pixi.js/dist/pixi.mjs.map

PixiJS — The HTML5 Creation Engine =============

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* `extensions` is a global object that holds all the extensions registered with PixiJS.\n * PixiJS uses a this extensions architecture a lot to make the library more modular and\n * flexible.\n *\n * For example, if you want to add load a new type of asset, you can register a new\n * {@link assets.LoaderParser} with the `extensions` object.\n *\n * ```js\n * import { extensions, ExtensionType } from 'pixi.js';\n *\n * // create a custom asset loader\n * const customAssetLoader = {\n *    extension: {\n *        type: ExtensionType.LoadParser,\n *        name: 'custom-asset-loader',\n *    },\n *    test(url) {\n *       // check if this new loader should be used...\n *    },\n *    load(url) {\n *        // load the asset...\n *    },\n * };\n *\n * // add the custom asset loader to pixi\n * extensions.add(customAssetLoader);\n * ```\n *\n * This would add the `customAssetLoader` to the list of available loaders that PixiJS can use.\n *\n * There are many different types of extensions, which are listed in {@link extensions.ExtensionType}.\n * @namespace extensions\n */\n\n/**\n * Collection of valid extension types.\n * @memberof extensions\n */\nenum ExtensionType\n// eslint-disable-next-line @typescript-eslint/indent\n{\n    /** extensions that are registered as Application plugins */\n    Application = 'application',\n\n    /** extensions that are registered as WebGL render pipes */\n    WebGLPipes = 'webgl-pipes',\n    /** extensions that are registered as WebGL render pipes adaptors */\n    WebGLPipesAdaptor = 'webgl-pipes-adaptor',\n    /** extensions that are registered as WebGL render systems */\n    WebGLSystem = 'webgl-system',\n\n    /** extensions that are registered as WebGPU render pipes */\n    WebGPUPipes = 'webgpu-pipes',\n    /** extensions that are registered as WebGPU render pipes adaptors */\n    WebGPUPipesAdaptor = 'webgpu-pipes-adaptor',\n    /** extensions that are registered as WebGPU render systems */\n    WebGPUSystem = 'webgpu-system',\n\n    /** extensions that are registered as Canvas render pipes */\n    CanvasSystem = 'canvas-system',\n    /** extensions that are registered as Canvas render pipes adaptors */\n    CanvasPipesAdaptor = 'canvas-pipes-adaptor',\n    /** extensions that are registered as Canvas render systems */\n    CanvasPipes = 'canvas-pipes',\n\n    /** extensions that combine the other Asset extensions */\n    Asset = 'asset',\n    /** extensions that are used to load assets through Assets */\n    LoadParser = 'load-parser',\n    /** extensions that are used to resolve asset urls through Assets */\n    ResolveParser = 'resolve-parser',\n    /** extensions that are used to handle how urls are cached by Assets */\n    CacheParser = 'cache-parser',\n    /** extensions that are used to add/remove available resources from Assets */\n    DetectionParser = 'detection-parser',\n\n    /** extensions that are registered with the MaskEffectManager */\n    MaskEffect = 'mask-effect',\n\n    /** A type of extension for creating a new advanced blend mode */\n    BlendMode = 'blend-mode',\n\n    /** A type of extension that will be used to auto detect a resource type */\n    TextureSource = 'texture-source',\n\n    /** A type of extension that will be used to auto detect an environment */\n    Environment = 'environment',\n\n    /** A type of extension for building and triangulating custom shapes used in graphics. */\n    ShapeBuilder = 'shape-builder',\n}\n\n/**\n * The metadata for an extension.\n * @memberof extensions\n * @ignore\n */\ninterface ExtensionMetadataDetails\n{\n    /** The extension type, can be multiple types */\n    type: ExtensionType | ExtensionType[];\n    /** Optional. Some plugins provide an API name/property, to make them more easily accessible */\n    name?: string;\n    /** Optional, used for sorting the plugins in a particular order */\n    priority?: number;\n}\n\n/**\n * The metadata for an extension.