add vite plugin

package.json

@@ -26,7 +26,8 @@
  "jsx.js",
  "loader.js",
  "macro.js",
- "carmiRoot.js"
+ "carmiRoot.js",
+ "vite.js"
  ],
  "publishConfig": {
  "registry": "https://registry.npmjs.org/"
@@ -63,7 +64,8 @@
  "resolve": "^1.10.0",
  "tempy": "^0.2.1",
  "toposort": "^1.0.6",
- "uuid": "^8.3.2"
+ "uuid": "^8.3.2",
+ "vite": "2.9.13"
  },
  "devDependencies": {
  "babel-plugin-tester": "^5.5.1",

src/vitePlugin/index.js

@@ -0,0 +1,40 @@
+const babel = require('@babel/core');
+const carmiBabelPlugin = require('../babelPlugin');
+const compileFile = require('../babelPlugin/compileFile');
+
+const isCarmiFile = (id) => /\.carmi\.(js|mjs)$/.test(id);
+
+function carmiVitePlugin(options = {}) {
+ return {
+ name: 'vite-plugin-carmi',
+ enforce: 'pre',
+
+ async transform(code, id) {
+ if (!isCarmiFile(id)) {
+ return null;
+ }
+
+ const babelResult = await babel.transformAsync(code, {
+ filename: id,
+ plugins: [carmiBabelPlugin],
+ ast: true
+ });
+
+ if (!babelResult || !babelResult.code) {
+ return null;
+ }
+
+ const compiledCode = compileFile(id, {
+ isDebug: options.debug,
+ disableCurrentLineFunctionName: options.disableCurrentLineFunctionName
+ });
+
+ return {
+ code: compiledCode,
+ map: babelResult.map
+ };
+ }
+ };
+}
+
+module.exports = carmiVitePlugin;

src/vitePlugin/test.carmi.js

@@ -0,0 +1,4 @@
+// @carmi
+
+const {root} = require('../../index');
+module.exports = {first: root.get(0), sum: root.call('sum')};

src/vitePlugin/vite-plugin.spec.js

@@ -0,0 +1,94 @@
+const vitePlugin = require('./index');
+
+describe('Carmi Vite Plugin', () => {
+ let mockPluginContext;
+
+
+ beforeEach(() => {
+ mockPluginContext = {
+ addWatchFile: jest.fn(),
+ emitFile: jest.fn()
+ };
+ jest.clearAllMocks();
+ });
+
+ const getCarmiTestFile = async (plugin, mockCode) => await plugin.transform.call(mockPluginContext, mockCode, './src/vitePlugin/test.carmi.js');
+
+ it('transforms .carmi.js files', async () => {
+ const plugin = vitePlugin();
+ const mockCode = `
+ const { root } = require('carmi');
+ module.exports = { first: root.get(0) };
+ `;
+
+ const result = await getCarmiTestFile(plugin, mockCode);
+
+ expect(result).toBeDefined();
+ expect(typeof result.code).toBe('string');
+ expect(result.code).toContain('function model');
+ });
+
+ it('does not transform regular .js files', async () => {
+ const plugin = vitePlugin();
+ const mockCode = `
+ const regularJsCode = 'Hello, World!';
+ `;
+
+ const result = await plugin.transform.call(mockPluginContext, mockCode, 'regular.js');
+
+ expect(result).toBeNull();
+ });
+
+ it('transforms files with @carmi comment', async () => {
+ const plugin = vitePlugin();
+ const mockCode = `
+ // @carmi
+ const { root } = require('carmi');
+ module.exports = { first: root.get(0) };
+ `;
+
+ const result = await getCarmiTestFile(plugin, mockCode);
+
+ expect(result).toBeDefined();
+ expect(result.code).toContain('function model');
+ });
+
+ it('does not transform files without .carmi.js extension or @carmi comment', async () => {
+ const plugin = vitePlugin();
+ const mockCode = `
+ const { root } = require('carmi');
+ module.exports = { first: root.get(0) };
+ `;
+
+ const result = await plugin.transform.call(mockPluginContext, mockCode, 'test.js');
+
+ expect(result).toBeNull();
+ });
+
+ it('handles carmi compiler options', async () => {
+ const customOptions = {optimize: true};
+ const plugin = vitePlugin(customOptions);
+ const mockCode = `
+ // @carmi
+ const { root } = require('carmi');
+ module.exports = { first: root.get(0) };
+ `;
+
+ const result = await getCarmiTestFile(plugin, mockCode);
+
+ expect(result).toBeDefined();
+ expect(typeof result.code).toBe('string');
+ });
+
+ it('handles syntax errors gracefully', async () => {
+ const plugin = vitePlugin();
+ const mockCode = `
+ // @carmi
+ const { root } = require('carmi');
+ module.exports = { first: root.get(0 }; // Missing closing parenthesis
+ `;
+
+ await expect(plugin.transform.call(mockPluginContext, mockCode, 'test.carmi.js'))
+ .rejects.toThrow();
+ });
+});

vite.config.js

@@ -0,0 +1,19 @@
+const {defineConfig} = require('vite');
+const carmiPlugin = require('./src/vitePlugin');
+const {resolve} = require('path');
+
+module.exports = api => defineConfig({
+ plugins: [carmiPlugin()],
+ build: {
+ outDir: 'dist',
+ rollupOptions: {
+ input: {
+ main: resolve(__dirname, 'test.carmi.js')
+ },
+ output: {
+ dir: 'dist',
+ format: 'es'
+ }
+ }
+ }
+});

vite.js

@@ -0,0 +1 @@
+module.exports = require('./src/vitePlugin');