path: root/examples/07-routing/priv/static/app.mjs

// build/dev/javascript/prelude.mjs
var CustomType = class {
  withFields(fields) {
    let properties = Object.keys(this).map(
      (label2) => label2 in fields ? fields[label2] : this[label2]
    );
    return new this.constructor(...properties);
  }
};
var List = class {
  static fromArray(array3, tail) {
    let t = tail || new Empty();
    for (let i = array3.length - 1; i >= 0; --i) {
      t = new NonEmpty(array3[i], t);
    }
    return t;
  }
  [Symbol.iterator]() {
    return new ListIterator(this);
  }
  toArray() {
    return [...this];
  }
  // @internal
  atLeastLength(desired) {
    for (let _ of this) {
      if (desired <= 0)
        return true;
      desired--;
    }
    return desired <= 0;
  }
  // @internal
  hasLength(desired) {
    for (let _ of this) {
      if (desired <= 0)
        return false;
      desired--;
    }
    return desired === 0;
  }
  countLength() {
    let length3 = 0;
    for (let _ of this)
      length3++;
    return length3;
  }
};
function prepend(element2, tail) {
  return new NonEmpty(element2, tail);
}
function toList(elements, tail) {
  return List.fromArray(elements, tail);
}
var ListIterator = class {
  #current;
  constructor(current) {
    this.#current = current;
  }
  next() {
    if (this.#current instanceof Empty) {
      return { done: true };
    } else {
      let { head, tail } = this.#current;
      this.#current = tail;
      return { value: head, done: false };
    }
  }
};
var Empty = class extends List {
};
var NonEmpty = class extends List {
  constructor(head, tail) {
    super();
    this.head = head;
    this.tail = tail;
  }
};
var BitArray = class _BitArray {
  constructor(buffer) {
    if (!(buffer instanceof Uint8Array)) {
      throw "BitArray can only be constructed from a Uint8Array";
    }
    this.buffer = buffer;
  }
  // @internal
  get length() {
    return this.buffer.length;
  }
  // @internal
  byteAt(index2) {
    return this.buffer[index2];
  }
  // @internal
  floatAt(index2) {
    return byteArrayToFloat(this.buffer.slice(index2, index2 + 8));
  }
  // @internal
  intFromSlice(start4, end) {
    return byteArrayToInt(this.buffer.slice(start4, end));
  }
  // @internal
  binaryFromSlice(start4, end) {
    return new _BitArray(this.buffer.slice(start4, end));
  }
  // @internal
  sliceAfter(index2) {
    return new _BitArray(this.buffer.slice(index2));
  }
};
function byteArrayToInt(byteArray) {
  byteArray = byteArray.reverse();
  let value3 = 0;
  for (let i = byteArray.length - 1; i >= 0; i--) {
    value3 = value3 * 256 + byteArray[i];
  }
  return value3;
}
function byteArrayToFloat(byteArray) {
  return new Float64Array(byteArray.reverse().buffer)[0];
}
var Result = class _Result extends CustomType {
  // @internal
  static isResult(data) {
    return data instanceof _Result;
  }
};
var Ok = class extends Result {
  constructor(value3) {
    super();
    this[0] = value3;
  }
  // @internal
  isOk() {
    return true;
  }
};
var Error = class extends Result {
  constructor(detail) {
    super();
    this[0] = detail;
  }
  // @internal
  isOk() {
    return false;
  }
};
function isEqual(x, y) {
  let values = [x, y];
  while (values.length) {
    let a2 = values.pop();
    let b = values.pop();
    if (a2 === b)
      continue;
    if (!isObject(a2) || !isObject(b))
      return false;
    let unequal = !structurallyCompatibleObjects(a2, b) || unequalDates(a2, b) || unequalBuffers(a2, b) || unequalArrays(a2, b) || unequalMaps(a2, b) || unequalSets(a2, b) || unequalRegExps(a2, b);
    if (unequal)
      return false;
    const proto = Object.getPrototypeOf(a2);
    if (proto !== null && typeof proto.equals === "function") {
      try {
        if (a2.equals(b))
          continue;
        else
          return false;
      } catch {
      }
    }
    let [keys2, get2] = getters(a2);
    for (let k of keys2(a2)) {
      values.push(get2(a2, k), get2(b, k));
    }
  }
  return true;
}
function getters(object3) {
  if (object3 instanceof Map) {
    return [(x) => x.keys(), (x, y) => x.get(y)];
  } else {
    let extra = object3 instanceof globalThis.Error ? ["message"] : [];
    return [(x) => [...extra, ...Object.keys(x)], (x, y) => x[y]];
  }
}
function unequalDates(a2, b) {
  return a2 instanceof Date && (a2 > b || a2 < b);
}
function unequalBuffers(a2, b) {
  return a2.buffer instanceof ArrayBuffer && a2.BYTES_PER_ELEMENT && !(a2.byteLength === b.byteLength && a2.every((n, i) => n === b[i]));
}
function unequalArrays(a2, b) {
  return Array.isArray(a2) && a2.length !== b.length;
}
function unequalMaps(a2, b) {
  return a2 instanceof Map && a2.size !== b.size;
}
function unequalSets(a2, b) {
  return a2 instanceof Set && (a2.size != b.size || [...a2].some((e) => !b.has(e)));
}
function unequalRegExps(a2, b) {
  return a2 instanceof RegExp && (a2.source !== b.source || a2.flags !== b.flags);
}
function isObject(a2) {
  return typeof a2 === "object" && a2 !== null;
}
function structurallyCompatibleObjects(a2, b) {
  if (typeof a2 !== "object" && typeof b !== "object" && (!a2 || !b))
    return false;
  let nonstructural = [Promise, WeakSet, WeakMap, Function];
  if (nonstructural.some((c) => a2 instanceof c))
    return false;
  return a2.constructor === b.constructor;
}
function makeError(variant, module, line, fn, message, extra) {
  let error = new globalThis.Error(message);
  error.gleam_error = variant;
  error.module = module;
  error.line = line;
  error.fn = fn;
  for (let k in extra)
    error[k] = extra[k];
  return error;
}

// build/dev/javascript/gleam_stdlib/gleam/option.mjs
var Some = class extends CustomType {
  constructor(x0) {
    super();
    this[0] = x0;
  }
};
var None = class extends CustomType {
};
function to_result(option, e) {
  if (option instanceof Some) {
    let a2 = option[0];
    return new Ok(a2);
  } else {
    return new Error(e);
  }
}

