Add scaffolding to point dev server at local functions

common/api.ts

@@ -12,7 +12,9 @@ export class APIError extends Error {
 }
 
 export function getFunctionUrl(name: string) {
-  if (process.env.NEXT_PUBLIC_FIREBASE_EMULATE) {
+  if (process.env.NEXT_PUBLIC_FUNCTIONS_URL) {
+    return `${process.env.NEXT_PUBLIC_FUNCTIONS_URL}/${name}`
+  } else if (process.env.NEXT_PUBLIC_FIREBASE_EMULATE) {
     const { projectId, region } = ENV_CONFIG.firebaseConfig
     return `http://localhost:5001/${projectId}/${region}/${name}`
   } else {

dev.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+ENV=${1:-dev}
+case $ENV in
+    dev)
+      FIREBASE_PROJECT=dev
+      NEXT_ENV=DEV ;;
+    prod)
+      FIREBASE_PROJECT=prod
+      NEXT_ENV=PROD ;;
+    *)
+      echo "Invalid environment; must be dev or prod."
+      exit 1
+esac
+
+firebase use $FIREBASE_PROJECT
+
+# run all of: local functions, next.js dev server, typechecking on web project
+npx concurrently \
+    -n FUNCTIONS,NEXT,TS \
+    -c white,magenta,cyan \
+    "yarn --cwd=functions dev" \
+    "cross-env NEXT_PUBLIC_FUNCTIONS_URL=http://localhost:8080 \
+               NEXT_PUBLIC_FIREBASE_ENV=${NEXT_ENV} \
+               yarn --cwd=web serve" \
+    "cross-env yarn --cwd=web ts-watch"

functions/package.json

@@ -12,6 +12,7 @@
     "start": "yarn shell",
     "deploy": "firebase deploy --only functions",
     "logs": "firebase functions:log",
+    "dev": "nodemon src/serve.ts",
     "serve": "firebase use dev && yarn build && firebase emulators:start --only functions,firestore --import=./firestore_export",
     "db:update-local-from-remote": "yarn db:backup-remote && gsutil rsync -r gs://$npm_package_config_firestore/firestore_export ./firestore_export",
     "db:backup-local": "firebase emulators:export --force ./firestore_export",

web/package.json

@@ -9,6 +9,7 @@
     "devdev": "cross-env NEXT_PUBLIC_FIREBASE_ENV=DEV yarn dev",
     "dev:dev": "yarn devdev",
     "dev:the": "cross-env NEXT_PUBLIC_FIREBASE_ENV=THEOREMONE yarn dev",
+    "dev:local": "cross-env NEXT_PUBLIC_FUNCTIONS_URL=http://localhost:8080 yarn devdev",
     "dev:emulate": "cross-env NEXT_PUBLIC_FIRESTORE_EMULATE=TRUE yarn devdev",
     "build": "next build",
     "start": "next start",