\n * @memberof extensions\n */\ntype ExtensionMetadata = ExtensionType | ExtensionMetadataDetails;\n\n/**\n * Format when registering an extension. Generally, the extension\n * should have these values as `extension` static property,\n * but you can override name or type by providing an object.\n * @memberof extensions\n */\ninterface ExtensionFormat\n{\n    /** The extension type, can be multiple types */\n    type: ExtensionType | ExtensionType[];\n    /** Optional. Some plugins provide an API name/property, such as Renderer plugins */\n    name?: string;\n    /** Optional, used for sorting the plugins in a particular order */\n    priority?: number;\n    /** Reference to the plugin object/class */\n    ref: any;\n}\n\n/**\n * Extension format that is used internally for registrations.\n * @memberof extensions\n * @ignore\n */\ninterface StrictExtensionFormat extends ExtensionFormat\n{\n    /** The extension type, always expressed as multiple, even if a single */\n    type: ExtensionType[];\n}\n\ntype ExtensionHandler = (extension: StrictExtensionFormat) => void;\n\n/**\n * Convert input into extension format data.\n * @ignore\n */\nconst normalizeExtension = (ext: ExtensionFormat | any): StrictExtensionFormat =>\n{\n    // Class/Object submission, use extension object\n    if (typeof ext === 'function' || (typeof ext === 'object' && ext.extension))\n    {\n        // #if _DEBUG\n        if (!ext.extension)\n        {\n            throw new Error('Extension class must have an extension object');\n        }\n        // #endif\n        const metadata: ExtensionMetadataDetails = (typeof ext.extension !== 'object')\n            ? { type: ext.extension }\n            : ext.extension;\n\n        ext = { ...metadata, ref: ext };\n    }\n    if (typeof ext === 'object')\n    {\n        ext = { ...ext };\n    }\n    else\n    {\n        throw new Error('Invalid extension type');\n    }\n\n    if (typeof ext.type === 'string')\n    {\n        ext.type = [ext.type];\n    }\n\n    return ext;\n};\n\n/**\n * Get the priority for an extension.\n * @ignore\n * @param ext - Any extension\n * @param defaultPriority - Fallback priority if none is defined.\n * @returns The priority for the extension.\n * @memberof extensions\n */\nexport const normalizeExtensionPriority = (ext: ExtensionFormat | any, defaultPriority: number): number =>\n    normalizeExtension(ext).priority ?? defaultPriority;\n\n/**\n * Global registration of all PixiJS extensions. One-stop-shop for extensibility.\n *\n * Import the `extensions` object and use it to register new functionality via the described methods below.\n * ```js\n * import { extensions } from 'pixi.js';\n *\n * // register a new extension\n * extensions.add(myExtension);\n * ```\n * @property {Function} remove - Remove extensions from PixiJS.\n * @property {Function} add - Register new extensions with PixiJS.\n * @property {Function} handle - Internal method to handle extensions by name.\n * @property {Function} handleByMap - Handle a type, but using a map by `name` property.\n * @property {Function} handleByNamedList - Handle a type, but using a list of extensions with a `name` property.\n * @property {Function} handleByList - Handle a type, but using a list of extensions.\n * @memberof extensions\n */\nconst extensions = {\n\n    /** @ignore */\n    _addHandlers: {} as Partial<Record<ExtensionType, ExtensionHandler>>,\n\n    /** @ignore */\n    _removeHandlers: {} as Partial<Record<ExtensionType, ExtensionHandler>>,\n\n    /** @ignore */\n    _queue: {} as Partial<Record<ExtensionType, StrictExtensionFormat[]>>,\n\n    /**\n     * Remove extensions from PixiJS.\n     * @param extensions - Extensions to be removed.\n     * @returns {extensions} For chaining.