{"version":3,"file":"submenu.mjs","names":[],"sources":["../../../../../../../packages/components/menu/src/utils/submenu.ts"],"sourcesContent":["import { getEventCode, triggerEvent } from '@element-plus/utils'\nimport { EVENT_CODE } from '@element-plus/constants'\n\nimport type MenuItem from './menu-item'\n\nclass SubMenu {\n  public subMenuItems: NodeListOf<HTMLLIElement>\n  public subIndex: number\n  constructor(\n    public parent: MenuItem,\n    public domNode: ParentNode\n  ) {\n    this.subIndex = 0\n    this.subMenuItems = this.domNode.querySelectorAll('li')\n    this.addListeners()\n  }\n\n  gotoSubIndex(idx: number) {\n    if (idx === this.subMenuItems.length) {\n      idx = 0\n    } else if (idx < 0) {\n      idx = this.subMenuItems.length - 1\n    }\n    this.subMenuItems[idx].focus()\n    this.subIndex = idx\n  }\n\n  addListeners() {\n    const parentNode = this.parent.domNode\n    this.subMenuItems.forEach((el) => {\n      el.addEventListener('keydown', (event: KeyboardEvent) => {\n        const code = getEventCode(event)\n        let prevDef = false\n\n        switch (code) {\n          case EVENT_CODE.down: {\n            this.gotoSubIndex(this.subIndex + 1)\n            prevDef = true\n            break\n          }\n          case EVENT_CODE.up: {\n            this.gotoSubIndex(this.subIndex - 1)\n            prevDef = true\n            break\n          }\n          case EVENT_CODE.tab: {\n            triggerEvent(parentNode, 'mouseleave')\n            break\n          }\n          case EVENT_CODE.enter:\n          case EVENT_CODE.numpadEnter:\n          case EVENT_CODE.space: {\n            prevDef = true\n            ;(event.currentTarget as HTMLElement).click()\n            break\n          }\n        }\n        if (prevDef) {\n          event.preventDefault()\n          event.stopPropagation()\n        }\n        return false\n      })\n    })\n  }\n}\n\nexport default SubMenu\n"],"mappings":";;;;;AAKA,IAAM,UAAN,MAAc;CAGZ,YACE,AAAO,QACP,AAAO,SACP;EAFO;EACA;AAEP,OAAK,WAAW;AAChB,OAAK,eAAe,KAAK,QAAQ,iBAAiB,KAAK;AACvD,OAAK,cAAc;;CAGrB,aAAa,KAAa;AACxB,MAAI,QAAQ,KAAK,aAAa,OAC5B,OAAM;WACG,MAAM,EACf,OAAM,KAAK,aAAa,SAAS;AAEnC,OAAK,aAAa,KAAK,OAAO;AAC9B,OAAK,WAAW;;CAGlB,eAAe;EACb,MAAM,aAAa,KAAK,OAAO;AAC/B,OAAK,aAAa,SAAS,OAAO;AAChC,MAAG,iBAAiB,YAAY,UAAyB;IACvD,MAAM,OAAO,aAAa,MAAM;IAChC,IAAI,UAAU;AAEd,YAAQ,MAAR;KACE,KAAK,WAAW;AACd,WAAK,aAAa,KAAK,WAAW,EAAE;AACpC,gBAAU;AACV;KAEF,KAAK,WAAW;AACd,WAAK,aAAa,KAAK,WAAW,EAAE;AACpC,gBAAU;AACV;KAEF,KAAK,WAAW;AACd,mBAAa,YAAY,aAAa;AACtC;KAEF,KAAK,WAAW;KAChB,KAAK,WAAW;KAChB,KAAK,WAAW;AACd,gBAAU;AACT,MAAC,MAAM,cAA8B,OAAO;AAC7C;;AAGJ,QAAI,SAAS;AACX,WAAM,gBAAgB;AACtB,WAAM,iBAAiB;;AAEzB,WAAO;KACP;IACF"}