName);
                this.t = target;
                this.c(html);
            }
            this.i(anchor);
        }
        h(html) {
            this.e.innerHTML = html;
            this.n = Array.from(this.e.childNodes);
        }
        i(anchor) {
            for (let i = 0; i < this.n.length; i += 1) {
                insert(this.t, this.n[i], anchor);
            }
        }
        p(html) {
            this.d();
            this.h(html);
            this.i(this.a);
        }
        d() {
            this.n.forEach(detach);
        }
    }

    let current_component;
    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;
    }
    function onMount(fn) {
        get_current_component().$$.on_mount.push(fn);
    }
    function createEventDispatcher() {
        const component = get_current_component();
        return (type, detail, { cancelable = false } = {}) => {
            const callbacks = component.$$.callbacks[type];
            if (callbacks) {
                // TODO are there situations where events could be dispatched
                // in a server (non-DOM) environment?
                const event = custom_event(type, detail, { cancelable });
                callbacks.slice().forEach(fn => {
                    fn.call(component, event);
                });
                return !event.defaultPrevented;
            }
            return true;
        };
    }
    function setContext(key, context) {
        get_current_component().$$.context.set(key, context);
        return context;
    }
    function getContext(key) {
        return get_current_component().$$.context.get(key);
    }
    // TODO figure out if we still want to support
    // shorthand events, or if we want to implement
    // a real bubbling mechanism
    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 binding_callbacks = [];
    const render_callbacks = [];
    const flush_callbacks = [];
    const resolved_promise = Promise.resolve();
    let update_scheduled = false;
    function schedule_update() {
        if (!update_scheduled) {
            update_scheduled = true;
            resolved_promise.then(flush);
        }
    }
    function add_render_callback(fn) {
        render_callbacks.push(fn);
    }
    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
    function flush() {
        const saved_component = current_component;
        do {
            // first, call beforeUpdate functions
            // and update components
            while (flushidx < dirty_components.length) {
                const component = dirty_components[flushidx];
                flushidx++;
                set_current_component(component);
                update(component.$$);
            }
            set_current_component(null);
            dirty_components.length = 0;
            flushidx = 0;
            while (binding_callbacks.length)
                binding_callbacks.pop()();
            // then, once components are updated, call
            // afterUpdate functions. This may cause
            // subsequent updates...
            for (let i = 0; i < render_callbacks.length; i += 1) {
                const callback = render_callbacks[i];
                if (!seen_callbacks.has(callback)) {
                    // ...so guard against infinite loops
                    seen_callbacks.add(callback);
                    callback();
                }
            }
            render_callbacks.length = 0;
        } while (dirty_components.length);
        while (flush_callbacks.length) {
            flush_callbacks.pop()();
        }
        update_scheduled = false;
        seen_callbacks.clear();
        set_current_component(saved_component);
    }
    function update($$) {
        if ($$.fragment !== null) {
            $$.update();
            run_all($$.before_update);
            const dirty = $$.dirty;
            $$.dirty = [-1];
            $$.fragment && $$.fragment.p($$.ctx, dirty);
            $$.after_update.forEach(add_render_callback);
        }
    }
    const outroing = new Set();
    let outros;
    function group_outros() {
        outros = {
            r: 0,
            c: [],
            p: outros // parent group
        };
    }
    function check_outros() {
        if (!outros.r) {
            run_all(outros.c);
        }
        outros = outros.p;
    }
    function transition_in(block, local) {
        if (block && block.i) {
            outroing.delete(block);
            block.i(local);
        }
    }
    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);
        }
    }

