import { platformApi } from './platform.js';
|
var BUILTIN_OBJECT = reduce([
|
'Function',
|
'RegExp',
|
'Date',
|
'Error',
|
'CanvasGradient',
|
'CanvasPattern',
|
'Image',
|
'Canvas'
|
], function (obj, val) {
|
obj['[object ' + val + ']'] = true;
|
return obj;
|
}, {});
|
var TYPED_ARRAY = reduce([
|
'Int8',
|
'Uint8',
|
'Uint8Clamped',
|
'Int16',
|
'Uint16',
|
'Int32',
|
'Uint32',
|
'Float32',
|
'Float64'
|
], function (obj, val) {
|
obj['[object ' + val + 'Array]'] = true;
|
return obj;
|
}, {});
|
var objToString = Object.prototype.toString;
|
var arrayProto = Array.prototype;
|
var nativeForEach = arrayProto.forEach;
|
var nativeFilter = arrayProto.filter;
|
var nativeSlice = arrayProto.slice;
|
var nativeMap = arrayProto.map;
|
var ctorFunction = function () { }.constructor;
|
var protoFunction = ctorFunction ? ctorFunction.prototype : null;
|
var protoKey = '__proto__';
|
var idStart = 0x0907;
|
export function guid() {
|
return idStart++;
|
}
|
export function logError() {
|
var args = [];
|
for (var _i = 0; _i < arguments.length; _i++) {
|
args[_i] = arguments[_i];
|
}
|
if (typeof console !== 'undefined') {
|
console.error.apply(console, args);
|
}
|
}
|
export function clone(source) {
|
if (source == null || typeof source !== 'object') {
|
return source;
|
}
|
var result = source;
|
var typeStr = objToString.call(source);
|
if (typeStr === '[object Array]') {
|
if (!isPrimitive(source)) {
|
result = [];
|
for (var i = 0, len = source.length; i < len; i++) {
|
result[i] = clone(source[i]);
|
}
|
}
|
}
|
else if (TYPED_ARRAY[typeStr]) {
|
if (!isPrimitive(source)) {
|
var Ctor = source.constructor;
|
if (Ctor.from) {
|
result = Ctor.from(source);
|
}
|
else {
|
result = new Ctor(source.length);
|
for (var i = 0, len = source.length; i < len; i++) {
|
result[i] = source[i];
|
}
|
}
|
}
|
}
|
else if (!BUILTIN_OBJECT[typeStr] && !isPrimitive(source) && !isDom(source)) {
|
result = {};
|
for (var key in source) {
|
if (source.hasOwnProperty(key) && key !== protoKey) {
|
result[key] = clone(source[key]);
|
}
|
}
|
}
|
return result;
|
}
|
export function merge(target, source, overwrite) {
|
if (!isObject(source) || !isObject(target)) {
|
return overwrite ? clone(source) : target;
|
}
|
for (var key in source) {
|
if (source.hasOwnProperty(key) && key !== protoKey) {
|
var targetProp = target[key];
|
var sourceProp = source[key];
|
if (isObject(sourceProp)
|
&& isObject(targetProp)
|
&& !isArray(sourceProp)
|
&& !isArray(targetProp)
|
&& !isDom(sourceProp)
|
&& !isDom(targetProp)
|
&& !isBuiltInObject(sourceProp)
|
&& !isBuiltInObject(targetProp)
|
&& !isPrimitive(sourceProp)
|
&& !isPrimitive(targetProp)) {
|
merge(targetProp, sourceProp, overwrite);
|
}
|
else if (overwrite || !(key in target)) {
|
target[key] = clone(source[key]);
|
}
|
}
|
}
|
return target;
|
}
|
export function mergeAll(targetAndSources, overwrite) {
|
var result = targetAndSources[0];
|
for (var i = 1, len = targetAndSources.length; i < len; i++) {
|
result = merge(result, targetAndSources[i], overwrite);
|
}
|
return result;
|
}
|
export function extend(target, source) {
|
if (Object.assign) {
|
Object.assign(target, source);
|
}
|
else {
|
for (var key in source) {
|
if (source.hasOwnProperty(key) && key !== protoKey) {
|
target[key] = source[key];