// build/dev/javascript/gleam_stdlib/dict.mjs
var referenceMap = /* @__PURE__ */ new WeakMap();
var tempDataView = new DataView(new ArrayBuffer(8));
var referenceUID = 0;
function hashByReference(o) {
  const known = referenceMap.get(o);
  if (known !== void 0) {
    return known;
  }
  const hash = referenceUID++;
  if (referenceUID === 2147483647) {
    referenceUID = 0;
  }
  referenceMap.set(o, hash);
  return hash;
}
function hashMerge(a2, b) {
  return a2 ^ b + 2654435769 + (a2 << 6) + (a2 >> 2) | 0;
}
function hashString(s) {
  let hash = 0;
  const len = s.length;
  for (let i = 0; i < len; i++) {
    hash = Math.imul(31, hash) + s.charCodeAt(i) | 0;
  }
  return hash;
}
function hashNumber(n) {
  tempDataView.setFloat64(0, n);
  const i = tempDataView.getInt32(0);
  const j = tempDataView.getInt32(4);
  return Math.imul(73244475, i >> 16 ^ i) ^ j;
}
function hashBigInt(n) {
  return hashString(n.toString());
}
function hashObject(o) {
  const proto = Object.getPrototypeOf(o);
  if (proto !== null && typeof proto.hashCode === "function") {
    try {
      const code = o.hashCode(o);
      if (typeof code === "number") {
        return code;
      }
    } catch {
    }
  }
  if (o instanceof Promise || o instanceof WeakSet || o instanceof WeakMap) {
    return hashByReference(o);
  }
  if (o instanceof Date) {
    return hashNumber(o.getTime());
  }
  let h = 0;
  if (o instanceof ArrayBuffer) {
    o = new Uint8Array(o);
  }
  if (Array.isArray(o) || o instanceof Uint8Array) {
    for (let i = 0; i < o.length; i++) {
      h = Math.imul(31, h) + getHash(o[i]) | 0;
    }
  } else if (o instanceof Set) {
    o.forEach((v) => {
      h = h + getHash(v) | 0;
    });
  } else if (o instanceof Map) {
    o.forEach((v, k) => {
      h = h + hashMerge(getHash(v), getHash(k)) | 0;
    });
  } else {
    const keys2 = Object.keys(o);
    for (let i = 0; i < keys2.length; i++) {
      const k = keys2[i];
      const v = o[k];
      h = h + hashMerge(getHash(v), hashString(k)) | 0;
    }
  }
  return h;
}
function getHash(u) {
  if (u === null)
    return 1108378658;
  if (u === void 0)
    return 1108378659;
  if (u === true)
    return 1108378657;
  if (u === false)
    return 1108378656;
  switch (typeof u) {
    case "number":
      return hashNumber(u);
    case "string":
      return hashString(u);
    case "bigint":
      return hashBigInt(u);
    case "object":
      return hashObject(u);
    case "symbol":
      return hashByReference(u);
    case "function":
      return hashByReference(u);
    default:
      return 0;
  }
}
var SHIFT = 5;
var BUCKET_SIZE = Math.pow(2, SHIFT);
var MASK = BUCKET_SIZE - 1;
var MAX_INDEX_NODE = BUCKET_SIZE / 2;
var MIN_ARRAY_NODE = BUCKET_SIZE / 4;
var ENTRY = 0;
var ARRAY_NODE = 1;
var INDEX_NODE = 2;
var COLLISION_NODE = 3;
var EMPTY = {
  type: INDEX_NODE,
  bitmap: 0,
  array: []
};
function mask(hash, shift) {
  return hash >>> shift & MASK;
}
function bitpos(hash, shift) {
  return 1 << mask(hash, shift);
}
function bitcount(x) {
  x -= x >> 1 & 1431655765;
  x = (x & 858993459) + (x >> 2 & 858993459);
  x = x + (x >> 4) & 252645135;
  x += x >> 8;
  x += x >> 16;
  return x & 127;
}
function index(bitmap, bit) {
  return bitcount(bitmap & bit - 1);
}
function cloneAndSet(arr, at, val) {
  const len = arr.length;
  const out = new Array(len);
  for (let i = 0; i < len; ++i) {
    out[i] = arr[i];
  }
  out[at] = val;
  return out;
}
function spliceIn(arr, at, val) {
  const len = arr.length;
  const out = new Array(len + 1);
  let i = 0;
  let g = 0;
  while (i < at) {
    out[g++] = arr[i++];
  }
  out[g++] = val;
  while (i < len) {
    out[g++] = arr[i++];
  }
  return out;
}
function spliceOut(arr, at) {
  const len = arr.length;
  const out = new Array(len - 1);
  let i = 0;
  let g = 0;
  while (i < at) {
    out[g++] = arr[i++];
  }
  ++i;
  while (i < len) {
    out[g++] = arr[i++];
  }
  return out;
}
function createNode(shift, key1, val1, key2hash, key2, val2) {
  const key1hash = getHash(key1);
  if (key1hash === key2hash) {
    return {
      type: COLLISION_NODE,
      hash: key1hash,
      array: [
        { type: ENTRY, k: key1, v: val1 },
        { type: ENTRY, k: key2, v: val2 }
      ]
    };
  }
  const addedLeaf = { val: false };
  return assoc(
    assocIndex(EMPTY, shift, key1hash, key1, val1, addedLeaf),
    shift,
    key2hash,
    key2,
    val2,
    addedLeaf
  );
}
function assoc(root2, shift, hash, key, val, addedLeaf) {
  switch (root2.type) {
    case ARRAY_NODE:
      return assocArray(root2, shift, hash, key, val, addedLeaf);
    case INDEX_NODE:
      return assocIndex(root2, shift, hash, key, val, addedLeaf);
    case COLLISION_NODE:
      return assocCollision(root2, shift, hash, key, val, addedLeaf);
  }
}
function assocArray(root2, shift, hash, key, val, addedLeaf) {
  const idx = mask(hash, shift);
  const node = root2.array[idx];
  if (node === void 0) {
    addedLeaf.val = true;
    return {
      type: ARRAY_NODE,
      size: root2.size + 1,
      array: cloneAndSet(root2.array, idx, { type: ENTRY, k: key, v: val })
    };
  }
  if (node.type === ENTRY) {
    if (isEqual(key, node.k)) {
      if (val === node.v) {
        return root2;
      }
      return {
        type: ARRAY_NODE,
        size: root2.size,
        array: cloneAndSet(root2.array, idx, {
          type: ENTRY,
          k: key,
          v: val
        })
      };
    }
    addedLeaf.val = true;
    return {
      type: ARRAY_NODE,
      size: root2.size,
      array: cloneAndSet(
        root2.array,
        idx,
        createNode(shift + SHIFT, node.k, node.v, hash, key, val)
      )
    };
  }
  const n = assoc(node, shift + SHIFT, hash, key, val, addedLeaf);
  if (n === node) {
    return root2;
  }
  return {
    type: ARRAY_NODE,
    size: root2.size,
    array: cloneAndSet(root2.array, idx, n)
  };
}
function assocIndex(root2, shift, hash, key, val, addedLeaf) {
  const bit = bitpos(hash, shift);
  const idx = index(root2.bitmap, bit);
  if ((root2.bitmap & bit) !== 0) {
    const node = root2.array[idx];
    if (node.type !== ENTRY) {
      const n = assoc(node, shift + SHIFT, hash, key, val, addedLeaf);
      if (n === node) {
        return root2;
      }
      return {
        type: INDEX_NODE,
        bitmap: root2.bitmap,
        array: cloneAndSet(root2.array, idx, n)
      };
    }
    const nodeKey = node.k;
    if (isEqual(key, nodeKey)) {
      if (val === node.v) {
        return root2;
      }
      return {
        type: INDEX_NODE,
        bitmap: root2.bitmap,
        array: cloneAndSet(root2.array, idx, {
          type: ENTRY,
          k: key,
          v: val
        })
      };
    }
    addedLeaf.val = true;
    return {
      type: INDEX_NODE,
      bitmap: root2.bitmap,
      array: cloneAndSet(
        root2.array,
        idx,
        createNode(shift + SHIFT, nodeKey, node.v, hash, key, val)
      )
    };
  } else {
    const n = root2.array.length;
    if (n >= MAX_INDEX_NODE) {
      const nodes = new Array(32);
      const jdx = mask(hash, shift);
      nodes[jdx] = assocIndex(EMPTY, shift + SHIFT, hash, key, val, addedLeaf);
      let j = 0;
      let bitmap = root2.bitmap;
      for (let i = 0; i < 32; i++) {
        if ((bitmap & 1) !== 0) {
          const node = root2.array[j++];
          nodes[i] = node;
        }
        bitmap = bitmap >>> 1;
      }
      return {
        type: ARRAY_NODE,
        size: n + 1,
        array: nodes
      };
    } else {
      const newArray = spliceIn(root2.array, idx, {
        type: ENTRY,
        k: key,
        v: val
      });
      addedLeaf.val = true;
      return {
        type: INDEX_NODE,
        bitmap: root2.bitmap | bit,
        array: newArray
      };
    }
  }
}
function assocCollision(root2, shift, hash, key, val, addedLeaf) {
  if (hash === root2.hash) {
    const idx = collisionIndexOf(root2, key);
    if (idx !== -1) {
      const entry = root2.array[idx];
      if (entry.v === val) {
        return root2;
      }
      return {
        type: COLLISION_NODE,
        hash,
        array: cloneAndSet(root2.array, idx, { type: ENTRY, k: key, v: val })
      };
    }
    const size = root2.array.length;
    addedLeaf.val = true;
    return {
      type: COLLISION_NODE,
      hash,
      array: cloneAndSet(root2.array, size, { type: ENTRY, k: key, v: val })
    };
  }
  return assoc(
    {
      type: INDEX_NODE,
      bitmap: bitpos(root2.hash, shift),
      array: [root2]
    },
    shift,
    hash,
    key,
    val,
    addedLeaf
  );
}
function collisionIndexOf(root2, key) {
  const size = root2.array.length;
  for (let i = 0; i < size; i++) {
    if (isEqual(key, root2.array[i].k)) {
      return i;
    }
  }
  return -1;
}
function find(root2, shift, hash, key) {
  switch (root2.type) {
    case ARRAY_NODE:
      return findArray(root2, shift, hash, key);
    case INDEX_NODE:
      return findIndex(root2, shift, hash, key);
    case COLLISION_NODE:
      return findCollision(root2, key);
  }
}
function findArray(root2, shift, hash, key) {
  const idx = mask(hash, shift);
  const node = root2.array[idx];
  if (node === void 0) {
    return void 0;
  }
  if (node.type !== ENTRY) {
    return find(node, shift + SHIFT, hash, key);
  }
  if (isEqual(key, node.k)) {
    return node;
  }
  return void 0;
}
function findIndex(root2, shift, hash, key) {
  const bit = bitpos(hash, shift);
  if ((root2.bitmap & bit) === 0) {
    return void 0;
  }
  const idx = index(root2.bitmap, bit);
  const node = root2.array[idx];
  if (node.type !== ENTRY) {
    return find(node, shift + SHIFT, hash, key);
  }
  if (isEqual(key, node.k)) {
    return node;
  }
  return void 0;
}
function findCollision(root2, key) {
  const idx = collisionIndexOf(root2, key);
  if (idx < 0) {
    return void 0;
  }
  return root2.array[idx];
}
function without(root2, shift, hash, key) {
  switch (root2.type) {
    case ARRAY_NODE:
      return withoutArray(root2, shift, hash, key);
    case INDEX_NODE:
      return withoutIndex(root2, shift, hash, key);
    case COLLISION_NODE:
      return withoutCollision(root2, key);
  }
}
function withoutArray(root2, shift, hash, key) {
  const idx = mask(hash, shift);
  const node = root2.array[idx];
  if (node === void 0) {
    return root2;
  }
  let n = void 0;
  if (node.type === ENTRY) {
    if (!isEqual(node.k, key)) {
      return root2;
    }
  } else {
    n = without(node, shift + SHIFT, hash, key);
    if (n === node) {
      return root2;
    }
  }
  if (n === void 0) {
    if (root2.size <= MIN_ARRAY_NODE) {
      const arr = root2.array;
      const out = new Array(root2.size - 1);
      let i = 0;
      let j = 0;
      let bitmap = 0;
      while (i < idx) {
        const nv = arr[i];
        if (nv !== void 0) {
          out[j] = nv;
          bitmap |= 1 << i;
          ++j;
        }
        ++i;
      }
      ++i;
      while (i < arr.length) {
        const nv = arr[i];
        if (nv !== void 0) {
          out[j] = nv;
          bitmap |= 1 << i;
          ++j;
        }
        ++i;
      }
      return {
        type: INDEX_NODE,
        bitmap,
        array: out
      };
    }
    return {
      type: ARRAY_NODE,
      size: root2.size - 1,
      array: cloneAndSet(root2.array, idx, n)
    };
  }
  return {
    type: ARRAY_NODE,
    size: root2.size,
    array: cloneAndSet(root2.array, idx, n)
  };
}
function withoutIndex(root2, shift, hash, key) {
  const bit = bitpos(hash, shift);
  if ((root2.bitmap & bit) === 0) {
    return root2;
  }
  const idx = index(root2.bitmap, bit);
  const node = root2.array[idx];
  if (node.type !== ENTRY) {
    const n = without(node, shift + SHIFT, hash, key);
    if (n === node) {
      return root2;
    }
    if (n !== void 0) {
      return {
        type: INDEX_NODE,
        bitmap: root2.bitmap,
        array: cloneAndSet(root2.array, idx, n)
      };
    }
    if (root2.bitmap === bit) {
      return void 0;
    }
    return {
      type: INDEX_NODE,
      bitmap: root2.bitmap ^ bit,
      array: spliceOut(root2.array, idx)
    };
  }
  if (isEqual(key, node.k)) {
    if (root2.bitmap === bit) {
      return void 0;
    }
    return {
      type: INDEX_NODE,
      bitmap: root2.bitmap ^ bit,
      array: spliceOut(root2.array, idx)
    };
  }
  return root2;
}
function withoutCollision(root2, key) {
  const idx = collisionIndexOf(root2, key);
  if (idx < 0) {
    return root2;
  }
  if (root2.array.length === 1) {
    return void 0;
  }
  return {
    type: COLLISION_NODE,
    hash: root2.hash,
    array: spliceOut(root2.array, idx)
  };
}
function forEach(root2, fn) {
  if (root2 === void 0) {
    return;
  }
  const items = root2.array;
  const size = items.length;
  for (let i = 0; i < size; i++) {
    const item = items[i];
    if (item === void 0) {
      continue;
    }
    if (item.type === ENTRY) {
      fn(item.v, item.k);
      continue;
    }
    forEach(item, fn);
  }
}
var Dict = class _Dict {
  /**
   * @template V
   * @param {Record<string,V>} o
   * @returns {Dict<string,V>}
   */
  static fromObject(o) {
    const keys2 = Object.keys(o);
    let m = _Dict.new();
    for (let i = 0; i < keys2.length; i++) {
      const k = keys2[i];
      m = m.set(k, o[k]);
    }
    return m;
  }
  /**
   * @template K,V
   * @param {Map<K,V>} o
   * @returns {Dict<K,V>}
   */
  static fromMap(o) {
    let m = _Dict.new();
    o.forEach((v, k) => {
      m = m.set(k, v);
    });
    return m;
  }
  static new() {
    return new _Dict(void 0, 0);
  }
  /**
   * @param {undefined | Node<K,V>} root
   * @param {number} size
   */
  constructor(root2, size) {
    this.root = root2;
    this.size = size;
  }
  /**
   * @template NotFound
   * @param {K} key
   * @param {NotFound} notFound
   * @returns {NotFound | V}
   */
  get(key, notFound) {
    if (this.root === void 0) {
      return notFound;
    }
    const found = find(this.root, 0, getHash(key), key);
    if (found === void 0) {
      return notFound;
    }
    return found.v;
  }
  /**
   * @param {K} key
   * @param {V} val
   * @returns {Dict<K,V>}
   */
  set(key, val) {
    const addedLeaf = { val: false };
    const root2 = this.root === void 0 ? EMPTY : this.root;
    const newRoot = assoc(root2, 0, getHash(key), key, val, addedLeaf);
    if (newRoot === this.root) {
      return this;
    }
    return new _Dict(newRoot, addedLeaf.val ? this.size + 1 : this.size);
  }
  /**
   * @param {K} key
   * @returns {Dict<K,V>}
   */
  delete(key) {
    if (this.root === void 0) {
      return this;
    }
    const newRoot = without(this.root, 0, getHash(key), key);
    if (newRoot === this.root) {
      return this;
    }
    if (newRoot === void 0) {
      return _Dict.new();
    }
    return new _Dict(newRoot, this.size - 1);
  }
  /**
   * @param {K} key
   * @returns {boolean}
   */
  has(key) {
    if (this.root === void 0) {
      return false;
    }
    return find(this.root, 0, getHash(key), key) !== void 0;
  }
  /**
   * @returns {[K,V][]}
   */
  entries() {
    if (this.root === void 0) {
      return [];
    }
    const result = [];
    this.forEach((v, k) => result.push([k, v]));
    return result;
  }
  /**
   *
   * @param {(val:V,key:K)=>void} fn
   */
  forEach(fn) {
    forEach(this.root, fn);
  }
  hashCode() {
    let h = 0;
    this.forEach((v, k) => {
      h = h + hashMerge(getHash(v), getHash(k)) | 0;
    });
    return h;
  }
  /**
   * @param {unknown} o
   * @returns {boolean}
   */
  equals(o) {
    if (!(o instanceof _Dict) || this.size !== o.size) {
      return false;
    }
    let equal2 = true;
    this.forEach((v, k) => {
      equal2 = equal2 && isEqual(o.get(k, !v), v);
    });
    return equal2;
  }
};

