ptt-scr/dist/list.js

ＰＴＴ文章列表

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _slicedToArray2 = _interopRequireDefault(require("@babel/runtime/helpers/slicedToArray"));

var _cheerio = _interopRequireDefault(require("cheerio"));

var prePageSelector = '.btn-group-paging a:nth-child(2)';
var listSelector = '.r-ent';
var titleSelector = '.title a';
var titleLinkSelector = '.title a';
var authorSelector = '.meta .author';
var dateSelector = '.meta .date';
var pushContentSelector = '.nrec';

var pushContent = function pushContent(value) {
  return value ? value.trim() : '';
};

var getCategory = function getCategory(value, categoryPattern) {
  if (value && typeof value === 'string') {
    return value.match(categoryPattern) ? value.match(categoryPattern)[1].trim() : '標題格式錯誤';
  }
};

var fullLink = function fullLink(value) {
  return value ? "https://www.ptt.cc/".concat(value) : '';
};

var getPrePageNumber = function getPrePageNumber(value) {
  if (value) {
    var _$exec = /index(\d+).html/.exec(value),
        _$exec2 = (0, _slicedToArray2.default)(_$exec, 2),
        number = _$exec2[1];

    return +number;
  }

  return 0;
};

var _default = function _default(html) {
  var categoryPattern = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : /\[(.+)\]/;

  var $ = _cheerio.default.load(html);

  var items = [];
  var prePageNumber = getPrePageNumber($(prePageSelector).attr('href'));
  $(listSelector).each(function (i, el) {
    $ = $.load(el);
    var title = $(titleSelector).text();
    var category = getCategory(title, categoryPattern);
    var link = fullLink($(titleLinkSelector).attr('href'));
    var author = $(authorSelector).text();
    var push = pushContent($(pushContentSelector).text());
    var date = $(dateSelector).text();
    var item = {
      title: title,
      category: category,
      link: link,
      author: author,
      push: push,
      date: date
    };
    items.push(item);
  });
  return {
    prePageNumber: prePageNumber,
    items: items
  };
};

exports.default = _default;