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chore: add spec template and tests
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‎.github/scripts/nebula_create.sh‎

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@@ -7,10 +7,15 @@ MASHUP="${3:-false}"
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INSTALL="${4:-false}"
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BUILD="${5:-true}"
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TEST="${6:-true}"
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TYPESCRIPT="${7:-false}"
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TEST_SPEC="${8:-false}"
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if [ "$MASHUP" = "true" ]; then
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echo "Create mashup project"
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./commands/cli/lib/index.js create mashup "$PROJECT_NAME" --install "$INSTALL" --pkgm yarn
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elif [ "$TYPESCRIPT" = "true" ]; then
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echo "Create TypeScript project"
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./commands/cli/lib/index.js create "$PROJECT_NAME" --typescript --install "$INSTALL" --pkgm yarn
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else
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echo "Create project based on Picasso template"
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./commands/cli/lib/index.js create "$PROJECT_NAME" --picasso "$PICASSO_TEMPLATE" --install "$INSTALL" --pkgm yarn
@@ -26,6 +31,40 @@ yarn link ../../commands/build
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yarn link ../../commands/serve
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echo "Log node_modules/@nebula.js"
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ls -la node_modules/@nebula.js
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if [ "$TEST_SPEC" = "true" ]; then
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echo "Running spec command..."
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yarn run spec
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echo "Verifying generated files..."
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if [ ! -f "generated/generated-default-properties.ts" ]; then
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echo "ERROR: generated-default-properties.ts was not created"
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exit 1
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fi
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# Find the schema file dynamically (name depends on package.json name)
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SCHEMA_FILE=$(find generated -name "*-properties.schema.json" | head -n 1)
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if [ -z "$SCHEMA_FILE" ]; then
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echo "ERROR: JSON schema file was not created"
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exit 1
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fi
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echo "✓ Spec command generated files successfully:"
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echo " - generated-default-properties.ts"
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echo " - $SCHEMA_FILE"
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# Verify schema structure
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if ! grep -q '"$id"' "$SCHEMA_FILE"; then
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echo "ERROR: Schema file missing \$id field"
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exit 1
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fi
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if ! grep -q '"definitions"' "$SCHEMA_FILE"; then
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echo "ERROR: Schema file missing definitions"
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exit 1
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fi
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echo "✓ Schema file structure validated"
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# Verify defaults file structure
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if ! grep -q "const.*Defaults.*:" "generated/generated-default-properties.ts"; then
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echo "ERROR: Defaults file has incorrect structure"
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exit 1
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fi
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echo "✓ Defaults file structure validated"
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fi
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if [ "$BUILD" = "true" ]; then
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yarn run build
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fi

‎.github/workflows/ci.yml‎

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@@ -121,6 +121,8 @@ jobs:
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run: .github/scripts/nebula_create.sh generated/hello none false false true true
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- name: Create Nebula visualization project (Barchart)
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run: .github/scripts/nebula_create.sh generated/barchart barchart false false true true
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- name: Create Nebula TypeScript project with spec command test
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run: .github/scripts/nebula_create.sh generated/typescript-chart none false false true true true true
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- name: Create Nebula mashup project
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run: .github/scripts/nebula_create.sh generated/hello-mashup none true true true false
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- name: Store barchart screenshots
@@ -129,6 +131,12 @@ jobs:
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with:
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name: barchart-screenshots
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path: generated/barchart/screenshots
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- name: Store TypeScript spec generated files
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if: always()
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uses: actions/upload-artifact@v5
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with:
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name: typescript-spec-generated
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path: generated/typescript-chart/generated
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- name: Store mashup artifacts
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if: always()
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uses: actions/upload-artifact@v5

