refactor(api): share dayjs lib to utilities package

apps/api/next.config.js

@@ -2,7 +2,7 @@
 const nextConfig = {
   reactStrictMode: true,
   rewrites: () => [{ source: '/v1/:path*', destination: '/api/v1/:path*' }],
-  transpilePackages: ['@6pm/validation'],
+  transpilePackages: ['@6pm/validation', '@6pm/utilities'],
 }
 
 module.exports = nextConfig

apps/api/package.json

@@ -16,14 +16,14 @@
     "check": "biome check"
   },
   "dependencies": {
+    "@6pm/utilities": "workspace:^",
     "@6pm/validation": "workspace:^",
     "@clerk/backend": "^1.2.4",
     "@hono/clerk-auth": "^2.0.0",
     "@hono/node-server": "^1.11.4",
     "@hono/zod-validator": "^0.2.2",
     "@prisma/client": "^5.16.0",
     "@vercel/blob": "^0.23.4",
-    "dayjs": "^1.11.11",
     "hono": "^4.4.8",
     "next": "^14.2.4",
     "openai": "^4.52.7",

apps/api/v1/services/budget.service.ts

@@ -1,11 +1,6 @@
+import { calculateBudgetPeriodStartEndDates } from '@6pm/utilities'
 import type { CreateBudget, UpdateBudget } from '@6pm/validation'
-import {
-  type Budget,
-  BudgetPeriodType,
-  BudgetUserPermission,
-  type User,
-} from '@prisma/client'
-import { dayjsExtended } from '../../lib/dayjs'
+import { type Budget, BudgetUserPermission, type User } from '@prisma/client'
 import prisma from '../../lib/prisma'
 import { inviteUserToBudget } from './budget-invitation.service'
 
@@ -92,49 +87,12 @@ export async function isUserBudgetOwner({
 export async function findBudget({ budgetId }: { budgetId: string }) {
   return prisma.budget.findUnique({
     where: { id: budgetId },
+    include: {
+      periodConfig: true,
+    },
   })
 }
 
-/**
- * Given an anchor date and period type,
- * calculate the start and end dates of the budget period.
- * Example:
- * - anchorDate: 2022-01-15
- * - periodType: MONTHLY
- * - startDate: 2022-01-01
- * - endDate: 2022-01-31
- */
-function calculateBudgetPeriodStartEndDates({
-  anchorDate,
-  type,
-}: {
-  anchorDate: Date
-  type: BudgetPeriodType
-}) {
-  switch (type) {
-    case BudgetPeriodType.MONTHLY:
-      return {
-        startDate: dayjsExtended(anchorDate).startOf('month').toDate(),
-        endDate: dayjsExtended(anchorDate).endOf('month').toDate(),
-      }
-    case BudgetPeriodType.QUARTERLY:
-      return {
-        startDate: dayjsExtended(anchorDate).startOf('quarter').toDate(),
-        endDate: dayjsExtended(anchorDate).endOf('quarter').toDate(),
-      }
-    case BudgetPeriodType.YEARLY:
-      return {
-        startDate: dayjsExtended(anchorDate).startOf('year').toDate(),
-        endDate: dayjsExtended(anchorDate).endOf('year').toDate(),
-      }
-    default:
-      return {
-        startDate: null,
-        endDate: null,
-      }
-  }
-}
-
 export async function createBudget({
   user,
   data,

packages/utilities/README.md

@@ -0,0 +1 @@
+# @6pm/utilities

packages/utilities/biome.json

@@ -0,0 +1,7 @@
+{
+  "$schema": "https://biomejs.dev/schemas/1.8.0/schema.json",
+  "extends": ["../../biome.json"],
+  "files": {
+    "include": ["**/*.ts", "**/*.tsx"]
+  }
+}

packages/utilities/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "@6pm/utilities",
+  "version": "1.0.0",
+  "description": "Shared utilities between apps",
+  "main": "src/index.ts",
+  "scripts": {
+    "check": "biome check"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@6pm/validation": "workspace:^",
+    "@prisma/client": "^5.16.0",
+    "dayjs": "^1.11.11"
+  }
+}

packages/utilities/src/date/period.ts

@@ -0,0 +1,47 @@
+import { BudgetPeriodType } from '@prisma/client'
+import { dayjsExtended } from './dayjs'
+
+/**
+ * Given an anchor date and period type,
+ * calculate the start and end dates of the budget period.
+ * Example:
+ * - anchorDate: 2022-01-15
+ * - periodType: MONTHLY
+ * - startDate: 2022-01-01
+ * - endDate: 2022-01-31
+ */
+export function calculateBudgetPeriodStartEndDates({
+  anchorDate,
+  type,
+}: {
+  anchorDate: Date
+  type: BudgetPeriodType
+}) {
+  switch (type) {
+    case BudgetPeriodType.WEEKLY:
+      return {
+        startDate: dayjsExtended(anchorDate).startOf('week').toDate(),
+        endDate: dayjsExtended(anchorDate).endOf('week').toDate(),
+      }
+    case BudgetPeriodType.MONTHLY:
+      return {
+        startDate: dayjsExtended(anchorDate).startOf('month').toDate(),
+        endDate: dayjsExtended(anchorDate).endOf('month').toDate(),
+      }
+    case BudgetPeriodType.QUARTERLY:
+      return {
+        startDate: dayjsExtended(anchorDate).startOf('quarter').toDate(),
+        endDate: dayjsExtended(anchorDate).endOf('quarter').toDate(),
+      }
+    case BudgetPeriodType.YEARLY:
+      return {
+        startDate: dayjsExtended(anchorDate).startOf('year').toDate(),
+        endDate: dayjsExtended(anchorDate).endOf('year').toDate(),
+      }
+    default:
+      return {
+        startDate: null,
+        endDate: null,
+      }
+  }
+}

packages/utilities/src/index.ts

@@ -0,0 +1,2 @@
+export * from './date/dayjs'
+export * from './date/period'