\n     */\n    remove(...extensions: Array<ExtensionFormat | any>)\n    {\n        extensions.map(normalizeExtension).forEach((ext) =>\n        {\n            ext.type.forEach((type) => this._removeHandlers[type]?.(ext));\n        });\n\n        return this;\n    },\n\n    /**\n     * Register new extensions with PixiJS.\n     * @param extensions - The spread of extensions to add to PixiJS.\n     * @returns {extensions} For chaining.\n     */\n    add(...extensions: Array<ExtensionFormat | any>)\n    {\n        // Handle any extensions either passed as class w/ data or as data\n        extensions.map(normalizeExtension).forEach((ext) =>\n        {\n            ext.type.forEach((type) =>\n            {\n                const handlers = this._addHandlers;\n                const queue = this._queue;\n\n                if (!handlers[type])\n                {\n                    queue[type] = queue[type] || [];\n                    queue[type]?.push(ext);\n                }\n                else\n                {\n                    handlers[type]?.(ext);\n                }\n            });\n        });\n\n        return this;\n    },\n\n    /**\n     * Internal method to handle extensions by name.\n     * @param type - The extension type.\n     * @param onAdd  - Function handler when extensions are added/registered {@link StrictExtensionFormat}.\n     * @param onRemove  - Function handler when extensions are removed/unregistered {@link StrictExtensionFormat}.\n     * @returns {extensions} For chaining.\n     */\n    handle(type: ExtensionType, onAdd: ExtensionHandler, onRemove: ExtensionHandler)\n    {\n        const addHandlers = this._addHandlers;\n        const removeHandlers = this._removeHandlers;\n\n        // #if _DEBUG\n        if (addHandlers[type] || removeHandlers[type])\n        {\n            throw new Error(`Extension type ${type} already has a handler`);\n        }\n        // #endif\n\n        addHandlers[type] = onAdd;\n        removeHandlers[type] = onRemove;\n\n        // Process the queue\n        const queue = this._queue;\n\n        // Process any plugins that have been registered before the handler\n        if (queue[type])\n        {\n            queue[type]?.forEach((ext) => onAdd(ext));\n            delete queue[type];\n        }\n\n        return this;\n    },\n\n    /**\n     * Handle a type, but using a map by `name` property.\n     * @param type - Type of extension to handle.\n     * @param map - The object map of named extensions.\n     * @returns {extensions} For chaining.\n     */\n    handleByMap(type: ExtensionType, map: Record<string, any>)\n    {\n        return this.handle(type,\n            (extension) =>\n            {\n                if (extension.name)\n                {\n                    map[extension.name] = extension.ref;\n                }\n            },\n            (extension) =>\n            {\n                if (extension.name)\n                {\n                    delete map[extension.name];\n                }\n            }\n        );\n    },\n\n    /**\n     * Handle a type, but using a list of extensions with a `name` property.\n     * @param type - Type of extension to handle.\n     * @param map - The array of named extensions.\n     * @param defaultPriority - Fallback priority if none is defined.\n     * @returns {extensions} For chaining.\n     */\n    handleByNamedList(type: ExtensionType, map: {name: string, value: any}[], defaultPriority = -1)\n    {\n        return this.handle(\n            type,\n            (extension) =>\n            {\n                const index = map.findIndex((item) => item.name === extension.name);\n\n                if (index >= 0) return;\n\n                map.push({ name: extension.name, value: extension.ref });\n                map.sort((a, b) =>\n                    normalizeExtensionPriority(b.value, defaultPriority)\n                    - normalizeExtensionPriority(a.value, defaultPriority));\n            },\n            (extension) =>\n            {\n                const index = map.findIndex((item) => item.name === extension.name);\n\n                if (index !