konva/lib/Global.js

<p align="center"> <img src="https://raw.githubusercontent.com/konvajs/konvajs.github.io/master/apple-touch-icon-180x180.png" alt="Konva logo" height="180" /> </p>

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var PI_OVER_180 = Math.PI / 180;
function detectBrowser() {
    return (typeof window !== 'undefined' &&
        ({}.toString.call(window) === '[object Window]' ||
            {}.toString.call(window) === '[object global]'));
}
var _detectIE = function (ua) {
    var msie = ua.indexOf('msie ');
    if (msie > 0) {
        return parseInt(ua.substring(msie + 5, ua.indexOf('.', msie)), 10);
    }
    var trident = ua.indexOf('trident/');
    if (trident > 0) {
        var rv = ua.indexOf('rv:');
        return parseInt(ua.substring(rv + 3, ua.indexOf('.', rv)), 10);
    }
    var edge = ua.indexOf('edge/');
    if (edge > 0) {
        return parseInt(ua.substring(edge + 5, ua.indexOf('.', edge)), 10);
    }
    return false;
};
exports._parseUA = function (userAgent) {
    var ua = userAgent.toLowerCase(), match = /(chrome)[ /]([\w.]+)/.exec(ua) ||
        /(webkit)[ /]([\w.]+)/.exec(ua) ||
        /(opera)(?:.*version|)[ /]([\w.]+)/.exec(ua) ||
        /(msie) ([\w.]+)/.exec(ua) ||
        (ua.indexOf('compatible') < 0 &&
            /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua)) ||
        [], mobile = !!userAgent.match(/Android|BlackBerry|iPhone|iPad|iPod|Opera Mini|IEMobile/i), ieMobile = !!userAgent.match(/IEMobile/i);
    return {
        browser: match[1] || '',
        version: match[2] || '0',
        isIE: _detectIE(ua),
        mobile: mobile,
        ieMobile: ieMobile
    };
};
exports.glob = typeof global !== 'undefined'
    ? global
    : typeof window !== 'undefined'
        ? window
        : typeof WorkerGlobalScope !== 'undefined'
            ? self
            : {};
exports.Konva = {
    _global: exports.glob,
    version: '3.3.3',
    isBrowser: detectBrowser(),
    isUnminified: /param/.test(function (param) { }.toString()),
    dblClickWindow: 400,
    getAngle: function (angle) {
        return exports.Konva.angleDeg ? angle * PI_OVER_180 : angle;
    },
    enableTrace: false,
    _pointerEventsEnabled: false,
    listenClickTap: false,
    inDblClickWindow: false,
    pixelRatio: undefined,
    dragDistance: 3,
    angleDeg: true,
    showWarnings: true,
    dragButtons: [0, 1],
    isDragging: function () {
        return exports.Konva['DD'].isDragging;
    },
    isDragReady: function () {
        return !!exports.Konva['DD'].node;
    },
    UA: exports._parseUA((exports.glob.navigator && exports.glob.navigator.userAgent) || ''),
    document: exports.glob.document,
    _injectGlobal: function (Konva) {
        exports.glob.Konva = Konva;
    },
    _parseUA: exports._parseUA
};
exports._NODES_REGISTRY = {};
exports._registerNode = function (NodeClass) {
    exports._NODES_REGISTRY[NodeClass.prototype.getClassName()] = NodeClass;
    exports.Konva[NodeClass.prototype.getClassName()] = NodeClass;
};