    function handle_promise(promise, info) {
        const token = info.token = {};
        function update(type, index, key, value) {
            if (info.token !== token)
                return;
            info.resolved = value;
            let child_ctx = info.ctx;
            if (key !== undefined) {
                child_ctx = child_ctx.slice();
                child_ctx[key] = value;
            }
            const block = type && (info.current = type)(child_ctx);
            let needs_flush = false;
            if (info.block) {
                if (info.blocks) {
                    info.blocks.forEach((block, i) => {
                        if (i !== index && block) {
                            group_outros();
                            transition_out(block, 1, 1, () => {
                                if (info.blocks[i] === block) {
                                    info.blocks[i] = null;
                                }
                            });
                            check_outros();
                        }
                    });
                }
                else {
                    info.block.d(1);
                }
                block.c();
                transition_in(block, 1);
                block.m(info.mount(), info.anchor);
                needs_flush = true;
            }
            info.block = block;
            if (info.blocks)
                info.blocks[index] = block;
            if (needs_flush) {
                flush();
            }
        }
        if (is_promise(promise)) {
            const current_component = get_current_component();
            promise.then(value => {
                set_current_component(current_component);
                update(info.then, 1, info.value, value);
                set_current_component(null);
            }, error => {
                set_current_component(current_component);
                update(info.catch, 2, info.error, error);
                set_current_component(null);
                if (!info.hasCatch) {
                    throw error;
                }
            });
            // if we previously had a then/catch block, destroy it
            if (info.current !== info.pending) {
                update(info.pending, 0);
                return true;
            }
        }
        else {
            if (info.current !== info.then) {
                update(info.then, 1, info.value, promise);
                return true;
            }
            info.resolved = promise;
        }
    }
    function update_await_block_branch(info, ctx, dirty) {
        const child_ctx = ctx.slice();
        const { resolved } = info;
        if (info.current === info.then) {
            child_ctx[info.value] = resolved;
        }
        if (info.current === info.catch) {
            child_ctx[info.error] = resolved;
        }
        info.block.p(child_ctx, dirty);
    }
    function outro_and_destroy_block(block, lookup) {
        transition_out(block, 1, 1, () => {
            lookup.delete(block.key);
        });
    }
    function update_keyed_each(old_blocks, dirty, get_key, dynamic, ctx, list, lookup, node, destroy, create_each_block, next, get_context) {
        let o = old_blocks.length;
        let n = list.length;
        let i = o;
        const old_indexes = {};
        while (i--)
            old_indexes[old_blocks[i].key] = i;
        const new_blocks = [];
        const new_lookup = new Map();
        const deltas = new Map();
        i = n;
        while (i--) {
            const child_ctx = get_context(ctx, list, i);
            const key = get_key(child_ctx);
            let block = lookup.get(key);
            if (!block) {
                block = create_each_block(key, child_ctx);
                block.c();
            }
            else if (dynamic) {
                block.p(child_ctx, dirty);
            }
            new_lookup.set(key, new_blocks[i] = block);
            if (key in old_indexes)
                deltas.set(key, Math.abs(i - old_indexes[key]));
        }
        const will_move = new Set();
        const did_move = new Set();
        function insert(block) {
            transition_in(block, 1);
            block.m(node, next);
            lookup.set(block.key, block);
            next = block.first;
            n--;
        }
        while (o && n) {
            const new_block = new_blocks[n - 1];
            const old_block = old_blocks[o - 1];
            const new_key = new_block.key;
            const old_key = old_block.key;
            if (new_block === old_block) {
                // do nothing
                next = new_block.first;
                o--;
                n--;
            }
            else if (!new_lookup.has(old_key)) {
                // remove old block
                destroy(old_block, lookup);
                o--;
            }
            else if (!lookup.has(new_key) || will_move.has(new_key)) {
                insert(new_block);
            }
            else if (did_move.has(old_key)) {
                o--;
            }
            else if (deltas.get(new_key) > deltas.get(old_key)) {
                did_move.add(new_key);
                insert(new_block);
            }
            else {
                will_move.add(old_key);
                o--;
            }
        }
        while (o--) {
            const old_block = old_blocks[o];
            if (!new_lookup.has(old_block.key))
                destroy(old_block, lookup);
        }
        while (n)
            insert(new_blocks[n - 1]);
        return new_blocks;
    }

    function get_spread_update(levels, updates) {
        const update = {};
        const to_null_out = {};
        const accounted_for = { $$scope: 1 };
        let i = levels.length;
        while (i--) {
            const o = levels[i];
            const n = updates[i];
            if (n) {
                for (const key in o) {
                    if (!(key in n))
                        to_null_out[key] = 1;
                }
                for (const key in n) {
                    if (!accounted_for[key]) {
                        update[key] = n[key];
                        accounted_for[key] = 1;
                    }
                }
                levels[i] = n;
            }
            else {
                for (const key in o) {
                    accounted_for[key] = 1;
                }
            }
        }
        for (const key in to_null_out) {
            if (!(key in update))
                update[key] = undefined;
        }
        return update;
    }