== -1)\n                {\n                    map.splice(index, 1);\n                }\n            }\n        );\n    },\n\n    /**\n     * Handle a type, but using a list of extensions.\n     * @param type - Type of extension to handle.\n     * @param list - The list of extensions.\n     * @param defaultPriority - The default priority to use if none is specified.\n     * @returns {extensions} For chaining.\n     */\n    handleByList(type: ExtensionType, list: any[], defaultPriority = -1)\n    {\n        return this.handle(\n            type,\n            (extension) =>\n            {\n                if (list.includes(extension.ref))\n                {\n                    return;\n                }\n\n                list.push(extension.ref);\n                list.sort((a, b) =>\n                    normalizeExtensionPriority(b, defaultPriority) - normalizeExtensionPriority(a, defaultPriority));\n            },\n            (extension) =>\n            {\n                const index = list.indexOf(extension.ref);\n\n                if (index !== -1)\n                {\n                    list.splice(index, 1);\n                }\n            }\n        );\n    },\n};\n\nexport {\n    extensions,\n    ExtensionType,\n};\nexport type {\n    StrictExtensionFormat as ExtensionFormat,\n    ExtensionFormat as ExtensionFormatLoose,\n    ExtensionHandler,\n    ExtensionMetadata,\n    ExtensionMetadataDetails\n};\n","'use strict';\n\nvar has = Object.prototype.hasOwnProperty\n  , prefix = '~';\n\n/**\n * Constructor to create a storage for our `EE` objects.\n * An `Events` instance is a plain object whose properties are event names.\n *\n * @constructor\n * @private\n */\nfunction Events() {}\n\n//\n// We try to not inherit from `Object.prototype`. In some engines creating an\n// instance in this way is faster than calling `Object.create(null)` directly.\n// If `Object.create(null)` is not supported we prefix the event names with a\n// character to make sure that the built-in object properties are not\n// overridden or used as an attack vector.\n//\nif (Object.create) {\n  Events.prototype = Object.create(null);\n\n  //\n  // This hack is needed because the `__proto__` property is still inherited in\n  // some old browsers like Android 4, iPhone 5.1, Opera 11 and Safari 5.\n  //\n  if (!new Events().__proto__) prefix = false;\n}\n\n/**\n * Representation of a single event listener.\n *\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} [once=false] Specify if the listener is a one-time listener.\n * @constructor\n * @private\n */\nfunction EE(fn, context, once) {\n  this.fn = fn;\n  this.context = context;\n  this.once = once || false;\n}\n\n/**\n * Add a listener for a given event.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} context The context to invoke the listener with.\n * @param {Boolean} once Specify if the listener is a one-time listener.\n * @returns {EventEmitter}\n * @private\n */\nfunction addListener(emitter, event, fn, context, once) {\n  if (typeof fn !== 'function') {\n    throw new TypeError('The listener must be a function');\n  }\n\n  var listener = new EE(fn, context || emitter, once)\n    , evt = prefix ? prefix + event : event;\n\n  if (!emitter._events[evt]) emitter._events[evt] = listener, emitter._eventsCount++;\n  else if (!emitter._events[evt].fn) emitter._events[evt].push(listener);\n  else emitter._events[evt] = [emitter._events[evt], listener];\n\n  return emitter;\n}\n\n/**\n * Clear event by name.\n *\n * @param {EventEmitter} emitter Reference to the `EventEmitter` instance.\n * @param {(String|Symbol)} evt The Event name.