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5.8 KiB
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{"version":3,"file":"SystemRunner.mjs","sources":["../../../../../src/rendering/renderers/shared/system/SystemRunner.ts"],"sourcesContent":["/**\n * SystemRunner is used internally by the renderers as an efficient way for systems to\n * be notified about what the renderer is up to during the rendering phase.\n *\n * ```\n * import { SystemRunner } from 'pixi.js';\n *\n * const myObject = {\n * loaded: new SystemRunner('loaded')\n * }\n *\n * const listener = {\n * loaded: function(){\n * // thin\n * }\n * }\n *\n * myObject.loaded.add(listener);\n *\n * myObject.loaded.emit();\n * ```\n *\n * Or for handling calling the same function on many items\n * ```\n * import { SystemRunner } from 'pixi.js';\n *\n * const myGame = {\n * update: new SystemRunner('update')\n * }\n *\n * const gameObject = {\n * update: function(time){\n * // update my gamey state\n * }\n * }\n *\n * myGame.update.add(gameObject);\n *\n * myGame.update.emit(time);\n * ```\n * @memberof rendering\n */\nexport class SystemRunner\n{\n public items: any[];\n private _name: string;\n\n /**\n * @param name - The function name that will be executed on the listeners added to this Runner.\n */\n constructor(name: string)\n {\n this.items = [];\n this._name = name;\n }\n\n /* eslint-disable jsdoc/require-param, jsdoc/check-param-names */\n /**\n * Dispatch/Broadcast Runner to all listeners added to the queue.\n * @param {...any} params - (optional) parameters to pass to each listener\n */\n /* eslint-enable jsdoc/require-param, jsdoc/check-param-names */\n public emit(a0?: unknown, a1?: unknown, a2?: unknown, a3?: unknown,\n a4?: unknown, a5?: unknown, a6?: unknown, a7?: unknown): this\n {\n const { name, items } = this;\n\n for (let i = 0, len = items.length; i < len; i++)\n {\n items[i][name](a0, a1, a2, a3, a4, a5, a6, a7);\n }\n\n return this;\n }\n\n /**\n * Add a listener to the Runner\n *\n * Runners do not need to have scope or functions passed to them.\n * All that is required is to pass the listening object and ensure that it has contains a function that has the same name\n * as the name provided to the Runner when it was created.\n *\n * Eg A listener passed to this Runner will require a 'complete' function.\n *\n * ```\n * import { Runner } from 'pixi.js';\n *\n * const complete = new Runner('complete');\n * ```\n *\n * The scope used will be the object itself.\n * @param {any} item - The object that will be listening.\n */\n public add(item: unknown): this\n {\n if ((item as any)[this._name])\n {\n this.remove(item);\n this.items.push(item);\n }\n\n return this;\n }\n\n /**\n * Remove a single listener from the dispatch queue.