{"version":3,"sources":["../../../../src/components/VDatePicker/util/monthChange.ts"],"names":[],"mappings":";;;;;;;;;;;;;;AAEA;;;;kBAIe,UAAC,KAAD,EAAgB,IAAhB,EAAgC;AAAA,2BACvB,MAAM,KAAN,CAAY,GAAZ,EAAiB,GAAjB,CAAqB,MAArB,CADuB;AAAA;AAAA,QACtC,IADsC;AAAA,QAChC,KADgC;;AAG7C,QAAI,QAAQ,IAAR,KAAiB,CAArB,EAAwB;AACtB,eAAU,OAAO,CAAjB;AACD,KAFD,MAEO,IAAI,QAAQ,IAAR,KAAiB,EAArB,EAAyB;AAC9B,eAAU,OAAO,CAAjB;AACD,KAFM,MAEA;AACL,eAAU,IAAV,SAAkB,mBAAI,QAAQ,IAAZ,CAAlB;AACD;AACF,C","sourcesContent":["import pad from './pad'\n\n/**\n * @param {String} value YYYY-MM format\n * @param {Number} sign -1 or +1\n */\nexport default (value: string, sign: number) => {\n  const [year, month] = value.split('-').map(Number)\n\n  if (month + sign === 0) {\n    return `${year - 1}-12`\n  } else if (month + sign === 13) {\n    return `${year + 1}-01`\n  } else {\n    return `${year}-${pad(month + sign)}`\n  }\n}\n"],"sourceRoot":""}