\n * @private\n */\nfunction clearEvent(emitter, evt) {\n  if (--emitter._eventsCount === 0) emitter._events = new Events();\n  else delete emitter._events[evt];\n}\n\n/**\n * Minimal `EventEmitter` interface that is molded against the Node.js\n * `EventEmitter` interface.\n *\n * @constructor\n * @public\n */\nfunction EventEmitter() {\n  this._events = new Events();\n  this._eventsCount = 0;\n}\n\n/**\n * Return an array listing the events for which the emitter has registered\n * listeners.\n *\n * @returns {Array}\n * @public\n */\nEventEmitter.prototype.eventNames = function eventNames() {\n  var names = []\n    , events\n    , name;\n\n  if (this._eventsCount === 0) return names;\n\n  for (name in (events = this._events)) {\n    if (has.call(events, name)) names.push(prefix ? name.slice(1) : name);\n  }\n\n  if (Object.getOwnPropertySymbols) {\n    return names.concat(Object.getOwnPropertySymbols(events));\n  }\n\n  return names;\n};\n\n/**\n * Return the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Array} The registered listeners.\n * @public\n */\nEventEmitter.prototype.listeners = function listeners(event) {\n  var evt = prefix ? prefix + event : event\n    , handlers = this._events[evt];\n\n  if (!handlers) return [];\n  if (handlers.fn) return [handlers.fn];\n\n  for (var i = 0, l = handlers.length, ee = new Array(l); i < l; i++) {\n    ee[i] = handlers[i].fn;\n  }\n\n  return ee;\n};\n\n/**\n * Return the number of listeners listening to a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Number} The number of listeners.\n * @public\n */\nEventEmitter.prototype.listenerCount = function listenerCount(event) {\n  var evt = prefix ? prefix + event : event\n    , listeners = this._events[evt];\n\n  if (!listeners) return 0;\n  if (listeners.fn) return 1;\n  return listeners.length;\n};\n\n/**\n * Calls each of the listeners registered for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @returns {Boolean} `true` if the event had listeners, else `false`.\n * @public\n */\nEventEmitter.prototype.emit = function emit(event, a1, a2, a3, a4, a5) {\n  var evt = prefix ? prefix + event : event;\n\n  if (!this._events[evt]) return false;\n\n  var listeners = this._events[evt]\n    , len = arguments.length\n    , args\n    , i;\n\n  if (listeners.fn) {\n    if (listeners.once) this.removeListener(event, listeners.fn, undefined, true);\n\n    switch (len) {\n      case 1: return listeners.fn.call(listeners.context), true;\n      case 2: return listeners.fn.call(listeners.context, a1), true;\n      case 3: return listeners.fn.call(listeners.context, a1, a2), true;\n      case 4: return listeners.fn.call(listeners.context, a1, a2, a3), true;\n      case 5: return listeners.fn.call(listeners.context, a1, a2, a3, a4), true;\n      case 6: return listeners.fn.call(listeners.context, a1, a2, a3, a4, a5), true;\n    }\n\n    for (i = 1, args = new Array(len -1); i < len; i++) {\n      args[i - 1] = arguments[i];\n    }\n\n    listeners.fn.apply(listeners.context, args);\n  } else {\n    var length = listeners.length\n      , j;\n\n    for (i = 0; i < length; i++) {\n      if (listeners[i].once) this.removeListener(event, listeners[i].fn, undefined, true);\n\n      switch (len) {\n        case 1: listeners[i].fn.call(listeners[i].context); break;\n        case 2: listeners[i].fn.call(listeners[i].context, a1); break;\n        case 3: listeners[i].fn.call(listeners[i].context, a1, a2); break;\n        case 4: listeners[i].fn.call(listeners[i].context, a1, a2, a3); break;\n        default:\n          if (!args) for (j = 1, args = new Array(len -1); j < len; j++) {\n            args[j - 1] = arguments[j];\n          }\n\n          listeners[i].fn.apply(listeners[i].context, args);\n      }\n    }\n  }\n\n  return true;\n};\n\n/**\n * Add a listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.on = function on(event, fn, context) {\n  return addListener(this, event, fn, context, false);\n};\n\n/**\n * Add a one-time listener for a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn The listener function.