@yhiot/utils/lib/forbid.js

基本工具集

"use strict";

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

function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }

function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }

function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }

/**
 * @description
 * 构造敏感词map
 * @private
 * @returns
 */
var makeSensitiveMap = function makeSensitiveMap(sensitiveWordList) {
  // 构造根节点
  var result = new Map();

  var _iterator = _createForOfIteratorHelper(sensitiveWordList),
      _step;

  try {
    for (_iterator.s(); !(_step = _iterator.n()).done;) {
      var word = _step.value;
      var map = result;

      for (var i = 0; i < word.length; i++) {
        // 依次获取字
        var char = word.charAt(i); // 判断是否存在

        if (map.get(char)) {
          // 获取下一层节点
          map = map.get(char);
        } else {
          // 将当前节点设置为非结尾节点
          if (map.get('laster') === true) {
            map.set('laster', false);
          }

          var item = new Map(); // 新增节点默认为结尾节点

          item.set('laster', true);
          map.set(char, item);
          map = map.get(char);
        }
      }
    }
  } catch (err) {
    _iterator.e(err);
  } finally {
    _iterator.f();
  }

  return result;
};
/**
 * @description
 * 检查敏感词是否存在
 * @private
 * @param {any} txt
 * @param {any} index
 * @returns
 */


exports.makeSensitiveMap = makeSensitiveMap;

var checkSensitiveWord = function checkSensitiveWord(sensitiveMap, txt, index) {
  var currentMap = sensitiveMap;
  var flag = false;
  var wordNum = 0; //记录过滤

  var sensitiveWord = ''; //记录过滤出来的敏感词

  for (var i = index; i < txt.length; i++) {
    var word = txt.charAt(i);
    currentMap = currentMap.get(word);

    if (currentMap) {
      wordNum++;
      sensitiveWord += word;

      if (currentMap.get('laster') === true) {
        // 表示已到词的结尾
        flag = true;
        break;
      }
    } else {
      break;
    }
  } // 两字成词


  if (wordNum < 2) {
    flag = false;
  }

  return {
    flag: flag,
    sensitiveWord: sensitiveWord
  };
};

exports.checkSensitiveWord = checkSensitiveWord;

var forbidReplace = function forbidReplace(wordList, text) {
  var arrMg = ['fuck', 'tmd', '他妈的']; // 显示的内容--showContent

  var showContent = text; // 正则表达式 \d 匹配数字

  for (var i = 0; i < wordList.length; i++) {
    // 创建一个正则表达式
    var r = new RegExp(arrMg[i], 'ig');
    showContent = showContent.replace(r, '*');
  }

  return showContent;
};

exports.forbidReplace = forbidReplace;