// build/dev/javascript/gleam_stdlib/gleam_stdlib.mjs
var Nil = void 0;
var NOT_FOUND = {};
function identity(x) {
  return x;
}
function to_string(term) {
  return term.toString();
}
function string_replace(string3, target, substitute) {
  if (typeof string3.replaceAll !== "undefined") {
    return string3.replaceAll(target, substitute);
  }
  return string3.replace(
    // $& means the whole matched string
    new RegExp(target.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"), "g"),
    substitute
  );
}
function graphemes(string3) {
  const iterator = graphemes_iterator(string3);
  if (iterator) {
    return List.fromArray(Array.from(iterator).map((item) => item.segment));
  } else {
    return List.fromArray(string3.match(/./gsu));
  }
}
function graphemes_iterator(string3) {
  if (Intl && Intl.Segmenter) {
    return new Intl.Segmenter().segment(string3)[Symbol.iterator]();
  }
}
function lowercase(string3) {
  return string3.toLowerCase();
}
function split(xs, pattern) {
  return List.fromArray(xs.split(pattern));
}
function concat(xs) {
  let result = "";
  for (const x of xs) {
    result = result + x;
  }
  return result;
}
function map_get(map5, key) {
  const value3 = map5.get(key, NOT_FOUND);
  if (value3 === NOT_FOUND) {
    return new Error(Nil);
  }
  return new Ok(value3);
}
function classify_dynamic(data) {
  if (typeof data === "string") {
    return "String";
  } else if (data instanceof Result) {
    return "Result";
  } else if (data instanceof List) {
    return "List";
  } else if (data instanceof BitArray) {
    return "BitArray";
  } else if (data instanceof Dict) {
    return "Dict";
  } else if (Number.isInteger(data)) {
    return "Int";
  } else if (Array.isArray(data)) {
    return `Tuple of ${data.length} elements`;
  } else if (typeof data === "number") {
    return "Float";
  } else if (data === null) {
    return "Null";
  } else if (data === void 0) {
    return "Nil";
  } else {
    const type = typeof data;
    return type.charAt(0).toUpperCase() + type.slice(1);
  }
}
function decoder_error(expected, got) {
  return decoder_error_no_classify(expected, classify_dynamic(got));
}
function decoder_error_no_classify(expected, got) {
  return new Error(
    List.fromArray([new DecodeError(expected, got, List.fromArray([]))])
  );
}
function decode_string(data) {
  return typeof data === "string" ? new Ok(data) : decoder_error("String", data);
}
function decode_int(data) {
  return Number.isInteger(data) ? new Ok(data) : decoder_error("Int", data);
}
function decode_field(value3, name) {
  const not_a_map_error = () => decoder_error("Dict", value3);
  if (value3 instanceof Dict || value3 instanceof WeakMap || value3 instanceof Map) {
    const entry = map_get(value3, name);
    return new Ok(entry.isOk() ? new Some(entry[0]) : new None());
  } else if (value3 === null) {
    return not_a_map_error();
  } else if (Object.getPrototypeOf(value3) == Object.prototype) {
    return try_get_field(value3, name, () => new Ok(new None()));
  } else {
    return try_get_field(value3, name, not_a_map_error);
  }
}
function try_get_field(value3, field3, or_else) {
  try {
    return field3 in value3 ? new Ok(new Some(value3[field3])) : or_else();
  } catch {
    return or_else();
  }
}

