Merge pull request #60 from bywhitebird/59-create-the-storybook-plugi…

…n-for-kaz

59 create the storybook plugin for kaz

apps/kaz-playground/package.json

@@ -35,5 +35,8 @@
     "react-dom": "^18.0.0",
     "tailwindcss": "^3.0.24",
     "zod": "^3.21.4"
+  },
+  "devDependencies": {
+    "encoding": "^0.1.13"
   }
 }

examples/simple-kazam-project/.storybook/main.js

@@ -0,0 +1,33 @@
+import { join, dirname } from "path";
+
+/**
+ * This function is used to resolve the absolute path of a package.
+ * It is needed in projects that use Yarn PnP or are set up within a monorepo.
+ */
+function getAbsolutePath(value) {
+  return dirname(require.resolve(join(value, "package.json")));
+}
+
+/** @type { import('@storybook/react-vite').StorybookConfig } */
+const config = {
+  stories: ["../src/**/*.mdx", "../src/**/*.stories.@(js|jsx|mjs|ts|tsx)"],
+  addons: [
+    getAbsolutePath("@storybook/addon-links"),
+    getAbsolutePath("@storybook/addon-essentials"),
+    getAbsolutePath("@storybook/addon-onboarding"),
+    getAbsolutePath("@storybook/addon-interactions"),
+  ],
+  framework: {
+    // @ts-ignore
+    name: getAbsolutePath("@whitebird/storybook-plugin-kaz-react-vite"),
+    options: {},
+  },
+  docs: {
+    autodocs: "tag",
+  },
+  core: {
+    // @ts-ignore
+    builder: getAbsolutePath('@storybook/builder-vite'),
+  },
+};
+export default config;

examples/simple-kazam-project/.storybook/preview.js

@@ -0,0 +1,14 @@
+/** @type { import('@storybook/react').Preview } */
+const preview = {
+  parameters: {
+    actions: { argTypesRegex: "^on[A-Z].*" },
+    controls: {
+      matchers: {
+        color: /(background|color)$/i,
+        date: /Date$/i,
+      },
+    },
+  },
+};
+
+export default preview;

examples/simple-kazam-project/package.json

@@ -2,9 +2,26 @@
   "name": "simple-kazam-project",
   "version": "0.0.0",
   "private": true,
+  "scripts": {
+    "storybook": "storybook dev -p 6006",
+    "build-storybook": "storybook build"
+  },
   "devDependencies": {
-    "kazam": "workspace:*",
+    "@storybook/addon-essentials": "^7.5.1",
+    "@storybook/addon-interactions": "^7.5.1",
+    "@storybook/addon-links": "^7.5.1",
+    "@storybook/addon-onboarding": "^1.0.8",
+    "@storybook/blocks": "^7.5.1",
+    "@storybook/react": "^7.5.1",
+    "@storybook/react-vite": "^7.5.1",
+    "@storybook/testing-library": "^0.2.2",
+    "@whitebird/kazam-parser-kaz": "workspace:*",
     "@whitebird/kazam-transformer-react": "workspace:*",
-    "@whitebird/kazam-parser-kaz": "workspace:*"
+    "@whitebird/storybook-plugin-kaz-react-vite": "workspace:*",
+    "kazam": "workspace:*",
+    "prop-types": "^15.8.1",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0",
+    "storybook": "^7.5.1"
   }
-}
+}

examples/simple-kazam-project/src/components/Button.kaz

@@ -1,10 +1,14 @@
 - prop buttonText: string = "Button"
-- prop callback: () => void = () => console.log('Button clicked')
+- prop callback: () => void = () => {
+    console.log('Button clicked')
+}
+- prop color: string = "red"
 
 div() {
     button(
         type="submit",
-        on:click={callback}
+        on:click={callback},
+        style={`background-color: ${color}; color: white`}
     ) {
         ${buttonText}
     }

examples/simple-kazam-project/src/stories/Button.stories.tsx

@@ -0,0 +1,22 @@
+import type { StoryObj } from '@storybook/react'
+
+import Button from '../components/Button.kaz'
+
+export default {
+  title: 'Example/Button',
+  component: Button,
+  parameters: {
+    layout: 'centered',
+  },
+  tags: ['autodocs'],
+  argTypes: {
+    callback: { action: 'clicked' },
+  },
+}
+
+export const Primary: StoryObj = {
+  args: {
+    buttonText: 'Button',
+    color: 'red',
+  },
+}

examples/simple-kazam-project/src/types/kaz-shim.d.ts

@@ -0,0 +1,7 @@
+declare module '*.kaz' {
+  import type { ComponentType } from 'react'
+
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  const component: ComponentType<any>
+  export default component
+}