|
}
|
}
|
}
|
return target;
|
}
|
export function defaults(target, source, overlay) {
|
var keysArr = keys(source);
|
for (var i = 0, len = keysArr.length; i < len; i++) {
|
var key = keysArr[i];
|
if ((overlay ? source[key] != null : target[key] == null)) {
|
target[key] = source[key];
|
}
|
}
|
return target;
|
}
|
export var createCanvas = platformApi.createCanvas;
|
export function indexOf(array, value) {
|
if (array) {
|
if (array.indexOf) {
|
return array.indexOf(value);
|
}
|
for (var i = 0, len = array.length; i < len; i++) {
|
if (array[i] === value) {
|
return i;
|
}
|
}
|
}
|
return -1;
|
}
|
export function inherits(clazz, baseClazz) {
|
var clazzPrototype = clazz.prototype;
|
function F() { }
|
F.prototype = baseClazz.prototype;
|
clazz.prototype = new F();
|
for (var prop in clazzPrototype) {
|
if (clazzPrototype.hasOwnProperty(prop)) {
|
clazz.prototype[prop] = clazzPrototype[prop];
|
}
|
}
|
clazz.prototype.constructor = clazz;
|
clazz.superClass = baseClazz;
|
}
|
export function mixin(target, source, override) {
|
target = 'prototype' in target ? target.prototype : target;
|
source = 'prototype' in source ? source.prototype : source;
|
if (Object.getOwnPropertyNames) {
|
var keyList = Object.getOwnPropertyNames(source);
|
for (var i = 0; i < keyList.length; i++) {
|
var key = keyList[i];
|
if (key !== 'constructor') {
|
if ((override ? source[key] != null : target[key] == null)) {
|
target[key] = source[key];
|
}
|
}
|
}
|
}
|
else {
|
defaults(target, source, override);
|
}
|
}
|
export function isArrayLike(data) {
|
if (!data) {
|
return false;
|
}
|
if (typeof data === 'string') {
|
return false;
|
}
|
return typeof data.length === 'number';
|
}
|
export function each(arr, cb, context) {
|
if (!(arr && cb)) {
|
return;
|
}
|
if (arr.forEach && arr.forEach === nativeForEach) {
|
arr.forEach(cb, context);
|
}
|
else if (arr.length === +arr.length) {
|
for (var i = 0, len = arr.length; i < len; i++) {
|
cb.call(context, arr[i], i, arr);
|
}
|
}
|
else {
|
for (var key in arr) {
|
if (arr.hasOwnProperty(key)) {
|
cb.call(context, arr[key], key, arr);
|
}
|
}
|
}
|
}
|
export function map(arr, cb, context) {
|
if (!arr) {
|
return [];
|
}
|
if (!cb) {
|
return slice(arr);
|
}
|
if (arr.map && arr.map === nativeMap) {
|
return arr.map(cb, context);
|
}
|
else {
|
var result = [];
|
for (var i = 0, len = arr.length; i < len; i++) {
|
result.push(cb.call(context, arr[i], i, arr));
|
}
|
return result;
|
}
|
}
|
export function reduce(arr, cb, memo, context) {
|
if (!(arr && cb)) {
|
return;
|
}
|
for (var i = 0, len = arr.length; i < len; i++) {
|
memo = cb.call(context, memo, arr[i], i, arr);
|
}
|
return memo;
|
}
|
export function filter(arr, cb, context) {
|
if (!arr) {
|
return [];
|
}
|
if (!cb) {
|
return slice(arr);
|
}
|
if (arr.filter && arr.filter === nativeFilter) {
|
return arr.filter(cb, context);
|
}
|
else {
|
var result = [];
|
for (var i = 0, len = arr.length; i < len; i++) {
|
if (cb.call(context, arr[i], i, arr)) {
|
result.push(arr[i]);
|
}
|
}
|
return result;
|
}
|
}
|
export function find(arr, cb, context) {
|
if (!(arr && cb)) {
|
return;
|
}
|
for (var i = 0, len = arr.length; i < len; i++) {
|
if (cb.call(context, arr[i], i, arr)) {
|
return arr[i];
|
}
|
}
|
}
|
export function keys(obj) {
