handlers.ts

// @ts-ignore
import pangu from "pangu";
import {Converter} from "opencc-js";

export interface TextHandler {
  activate: boolean,  // 默认是否启用
  description: string,  // 对该功能的描述
  executor: (text: string) => string  // 功能函数
}

export interface TextHandlers {
  [handlerName: string]: TextHandler;
}

export interface TextHandlerWithName extends TextHandler {
  handlerName: string;
}

export type ReplaceTuple = [RegExp | string, string]

export const textHandlers: TextHandlers = {
  transferEnglishPunctuationToChinese: {
    activate: false,
    description: "将英文标点转换为中文标点",
    executor: text => {
      const punctuationTuples: ReplaceTuple[] = [
        [/'([\s\S]+?)'/g, "‘$1’"],
        [/"([\s\S]+?)"/g, "“$1”"],
        [",", "，"],
        [/\.(\D)/g, "。$1"],  /** `\D`:避免是小数点 */
        [":", "："],
        [";", "；"],
        ["[", "【"],
        ["]", "】"],
        ["?", "？"],
        ["(", "（"],
        [")", "）"],
        ["!", "！"],
      ];
      return punctuationTuples.reduce((t, tuple) => t.replaceAll(tuple[0], tuple[1]), text);
    },
  },

  transferChinesePunctuationToEnglish: {
    activate: false,
    description: "将中文标点转换为英文标点",
    executor: text => {
      const punctuationTuples: ReplaceTuple[] = [
        [/[‘’]/g, "'"],
        [/[“”]/g, "\""],
        ["，", ","],
        ["。", "."],
        ["：", ":"],
        ["；", ";"],
        ["【", "["],
        ["】", "]"],
        ["？", "?"],
        ["（", "("],
        ["）", ")"],
        ["！", "!"],
      ];
      return punctuationTuples.reduce((t, tuple) => t.replaceAll(tuple[0], tuple[1]), text);
    },
  },

  deleteReferenceCurveBadge: {
    description: "删除引用角标，如: (1), (2, 3), (4-7)",
    activate: false,
    executor: text => text.replaceAll(/\([\d,\-\s]+\)/g, ""),
  },

  deleteReferenceBadge: {
    description: "删除引用角标，如: [1], [2, 3], [4-7]",
    activate: true,
    executor: text => {
      text = text.replaceAll(/\[[\d,\-\s]+]/g, "");
      text = text.replaceAll(/【[\d,\-\s]+】/g, "");
      return text;
    },
  },

  /** 全角转半角, 参考：
   * 1. https://www.cnblogs.com/html55/p/10298569.html
   * 2. https://unicode-table.com/cn/search/?q=%E5%85%A8%E5%BD%A2%E6%95%B0%E5%AD%97 */
  convertFullWidthCharactersToHalfWidth: {
    activate: true,
    description: "全角字符转半角字符",
    executor: (text: string) => {
      let result = "";
      for (let i = 0; i < text.length; i++) {
        let char = text.charCodeAt(i);
        // 中文空格替换为英文空格
        if (char == 12288) {
          result += " ";
        } else if (char > 65280 && char < 65375
          // 对以下全角字符不做转换
          && [..."，：；·！#￥%…（）"].indexOf(text[i]) === -1) {
          result += String.fromCharCode(char - 65248);
        } else {
          result += String.fromCharCode(text.charCodeAt(i));
        }
      }
      return result;
    },
  },

  deleteMultipleNewlines: {
    activate: true,
    description: "删除重复的换行符",
    executor: (text: string) => text.replaceAll(/[\f\r\t\n]+/g, "\n"),
  },

