rss-nostr-lambda/node_modules/nostr-tools/lib/esm/utils.js

// utils.ts
var utf8Decoder = new TextDecoder("utf-8");
var utf8Encoder = new TextEncoder();
function normalizeURL(url) {
  let p = new URL(url);
  p.pathname = p.pathname.replace(/\/+/g, "/");
  if (p.pathname.endsWith("/"))
    p.pathname = p.pathname.slice(0, -1);
  if (p.port === "80" && p.protocol === "ws:" || p.port === "443" && p.protocol === "wss:")
    p.port = "";
  p.searchParams.sort();
  p.hash = "";
  return p.toString();
}
function insertEventIntoDescendingList(sortedArray, event) {
  let start = 0;
  let end = sortedArray.length - 1;
  let midPoint;
  let position = start;
  if (end < 0) {
    position = 0;
  } else if (event.created_at < sortedArray[end].created_at) {
    position = end + 1;
  } else if (event.created_at >= sortedArray[start].created_at) {
    position = start;
  } else
    while (true) {
      if (end <= start + 1) {
        position = end;
        break;
      }
      midPoint = Math.floor(start + (end - start) / 2);
      if (sortedArray[midPoint].created_at > event.created_at) {
        start = midPoint;
      } else if (sortedArray[midPoint].created_at < event.created_at) {
        end = midPoint;
      } else {
        position = midPoint;
        break;
      }
    }
  if (sortedArray[position]?.id !== event.id) {
    return [...sortedArray.slice(0, position), event, ...sortedArray.slice(position)];
  }
  return sortedArray;
}
function insertEventIntoAscendingList(sortedArray, event) {
  let start = 0;
  let end = sortedArray.length - 1;
  let midPoint;
  let position = start;
  if (end < 0) {
    position = 0;
  } else if (event.created_at > sortedArray[end].created_at) {
    position = end + 1;
  } else if (event.created_at <= sortedArray[start].created_at) {
    position = start;
  } else
    while (true) {
      if (end <= start + 1) {
        position = end;
        break;
      }
      midPoint = Math.floor(start + (end - start) / 2);
      if (sortedArray[midPoint].created_at < event.created_at) {
        start = midPoint;
      } else if (sortedArray[midPoint].created_at > event.created_at) {
        end = midPoint;
      } else {
        position = midPoint;
        break;
      }
    }
  if (sortedArray[position]?.id !== event.id) {
    return [...sortedArray.slice(0, position), event, ...sortedArray.slice(position)];
  }
  return sortedArray;
}
var MessageNode = class {
  _value;
  _next;
  get value() {
    return this._value;
  }
  set value(message) {
    this._value = message;
  }
  get next() {
    return this._next;
  }
  set next(node) {
    this._next = node;
  }
  constructor(message) {
    this._value = message;
    this._next = null;
  }
};
var MessageQueue = class {
  _first;
  _last;
  get first() {
    return this._first;
  }
  set first(messageNode) {
    this._first = messageNode;
  }
  get last() {
    return this._last;
  }
  set last(messageNode) {
    this._last = messageNode;
  }
  _size;
  get size() {
    return this._size;
  }
  set size(v) {
    this._size = v;
  }
  constructor() {
    this._first = null;
    this._last = null;
    this._size = 0;
  }
  enqueue(message) {
    const newNode = new MessageNode(message);
    if (this._size === 0 || !this._last) {
      this._first = newNode;
      this._last = newNode;
    } else {
      this._last.next = newNode;
      this._last = newNode;
    }
    this._size++;
    return true;
  }
  dequeue() {
    if (this._size === 0 || !this._first)
      return null;
    let prev = this._first;
    this._first = prev.next;
    prev.next = null;
    this._size--;
    return prev.value;
  }
};
export {
  MessageNode,
  MessageQueue,
  insertEventIntoAscendingList,
  insertEventIntoDescendingList,
  normalizeURL,
  utf8Decoder,
  utf8Encoder
};