examples/simple-kazam-project/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Default",
+  "extends": "@whitebird/tsconfig/node.json",
+  "compilerOptions": {
+    "outDir": "dist",
+    "jsx": "react-jsx"
+  },
+  "include": ["src"],
+  "exclude": ["node_modules", "dist"]
+}

package.json

@@ -44,7 +44,8 @@
       "@antfu/eslint-config": "0.43.1"
     },
     "patchedDependencies": {
-      "[email protected]": "patches/[email protected]"
+      "[email protected]": "patches/[email protected]",
+      "@storybook/[email protected]": "patches/@[email protected]"
     }
   }
 }

packages/storybook-plugin-kaz-react-vite/CHANGELOG.md

@@ -0,0 +1,12 @@
+# @whitebird/kazam-parser-base
+
+## 0.1.0
+
+### Minor Changes
+
+- 4fd3da1: Initial release
+
+### Patch Changes
+
+- Updated dependencies [4fd3da1]
+  - @whitebird/kazam-transformer-base@0.1.0

packages/storybook-plugin-kaz-react-vite/build.config.ts

@@ -0,0 +1,5 @@
+import { defineBuildConfig } from 'unbuild'
+
+export default defineBuildConfig({
+  declaration: true,
+})

packages/storybook-plugin-kaz-react-vite/package.json

@@ -0,0 +1,36 @@
+{
+  "name": "@whitebird/storybook-plugin-kaz-react-vite",
+  "type": "module",
+  "version": "0.1.0",
+  "license": "MIT",
+  "exports": {
+    ".": {
+      "import": "./dist/index.mjs",
+      "require": "./dist/index.cjs"
+    },
+    "./preset": {
+      "types": "./dist/preset.d.ts",
+      "require": "./dist/preset.cjs"
+    },
+    "./package.json": "./package.json"
+  },
+  "main": "./dist/index.cjs",
+  "types": "./dist/index.d.ts",
+  "files": [
+    "dist"
+  ],
+  "scripts": {
+    "build": "unbuild",
+    "lint": "eslint .",
+    "lint:fix": "eslint . --fix"
+  },
+  "dependencies": {
+    "@storybook/react-vite": "^7.5.1",
+    "@whitebird/kazam-parser-kaz": "workspace:*",
+    "@whitebird/kazam-transformer-react": "workspace:*",
+    "kazam": "workspace:*"
+  },
+  "devDependencies": {
+    "@types/node": "^18.11.9"
+  }
+}

packages/storybook-plugin-kaz-react-vite/preset.js

@@ -0,0 +1 @@
+module.exports = require('./dist/preset')

packages/storybook-plugin-kaz-react-vite/src/index.ts

@@ -0,0 +1 @@
+export {}

packages/storybook-plugin-kaz-react-vite/src/preset.ts

@@ -0,0 +1,17 @@
+import type { StorybookConfig } from '@storybook/react-vite'
+import { viteFinal as reactViteFinal } from '@storybook/react-vite/preset'
+
+import { viteKazReactPlugin } from './vite-kaz-react-plugin'
+
+export * from '@storybook/react-vite/preset'
+
+export const viteFinal: StorybookConfig['viteFinal'] = async (config, options) => {
+  if (reactViteFinal !== undefined)
+    config = await reactViteFinal(config, options)
+
+  const { plugins = [] } = config
+
+  plugins.unshift(viteKazReactPlugin())
+
+  return config
+}