  /** 替换换行符为空格 (参考：https://blog.csdn.net/lfod1997/article/details/121095287) */
  replaceNewlinesWithSpaces: {
    activate: true,
    description: "将换行符替换为空格",
    executor: (text: string) => text.replaceAll(/[\f\r\t\n]/g, " "),
  },

  replaceMultipleSpacesWithASingleSpace: {
    activate: true,
    description: "删除重复的空格",
    executor: (text: string) => text.replaceAll(/ +/g, " "),
  },

  removeSpacesBetweenNonEnglishLetters: {
    activate: true,
    description: "删除非英文字母间的空格",
    executor: (text: string) => text
      .replaceAll(/([^A-Za-z"':]) +/g, "$1")
      .replaceAll(/ +([^A-Za-z"':])/g, "$1"),
  },

  addSpaceAfterEnglishPunctuation: {
    activate: true,
    description: "在标点符号后添加空格",
    executor: (text: string) => text
      .replaceAll(/([,.?:;])([^,.?:;\s])/g, "$1 $2")
      .replaceAll(/(\))([a-zA-Z\d])/g, "$1 $2"),
  },

  deleteSpaceBetweenDotAndNumber: {
    activate: true,
    description: "删除小数点和数字之间的空格",
    executor: (text: string) => text.replaceAll(/(\.)\s+(\d)/g, "$1$2"),
  },

  addSpacesBetweenEnglishLettersAndNumbers: {
    activate: false,
    description: "在字母与数字之间添加空格",
    executor: (text: string) => text
      .replaceAll(/(\d)([A-Za-z])/g, "$1 $2")
      .replaceAll(/([A-Za-z])(\d)/g, "$1 $2"),
  },

  deleteSpaceBetweenColonAndNumber: {
    activate: false,
    description: "删除冒号和数字之间的空格",
    executor: (text: string) => text.replaceAll(/(:)\s+(\d)/g, "$1$2"),
  },

  addWhiteOfPanGu: {
    description: `规范中文排版 <a href='https://sspai.com/post/37815' target='_blank'>(参考文章)</a>`,
    activate: false,
    executor: (text: string) => pangu.spacing(text),
  },

  switchSimplifiedChineseToTraditionalChinese: {
    description: "将简体中文转换为繁体中文",
    activate: false,
    executor: (text: string) => {
      const converter = Converter({from: "cn", to: "hk"});
      return converter(text);
    },
  },

  switchTraditionalChineseToSimplifiedChinese: {
    description: "将繁体中文转换为简体中文",
    activate: false,
    executor: (text: string) => {
      const converter = Converter({from: "hk", to: "cn"});
      return converter(text);
    },
  },

