@gvray/eskit/lib/isInteger.js

A rich and colorful toolkit about typescript and javascript.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var isNumber_1 = __importDefault(require("./isNumber"));
/**
 * Checks if a value is an integer.
 * 检查值是否为整数。
 *
 * @param value - The value to check / 要检查的值
 * @returns True if the value is an integer / 如果值是整数则返回true
 *
 * @example
 * ```typescript
 * isInteger(0) // true
 * isInteger(5) // true
 * isInteger(-10) // true
 * isInteger(42) // true
 * isInteger(Number.MAX_SAFE_INTEGER) // true
 * isInteger(2.5) // false
 * isInteger(3.14) // false
 * isInteger(NaN) // false
 * isInteger(Infinity) // false
 * isInteger(-Infinity) // false
 * isInteger('42') // false
 * isInteger(null) // false
 * isInteger(undefined) // false
 * ```
 *
 * @since 1.0.0
 */
var isInteger = Number.isInteger
    ? Number.isInteger
    : function (num) {
        return (0, isNumber_1.default)(num) && num % 1 === 0;
    };
exports.default = isInteger;
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