|
if (!obj) {
|
return [];
|
}
|
if (Object.keys) {
|
return Object.keys(obj);
|
}
|
var keyList = [];
|
for (var key in obj) {
|
if (obj.hasOwnProperty(key)) {
|
keyList.push(key);
|
}
|
}
|
return keyList;
|
}
|
function bindPolyfill(func, context) {
|
var args = [];
|
for (var _i = 2; _i < arguments.length; _i++) {
|
args[_i - 2] = arguments[_i];
|
}
|
return function () {
|
return func.apply(context, args.concat(nativeSlice.call(arguments)));
|
};
|
}
|
export var bind = (protoFunction && isFunction(protoFunction.bind))
|
? protoFunction.call.bind(protoFunction.bind)
|
: bindPolyfill;
|
function curry(func) {
|
var args = [];
|
for (var _i = 1; _i < arguments.length; _i++) {
|
args[_i - 1] = arguments[_i];
|
}
|
return function () {
|
return func.apply(this, args.concat(nativeSlice.call(arguments)));
|
};
|
}
|
export { curry };
|
export function isArray(value) {
|
if (Array.isArray) {
|
return Array.isArray(value);
|
}
|
return objToString.call(value) === '[object Array]';
|
}
|
export function isFunction(value) {
|
return typeof value === 'function';
|
}
|
export function isString(value) {
|
return typeof value === 'string';
|
}
|
export function isStringSafe(value) {
|
return objToString.call(value) === '[object String]';
|
}
|
export function isNumber(value) {
|
return typeof value === 'number';
|
}
|
export function isObject(value) {
|
var type = typeof value;
|
return type === 'function' || (!!value && type === 'object');
|
}
|
export function isBuiltInObject(value) {
|
return !!BUILTIN_OBJECT[objToString.call(value)];
|
}
|
export function isTypedArray(value) {
|
return !!TYPED_ARRAY[objToString.call(value)];
|
}
|
export function isDom(value) {
|
return typeof value === 'object'
|
&& typeof value.nodeType === 'number'
|
&& typeof value.ownerDocument === 'object';
|
}
|
export function isGradientObject(value) {
|
return value.colorStops != null;
|
}
|
export function isImagePatternObject(value) {
|
return value.image != null;
|
}
|
export function isRegExp(value) {
|
return objToString.call(value) === '[object RegExp]';
|
}
|
export function eqNaN(value) {
|
return value !== value;
|
}
|
export function retrieve() {
|
var args = [];
|
for (var _i = 0; _i < arguments.length; _i++) {
|
args[_i] = arguments[_i];
|
}
|
for (var i = 0, len = args.length; i < len; i++) {
|
if (args[i] != null) {
|
return args[i];
|
}
|
}
|
}
|
export function retrieve2(value0, value1) {
|
return value0 != null
|
? value0
|
: value1;
|
}
|
export function retrieve3(value0, value1, value2) {
|
return value0 != null
|
? value0
|
: value1 != null
|
? value1
|
: value2;
|
}
|
export function slice(arr) {
|
var args = [];
|
for (var _i = 1; _i < arguments.length; _i++) {
|
args[_i - 1] = arguments[_i];
|
}
|
return nativeSlice.apply(arr, args);
|
}
|
export function normalizeCssArray(val) {
|
if (typeof (val) === 'number') {
|
return [val, val, val, val];
|
}
|
var len = val.length;
|
if (len === 2) {
|
return [val[0], val[1], val[0], val[1]];
|
}
|
else if (len === 3) {
|
return [val[0], val[1], val[2], val[1]];
|
}
|
return val;
|
}
|
export function assert(condition, message) {
|
if (!condition) {
|
throw new Error(message);
|
}
|
}
|
export function trim(str) {
|
if (str == null) {
|
return null;
|
}
|
else if (typeof str.trim === 'function') {
