"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+$/.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;