plus-pro-components/lib/components/utils/is.js

Page level components developed based on Element Plus.

'use strict';

const objectToString = Object.prototype.toString;
const toTypeString = (value) => objectToString.call(value);
const toRawType = (value) => {
  return toTypeString(value).slice(8, -1);
};
const isArray = Array.isArray;
const isMap = (val) => toTypeString(val) === "[object Map]";
const isSet = (val) => toTypeString(val) === "[object Set]";
const isDate = (val) => toTypeString(val) === "[object Date]";
const isRegExp = (val) => toTypeString(val) === "[object RegExp]";
const isFunction = (val) => typeof val === "function";
const isString = (val) => typeof val === "string";
const isSymbol = (val) => typeof val === "symbol";
const isBoolean = (val) => typeof val === "boolean";
const isObject = (val) => val !== null && typeof val === "object";
const isPromise = (val) => {
  return isObject(val) && isFunction(val.then) && isFunction(val.catch);
};
const isPlainObject = (val) => toTypeString(val) === "[object Object]";
const isEmptyObject = (val) => isPlainObject(val) && Object.keys(val).length === 0;
function isUrl(url) {
  const regex = new RegExp(
    "^(https?:\\/\\/)?((([a-z\\d]([a-z\\d-]*[a-z\\d])*)\\.)+[a-z]{2,}|((\\d{1,3}\\.){3}\\d{1,3}))(\\:\\d+)?(\\/[-a-z\\d%_.~+]*)*(\\?[;&a-z\\d%_.~+=-]*)?(\\#[-a-z\\d_]*)?$",
    "i"
  );
  return regex.test(url);
}
const isSVGElement = (tag) => typeof SVGElement !== "undefined" && tag instanceof SVGElement;

exports.isArray = isArray;
exports.isBoolean = isBoolean;
exports.isDate = isDate;
exports.isEmptyObject = isEmptyObject;
exports.isFunction = isFunction;
exports.isMap = isMap;
exports.isObject = isObject;
exports.isPlainObject = isPlainObject;
exports.isPromise = isPromise;
exports.isRegExp = isRegExp;
exports.isSVGElement = isSVGElement;
exports.isSet = isSet;
exports.isString = isString;
exports.isSymbol = isSymbol;
exports.isUrl = isUrl;
exports.objectToString = objectToString;
exports.toRawType = toRawType;
exports.toTypeString = toTypeString;