|
return str.trim();
|
}
|
else {
|
return str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
|
}
|
}
|
var primitiveKey = '__ec_primitive__';
|
export function setAsPrimitive(obj) {
|
obj[primitiveKey] = true;
|
}
|
export function isPrimitive(obj) {
|
return obj[primitiveKey];
|
}
|
var MapPolyfill = (function () {
|
function MapPolyfill() {
|
this.data = {};
|
}
|
MapPolyfill.prototype["delete"] = function (key) {
|
var existed = this.has(key);
|
if (existed) {
|
delete this.data[key];
|
}
|
return existed;
|
};
|
MapPolyfill.prototype.has = function (key) {
|
return this.data.hasOwnProperty(key);
|
};
|
MapPolyfill.prototype.get = function (key) {
|
return this.data[key];
|
};
|
MapPolyfill.prototype.set = function (key, value) {
|
this.data[key] = value;
|
return this;
|
};
|
MapPolyfill.prototype.keys = function () {
|
return keys(this.data);
|
};
|
MapPolyfill.prototype.forEach = function (callback) {
|
var data = this.data;
|
for (var key in data) {
|
if (data.hasOwnProperty(key)) {
|
callback(data[key], key);
|
}
|
}
|
};
|
return MapPolyfill;
|
}());
|
var isNativeMapSupported = typeof Map === 'function';
|
function maybeNativeMap() {
|
return (isNativeMapSupported ? new Map() : new MapPolyfill());
|
}
|
var HashMap = (function () {
|
function HashMap(obj) {
|
var isArr = isArray(obj);
|
this.data = maybeNativeMap();
|
var thisMap = this;
|
(obj instanceof HashMap)
|
? obj.each(visit)
|
: (obj && each(obj, visit));
|
function visit(value, key) {
|
isArr ? thisMap.set(value, key) : thisMap.set(key, value);
|
}
|
}
|
HashMap.prototype.hasKey = function (key) {
|
return this.data.has(key);
|
};
|
HashMap.prototype.get = function (key) {
|
return this.data.get(key);
|
};
|
HashMap.prototype.set = function (key, value) {
|
this.data.set(key, value);
|
return value;
|
};
|
HashMap.prototype.each = function (cb, context) {
|
this.data.forEach(function (value, key) {
|
cb.call(context, value, key);
|
});
|
};
|
HashMap.prototype.keys = function () {
|
var keys = this.data.keys();
|
return isNativeMapSupported
|
? Array.from(keys)
|
: keys;
|
};
|
HashMap.prototype.removeKey = function (key) {
|
this.data["delete"](key);
|
};
|
return HashMap;
|
}());
|
export { HashMap };
|
export function createHashMap(obj) {
|
return new HashMap(obj);
|
}
|
export function concatArray(a, b) {
|
var newArray = new a.constructor(a.length + b.length);
|
for (var i = 0; i < a.length; i++) {
|
newArray[i] = a[i];
|
}
|
var offset = a.length;
|
for (var i = 0; i < b.length; i++) {
|
newArray[i + offset] = b[i];
|
}
|
return newArray;
|
}
|
export function createObject(proto, properties) {
|
var obj;
|
if (Object.create) {
|
obj = Object.create(proto);
|
}
|
else {
|
var StyleCtor = function () { };
|
StyleCtor.prototype = proto;
|
obj = new StyleCtor();
|
}
|
if (properties) {
|
extend(obj, properties);
|
}
|
return obj;
|
}
|
export function disableUserSelect(dom) {
|
var domStyle = dom.style;
|
domStyle.webkitUserSelect = 'none';
|
domStyle.userSelect = 'none';
|
domStyle.webkitTapHighlightColor = 'rgba(0,0,0,0)';
|
domStyle['-webkit-touch-callout'] = 'none';
|
}
|
export function hasOwn(own, prop) {
|
return own.hasOwnProperty(prop);
|
}
|
export function noop() { }
|
export var RADIAN_TO_DEGREE = 180 / Math.PI;
|
