Sven (AAMOS AI)
48 lines
1.7 KiB
TypeScript
48 lines
1.7 KiB
TypeScript
import { z } from "zod";
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import { PRODUCT_ANALYTICS_EVENT_NAMES } from "@app/shared-types";
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export const MAX_ANALYTICS_BATCH_SIZE = 50;
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export const MAX_ANALYTICS_PROPERTY_SIZE = 8 * 1024; // 8 KiB per event properties JSON
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const eventNameSchema = z.enum(PRODUCT_ANALYTICS_EVENT_NAMES);
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const analyticsEventSchema = z.object({
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name: eventNameSchema,
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occurredAt: z
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.string()
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.refine((v) => !Number.isNaN(Date.parse(v)))
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.optional(),
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anonymousId: z.string().max(64).optional(),
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sessionId: z.string().max(64).optional(),
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householdId: z.string().uuid().optional(),
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appVersion: z.string().max(32).optional(),
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platform: z.enum(["ios", "android", "web"]).optional(),
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locale: z.string().max(16).optional(),
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experimentVariant: z.string().max(128).optional(),
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properties: z.record(z.string(), z.unknown()).default({}),
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});
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export const analyticsBatchInputSchema = z.object({
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events: z
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.array(analyticsEventSchema)
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.min(1, "At least one event is required")
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.max(MAX_ANALYTICS_BATCH_SIZE, `Max ${MAX_ANALYTICS_BATCH_SIZE} events per batch`),
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});
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export type AnalyticsBatchInput = z.infer<typeof analyticsBatchInputSchema>;
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/**
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* Validate that the JSON-stringified properties of each event fit within the
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* per-event byte budget. Call this after zod parsing.
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*/
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export function validateAnalyticsPropertySize(events: AnalyticsBatchInput["events"]): void {
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for (let i = 0; i < events.length; i++) {
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const size = new Blob([JSON.stringify(events[i]?.properties ?? {})]).size;
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if (size > MAX_ANALYTICS_PROPERTY_SIZE) {
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throw new Error(
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`Event ${i} properties exceed ${MAX_ANALYTICS_PROPERTY_SIZE} bytes (${size})`,
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);
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}
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}
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}
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