// build/dev/javascript/gleam_stdlib/gleam/int.mjs
function to_string2(x) {
  return to_string(x);
}

// build/dev/javascript/gleam_stdlib/gleam/list.mjs
function do_reverse_acc(loop$remaining, loop$accumulator) {
  while (true) {
    let remaining = loop$remaining;
    let accumulator = loop$accumulator;
    if (remaining.hasLength(0)) {
      return accumulator;
    } else {
      let item = remaining.head;
      let rest$1 = remaining.tail;
      loop$remaining = rest$1;
      loop$accumulator = prepend(item, accumulator);
    }
  }
}
function do_reverse(list) {
  return do_reverse_acc(list, toList([]));
}
function reverse(xs) {
  return do_reverse(xs);
}
function do_map(loop$list, loop$fun, loop$acc) {
  while (true) {
    let list = loop$list;
    let fun = loop$fun;
    let acc = loop$acc;
    if (list.hasLength(0)) {
      return reverse(acc);
    } else {
      let x = list.head;
      let xs = list.tail;
      loop$list = xs;
      loop$fun = fun;
      loop$acc = prepend(fun(x), acc);
    }
  }
}
function map(list, fun) {
  return do_map(list, fun, toList([]));
}
function do_append_acc(loop$first, loop$second) {
  while (true) {
    let first2 = loop$first;
    let second2 = loop$second;
    if (first2.hasLength(0)) {
      return second2;
    } else {
      let item = first2.head;
      let rest$1 = first2.tail;
      loop$first = rest$1;
      loop$second = prepend(item, second2);
    }
  }
}
function do_append(first2, second2) {
  return do_append_acc(reverse(first2), second2);
}
function append(first2, second2) {
  return do_append(first2, second2);
}
function fold(loop$list, loop$initial, loop$fun) {
  while (true) {
    let list = loop$list;
    let initial = loop$initial;
    let fun = loop$fun;
    if (list.hasLength(0)) {
      return initial;
    } else {
      let x = list.head;
      let rest$1 = list.tail;
      loop$list = rest$1;
      loop$initial = fun(initial, x);
      loop$fun = fun;
    }
  }
}
function find2(loop$haystack, loop$is_desired) {
  while (true) {
    let haystack = loop$haystack;
    let is_desired = loop$is_desired;
    if (haystack.hasLength(0)) {
      return new Error(void 0);
    } else {
      let x = haystack.head;
      let rest$1 = haystack.tail;
      let $ = is_desired(x);
      if ($) {
        return new Ok(x);
      } else {
        loop$haystack = rest$1;
        loop$is_desired = is_desired;
      }
    }
  }
}

// build/dev/javascript/gleam_stdlib/gleam/result.mjs
function map2(result, fun) {
  if (result.isOk()) {
    let x = result[0];
    return new Ok(fun(x));
  } else {
    let e = result[0];
    return new Error(e);
  }
}
function map_error(result, fun) {
  if (result.isOk()) {
    let x = result[0];
    return new Ok(x);
  } else {
    let error = result[0];
    return new Error(fun(error));
  }
}
function try$(result, fun) {
  if (result.isOk()) {
    let x = result[0];
    return fun(x);
  } else {
    let e = result[0];
    return new Error(e);
  }
}

// build/dev/javascript/gleam_stdlib/gleam/string_builder.mjs
function from_strings(strings) {
  return concat(strings);
}
function from_string(string3) {
  return identity(string3);
}
function to_string3(builder) {
  return identity(builder);
}
function split2(iodata, pattern) {
  return split(iodata, pattern);
}
function replace(builder, pattern, substitute) {
  return string_replace(builder, pattern, substitute);
}