packages/storybook-plugin-kaz-react-vite/src/vite-kaz-react-plugin.ts

@@ -0,0 +1,78 @@
+import * as path from 'node:path'
+
+import { ParserKaz } from '@whitebird/kazam-parser-kaz'
+import { TransformerReact } from '@whitebird/kazam-transformer-react'
+import * as kazam from 'kazam'
+import type { Plugin } from 'vite'
+
+export const viteKazReactPlugin = (): Plugin => {
+  const KAZ_REACT_SUFFIX = '?kaz-react'
+
+  const kazComponents: string[] = []
+  let kazamGenerationResult: Awaited<ReturnType<typeof kazam.generate>>[0] | undefined
+  let rootDir: string | undefined
+
+  return {
+    name: 'vite-kaz-react',
+
+    enforce: 'pre',
+
+    resolveId(source, importer) {
+      if (importer?.endsWith('/index.html'))
+        rootDir = importer.slice(0, -'index.html'.length)
+
+      if (source.endsWith('.kaz')) {
+        const componentPath = path.join(path.dirname(importer ?? ''), source)
+
+        kazComponents.push(componentPath)
+        return `${componentPath}.tsx${KAZ_REACT_SUFFIX}`
+      }
+
+      return null
+    },
+
+    async load(id) {
+      // As we provide only one config, kazam.generate will return only one output
+      if (id.endsWith(KAZ_REACT_SUFFIX)) {
+        if (rootDir === undefined)
+          throw new Error('rootDir is undefined')
+
+        kazamGenerationResult ??= await kazam.generate({
+          rootDir,
+          input: kazComponents,
+          output: rootDir,
+          parsers: [ParserKaz],
+          transformers: [TransformerReact],
+        }).then(([output]) => output)
+
+        if (kazamGenerationResult === undefined)
+          throw new Error('kazamGenerationResult is undefined')
+
+        const kazComponentId = id.slice(0, -`.tsx${KAZ_REACT_SUFFIX}`.length)
+        const kazComponentFilename = path.basename(kazComponentId)
+
+        const output = kazamGenerationResult.get(kazComponentFilename)?.content
+
+        if (output === undefined)
+          throw new Error(`Could not find output for ${kazComponentId}`)
+
+        return output
+      }
+
+      return null
+    },
+
+    handleHotUpdate({ file, server, modules }) {
+      if (file.endsWith('.kaz')) {
+        kazamGenerationResult = undefined
+
+        return [
+          ...(server.moduleGraph.getModulesByFile(`${file}.tsx`) ?? []),
+          ...modules,
+        ]
+      }
+
+      return modules
+    },
+  }
+}

packages/storybook-plugin-kaz-react-vite/tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "$schema": "https://json.schemastore.org/tsconfig",
+  "display": "Default",
+  "extends": "@whitebird/tsconfig/node.json",
+  "compilerOptions": {
+    "outDir": "dist"
+  },
+  "include": ["src"],
+  "exclude": ["node_modules", "dist"]
+}

packages/transformer-react/src/transformer-react/transform/transform-service/functions/auto-import.ts

@@ -23,7 +23,7 @@ export const autoImport = (tagName: string) =>
     if (componentPath === undefined)
       return
 
-    yield * _(transformService.addImport('namedImport', {
+    yield * _(transformService.addImport('defaultImport', {
       name: tagName,
       path: `./${path.relative(
         path.dirname(metadata.filePath),

packages/transformer-react/src/transformer-react/transform/transform-service/functions/handlers/kaz.ts

@@ -1,5 +1,3 @@
-import * as path from 'node:path'
-
 import { Effect, pipe } from 'effect'
 
 import { TransformService } from '../../transform-service'
@@ -34,14 +32,9 @@ export const handleKaz: Handle<'ast', string>
       Exclude<typeof kaz.instructions[number], { $type: 'ImportInstruction' | 'PropInstruction' }>[]
     )
 
-    const metadata = yield * _(transformService.getMetadata())
-    const componentName = path.basename(metadata.componentName, path.extname(metadata.componentName))
-
     return yield * _(pipe(
       String.prototype.concat(
-        'export const ',
-        componentName,
-        ' = (',
+        'export default (',
         props.length > 0
           ? `{ ${propsDeclaration} }: { ${propsType} }`
           : '',

packages/transformer-react/src/transformer-react/transform/transform-service/functions/handlers/propInstruction.ts

@@ -14,7 +14,7 @@ export const handlePropInstruction: Handle<'propInstruction', {
       declaration: String.prototype.concat(
         propInstruction.name.$value,
         propInstruction.defaultValue !== undefined
-          ? ` = ${transformService.transformExpression(propInstruction.defaultValue.expression)}`
+          ? ` = ${yield * _(transformService.transformExpression(propInstruction.defaultValue.expression))}`
           : '',
       ),
       type: String.prototype.concat(

packages/transformer-react/tests/helpers/render-transformer-react-output-to-html.ts

@@ -38,7 +38,7 @@ function formatTsxForClient(
   return `
     import ReactDOM from 'react-dom/client';
 
-    ${tsx}
+    ${tsx.replace('export default', 'const Index =')}
 
     const root = ReactDOM.createRoot(
       document.getElementById('root')

patches/@storybook__react-vite@7.5.1.patch

@@ -0,0 +1,16 @@
+diff --git a/package.json b/package.json
+index 53cb6051f09b624d4c54bfb4a6b388531b90ac88..4fcf4772164a0a2566f1677f1afe6fac4e6a30a9 100644
+--- a/package.json
++++ b/package.json
+@@ -32,6 +32,11 @@
+     },
+     "./package.json": "./package.json"
+   },
++  "typesVersions": {
++    "*": {
++      "preset": ["./dist/preset.d.ts"]
++    }
++  },
+   "main": "dist/index.js",
+   "module": "dist/index.mjs",
+   "types": "dist/index.d.ts",