Migrate from Yarn to Bun (Vite retained)

.github/workflows/ci.yml

@@ -1,38 +1,26 @@
 name: CI
 on: [pull_request]
 jobs:
-  
+
   build:
     name: Build
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v3
+      - uses: oven-sh/setup-bun@v2
         with:
-          node-version: 22
+          bun-version: 1.3.14
 
       - run: sudo apt-get install -y jq
-      - name: Get yarn cache directory path
-        id: yarn-cache-dir-path
-        run: echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
-
-      - uses: actions/cache@v3
-        id: yarn-cache  # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
-        with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-v4-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-v4-
-
-      - run: yarn install
-      - run: yarn build
+      - run: bun install --frozen-lockfile
+      - run: bun run build
 
       - name: Upload djangobuilder4 dist directory
         uses: actions/upload-artifact@v4
         with:
           name: djangobuilder4_dist
           path: ./packages/djangobuilder4/dist
-      
+
       - name: Upload djangobuilder.io dist directory
         uses: actions/upload-artifact@v4
         with:
@@ -45,41 +33,36 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/setup-node@v3
+      - uses: oven-sh/setup-bun@v2
         with:
-          node-version: 22
+          bun-version: 1.3.14
 
-      - name: Get yarn cache directory path
-        id: yarn-cache-dir-path
-        run: echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
-
-      - uses: actions/cache@v3
-        id: yarn-cache  # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
-        with:
-          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ runner.os }}-yarn-v4-${{ hashFiles('**/yarn.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-yarn-v4-
-      - run: yarn
-      - run: yarn lint
+      - run: bun install --frozen-lockfile
+      - run: bun run lint
 
   smoke_tests:
     name: Core - Smoke tests
     needs: [build]
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - run: yarn
-      - run: yarn test_smoke
-
+      - uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.3.14
+      - run: bun install --frozen-lockfile
+      - run: bun run test_smoke
+
   core_tests:
     name: Core - Unit tests
     needs: [smoke_tests]
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - run: yarn
-      - run: yarn test_core
+      - uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.3.14
+      - run: bun install --frozen-lockfile
+      - run: bun run test_core
 
   cli_tests:
     name: DB.io - CLI Tests
@@ -121,6 +104,9 @@ jobs:
         with:
           crate: websocat
       - uses: actions/checkout@v4
+      - uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.3.14
       - uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.version }}
@@ -129,19 +115,22 @@ jobs:
         with:
           # Install a specific version of uv.
           version: "0.5.6"
-      - run: yarn
+      - run: bun install --frozen-lockfile
       - name: Run Smoke tests
         run: make smoke_test_ci
         env:
           POSTGRES_URL: postgres://postgres:mysecretpassword@localhost:5432/postgres
           PYTHON_VERSION: ${{ matrix.version }}
           DJANGO_VERSION: ${{ matrix.django_version }}
-  
+
   io_tests:
     name: DB.io - Unit Tests
     needs: [build]
     runs-on: ubuntu-24.04
     steps:
       - uses: actions/checkout@v4
-      - run: yarn
-      - run: yarn test_io
+      - uses: oven-sh/setup-bun@v2
+        with:
+          bun-version: 1.3.14
+      - run: bun install --frozen-lockfile
+      - run: bun run test_io

Makefile

@@ -13,14 +13,14 @@ deploy:
 ifeq "$(name)" ""
 	@echo "Specify name e.g. make deploy name=staging" && exit 1
 else
-	firebase use $(name)
-	yarn run build_$(name)
+	bunx firebase use $(name)
+	bun run build_$(name)
 	rm -rf dist_$(name)
 	mkdir -p dist_$(name)
 	cp -r packages/djangobuilder.io/dist/* dist_$(name)/
 	mkdir -p dist_$(name)/db4/
 	cp -r packages/djangobuilder4/dist/* dist_$(name)/db4/
-	firebase deploy --public=dist_$(name)
+	bunx firebase deploy --public=dist_$(name)
 endif
 
 smoke_test:
@@ -32,7 +32,7 @@ smoke_test_ci:
 	./script/cli_test.sh /tmp/project-with-channels.json
 
 create:
-	yarn run cli ${EXAMPLE_PROJECT_POSTGRES_JSON} ${EXAMPLE_TAR_OUTPUT}
+	bun run cli ${EXAMPLE_PROJECT_POSTGRES_JSON} ${EXAMPLE_TAR_OUTPUT}
 	echo "Project created at ${PROJECT_NAME}"
 	tar -xvf ${EXAMPLE_TAR_OUTPUT}
 