// build/dev/javascript/gleam_stdlib/gleam/dynamic.mjs
var DecodeError = class extends CustomType {
  constructor(expected, found, path) {
    super();
    this.expected = expected;
    this.found = found;
    this.path = path;
  }
};
function from(a2) {
  return identity(a2);
}
function string(data) {
  return decode_string(data);
}
function classify(data) {
  return classify_dynamic(data);
}
function int(data) {
  return decode_int(data);
}
function any(decoders) {
  return (data) => {
    if (decoders.hasLength(0)) {
      return new Error(
        toList([new DecodeError("another type", classify(data), toList([]))])
      );
    } else {
      let decoder2 = decoders.head;
      let decoders$1 = decoders.tail;
      let $ = decoder2(data);
      if ($.isOk()) {
        let decoded = $[0];
        return new Ok(decoded);
      } else {
        return any(decoders$1)(data);
      }
    }
  };
}
function push_path(error, name) {
  let name$1 = from(name);
  let decoder2 = any(
    toList([string, (x) => {
      return map2(int(x), to_string2);
    }])
  );
  let name$2 = (() => {
    let $ = decoder2(name$1);
    if ($.isOk()) {
      let name$22 = $[0];
      return name$22;
    } else {
      let _pipe = toList(["<", classify(name$1), ">"]);
      let _pipe$1 = from_strings(_pipe);
      return to_string3(_pipe$1);
    }
  })();
  return error.withFields({ path: prepend(name$2, error.path) });
}
function map_errors(result, f) {
  return map_error(
    result,
    (_capture) => {
      return map(_capture, f);
    }
  );
}
function field(name, inner_type) {
  return (value3) => {
    let missing_field_error = new DecodeError("field", "nothing", toList([]));
    return try$(
      decode_field(value3, name),
      (maybe_inner) => {
        let _pipe = maybe_inner;
        let _pipe$1 = to_result(_pipe, toList([missing_field_error]));
        let _pipe$2 = try$(_pipe$1, inner_type);
        return map_errors(
          _pipe$2,
          (_capture) => {
            return push_path(_capture, name);
          }
        );
      }
    );
  };
}

// build/dev/javascript/gleam_stdlib/gleam/string.mjs
function replace2(string3, pattern, substitute) {
  let _pipe = string3;
  let _pipe$1 = from_string(_pipe);
  let _pipe$2 = replace(_pipe$1, pattern, substitute);
  return to_string3(_pipe$2);
}
function lowercase2(string3) {
  return lowercase(string3);
}
function split3(x, substring) {
  if (substring === "") {
    return graphemes(x);
  } else {
    let _pipe = x;
    let _pipe$1 = from_string(_pipe);
    let _pipe$2 = split2(_pipe$1, substring);
    return map(_pipe$2, to_string3);
  }
}

// build/dev/javascript/gleam_stdlib/gleam/uri.mjs
var Uri = class extends CustomType {
  constructor(scheme, userinfo, host, port, path, query, fragment) {
    super();
    this.scheme = scheme;
    this.userinfo = userinfo;
    this.host = host;
    this.port = port;
    this.path = path;
    this.query = query;
    this.fragment = fragment;
  }
};
function do_remove_dot_segments(loop$input, loop$accumulator) {
  while (true) {
    let input4 = loop$input;
    let accumulator = loop$accumulator;
    if (input4.hasLength(0)) {
      return reverse(accumulator);
    } else {
      let segment = input4.head;
      let rest = input4.tail;
      let accumulator$1 = (() => {
        if (segment === "") {
          let accumulator$12 = accumulator;
          return accumulator$12;
        } else if (segment === ".") {
          let accumulator$12 = accumulator;
          return accumulator$12;
        } else if (segment === ".." && accumulator.hasLength(0)) {
          return toList([]);
        } else if (segment === ".." && accumulator.atLeastLength(1)) {
          let accumulator$12 = accumulator.tail;
          return accumulator$12;
        } else {
          let segment$1 = segment;
          let accumulator$12 = accumulator;
          return prepend(segment$1, accumulator$12);
        }
      })();
      loop$input = rest;
      loop$accumulator = accumulator$1;
    }
  }
}
function remove_dot_segments(input4) {
  return do_remove_dot_segments(input4, toList([]));
}
function path_segments(path) {
  return remove_dot_segments(split3(path, "/"));
}

// build/dev/javascript/gleam_stdlib/gleam/bool.mjs
function guard(requirement, consequence, alternative) {
  if (requirement) {
    return consequence;
  } else {
    return alternative();
  }
}

// build/dev/javascript/lustre/lustre/effect.mjs
var Effect = class extends CustomType {
  constructor(all) {
    super();
    this.all = all;
  }
};
function from2(effect) {
  return new Effect(toList([(dispatch, _) => {
    return effect(dispatch);
  }]));
}
function none() {
  return new Effect(toList([]));
}

// build/dev/javascript/lustre/lustre/internals/vdom.mjs
var Text = class extends CustomType {
  constructor(content) {
    super();
    this.content = content;
  }
};
var Element = class extends CustomType {
  constructor(key, namespace, tag2, attrs, children, self_closing, void$) {
    super();
    this.key = key;
    this.namespace = namespace;
    this.tag = tag2;
    this.attrs = attrs;
    this.children = children;
    this.self_closing = self_closing;
    this.void = void$;
  }
};
var Attribute = class extends CustomType {
  constructor(x0, x1, as_property) {
    super();
    this[0] = x0;
    this[1] = x1;
    this.as_property = as_property;
  }
};
var Event = class extends CustomType {
  constructor(x0, x1) {
    super();
    this[0] = x0;
    this[1] = x1;
  }
};

// build/dev/javascript/lustre/lustre/attribute.mjs
function attribute(name, value3) {
  return new Attribute(name, from(value3), false);
}
function property(name, value3) {
  return new Attribute(name, from(value3), true);
}
function on(name, handler) {
  return new Event("on" + name, handler);
}
function style(properties) {
  return attribute(
    "style",
    fold(
      properties,
      "",
      (styles, _use1) => {
        let name$1 = _use1[0];
        let value$1 = _use1[1];
        return styles + name$1 + ":" + value$1 + ";";
      }
    )
  );
}
function class$(name) {
  return attribute("class", name);
}
function value(val) {
  return property("value", from(val));
}
function href(uri) {
  return attribute("href", uri);
}

// build/dev/javascript/lustre/lustre/element.mjs
function element(tag2, attrs, children) {
  if (tag2 === "area") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "base") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "br") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "col") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "embed") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "hr") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "img") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "input") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "link") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "meta") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "param") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "source") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "track") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else if (tag2 === "wbr") {
    return new Element("", "", tag2, attrs, toList([]), false, true);
  } else {
    return new Element("", "", tag2, attrs, children, false, false);
  }
}
function text(content) {
  return new Text(content);
}

// build/dev/javascript/lustre/lustre/internals/runtime.mjs
var Dispatch = class extends CustomType {
  constructor(x0) {
    super();
    this[0] = x0;
  }
};
var Shutdown = class extends CustomType {
};