‎SPEC_TESTING_SUMMARY.md‎

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@@ -0,0 +1,226 @@
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# Spec Command Testing Implementation Summary
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## Overview
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This implementation adds comprehensive testing for the `nebula spec` command through a new TypeScript template and integration with the existing `nebula create` test infrastructure.
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## Files Created
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### 1. TypeScript Template (`commands/create/templates/sn/typescript/`)
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A complete project template that demonstrates TypeScript property definitions with spec command support:
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- **`src/PropertyDef.ts`** - Sample TypeScript interface with JSDoc `@default` annotations
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- **`src/index.js`** - Chart entry point
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- **`src/object-properties.js`** - Initial property defaults (to be replaced by generated file)
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- **`src/meta.json`** - Chart metadata
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- **`_package.json`** - Package config with TypeScript and spec dependencies
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- **`tsconfig.json`** - TypeScript compiler configuration
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- **`nebula.config.js`** - Spec command configuration
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- **`_eslintrc.json`** - ESLint configuration
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- **`_gitignore`** - Git ignore patterns including generated files
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- **`README.md`** - Documentation on using the spec command
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- **`test/integration/example.spec.js`** - Placeholder integration test
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- **`test/integration/playwright.config.js`** - Playwright configuration
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### 2. Documentation
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- **`docs/spec-command-testing.md`** - Comprehensive testing documentation
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## Files Modified
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### 1. `commands/create/command.js`
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Added `--typescript` option:
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```javascript
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yargs.option('typescript', {
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type: 'boolean',
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description: 'Use TypeScript template with spec command support',
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default: false,
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});
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```
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### 2. `commands/create/lib/create.js`
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- Added TypeScript template prompt
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- Added logic to use `sn/typescript` folder when `--typescript` flag is set
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- Updated template selection to prioritize TypeScript over Picasso when both options are available
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### 3. `.github/scripts/nebula_create.sh`
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Added spec command testing capability:
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- New parameters: `TYPESCRIPT` and `TEST_SPEC`
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- Logic to create TypeScript projects with `--typescript` flag
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- Spec command execution and validation:
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- Verifies `generated-default-properties.ts` is created
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- Verifies JSON schema file is created
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- Validates schema structure (`$id`, `definitions`)
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- Validates defaults file structure
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- Comprehensive error messages
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### 4. `.github/workflows/ci.yml`
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- Added new test step: "Create Nebula TypeScript project with spec command test"
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- Added artifact upload for generated spec files
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- Test runs alongside existing Picasso and mashup template tests
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## Test Flow
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```
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1. CI Job: test-create
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↓
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2. Create TypeScript project
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./commands/cli/lib/index.js create typescript-chart --typescript
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↓
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3. Link local packages
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(stardust, cli, build, serve)
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↓
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4. Run spec command
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yarn run spec
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↓
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5. Validate generated files
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- generated-default-properties.ts
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- <name>-properties.schema.json
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↓
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6. Validate file structure
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- Schema has $id and definitions
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- Defaults has proper TypeScript structure
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↓
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7. Build project
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yarn run build
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↓
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8. Run e2e tests
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yarn run test:e2e
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↓
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9. Upload artifacts
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(generated files for inspection)
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```
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## Usage Examples
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### Create TypeScript Project Locally
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```bash
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# Using CLI directly
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./commands/cli/lib/index.js create my-chart --typescript
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# Using create command interactively
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./commands/cli/lib/index.js create my-chart
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# Will prompt for TypeScript option
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```
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### Run Tests Locally
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```bash
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# Build monorepo
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yarn build
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# Run create test with spec validation
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.github/scripts/nebula_create.sh test-chart none false false true true true true
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# ↑ ↑ ↑ ↑ ↑ ↑ ↑ ↑
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# name pic mash inst bld tst ts spec
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# Check generated files
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ls -la test-chart/generated/
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cat test-chart/generated/generated-default-properties.ts
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```
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### CI Testing
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The TypeScript template test runs automatically in the `test-create` job:
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```yaml
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- name: Create Nebula TypeScript project with spec command test
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run: .github/scripts/nebula_create.sh generated/typescript-chart none false false true true true true
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```
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## Validation Checks
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The test validates:
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### 1. File Creation
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✓ `generated/generated-default-properties.ts` exists
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✓ `generated/*-properties.schema.json` exists
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### 2. Schema Structure
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✓ Contains `"$id"` field
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✓ Contains `"definitions"` object
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✓ Valid JSON format
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### 3. Defaults Structure
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✓ Contains TypeScript const declaration
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✓ Proper syntax: `const <Name>Defaults: ...`
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### 4. Build Success
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✓ Project builds without errors
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✓ E2E tests pass
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## Integration with Existing Tests
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The spec command test is integrated into the existing `test-create` CI job, which already tests:
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- Picasso template (none)
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- Picasso template (barchart)
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- Mashup template
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Now also includes:
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- **TypeScript template with spec command**
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All tests run in parallel as part of the same job, sharing the built workspace artifact.
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## Benefits
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1. **Comprehensive Coverage**: Tests the entire spec command workflow end-to-end
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2. **Real-World Usage**: Uses actual template generation and package linking
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3. **Validation**: Ensures generated files have correct structure
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4. **CI Integration**: Runs automatically on every PR and push
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5. **Artifacts**: Generated files uploaded for manual inspection
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6. **Documentation**: Complete docs for future maintenance
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## Future Enhancements
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Potential improvements:
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- Add unit tests for spec command logic
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- Test with more complex TypeScript interfaces
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- Validate JSON schema compliance with standards
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- Test defaults file type-checking
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- Add snapshot testing for generated content
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- Test error cases (invalid TypeScript, missing annotations, etc.)
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## Commands for Testing
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```bash
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# Local development
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yarn build
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.github/scripts/nebula_create.sh test-ts none false false true true true true
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# CI (automatic)
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# Runs as part of test-create job on every PR
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# Manual spec command in generated project
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cd generated/typescript-chart
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yarn run spec
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ls -la generated/
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# View generated defaults
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cat generated/generated-default-properties.ts
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# View generated schema
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cat generated/*-properties.schema.json | jq '.'
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```
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## Notes
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- Template uses JSDoc `@default` annotations for default value extraction
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- Generated files are gitignored by default
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- TypeScript is a devDependency only (runtime uses JavaScript)
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- Spec command is optional - charts can still use manual property definitions
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- Compatible with all existing nebula.js workflows (serve, build, sense)