\n * @param {any} item - The listener that you would like to remove.\n */\n public remove(item: unknown): this\n {\n const index = this.items.indexOf(item);\n\n if (index !== -1)\n {\n this.items.splice(index, 1);\n }\n\n return this;\n }\n\n /**\n * Check to see if the listener is already in the Runner\n * @param {any} item - The listener that you would like to check.\n */\n public contains(item: unknown): boolean\n {\n return this.items.indexOf(item) !== -1;\n }\n\n /** Remove all listeners from the Runner */\n public removeAll(): this\n {\n this.items.length = 0;\n\n return this;\n }\n\n /** Remove all references, don't use after this. */\n public destroy(): void\n {\n this.removeAll();\n this.items = null;\n this._name = null;\n }\n\n /**\n * `true` if there are no this Runner contains no listeners\n * @readonly\n */\n public get empty(): boolean\n {\n return this.items.length === 0;\n }\n\n /**\n * The name of the runner.\n * @readonly\n */\n public get name(): string\n {\n return this._name;\n }\n}\n"],"names":[],"mappings":";AA0CO,MAAM,YACb,CAAA;AAAA;AAAA;AAAA;AAAA,EAOI,YAAY,IACZ,EAAA;AACI,IAAA,IAAA,CAAK,QAAQ,EAAC,CAAA;AACd,IAAA,IAAA,CAAK,KAAQ,GAAA,IAAA,CAAA;AAAA,GACjB;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EAQO,IAAA,CAAK,IAAc,EAAc,EAAA,EAAA,EAAc,IAClD,EAAc,EAAA,EAAA,EAAc,IAAc,EAC9C,EAAA;AACI,IAAM,MAAA,EAAE,IAAM,EAAA,KAAA,EAAU,GAAA,IAAA,CAAA;AAExB,IAAA,KAAA,IAAS,IAAI,CAAG,EAAA,GAAA,GAAM,MAAM,MAAQ,EAAA,CAAA,GAAI,KAAK,CAC7C,EAAA,EAAA;AACI,MAAM,KAAA,CAAA,CAAC,CAAE,CAAA,IAAI,CAAE,CAAA,EAAA,EAAI,EAAI,EAAA,EAAA,EAAI,EAAI,EAAA,EAAA,EAAI,EAAI,EAAA,EAAA,EAAI,EAAE,CAAA,CAAA;AAAA,KACjD;AAEA,IAAO,OAAA,IAAA,CAAA;AAAA,GACX;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA;AAAA,EAoBO,IAAI,IACX,EAAA;AACI,IAAK,IAAA,IAAA,CAAa,IAAK,CAAA,KAAK,CAC5B,EAAA;AACI,MAAA,IAAA,CAAK,OAAO,IAAI,CAAA,CAAA;AAChB,MAAK,IAAA,CAAA,KAAA,CAAM,KAAK,IAAI,CAAA,CAAA;AAAA,KACxB;AAEA,IAAO,OAAA,IAAA,CAAA;AAAA,GACX;AAAA;AAAA;AAAA;AAAA;AAAA,EAMO,OAAO,IACd,EAAA;AACI,IAAA,MAAM,KAAQ,GAAA,IAAA,CAAK,KAAM,CAAA,OAAA,CAAQ,IAAI,CAAA,CAAA;AAErC,IAAA,IAAI,UAAU,CACd,CAAA,EAAA;AACI,MAAK,IAAA,CAAA,KAAA,CAAM,MAAO,CAAA,KAAA,EAAO,CAAC,CAAA,CAAA;AAAA,KAC9B;AAEA,IAAO,OAAA,IAAA,CAAA;AAAA,GACX;AAAA;AAAA;AAAA;AAAA;AAAA,EAMO,SAAS,IAChB,EAAA;AACI,IAAA,OAAO,IAAK,CAAA,KAAA,CAAM,OAAQ,CAAA,IAAI,CAAM,KAAA,CAAA,CAAA,CAAA;AAAA,GACxC;AAAA;AAAA,EAGO,SACP,GAAA;AACI,IAAA,IAAA,CAAK,MAAM,MAAS,GAAA,CAAA,CAAA;AAEpB,IAAO,OAAA,IAAA,CAAA;AAAA,GACX;AAAA;AAAA,EAGO,OACP,GAAA;AACI,IAAA,IAAA,CAAK,SAAU,EAAA,CAAA;AACf,IAAA,IAAA,CAAK,KAAQ,GAAA,IAAA,CAAA;AACb,IAAA,IAAA,CAAK,KAAQ,GAAA,IAAA,CAAA;AAAA,GACjB;AAAA;AAAA;AAAA;AAAA;AAAA,EAMA,IAAW,KACX,GAAA;AACI,IAAO,OAAA,IAAA,CAAK,MAAM,MAAW,KAAA,CAAA,CAAA;AAAA,GACjC;AAAA;AAAA;AAAA;AAAA;AAAA,EAMA,IAAW,IACX,GAAA;AACI,IAAA,OAAO,IAAK,CAAA,KAAA,CAAA;AAAA,GAChB;AACJ;;;;"} |