Files
BYW-VoiceHub/server/utils/grade-class-core.ts
T

39 lines
1.3 KiB
TypeScript

// 年级班级选项的纯函数核心(无 db 依赖,便于单测)
export const smartSort = (a: string, b: string) => {
const gradeOrder: Record<string, number> = {
'初一': 1, '初二': 2, '初三': 3,
'高一': 4, '高二': 5, '高三': 6,
'大一': 7, '大二': 8, '大三': 9, '大四': 10,
'教师': 99, '教职工': 99
}
const weightA = gradeOrder[a]
const weightB = gradeOrder[b]
if (weightA !== undefined && weightB !== undefined) return weightA - weightB
if (weightA !== undefined) return -1
if (weightB !== undefined) return 1
return a.localeCompare(b, 'zh-CN', { numeric: true })
}
export interface GradeClassOption {
grade: string
class: string
}
// 配置优先,配置为空时回退到用户提取;统一过滤空值与 smartSort 排序
export const resolveGradeClassOptions = (
configItems: GradeClassOption[],
fallbackItems: GradeClassOption[]
): GradeClassOption[] => {
const source = configItems.length > 0 ? configItems : fallbackItems
return source
.filter((item): item is GradeClassOption => Boolean(item.grade?.trim()) && Boolean(item.class?.trim()))
.sort((a, b) => {
const gradeResult = smartSort(a.grade, b.grade)
return gradeResult || smartSort(a.class, b.class)
})
}