‎commands/create/command.js‎

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@@ -39,6 +39,11 @@ module.exports = {
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choices: ['none', 'minimal', 'barchart'],
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description: 'Picasso template',
4141
});
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yargs.option('typescript', {
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type: 'boolean',
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description: 'Use TypeScript template with spec command support',
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default: false,
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});
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yargs.option('author', {
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type: 'string',
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description: 'Package author',

‎commands/create/lib/create.js‎

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@@ -88,7 +88,14 @@ const create = async (argv) => {
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message: 'Pick a picasso template',
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default: 'none',
9090
choices: ['none', 'minimal', 'barchart'],
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when: !isMashup && !argv.picasso,
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when: !isMashup && !argv.picasso && !argv.typescript,
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},
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{
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type: 'confirm',
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name: 'typescript',
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message: 'Use TypeScript template with spec command support?',
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default: false,
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when: !isMashup && !argv.typescript && !argv.picasso,
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},
93100
]);
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@@ -98,7 +105,7 @@ const create = async (argv) => {
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const write = async () => {
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console.log('\n');
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console.log('> Begin generating files...');
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const { picasso } = options;
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const { picasso, typescript } = options;
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fse.ensureDirSync(destination);
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const copy = copyFactory(templatesRoot, destination);
@@ -107,6 +114,8 @@ const create = async (argv) => {
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const folders = ['common'];
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if (isMashup) {
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folders.push('mashup');
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} else if (typescript) {
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folders.push('sn/typescript');
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} else {
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folders.push('sn/common');
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if (picasso !== 'none') {

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