    function bind(component, name, callback) {
        const index = component.$$.props[name];
        if (index !== undefined) {
            component.$$.bound[index] = callback;
            callback(component.$$.ctx[index]);
        }
    }
    function create_component(block) {
        block && block.c();
    }
    function mount_component(component, target, anchor, customElement) {
        const { fragment, on_mount, on_destroy, after_update } = component.$$;
        fragment && fragment.m(target, anchor);
        if (!customElement) {
            // onMount happens before the initial afterUpdate
            add_render_callback(() => {
                const new_on_destroy = on_mount.map(run).filter(is_function);
                if (on_destroy) {
                    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.$$.on_mount = [];
            });
        }
        after_update.forEach(add_render_callback);
    }
    function destroy_component(component, detaching) {
        const $$ = component.$$;
        if ($$.fragment !== null) {
            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;
            $$.ctx = [];
        }
    }
    function make_dirty(component, i) {
        if (component.$$.dirty[0] === -1) {
            dirty_components.push(component);
            schedule_update();
            component.$$.dirty.fill(0);
        }
        component.$$.dirty[(i / 31) | 0] |= (1 << (i % 31));
    }
    function init(component, options, instance, create_fragment, not_equal, props, append_styles, dirty = [-1]) {
        const parent_component = current_component;
        set_current_component(component);
        const $$ = component.$$ = {
            fragment: null,
            ctx: null,
            // 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) {
                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.$$.fragment);
            mount_component(component, options.target, options.anchor, options.customElement);
            flush();
        }
        set_current_component(parent_component);
    }
    /**
     * Base class for Svelte components. Used when dev=false.
     */
    class SvelteComponent {
        $destroy() {
            destroy_component(this, 1);
            this.$destroy = noop;
        }
        $on(type, callback) {
            const callbacks = (this.$$.callbacks[type] || (this.$$.callbacks[type] = []));
            callbacks.push(callback);
            return () => {
                const index = callbacks.indexOf(callback);
                if (index !== -1)
                    callbacks.splice(index, 1);
            };
        }
        $set($$props) {
            if (this.$$set && !is_empty($$props)) {
                this.$$.skip_bound = true;
                this.$$set($$props);
                this.$$.skip_bound = false;
            }
        }
    }

    const subscriber_queue = [];
    /**
     * Creates a `Readable` store that allows reading by subscription.
     * @param value initial value
     * @param {StartStopNotifier}start start and stop notifications for subscriptions
     */
    function readable(value, start) {
        return {
            subscribe: writable(value, start).subscribe
        };
    }
    /**
     * Create a `Writable` store that allows both updating and reading by subscription.
     * @param {*=}value initial value
     * @param {StartStopNotifier=}start start and stop notifications for subscriptions
     */
    function writable(value, start = noop) {
        let stop;
        const subscribers = new Set();
        function set(new_value) {
            if (safe_not_equal(value, new_value)) {
                value = new_value;
                if (stop) { // store is ready
                    const run_queue = !subscriber_queue.length;
                    for (const subscriber of subscribers) {
                        subscriber[1]();
                        subscriber_queue.push(subscriber, value);
                    }
                    if (run_queue) {
                        for (let i = 0; i < subscriber_queue.length; i += 2) {
                            subscriber_queue[i][0](subscriber_queue[i + 1]);
                        }
                        subscriber_queue.length = 0;
                    }
                }
            }
        }
        function update(fn) {
            set(fn(value));
        }
        function subscribe(run, invalidate = noop) {
            const subscriber = [run, invalidate];
            subscribers.add(subscriber);
            if (subscribers.size === 1) {
                stop = start(set) || noop;
            }
            run(value);
            return () => {
                subscribers.delete(subscriber);
                if (subscribers.size === 0) {
                    stop();
                    stop = null;
                }
            };
        }
        return { set, update, subscribe };
    }
    function derived(stores, fn, initial_value) {
        const single = !Array.isArray(stores);
        const stores_array = single
            ? [stores]
            : stores;
        const auto = fn.length < 2;
        return readable(initial_value, (set) => {
            let inited = false;
            const values = [];
            let pending = 0;
            let cleanup = noop;
            const sync = () => {
                if (pending) {
                    return;
                }
                cleanup();
                const result = fn(single ? values[0] : values, set);
                if (auto) {
                    set(result);
                }
                else {
                    cleanup = is_function(result) ? result : noop;
                }
            };
            const unsubscribers = stores_array.map((store, i) => subscribe(store, (value) => {
                values[i] = value;
                pending &= ~(1 << i);
                if (inited) {
                    sync();
                }
            }, () => {
                pending |= (1 << i);
            }));
            inited = true;
            sync();
            return function stop() {
                run_all(unsubscribers);
                cleanup();
            };
        });
    }

    /*! *****************************************************************************
    Copyright (c) Microsoft Corporation.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose with or without fee is hereby granted.

