@techmely/utils/number.js

Collection of helpful JavaScript / TypeScript utils

/*!
 * @techmely/utils
 * Copyright(c) 2021-2024 Techmely <techmely.creation@gmail.com>
 * MIT Licensed
 */

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/number.ts
var number_exports = {};
__export(number_exports, {
  CheckBoundary: () => CheckBoundary,
  DigitLength: () => DigitLength,
  Divide: () => Divide,
  EnableBoundaryChecking: () => EnableBoundaryChecking,
  Float2Fixed: () => Float2Fixed,
  Minus: () => Minus,
  Plus: () => Plus,
  Round: () => Round,
  Strip: () => Strip,
  Times: () => Times,
  formatLot10Volume: () => formatLot10Volume,
  formatNumber: () => formatNumber
});
module.exports = __toCommonJS(number_exports);

// src/convert.ts
function toBoolean(val) {
  return val ? val !== "false" : false;
}

// src/env.ts
var import_meta = {};
var _envShim = /* @__PURE__ */ Object.create(null);
var _getEnv = (useShim) => globalThis.process?.env || // Node.js/Bun
import_meta.env || // Vite env
globalThis.Deno?.env.toObject() || // Deno env
globalThis.__env__ || // Custom env
(useShim ? _envShim : globalThis);
var envs = new Proxy(_envShim, {
  get(_, prop) {
    const env = _getEnv();
    return env[prop] ?? _envShim[prop];
  },
  has(_, prop) {
    const env = _getEnv();
    return prop in env || prop in _envShim;
  },
  set(_, prop, value) {
    const env = _getEnv(true);
    env[prop] = value;
    return true;
  },
  deleteProperty(_, prop) {
    if (!prop) {
      return false;
    }
    const env = _getEnv(true);
    delete env[prop];
    return true;
  },
  ownKeys() {
    const env = _getEnv();
    return Object.keys(env);
  }
});
var nodeENV = typeof process !== "undefined" && process.env && process.env.NODE_ENV || "";

// src/process.ts
var _process = globalThis.process || /* @__PURE__ */ Object.create(null);
var processShims = {
  versions: {}
};
var process2 = new Proxy(_process, {
  get(target, prop) {
    if (prop === "env") {
      return envs;
    }
    if (prop in target) {
      return target[prop];
    }
    if (prop in processShims) {
      return processShims[prop];
    }
  }
});
var platform = _process.platform || "";

// src/is.ts
var isNumber = (val) => toString.call(val) === "[object Number]";
var isBrowser = typeof window !== "undefined";
var isAndroid = isBrowser ? /(android)/i.test(navigator.userAgent) : false;
var match = isBrowser ? window.matchMedia || window.msMatchMedia : void 0;
var isMobile = isBrowser ? match?.("(pointer:coarse)")?.matches : false;
var isCrawler = isBrowser && (!("onscroll" in window) || /(gle|ing|ro)bot|crawl|spider/i.test(navigator.userAgent));
var isCI = toBoolean(envs.CI);
var isNodeTest = nodeENV === "test" || toBoolean(envs.TEST);
var isWindows = /^win/i.test(platform);
var isLinux = /^linux/i.test(platform);
var isMacOS = /^darwin/i.test(platform);

// src/number.ts
function formatNumber(num, precision = 0, defaultValue = "-") {
  if (!isNumber(num)) {
    return defaultValue;
  }
  return num.toLocaleString("en", {
    minimumFractionDigits: precision,
    maximumFractionDigits: precision
  });
}
function formatLot10Volume(volume, precision = 0, defaultValue = "-") {
  if (!isNumber(volume)) {
    return defaultValue;
  }
  return (volume * 10)?.toLocaleString("en", { minimumFractionDigits: precision }).slice(0, -1);
}
function Strip(num, precision = 15) {
  return +parseFloat(Number(num).toPrecision(precision));
}
function DigitLength(num) {
  const eSplit = num.toString().split(/[eE]/);
  const len = (eSplit[0].split(".")[1] || "").length - +(eSplit[1] || 0);
  return len > 0 ? len : 0;
}
function Float2Fixed(num) {
  if (num.toString().indexOf("e") === -1) {
    return Number(num.toString().replace(".", ""));
  }
  const dLen = DigitLength(num);
  const powDLen = 10 ** dLen;
  return dLen > 0 ? Strip(Number(num) * powDLen) : Number(num);
}
var _boundaryCheckingState = true;
function CheckBoundary(num) {
  if (_boundaryCheckingState) {
    if (num > Number.MAX_SAFE_INTEGER || num < Number.MIN_SAFE_INTEGER) {
      console.warn(
        `${num} is beyond boundary when transfer to integer, the results may not be accurate`
      );
    }
  }
}
function npCreateOperation(operation) {
  return (...nums) => {
    const [first, ...others] = nums;
    return others.reduce((prev, next) => operation(prev, next), first);
  };
}
var Times = npCreateOperation((num1, num2) => {
  const num1Changed = Float2Fixed(num1);
  const num2Changed = Float2Fixed(num2);
  const baseNum = DigitLength(num1) + DigitLength(num2);
  const leftValue = num1Changed * num2Changed;
  CheckBoundary(leftValue);
  const baseNumPow = 10 ** baseNum;
  return leftValue / baseNumPow;
});
var Plus = npCreateOperation((num1, num2) => {
  const baseNum = 10 ** Math.max(DigitLength(num1), DigitLength(num2));
  return (Times(num1, baseNum) + Times(num2, baseNum)) / baseNum;
});
var Minus = npCreateOperation((num1, num2) => {
  const baseNum = 10 ** Math.max(DigitLength(num1), DigitLength(num2));
  return (Times(num1, baseNum) - Times(num2, baseNum)) / baseNum;
});
var Divide = npCreateOperation((num1, num2) => {
  const num1Changed = Float2Fixed(num1);
  const num2Changed = Float2Fixed(num2);
  CheckBoundary(num1Changed);
  CheckBoundary(num2Changed);
  return Times(num1Changed / num2Changed, Strip(10 ** (DigitLength(num2) - DigitLength(num1))));
});
function Round(num, decimal) {
  const base = 10 ** decimal;
  let result = Divide(Math.round(Math.abs(Times(num, base))), base);
  if (isNumber(num) && num < 0 && result !== 0) {
    result = Times(result, -1);
  }
  return result;
}
function EnableBoundaryChecking(flag = true) {
  _boundaryCheckingState = flag;
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  CheckBoundary,
  DigitLength,
  Divide,
  EnableBoundaryChecking,
  Float2Fixed,
  Minus,
  Plus,
  Round,
  Strip,
  Times,
  formatLot10Volume,
  formatNumber
});