// build/dev/javascript/lustre/vdom.ffi.mjs
function morph(prev, next, dispatch, isComponent = false) {
  let out;
  let stack3 = [{ prev, next, parent: prev.parentNode }];
  while (stack3.length) {
    let { prev: prev2, next: next2, parent } = stack3.pop();
    if (next2.subtree !== void 0)
      next2 = next2.subtree();
    if (next2.content !== void 0) {
      if (!prev2) {
        const created = document.createTextNode(next2.content);
        parent.appendChild(created);
        out ??= created;
      } else if (prev2.nodeType === Node.TEXT_NODE) {
        if (prev2.textContent !== next2.content)
          prev2.textContent = next2.content;
        out ??= prev2;
      } else {
        const created = document.createTextNode(next2.content);
        parent.replaceChild(created, prev2);
        out ??= created;
      }
    } else if (next2.tag !== void 0) {
      const created = createElementNode({
        prev: prev2,
        next: next2,
        dispatch,
        stack: stack3,
        isComponent
      });
      if (!prev2) {
        parent.appendChild(created);
      } else if (prev2 !== created) {
        parent.replaceChild(created, prev2);
      }
      out ??= created;
    }
  }
  return out;
}
function createElementNode({ prev, next, dispatch, stack: stack3 }) {
  const namespace = next.namespace || "http://www.w3.org/1999/xhtml";
  const canMorph = prev && prev.nodeType === Node.ELEMENT_NODE && prev.localName === next.tag && prev.namespaceURI === (next.namespace || "http://www.w3.org/1999/xhtml");
  const el2 = canMorph ? prev : namespace ? document.createElementNS(namespace, next.tag) : document.createElement(next.tag);
  let handlersForEl;
  if (!registeredHandlers.has(el2)) {
    const emptyHandlers = /* @__PURE__ */ new Map();
    registeredHandlers.set(el2, emptyHandlers);
    handlersForEl = emptyHandlers;
  } else {
    handlersForEl = registeredHandlers.get(el2);
  }
  const prevHandlers = canMorph ? new Set(handlersForEl.keys()) : null;
  const prevAttributes = canMorph ? new Set(Array.from(prev.attributes, (a2) => a2.name)) : null;
  let className = null;
  let style2 = null;
  let innerHTML = null;
  for (const attr of next.attrs) {
    const name = attr[0];
    const value3 = attr[1];
    const isProperty = attr[2];
    if (isProperty) {
      el2[name] = value3;
    } else if (name.startsWith("on")) {
      const eventName = name.slice(2);
      const callback = dispatch(value3);
      if (!handlersForEl.has(eventName)) {
        el2.addEventListener(eventName, lustreGenericEventHandler);
      }
      handlersForEl.set(eventName, callback);
      if (canMorph)
        prevHandlers.delete(eventName);
    } else if (name.startsWith("data-lustre-on-")) {
      const eventName = name.slice(15);
      const callback = dispatch(lustreServerEventHandler);
      if (!handlersForEl.has(eventName)) {
        el2.addEventListener(eventName, lustreGenericEventHandler);
      }
      handlersForEl.set(eventName, callback);
      el2.setAttribute(name, value3);
    } else if (name === "class") {
      className = className === null ? value3 : className + " " + value3;
    } else if (name === "style") {
      style2 = style2 === null ? value3 : style2 + value3;
    } else if (name === "dangerous-unescaped-html") {
      innerHTML = value3;
    } else {
      el2.setAttribute(name, value3);
      if (name === "value")
        el2[name] = value3;
      if (canMorph)
        prevAttributes.delete(name);
    }
  }
  if (className !== null) {
    el2.setAttribute("class", className);
    if (canMorph)
      prevAttributes.delete("class");
  }
  if (style2 !== null) {
    el2.setAttribute("style", style2);
    if (canMorph)
      prevAttributes.delete("style");
  }
  if (canMorph) {
    for (const attr of prevAttributes) {
      el2.removeAttribute(attr);
    }
    for (const eventName of prevHandlers) {
      handlersForEl.delete(eventName);
      el2.removeEventListener(eventName, lustreGenericEventHandler);
    }
  }
  if (next.key !== void 0 && next.key !== "") {
    el2.setAttribute("data-lustre-key", next.key);
  } else if (innerHTML !== null) {
    el2.innerHTML = innerHTML;
    return el2;
  }
  let prevChild = el2.firstChild;
  let seenKeys = null;
  let keyedChildren = null;
  let incomingKeyedChildren = null;
  let firstChild = next.children[Symbol.iterator]().next().value;
  if (canMorph && firstChild !== void 0 && // Explicit checks are more verbose but truthy checks force a bunch of comparisons
  // we don't care about: it's never gonna be a number etc.
  firstChild.key !== void 0 && firstChild.key !== "") {
    seenKeys = /* @__PURE__ */ new Set();
    keyedChildren = getKeyedChildren(prev);
    incomingKeyedChildren = getKeyedChildren(next);
  }
  for (const child of next.children) {
    if (child.key !== void 0 && seenKeys !== null) {
      while (prevChild && !incomingKeyedChildren.has(prevChild.getAttribute("data-lustre-key"))) {
        const nextChild = prevChild.nextSibling;
        el2.removeChild(prevChild);
        prevChild = nextChild;
      }
      if (keyedChildren.size === 0) {
        stack3.unshift({ prev: prevChild, next: child, parent: el2 });
        prevChild = prevChild?.nextSibling;
        continue;
      }
      if (seenKeys.has(child.key)) {
        console.warn(`Duplicate key found in Lustre vnode: ${child.key}`);
        stack3.unshift({ prev: null, next: child, parent: el2 });
        continue;
      }
      seenKeys.add(child.key);
      const keyedChild = keyedChildren.get(child.key);
      if (!keyedChild && !prevChild) {
        stack3.unshift({ prev: null, next: child, parent: el2 });
        continue;
      }
      if (!keyedChild && prevChild !== null) {
        const placeholder = document.createTextNode("");
        el2.insertBefore(placeholder, prevChild);
        stack3.unshift({ prev: placeholder, next: child, parent: el2 });
        continue;
      }
      if (!keyedChild || keyedChild === prevChild) {
        stack3.unshift({ prev: prevChild, next: child, parent: el2 });
        prevChild = prevChild?.nextSibling;
        continue;
      }
      el2.insertBefore(keyedChild, prevChild);
      stack3.unshift({ prev: keyedChild, next: child, parent: el2 });
    } else {
      stack3.unshift({ prev: prevChild, next: child, parent: el2 });
      prevChild = prevChild?.nextSibling;
    }
  }
  while (prevChild) {
    const next2 = prevChild.nextSibling;
    el2.removeChild(prevChild);
    prevChild = next2;
  }
  return el2;
}
var registeredHandlers = /* @__PURE__ */ new WeakMap();
function lustreGenericEventHandler(event2) {
  const target = event2.currentTarget;
  if (!registeredHandlers.has(target)) {
    target.removeEventListener(event2.type, lustreGenericEventHandler);
    return;
  }
  const handlersForEventTarget = registeredHandlers.get(target);
  if (!handlersForEventTarget.has(event2.type)) {
    target.removeEventListener(event2.type, lustreGenericEventHandler);
    return;
  }
  handlersForEventTarget.get(event2.type)(event2);
}
function lustreServerEventHandler(event2) {
  const el2 = event2.target;
  const tag2 = el2.getAttribute(`data-lustre-on-${event2.type}`);
  const data = JSON.parse(el2.getAttribute("data-lustre-data") || "{}");
  const include = JSON.parse(el2.getAttribute("data-lustre-include") || "[]");
  switch (event2.type) {
    case "input":
    case "change":
      include.push("target.value");
      break;
  }
  return {
    tag: tag2,
    data: include.reduce(
      (data2, property2) => {
        const path = property2.split(".");
        for (let i = 0, o = data2, e = event2; i < path.length; i++) {
          if (i === path.length - 1) {
            o[path[i]] = e[path[i]];
          } else {
            o[path[i]] ??= {};
            e = e[path[i]];
            o = o[path[i]];
          }
        }
        return data2;
      },
      { data }
    )
  };
}
function getKeyedChildren(el2) {
  const keyedChildren = /* @__PURE__ */ new Map();
  if (el2) {
    for (const child of el2.children) {
      const key = child.key || child?.getAttribute("data-lustre-key");
      if (key)
        keyedChildren.set(key, child);
    }
  }
  return keyedChildren;
}

