"use strict";

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

function isDef(value) {

return value !== undefined && value !== null;

}

exports.isDef = isDef;

function isObj(x) {

var type = typeof x;

return x !== null && (type === 'object' || type === 'function');

}

exports.isObj = isObj;

function isNumber(value) {

return /^\d+(\.\d+)?$/.test(value);

}

exports.isNumber = isNumber;

function range(num, min, max) {

return Math.min(Math.max(num, min), max);

}

exports.range = range;

function nextTick(fn) {

setTimeout(function () {

fn();

}, 1000 / 30);

}

exports.nextTick = nextTick;

var systemInfo = null;

function getSystemInfoSync() {

if (systemInfo == null) {

systemInfo = wx.getSystemInfoSync();

}

return systemInfo;

}

exports.getSystemInfoSync = getSystemInfoSync;

function addUnit(value) {

if (!isDef(value)) {

return undefined;

}

value = String(value);

return isNumber(value) ? value + "px" : value;

}

exports.addUnit = addUnit;