| 1 | {"version":3,"file":"base.js","sourceRoot":"","sources":["../src/base.ts"],"names":[],"mappings":";;;AAAA,8EAAqC;AAMrC;;GAEG;AACH;IAAkC,gCAAE;IAMlC,cAAY,GAAY;QAAxB,YACE,iBAAO,SAGR;QAPD,gBAAgB;QACT,eAAS,GAAY,KAAK,CAAC;QAIxB,IAAA,KAAmB,GAAG,QAAR,EAAd,OAAO,mBAAG,IAAI,KAAA,CAAS;QAC/B,KAAI,CAAC,OAAO,GAAG,OAAO,CAAC;;IACzB,CAAC;IAED;;OAEG;IACI,mBAAI,GAAX;QACE,IAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;QAC7B,IAAI,CAAC,OAAO,EAAE;YACZ,IAAI,CAAC,aAAa,CAAC,IAAI,CAAC,CAAC;SAC1B;IACH,CAAC;IAED;;OAEG;IACI,mBAAI,GAAX;QACE,IAAM,OAAO,GAAG,IAAI,CAAC,OAAO,CAAC;QAC7B,IAAI,OAAO,EAAE;YACX,IAAI,CAAC,aAAa,CAAC,KAAK,CAAC,CAAC;SAC3B;IACH,CAAC;IAED;;OAEG;IACI,sBAAO,GAAd;QACE,IAAI,CAAC,GAAG,EAAE,CAAC;QACX,IAAI,CAAC,SAAS,GAAG,IAAI,CAAC;IACxB,CAAC;IAED;;;;OAIG;IACI,4BAAa,GAApB,UAAqB,OAAgB;QACnC,IAAI,IAAI,CAAC,OAAO,KAAK,OAAO,EAAE;YAC5B,OAAO;SACR;QACD,IAAI,CAAC,OAAO,GAAG,OAAO,CAAC;IACzB,CAAC;IACH,WAAC;AAAD,CAAC,AAnDD,CAAkC,uBAAE,GAmDnC","sourcesContent":["import EE from '@antv/event-emitter';\n\ninterface BaseCfg {\n visible?: boolean;\n}\n\n/**\n * G2 Chart、View、Geometry 以及 Element 等的基类，提供事件以及一些通用的方法。\n */\nexport default class Base extends EE {\n /** 是否可见 */\n public visible: boolean;\n /** 标识对象是否已销毁 */\n public destroyed: boolean = false;\n\n constructor(cfg: BaseCfg) {\n super();\n const { visible = true } = cfg;\n this.visible = visible;\n }\n\n /**\n * 显示。\n */\n public show() {\n const visible = this.visible;\n if (!visible) {\n this.changeVisible(true);\n }\n }\n\n /**\n * 隐藏。\n */\n public hide() {\n const visible = this.visible;\n if (visible) {\n this.changeVisible(false);\n }\n }\n\n /**\n * 销毁。\n */\n public destroy() {\n this.off();\n this.destroyed = true;\n }\n\n /**\n * 显示或者隐藏。\n * @param visible\n * @returns\n */\n public changeVisible(visible: boolean) {\n if (this.visible === visible) {\n return;\n }\n this.visible = visible;\n }\n}\n"]} |