\n * @param {*} [context=this] The context to invoke the listener with.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.once = function once(event, fn, context) {\n  return addListener(this, event, fn, context, true);\n};\n\n/**\n * Remove the listeners of a given event.\n *\n * @param {(String|Symbol)} event The event name.\n * @param {Function} fn Only remove the listeners that match this function.\n * @param {*} context Only remove the listeners that have this context.\n * @param {Boolean} once Only remove one-time listeners.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeListener = function removeListener(event, fn, context, once) {\n  var evt = prefix ? prefix + event : event;\n\n  if (!this._events[evt]) return this;\n  if (!fn) {\n    clearEvent(this, evt);\n    return this;\n  }\n\n  var listeners = this._events[evt];\n\n  if (listeners.fn) {\n    if (\n      listeners.fn === fn &&\n      (!once || listeners.once) &&\n      (!context || listeners.context === context)\n    ) {\n      clearEvent(this, evt);\n    }\n  } else {\n    for (var i = 0, events = [], length = listeners.length; i < length; i++) {\n      if (\n        listeners[i].fn !== fn ||\n        (once && !listeners[i].once) ||\n        (context && listeners[i].context !== context)\n      ) {\n        events.push(listeners[i]);\n      }\n    }\n\n    //\n    // Reset the array, or remove it completely if we have no more listeners.\n    //\n    if (events.length) this._events[evt] = events.length === 1 ? events[0] : events;\n    else clearEvent(this, evt);\n  }\n\n  return this;\n};\n\n/**\n * Remove all listeners, or those of the specified event.\n *\n * @param {(String|Symbol)} [event] The event name.\n * @returns {EventEmitter} `this`.\n * @public\n */\nEventEmitter.prototype.removeAllListeners = function removeAllListeners(event) {\n  var evt;\n\n  if (event) {\n    evt = prefix ? prefix + event : event;\n    if (this._events[evt]) clearEvent(this, evt);\n  } else {\n    this._events = new Events();\n    this._eventsCount = 0;\n  }\n\n  return this;\n};\n\n//\n// Alias methods names because people roll like that.\n//\nEventEmitter.prototype.off = EventEmitter.prototype.removeListener;\nEventEmitter.prototype.addListener = EventEmitter.prototype.on;\n\n//\n// Expose the prefix.\n//\nEventEmitter.prefixed = prefix;\n\n//\n// Allow `EventEmitter` to be imported as module namespace.\n//\nEventEmitter.EventEmitter = EventEmitter;\n\n//\n// Expose the module.\n//\nif ('undefined' !== typeof module) {\n  module.exports = EventEmitter;\n}\n","var r={grad:.9,turn:360,rad:360/(2*Math.PI)},t=function(r){return\"string\"==typeof r?r.length>0:\"number\"==typeof r},n=function(r,t,n){return void 0===t&&(t=0),void 0===n&&(n=Math.pow(10,t)),Math.round(n*r)/n+0},e=function(r,t,n){return void 0===t&&(t=0),void 0===n&&(n=1),r>n?n:r>t?r:t},u=function(r){return(r=isFinite(r)?r%360:0)>0?r:r+360},a=function(r){return{r:e(r.r,0,255),g:e(r.g,0,255),b:e(r.b,0,255),a:e(r.a)}},o=function(r){return{r:n(r.r),g:n(r.g),b:n(r.b),a:n(r.a,3)}},i=/^#([0-9a-f]{3,8})$/i,s=function(r){var t=r.toString(16);return t.length<2?\"0\"+t:t},h=function(r){var t=r.r,n=r.g,e=r.b,u=r.a,a=Math.max(t,n,e),o=a-Math.min(t,n,e),i=o?a===t?(n-e)/o:a===n?2+(e-t)/o:4+(t-n)/o:0;return{h:60*(i<0?i+6:i),s:a?o/a*100:0,v:a/255*100,a:u}},b=function(r){var t=r.h,n=r.s,e=r.v,u=r.a;t=t/360*6,n/=100,e/=100;var a=Math.floor(t),o=e*(1-n),i=e*(1-(t-a)*n),s=e*(1-(1-t+a)*n),h=a%6;return{r:255*[e,i,o,o,s,e][h],g:255*[s,e,e,i,o,o][h],b:255*[o,o,s,e,e,i][h],a:u}},g=function(r){return{h:u(r.h),s:e(r.s,0,100),l:e(r.l,0,100),a:e(r.a)}},d=function(r){return{h:n(r.h),s:n(r.s),l:n(r.l),a:n(r.a,3)}},f=function(r){return b((n=(t=r).s,{h:t.h,s:(n*=((e=t.l)<50?e:100-e)/100)>0?2*n/(e+n)*100:0,v:e+n,a:t.a}));var t,n,e},c=func