    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    PERFORMANCE OF THIS SOFTWARE.
    ***************************************************************************** */

    function __spreadArray(to, from, pack) {
        if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
            if (ar || !(i in from)) {
                if (!ar) ar = Array.prototype.slice.call(from, 0, i);
                ar[i] = from[i];
            }
        }
        return to.concat(ar || Array.prototype.slice.call(from));
    }

    function withPrevious(initValue, _a) {
        var _b = _a === void 0 ? {} : _a, _c = _b.numToTrack, numToTrack = _c === void 0 ? 1 : _c, _d = _b.initPrevious, initPrevious = _d === void 0 ? [] : _d, _e = _b.requireChange, requireChange = _e === void 0 ? true : _e, _f = _b.isEqual, isEqual = _f === void 0 ? function (a, b) { return a === b; } : _f;
        if (numToTrack <= 0) {
            throw new Error('Must track at least 1 previous');
        }
        // Generates an array of size numToTrack with the first element set to
        // initValue and all other elements set to ...initPrevious or null.
        var rest = initPrevious.slice(0, numToTrack);
        while (rest.length < numToTrack) {
            rest.push(null);
        }
        var values = writable(__spreadArray([initValue], rest, true));
        var updateCurrent = function (fn) {
            values.update(function ($values) {
                var newValue = fn($values[0]);
                // Prevent updates if values are equal as defined by an isEqual
                // comparison. By default, use a simple === comparison.
                if (requireChange && isEqual(newValue, $values[0])) {
                    return $values;
                }
                // Adds the new value to the front of the array and removes the oldest
                // value from the end.
                return __spreadArray([newValue], $values.slice(0, numToTrack), true);
            });
        };
        var current = {
            subscribe: derived(values, function ($values) { return $values[0]; }).subscribe,
            update: updateCurrent,
            set: function (newValue) {
                updateCurrent(function () { return newValue; });
            },
        };
        // Create an array of derived stores for every other element in the array.
        var others = __spreadArray([], Array(numToTrack), true).map(function (_, i) {
            return derived(values, function ($values) { return $values[i + 1]; });
        });
        return __spreadArray([current], others, true);
    }

    const MAINTENANCE_OPTIONS =
      drupalSettings.project_browser.maintenance_options;
    const SECURITY_OPTIONS = drupalSettings.project_browser.security_options;
    const DEVELOPMENT_OPTIONS =
      drupalSettings.project_browser.development_options;
    const SORT_OPTIONS = drupalSettings.project_browser.sort_options;
    const ACTIVELY_MAINTAINED_ID =
      drupalSettings.project_browser.special_ids.maintenance_status.id;
    const COVERED_ID =
      drupalSettings.project_browser.special_ids.security_coverage.id;
    const ALL_VALUES_ID =
      drupalSettings.project_browser.special_ids.all_values;
    const DEFAULT_SOURCE_ID =
      drupalSettings.project_browser.default_plugin_id;
    const BASE_URL = `${window.location.protocol}//${window.location.host}${drupalSettings.path.baseUrl + drupalSettings.path.pathPrefix}`;
    const FULL_MODULE_PATH = `${BASE_URL}${drupalSettings.project_browser.module_path}`;
    const DARK_COLOR_SCHEME =
      matchMedia('(forced-colors: active)').matches &&
      matchMedia('(prefers-color-scheme: dark)').matches;
    const ACTIVE_PLUGINS = drupalSettings.project_browser.active_plugins;
    const PACKAGE_MANAGER = drupalSettings.project_browser.package_manager;
    const FILTERS = drupalSettings.project_browser.filters || {};

    // eslint-disable-next-line import/no-extraneous-dependencies

    // Store the selected tab.
    const storedActiveTab = DEFAULT_SOURCE_ID;
    let activeFilters = {};
    if (storedActiveTab in FILTERS) {
      activeFilters = FILTERS[storedActiveTab];
    }
    const sourceFilters = writable(activeFilters);

    // Store for applied advanced filters.
    const storedFilters = {
      developmentStatus: '',
      maintenanceStatus: '',
      securityCoverage: ''
    };
    const filters = writable(storedFilters);

    const rowsCount = writable(0);

    const filtersVocabularies = writable({
      developmentStatus: JSON.parse(localStorage.getItem('pb.developmentStatus')) || [],
      maintenanceStatus: JSON.parse(localStorage.getItem('pb.maintenanceStatus')) || [],
      securityCoverage: JSON.parse(localStorage.getItem('pb.securityCoverage')) || []
    });

    // Store for applied category filters.
    const storedModuleCategoryFilter = [];
    const moduleCategoryFilter = writable(storedModuleCategoryFilter);

    // Store for module category vocabularies.
    const storedModuleCategoryVocabularies = JSON.parse(localStorage.getItem('moduleCategoryVocabularies')) || {};
    const moduleCategoryVocabularies = writable(storedModuleCategoryVocabularies);
    moduleCategoryVocabularies.subscribe((val) => localStorage.setItem('moduleCategoryVocabularies', JSON.stringify(val)));

    // Store the page the user is on.