added zod

Author: davish

package-lock.json

@@ -65,6 +65,7 @@
         "obsidian-daily-notes-interface": "^0.9.4",
         "react": "^17.0.2",
         "react-dom": "^17.0.2",
-        "rrule": "^2.7.2"
+        "rrule": "^2.7.2",
+        "zod": "^3.21.4"
     }
 }

package.json

@@ -0,0 +1,83 @@
+import { z, ZodError } from "zod";
+import { DateTime, Duration } from "luxon";
+
+const parsedDate = () =>
+    z.string().transform((val) => DateTime.fromFormat(val, "yyyy-MM-dd"));
+const parsedTime = () =>
+    z.string().transform((val, ctx) => {
+        let parsed = DateTime.fromFormat(val, "h:mm a");
+        if (parsed.invalidReason) {
+            parsed = DateTime.fromFormat(val, "HH:mm");
+        }
+
+        if (parsed.invalidReason) {
+            ctx.addIssue({
+                code: z.ZodIssueCode.custom,
+                message: parsed.invalidReason,
+            });
+            return z.NEVER;
+        }
+
+        return Duration.fromISOTime(
+            parsed.toISOTime({
+                includeOffset: false,
+                includePrefix: false,
+            })
+        );
+    });
+
+const TimeSchema = z.discriminatedUnion("allDay", [
+    z.object({ allDay: z.literal(true) }),
+    z.object({
+        allDay: z.literal(false).optional(),
+        startTime: parsedTime(),
+        endTime: parsedTime(),
+    }),
+]);
+
+const CommonSchema = z.object({ title: z.string(), id: z.string().optional() });
+
+const EventSchema = z.discriminatedUnion("type", [
+    z
+        .object({
+            type: z.literal("single").default("single"),
+            date: parsedDate(),
+            endDate: parsedDate().optional(),
+            completed: z.date().or(z.literal(false)).or(z.literal(null)),
+        })
+        .merge(CommonSchema),
+    z
+        .object({
+            type: z.literal("recurring"),
+            daysOfWeek: z.array(z.enum(["U", "M", "T", "W", "R", "F", "S"])),
+            startRecur: parsedDate().optional(),
+            endRecur: parsedDate().optional(),
+        })
+        .merge(CommonSchema),
+    z
+        .object({
+            type: z.literal("rrule"),
+            startDate: parsedDate(),
+            rrule: z.string(),
+            skipDates: z.array(parsedDate()),
+        })
+        .merge(CommonSchema),
+]);
+
+type EventType = z.infer<typeof EventSchema>;
+type TimeType = z.infer<typeof TimeSchema>;
+
+export type OFCEvent = EventType & TimeType;
+
+export function parseEvent(obj: any): OFCEvent | null {
+    try {
+        const timeInfo = TimeSchema.parse(obj);
+        const eventInfo = EventSchema.parse(obj);
+        return { ...eventInfo, ...timeInfo };
+    } catch (e) {
+        if (e instanceof ZodError) {
+            console.debug("Parsing failed with errors", e.errors);
+        }
+        return null;
+    }
+}