refactor(pkgs): share vitest config and dedupe helpers (#3384)

packages/snowflake/src/SnowflakeUtils.ts

@@ -16,7 +16,11 @@ function toClampedTimestamp(timestamp: number): number {
 }
 
 export function extractTimestamp(snowflake: string): number {
-	return extractTimestampFromSnowflake(snowflake);
+	try {
+		return extractTimestampWithEpoch(BigInt(snowflake), FLUXER_EPOCH);
+	} catch (_error) {
+		return Number.NaN;
+	}
 }
 
 export function extractTimestampBigInt(snowflake: bigint): number {
@@ -86,17 +90,8 @@ export function age(snowflake: string): number {
 	return Date.now() - timestamp;
 }
 
-export function extractTimestampFromSnowflake(snowflake: string, epoch?: string | bigint): number {
-	try {
-		const epochBigInt = epoch != null ? (typeof epoch === 'string' ? BigInt(epoch) : epoch) : FLUXER_EPOCH;
-		return extractTimestampWithEpoch(BigInt(snowflake), epochBigInt);
-	} catch (_error) {
-		return Number.NaN;
-	}
-}
-
-export function extractTimestampFromSnowflakeAsDate(snowflake: string, epoch?: string | bigint): Date {
-	const timestamp = extractTimestampFromSnowflake(snowflake, epoch);
+export function extractTimestampFromSnowflakeAsDate(snowflake: string): Date {
+	const timestamp = extractTimestamp(snowflake);
 	if (Number.isNaN(timestamp)) {
 		return new Date();
 	}

packages/snowflake/vitest.config.ts

@@ -1,18 +1,3 @@
 // SPDX-License-Identifier: AGPL-3.0-or-later
 
-import {defineConfig} from 'vitest/config';
-
-export default defineConfig({
-	resolve: {tsconfigPaths: true},
-	test: {
-		globals: true,
-		environment: 'node',
-		include: ['**/*.{test,spec}.{ts,tsx}'],
-		exclude: ['node_modules', 'dist'],
-		coverage: {
-			provider: 'v8',
-			reporter: ['text', 'json', 'html'],
-			exclude: ['**/*.test.tsx', '**/*.spec.tsx', 'node_modules/'],
-		},
-	},
-});
+export {default} from '../../tsconfigs/vitest.base.mts';