// build/dev/javascript/lustre/client-runtime.ffi.mjs
var LustreClientApplication2 = class _LustreClientApplication {
  #root = null;
  #queue = [];
  #effects = [];
  #didUpdate = false;
  #isComponent = false;
  #model = null;
  #update = null;
  #view = null;
  static start(flags, selector, init4, update3, view2) {
    if (!is_browser())
      return new Error(new NotABrowser());
    const root2 = selector instanceof HTMLElement ? selector : document.querySelector(selector);
    if (!root2)
      return new Error(new ElementNotFound(selector));
    const app = new _LustreClientApplication(init4(flags), update3, view2, root2);
    return new Ok((msg) => app.send(msg));
  }
  constructor([model, effects], update3, view2, root2 = document.body, isComponent = false) {
    this.#model = model;
    this.#update = update3;
    this.#view = view2;
    this.#root = root2;
    this.#effects = effects.all.toArray();
    this.#didUpdate = true;
    this.#isComponent = isComponent;
    window.requestAnimationFrame(() => this.#tick());
  }
  send(action) {
    switch (true) {
      case action instanceof Dispatch: {
        this.#queue.push(action[0]);
        this.#tick();
        return;
      }
      case action instanceof Shutdown: {
        this.#shutdown();
        return;
      }
      default:
        return;
    }
  }
  emit(event2, data) {
    this.#root.dispatchEvent(
      new CustomEvent(event2, {
        bubbles: true,
        detail: data,
        composed: true
      })
    );
  }
  #tick() {
    this.#flush_queue();
    const vdom = this.#view(this.#model);
    const dispatch = (handler) => (e) => {
      const result = handler(e);
      if (result instanceof Ok) {
        this.send(new Dispatch(result[0]));
      }
    };
    this.#didUpdate = false;
    this.#root = morph(this.#root, vdom, dispatch, this.#isComponent);
  }
  #flush_queue(iterations = 0) {
    while (this.#queue.length) {
      const [next, effects] = this.#update(this.#model, this.#queue.shift());
      this.#didUpdate ||= !isEqual(this.#model, next);
      this.#model = next;
      this.#effects = this.#effects.concat(effects.all.toArray());
    }
    while (this.#effects.length) {
      this.#effects.shift()(
        (msg) => this.send(new Dispatch(msg)),
        (event2, data) => this.emit(event2, data)
      );
    }
    if (this.#queue.length) {
      if (iterations < 5) {
        this.#flush_queue(++iterations);
      } else {
        window.requestAnimationFrame(() => this.#tick());
      }
    }
  }
  #shutdown() {
    this.#root.remove();
    this.#root = null;
    this.#model = null;
    this.#queue = [];
    this.#effects = [];
    this.#didUpdate = false;
    this.#update = () => {
    };
    this.#view = () => {
    };
  }
};
var start = (app, selector, flags) => LustreClientApplication2.start(
  flags,
  selector,
  app.init,
  app.update,
  app.view
);
var is_browser = () => window && window.document;

// build/dev/javascript/lustre/lustre.mjs
var App = class extends CustomType {
  constructor(init4, update3, view2, on_attribute_change) {
    super();
    this.init = init4;
    this.update = update3;
    this.view = view2;
    this.on_attribute_change = on_attribute_change;
  }
};
var ElementNotFound = class extends CustomType {
  constructor(selector) {
    super();
    this.selector = selector;
  }
};
var NotABrowser = class extends CustomType {
};
function application(init4, update3, view2) {
  return new App(init4, update3, view2, new None());
}
function start3(app, selector, flags) {
  return guard(
    !is_browser(),
    new Error(new NotABrowser()),
    () => {
      return start(app, selector, flags);
    }
  );
}

// build/dev/javascript/lustre/lustre/element/html.mjs
function h1(attrs, children) {
  return element("h1", attrs, children);
}
function nav(attrs, children) {
  return element("nav", attrs, children);
}
function div(attrs, children) {
  return element("div", attrs, children);
}
function p(attrs, children) {
  return element("p", attrs, children);
}
function a(attrs, children) {
  return element("a", attrs, children);
}
function input(attrs) {
  return element("input", attrs, toList([]));
}

// build/dev/javascript/lustre/lustre/event.mjs
function on2(name, handler) {
  return on(name, handler);
}
function value2(event2) {
  let _pipe = event2;
  return field("target", field("value", string))(
    _pipe
  );
}

// build/dev/javascript/lustre_ui/lustre/ui/layout/stack.mjs
function of(element2, attributes, children) {
  return element2(
    prepend(class$("lustre-ui-stack"), attributes),
    children
  );
}
function stack(attributes, children) {
  return of(div, attributes, children);
}

// build/dev/javascript/lustre_ui/lustre/ui/input.mjs
function input2(attributes) {
  return input(
    prepend(class$("lustre-ui-input"), attributes)
  );
}

// build/dev/javascript/lustre_ui/lustre/ui/layout/centre.mjs
function of2(element2, attributes, children) {
  return element2(
    prepend(class$("lustre-ui-centre"), attributes),
    toList([children])
  );
}
function centre(attributes, children) {
  return of2(div, attributes, children);
}

// build/dev/javascript/lustre_ui/lustre/ui/layout/cluster.mjs
function of3(element2, attributes, children) {
  return element2(
    prepend(class$("lustre-ui-cluster"), attributes),
    children
  );
}

// build/dev/javascript/gleam_community_colour/gleam_community/colour.mjs
var Rgba = class extends CustomType {
  constructor(r, g, b, a2) {
    super();
    this.r = r;
    this.g = g;
    this.b = b;
    this.a = a2;
  }
};
var light_red = new Rgba(
  0.9372549019607843,
  0.1607843137254902,
  0.1607843137254902,
  1
);
var red = new Rgba(0.8, 0, 0, 1);
var dark_red = new Rgba(0.6431372549019608, 0, 0, 1);
var light_orange = new Rgba(
  0.9882352941176471,
  0.6862745098039216,
  0.24313725490196078,
  1
);
var orange = new Rgba(0.9607843137254902, 0.4745098039215686, 0, 1);
var dark_orange = new Rgba(
  0.807843137254902,
  0.3607843137254902,
  0,
  1
);
var light_yellow = new Rgba(
  1,
  0.9137254901960784,
  0.30980392156862746,
  1
);
var yellow = new Rgba(0.9294117647058824, 0.8313725490196079, 0, 1);
var dark_yellow = new Rgba(
  0.7686274509803922,
  0.6274509803921569,
  0,
  1
);
var light_green = new Rgba(
  0.5411764705882353,
  0.8862745098039215,
  0.20392156862745098,
  1
);
var green = new Rgba(
  0.45098039215686275,
  0.8235294117647058,
  0.08627450980392157,
  1
);
var dark_green = new Rgba(
  0.3058823529411765,
  0.6039215686274509,
  0.023529411764705882,
  1
);
var light_blue = new Rgba(
  0.4470588235294118,
  0.6235294117647059,
  0.8117647058823529,
  1
);
var blue = new Rgba(
  0.20392156862745098,
  0.396078431372549,
  0.6431372549019608,
  1
);
var dark_blue = new Rgba(
  0.12549019607843137,
  0.2901960784313726,
  0.5294117647058824,
  1
);
var light_purple = new Rgba(
  0.6784313725490196,
  0.4980392156862745,
  0.6588235294117647,
  1
);
var purple = new Rgba(
  0.4588235294117647,
  0.3137254901960784,
  0.4823529411764706,
  1
);
var dark_purple = new Rgba(
  0.3607843137254902,
  0.20784313725490197,
  0.4,
  1
);
var light_brown = new Rgba(
  0.9137254901960784,
  0.7254901960784313,
  0.43137254901960786,
  1
);
var brown = new Rgba(
  0.7568627450980392,
  0.49019607843137253,
  0.06666666666666667,
  1
);
var dark_brown = new Rgba(
  0.5607843137254902,
  0.34901960784313724,
  0.00784313725490196,
  1
);
var black = new Rgba(0, 0, 0, 1);
var white = new Rgba(1, 1, 1, 1);
var light_grey = new Rgba(
  0.9333333333333333,
  0.9333333333333333,
  0.9254901960784314,
  1
);
var grey = new Rgba(
  0.8274509803921568,
  0.8431372549019608,
  0.8117647058823529,
  1
);
var dark_grey = new Rgba(
  0.7294117647058823,
  0.7411764705882353,
  0.7137254901960784,
  1
);
var light_gray = new Rgba(
  0.9333333333333333,
  0.9333333333333333,
  0.9254901960784314,
  1
);
var gray = new Rgba(
  0.8274509803921568,
  0.8431372549019608,
  0.8117647058823529,
  1
);
var dark_gray = new Rgba(
  0.7294117647058823,
  0.7411764705882353,
  0.7137254901960784,
  1
);
var light_charcoal = new Rgba(
  0.5333333333333333,
  0.5411764705882353,
  0.5215686274509804,
  1
);
var charcoal = new Rgba(
  0.3333333333333333,
  0.3411764705882353,
  0.3254901960784314,
  1
);
var dark_charcoal = new Rgba(
  0.1803921568627451,
  0.20392156862745098,
  0.21176470588235294,
  1
);
var pink = new Rgba(1, 0.6862745098039216, 0.9529411764705882, 1);

