@r3l/app/lib/utils/post.js

Relevant App

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getTitle = getTitle;
exports.getFavIcon = getFavIcon;
exports.getPostType = exports.computeShares = exports.getPostUrl = exports.URL_REGEX = void 0;

var _common = require("@r3l/common");

var URL_REGEX = new RegExp( // eslint-disable-next-line
/(http(s)?:\/\/.)?(www\.)?[-a-zA-Z0-9@:%_\+~#=]{2,256}\.[a-z]{2,10}\b([-a-zA-Z0-9@:%_\+~#?&//=]*)/g);
exports.URL_REGEX = URL_REGEX;

function getTitle(_ref) {
  var post = _ref.post,
      link = _ref.link,
      maxLength = _ref.maxLength;
  if ((post === null || post === void 0 ? void 0 : post.type) === 'image') return null;
  var title = (link === null || link === void 0 ? void 0 : link.title) || (post === null || post === void 0 ? void 0 : post.title);
  var fromBody = !title || title === '';
  title = title || (post === null || post === void 0 ? void 0 : post.body);
  var limit = maxLength || 160;

  if (fromBody) {
    var _title, _title2, _title3;

    var lines = (_title = title) === null || _title === void 0 ? void 0 : _title.split(/\n/);
    title = lines === null || lines === void 0 ? void 0 : lines.slice(0, 1).join('\n');
    if (!title) return 'Untitled';
    if (((_title2 = title) === null || _title2 === void 0 ? void 0 : _title2.length) <= limit) return title;
    return ((_title3 = title) === null || _title3 === void 0 ? void 0 : _title3.substr(0, title.lastIndexOf(' ', limit))) + '...';
  }

  if (title && title.length > limit) {
    title = title.substr(0, title.lastIndexOf(' ', limit)) + '...';
  }

  title = title && title.trim();
  return title || 'Untitled';
}

function getFavIcon(domain) {
  return "https://api.faviconkit.com/".concat(domain, "/144"); // return `https://s2.googleusercontent.com/s2/favicons?domain=${domain}`;
}

var getPostUrl = function getPostUrl(community, post) {
  if (!post) return null;
  var parentPost = post.parentPost;
  var postId = parentPost ? parentPost._id || parentPost : post._id || post;
  var commentId = parentPost ? '/' + (post._id || post) : '';
  return "/".concat(community, "/post/").concat(postId).concat(commentId);
};

exports.getPostUrl = getPostUrl;

var computeShares = function computeShares(_ref2) {
  var post = _ref2.post,
      stakedTokens = _ref2.stakedTokens;
  var existingStake = post.data.balance;
  var nexp = _common.EXPONENT + 1;
  var totalStake = existingStake + stakedTokens;
  var oldShares = _common.SLOPE / nexp * Math.pow(existingStake, 1 / nexp);
  var newShares = _common.SLOPE / nexp * Math.pow(totalStake, 1 / nexp);
  var shares = newShares - oldShares;
  if (shares < 0) return 0;
  return shares;
};

exports.computeShares = computeShares;

var getPostType = function getPostType(_ref3) {
  var post = _ref3.post;
  var type = !post.parentPost && post.url ? 'link' : post.type;
  return type;
};

exports.getPostType = getPostType;
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