  correctKangxiRadicals: {
    description: "将康熙部首替换为正常字符",
    activate: true,
    executor: (text: string) => {
      const kangxiMap = {
        "⼀": "一",
        "⼁": "丨",
        "⼂": "丶",
        "⼃": "丿",
        "⼄": "乙",
        "⼅": "亅",
        "⼆": "二",
        "⼇": "亠",
        "⼈": "人",
        "⼉": "儿",
        "⼊": "入",
        "⼋": "八",
        "⼌": "冂",
        "⼍": "冖",
        "⼎": "冫",
        "⼏": "几",
        "⼐": "凵",
        "⼑": "刀",
        "⼒": "力",
        "⼓": "勹",
        "⼔": "匕",
        "⼕": "匚",
        "⼖": "匸",
        "⼗": "十",
        "⼘": "卜",
        "⼙": "卩",
        "⼚": "厂",
        "⼛": "厶",
        "⼜": "又",
        "⼝": "口",
        "⼞": "囗",
        "⼟": "土",
        "⼠": "士",
        "⼡": "夂",
        "⼢": "夊",
        "⼣": "夕",
        "⼤": "大",
        "⼥": "女",
        "⼦": "子",
        "⼧": "宀",
        "⼨": "寸",
        "⼩": "小",
        "⼪": "尢",
        "⼫": "尸",
        "⼬": "屮",
        "⼭": "山",
        "⼮": "巛",
        "⼯": "工",
        "⼰": "己",
        "⼱": "巾",
        "⼲": "干",
        "⼳": "幺",
        "⼴": "广",
        "⼵": "廴",
        "⼶": "廾",
        "⼷": "弋",
        "⼸": "弓",
        "⼹": "彐",
        "⼺": "彡",
        "⼻": "彳",
        "⼼": "心",
        "⼽": "戈",
        "⼾": "戸",
        "⼿": "手",
        "⽀": "支",
        "⽁": "攴",
        "⽂": "文",
        "⽃": "斗",
        "⽄": "斤",
        "⽅": "方",
        "⽆": "无",
        "⽇": "日",
        "⽈": "曰",
        "⽉": "月",
        "⽊": "木",
        "⽋": "欠",
        "⽌": "止",
        "⽍": "歹",
        "⽎": "殳",
        "⽏": "毋",
        "⽐": "比",
        "⽑": "毛",
        "⽒": "氏",
        "⽓": "气",
        "⽔": "水",
        "⽕": "火",
        "⽖": "爪",
        "⽗": "父",
        "⽘": "爻",
        "⽙": "爿",
        "⽚": "片",
        "⽛": "牙",
        "⽜": "牛",
        "⽝": "犬",
        "⽞": "玄",
        "⽟": "玉",
        "⽠": "瓜",
        "⽡": "瓦",
        "⽢": "甘",
        "⽣": "生",
        "⽤": "用",
        "⽥": "田",
        "⽦": "疋",
        "⽧": "疒",
        "⽨": "癶",
        "⽩": "白",
        "⽪": "皮",
        "⽫": "皿",
        "⽬": "目",
        "⽭": "矛",
        "⽮": "矢",
        "⽯": "石",
        "⽰": "示",
        "⽱": "禸",
        "⽲": "禾",
        "⽳": "穴",
        "⽴": "立",
        "⽵": "竹",
        "⽶": "米",
        "⽷": "糸",
        "⽸": "缶",
        "⽹": "网",
        "⽺": "羊",
        "⽻": "羽",
        "⽼": "老",
        "⽽": "而",
        "⽾": "耒",
        "⽿": "耳",
        "⾀": "聿",
        "⾁": "肉",
        "⾂": "臣",
        "⾃": "自",
        "⾄": "至",
        "⾅": "臼",
        "⾆": "舌",
        "⾇": "舛",
        "⾈": "舟",
        "⾉": "艮",
        "⾊": "色",
        "⾋": "艸",
        "⾌": "虍",
        "⾍": "虫",
        "⾎": "血",
        "⾏": "行",
        "⾐": "衣",
        "⾑": "襾",
        "⾒": "見",
        "⾓": "角",
        "⾔": "言",
        "⾕": "谷",
        "⾖": "豆",
        "⾗": "豕",
        "⾘": "豸",
        "⾙": "貝",
        "⾚": "赤",
        "⾛": "走",
        "⾜": "足",
        "⾝": "身",
        "⾞": "車",
        "⾟": "辛",
        "⾠": "辰",
        "⾡": "辵",
        "⾢": "邑",
        "⾣": "酉",
        "⾤": "釆",
        "⾥": "里",
        "⾦": "金",
        "⾧": "長",
        "⾨": "門",
        "⾩": "阜",
        "⾪": "隶",
        "⾫": "隹",
        "⾬": "雨",
        "⾭": "靑",
        "⾮": "非",
        "⾯": "面",
        "⾰": "革",
        "⾱": "韋",
        "⾲": "韭",
        "⾳": "音",
        "⾴": "頁",
        "⾵": "風",
        "⾶": "飛",
        "⾷": "食",
        "⾸": "首",
        "⾹": "香",
        "⾺": "馬",
        "⾻": "骨",
        "⾼": "高",
        "⾽": "髟",
        "⾾": "鬥",
        "⾿": "鬯",
        "⿀": "鬲",
        "⿁": "鬼",
        "⿂": "魚",
        "⿃": "鳥",
        "⿄": "鹵",
        "⿅": "鹿",
        "⿆": "麥",
        "⿇": "麻",
        "⿈": "黃",
        "⿉": "黍",
        "⿊": "黒",
        "⿋": "黹",
        "⿌": "黽",
        "⿍": "鼎",
        "⿎": "鼓",
        "⿏": "鼠",
        "⿐": "鼻",
        "⿑": "齊",
        "⿒": "齒",
        "⿓": "龍",
        "⿔": "龜",
        "⿕": "龠",
      };
      type Radicals = keyof typeof kangxiMap;
      const regexp = /([\u2f00-\u2fd5])/g;
      return text.replace(regexp, (m: string) => {
        return kangxiMap[m as Radicals] || m;
      });
    },
  },
};