// build/dev/javascript/lustre_ui/lustre/ui.mjs
var centre2 = centre;
var input3 = input2;
var stack2 = stack;

// build/dev/javascript/lustre_ui/lustre/ui/util/cn.mjs
function text_xl() {
  return class$("text-xl");
}
function mt_xl() {
  return class$("mt-xl");
}

// build/dev/javascript/modem/modem.ffi.mjs
var defaults = {
  handle_external_links: false,
  handle_internal_links: true
};
var do_init = (dispatch, options = defaults) => {
  document.body.addEventListener("click", (event2) => {
    const a2 = find_anchor(event2.target);
    if (!a2)
      return;
    try {
      const url = new URL(a2.href);
      const uri = uri_from_url(url);
      const is_external = url.host !== window.location.host;
      if (!options.handle_external_links && is_external)
        return;
      if (!options.handle_internal_links && !is_external)
        return;
      event2.preventDefault();
      if (!is_external) {
        window.history.pushState({}, "", a2.href);
        window.requestAnimationFrame(() => {
          if (url.hash) {
            document.getElementById(url.hash.slice(1))?.scrollIntoView();
          }
        });
      }
      return dispatch(uri);
    } catch {
      return;
    }
  });
  window.addEventListener("popstate", (e) => {
    e.preventDefault();
    const url = new URL(window.location.href);
    const uri = uri_from_url(url);
    window.requestAnimationFrame(() => {
      if (url.hash) {
        document.getElementById(url.hash.slice(1))?.scrollIntoView();
      }
    });
    dispatch(uri);
  });
};
var find_anchor = (el2) => {
  if (el2.tagName === "BODY") {
    return null;
  } else if (el2.tagName === "A") {
    return el2;
  } else {
    return find_anchor(el2.parentElement);
  }
};
var uri_from_url = (url) => {
  return new Uri(
    /* scheme   */
    new (url.protocol ? Some : None)(url.protocol),
    /* userinfo */
    new None(),
    /* host     */
    new (url.host ? Some : None)(url.host),
    /* port     */
    new (url.port ? Some : None)(url.port),
    /* path     */
    url.pathname,
    /* query    */
    new (url.search ? Some : None)(url.search),
    /* fragment */
    new (url.hash ? Some : None)(url.hash.slice(1))
  );
};

// build/dev/javascript/modem/modem.mjs
function init2(handler) {
  return from2(
    (dispatch) => {
      return do_init(
        (uri) => {
          let _pipe = uri;
          let _pipe$1 = handler(_pipe);
          return dispatch(_pipe$1);
        }
      );
    }
  );
}

// build/dev/javascript/app/app.mjs
var Model = class extends CustomType {
  constructor(current_route, guests, new_guest_name) {
    super();
    this.current_route = current_route;
    this.guests = guests;
    this.new_guest_name = new_guest_name;
  }
};
var Home = class extends CustomType {
};
var WelcomeGuest = class extends CustomType {
  constructor(value3) {
    super();
    this.value = value3;
  }
};
var Guest = class extends CustomType {
  constructor(slug, name) {
    super();
    this.slug = slug;
    this.name = name;
  }
};
var OnRouteChange = class extends CustomType {
  constructor(x0) {
    super();
    this[0] = x0;
  }
};
var UserUpdatedNewGuestName = class extends CustomType {
  constructor(x0) {
    super();
    this[0] = x0;
  }
};
var UserAddedNewGuest = class extends CustomType {
  constructor(x0) {
    super();
    this[0] = x0;
  }
};
function on_route_change(uri) {
  let $ = path_segments(uri.path);
  if ($.hasLength(2) && $.head === "welcome") {
    let guest = $.tail.head;
    return new OnRouteChange(new WelcomeGuest(guest));
  } else {
    return new OnRouteChange(new Home());
  }
}
function init3(_) {
  return [
    new Model(
      new Home(),
      toList([new Guest("chihiro", "Chihiro"), new Guest("totoro", "Totoro")]),
      ""
    ),
    init2(on_route_change)
  ];
}
function update2(model, msg) {
  if (msg instanceof OnRouteChange) {
    let route = msg[0];
    return [model.withFields({ current_route: route }), none()];
  } else if (msg instanceof UserUpdatedNewGuestName) {
    let name = msg[0];
    return [model.withFields({ new_guest_name: name }), none()];
  } else {
    let guest = msg[0];
    return [
      model.withFields({
        guests: append(model.guests, toList([guest])),
        new_guest_name: ""
      }),
      none()
    ];
  }
}
function view_nav(model) {
  let item_styles = toList([["text-decoration", "underline"]]);
  let view_nav_item = (path, text2) => {
    return a(
      toList([href("/" + path), style(item_styles)]),
      toList([text(text2)])
    );
  };
  let guest_nav_items = (() => {
    let _pipe = model.guests;
    return map(
      _pipe,
      (guest) => {
        return view_nav_item("welcome/" + guest.slug, guest.name);
      }
    );
  })();
  return of3(
    nav,
    toList([]),
    prepend(view_nav_item("", "Home"), guest_nav_items)
  );
}
function view_body(children) {
  return centre2(toList([mt_xl()]), stack2(toList([]), children));
}
function view_title(text2) {
  return h1(toList([text_xl()]), toList([text(text2)]));
}
function view_home(model) {
  let new_guest_input = (event2) => {
    return try$(
      field("key", string)(event2),
      (key_code) => {
        if (key_code === "Enter") {
          let guest_slug = (() => {
            let _pipe = model.new_guest_name;
            let _pipe$1 = replace2(_pipe, " ", "-");
            return lowercase2(_pipe$1);
          })();
          return new Ok(
            new UserAddedNewGuest(new Guest(guest_slug, model.new_guest_name))
          );
        } else {
          return try$(
            value2(event2),
            (value3) => {
              return new Ok(new UserUpdatedNewGuestName(value3));
            }
          );
        }
      }
    );
  };
  return view_body(
    toList([
      view_title("Welcome to the Party \u{1F3E1}"),
      p(
        toList([]),
        toList([text("Please sign the guest book:")])
      ),
      input3(
        toList([
          on2("keyup", new_guest_input),
          value(model.new_guest_name)
        ])
      )
    ])
  );
}
function view_welcome(model, slug) {
  let guest = (() => {
    let _pipe = model.guests;
    return find2(_pipe, (guest2) => {
      return guest2.slug === slug;
    });
  })();
  let title = (() => {
    if (guest.isOk()) {
      let guest$1 = guest[0];
      return view_title("Hello, " + guest$1.name + "! \u{1F389}");
    } else {
      return view_title("Sorry ... didn't quite catch that.");
    }
  })();
  return view_body(toList([title]));
}
function view(model) {
  let styles = toList([["margin", "15vh"]]);
  let page = (() => {
    let $ = model.current_route;
    if ($ instanceof Home) {
      return view_home(model);
    } else {
      let name = $.value;
      return view_welcome(model, name);
    }
  })();
  return stack2(
    toList([style(styles)]),
    toList([view_nav(model), page])
  );
}
function main() {
  let app = application(init3, update2, view);
  let $ = start3(app, "#app", void 0);
  if (!$.isOk()) {
    throw makeError(
      "assignment_no_match",
      "app",
      21,
      "main",
      "Assignment pattern did not match",
      { value: $ }
    );
  }
  return $;
}

// build/.lustre/entry.mjs
main();