@@ -62,7 +62,7 @@ run_django_channels: create_channels
 
 create_channels:
 	jq -s '.[0] * .[1]' ${EXAMPLE_PROJECT_POSTGRES_JSON} ${PARTIAL_WITH_CHANNELS_JSON} > /tmp/project-with-channels.json
-	yarn run cli /tmp/project-with-channels.json ${EXAMPLE_TAR_OUTPUT}
+	bun run cli /tmp/project-with-channels.json ${EXAMPLE_TAR_OUTPUT}
 	echo "Project created at ${PROJECT_NAME_WITH_CHANNELS}"
 	tar -xvf ${EXAMPLE_TAR_OUTPUT}
 

README.md

@@ -8,8 +8,12 @@ The original Django Builder v1 is deployed at:
 http://mmcardle.github.io/django_builder/
 
 ## Project setup
+
+This repo uses [Bun](https://bun.sh) as its package manager and task runner
+(Vite remains the bundler/dev-server). Install dependencies with:
+
 ```
-yarn install
+bun install
 ```
 
 ### CLI interface
@@ -35,9 +39,11 @@ python manage.py runserver
 Head to http://127.0.0.1:8000
 
 #### Firebase
+
+`firebase-tools` ships as a dev dependency, so run the Firebase CLI through Bun:
+
 ```
-npm install -g firebase-tools
-firebase login
+bunx firebase login
 ```
 
 ## Setup Firebase Environment
@@ -51,58 +57,53 @@ cp .env.example .env.development.local
 Edit this file with your firebase setup and run the development server.
 
 ```
-yarn serve
+bun run dev
 ```
 
 ### Compiles and minifies for different modes
 ```
-yarn build --mode=development
-yarn build --mode=production
+bun run build_development
+bun run build_production
 ```
 
 ### Initial setup
 
 When a fresh checkout is done aliases must be setup for each project, e.g. development
 
 ```
-firebase use --add
+bunx firebase use --add
 ```
 
 Follow the instructions to link to your Firebase application, choose the alias 'development' and your firebase project
 
 ### Deploy development
 ```
-firebase use development
-yarn build --mode=development --dest=dist_development
-firebase deploy --public=dist_development
+bunx firebase use development
+bun run build_development
+bunx firebase deploy --public=dist_development
 ```
 
 ### Run unit tests
 ```
-yarn test:unit
-```
-
-### Run e2e tests
-```
-yarn test:e2e
+bun run test_io
 ```
 
 ### Lints and fixes files
 ```
-yarn lint
+bun run lint
 ```
 
 ### Firebase get indexes
 Useful after creating an index
 ```
-firebase firestore:indexes
+bunx firebase firestore:indexes
 ```
 
 ### Firebase use project
 ```
-firebase use development
-firebase use production
+bunx firebase use development
+bunx firebase use production
 ```
 
 ### Customize configuration
-See [Configuration Reference](https://cli.vuejs.org/config/).
+See [Vite Configuration Reference](https://vite.dev/config/).

bin/django-builder

@@ -1,4 +1,6 @@
-#!/usr/bin/env node
+#!/usr/bin/env bun
+// Usage: django-builder <input.json> <output.tar>
+// Delegates to the core CLI's `render` command.
+import { main } from "../lib/djangobuilder-core/src/cli";
 
-require = require('esm')(module /*, options*/);
-require('../lib/djangobuilder-core/src/cli').cli(process.argv);
+main(["render", ...process.argv.slice(2)]);