chinese-parseint2/dist/index.umd.development.cjs

parse Chinese numeric strings to integer

(function (global, factory) {
	typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
	typeof define === 'function' && define.amd ? define(['exports'], factory) :
	(global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.ChineseParseint2 = {}));
})(this, (function (exports) { 'use strict';

	const characters = /*#__PURE__*/Object.freeze({
	  "０": 0,
	  "零": 0,
	  "○": 0,
	  "〇": 0,
	  "洞": 0,
	  "１": 1,
	  "一": 1,
	  "壹": 1,
	  "ㄧ": 1,
	  "弌": 1,
	  "么": 1,
	  "２": 2,
	  "二": 2,
	  "貳": 2,
	  "贰": 2,
	  "弍": 2,
	  "兩": 2,
	  "两": 2,
	  "３": 3,
	  "三": 3,
	  "參": 3,
	  "叁": 3,
	  "弎": 3,
	  "参": 3,
	  "叄": 3,
	  "４": 4,
	  "四": 4,
	  "肆": 4,
	  "䦉": 4,
	  "刀": 4,
	  "５": 5,
	  "五": 5,
	  "伍": 5,
	  "６": 6,
	  "六": 6,
	  "陸": 6,
	  "陆": 6,
	  "７": 7,
	  "七": 7,
	  "柒": 7,
	  "拐": 7,
	  "８": 8,
	  "八": 8,
	  "捌": 8,
	  "杯": 8,
	  "９": 9,
	  "九": 9,
	  "玖": 9,
	  "勾": 9,
	  "十": 10,
	  "拾": 10,
	  "什": 10,
	  "呀": 10,
	  "百": 100,
	  "佰": 100,
	  "千": 1000,
	  "仟": 1000,
	  "念": 20,
	  "廿": 20,
	  "卅": 30,
	  "卌": 40,
	  "皕": 200,
	  "萬": 1e+4,
	  "万": 1e+4,
	  "億": 1e+8,
	  "亿": 1e+8,
	  "兆": 1e+12,
	  "京": 1e+16,
	  "經": 1e+16,
	  "经": 1e+16,
	  "垓": 1e+20,
	  "秭": 1e+24,
	  "杼": 1e+24,
	  "穰": 1e+28,
	  "壤": 1e+28,
	  "溝": 1e+32,
	  "沟": 1e+32,
	  "澗": 1e+36,
	  "涧": 1e+36,
	  "正": 1e+40,
	  "載": 1e+44,
	  "極": 1e+48
	});

	function _isNegative(str) {
	  return /^[負负-]/.test(str);
	}
	function isSpecialCharVal(char) {
	  return typeof getSpecialCharVal(char) === 'number';
	}
	function getSpecialCharVal(char) {
	  return characters[char];
	}
	function chinese_parseInt(str, radix) {
	  const result = parseInt(str, radix);
	  if (!isNaN(result)) return result;
	  if (typeof str !== "string") return NaN;
	  str = str.replace(/[\s　]+/g, "");
	  return _chineseParseIntCore(str);
	}
	function _chineseParseIntCore(str) {
	  const negative = _isNegative(str);
	  if (negative) str = str.slice(1);
	  let charVal;
	  let result = 0;
	  let partialSum = 0;
	  let digit = -1;
	  for (let i = 0; i < str.length; ++i) {
	    charVal = getSpecialCharVal(str.charAt(i));
	    if (charVal === undefined) return NaN;
	    if (charVal < 10) {
	      digit = digit == -1 ? charVal : digit * 10 + charVal;
	    } else if (charVal < 1e+4) {
	      if (digit == -1) digit = 1;
	      if (i > 1 && digit == 0 && getSpecialCharVal(str.charAt(i - 2)) != 100) {
	        digit = 1;
	      }
	      partialSum += digit * charVal;
	      digit = -1;
	    } else {
	      if (digit != -1) partialSum += digit;
	      if (i && getSpecialCharVal(str.charAt(i - 1)) >= 1e+4) {
	        result *= getSpecialCharVal(str.charAt(i));
	      } else {
	        result += partialSum * charVal;
	      }
	      partialSum = 0;
	      digit = -1;
	    }
	  }
	  if (digit > 0) {
	    if (str.length > 1) {
	      charVal = getSpecialCharVal(str.charAt(str.length - 2));
	      if (charVal < 100) {
	        partialSum += digit;
	      } else {
	        charVal /= charVal.toString().charAt(0);
	        partialSum += digit * (charVal / 10);
	      }
	    } else {
	      partialSum += digit;
	    }
	  }
	  result += partialSum;
	  if (negative) result *= -1;
	  return result;
	}

	exports._chineseParseIntCore = _chineseParseIntCore;
	exports._isNegative = _isNegative;
	exports.characters = characters;
	exports.chinese_parseInt = chinese_parseInt;
	exports.default = chinese_parseInt;
	exports.getSpecialCharVal = getSpecialCharVal;
	exports.isSpecialCharVal = isSpecialCharVal;

	Object.defineProperty(exports, '__esModule', { value: true });

}));
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