initial commit

shared/lessons.d.ts

@@ -0,0 +1,45 @@
+interface LessonLike {
+  day: number;
+  date: string | null;
+  start: string;
+  end: string | null;
+  subject: string;
+  teacher: string;
+  room: string;
+  type: string;
+  condition: string;
+  variant: "all" | "upper" | "lower";
+  groups: string[];
+  subgroups: { group: string; label: string }[];
+}
+export interface FieldChange {
+  field: string;
+  label: string;
+  from: string | number;
+  to: string | number;
+}
+export interface ScheduleDiff<L> {
+  added: L[];
+  removed: L[];
+  changed: { before: L; after: L; fields: FieldChange[] }[];
+}
+export interface PersonalPrefs {
+  subgroup?: string | null;
+  hidden?: string[];
+}
+export function lessonKey(lesson: LessonLike, group: string): string;
+export function diffSchedules<L extends LessonLike>(
+  before: { lessons: L[] } | null | undefined,
+  after: { lessons: L[] } | null | undefined,
+  group: string,
+): ScheduleDiff<L>;
+export function changeCount(diff: ScheduleDiff<unknown> | null | undefined): number;
+export function personalFilter(
+  lesson: LessonLike,
+  group: string,
+  prefs: PersonalPrefs | null | undefined,
+): "shown" | "hidden" | "other-subgroup";
+export function subgroupsOf(
+  schedule: { lessons: LessonLike[] } | null | undefined,
+  group: string,
+): string[];