Vite: Add web-components/lit support

code/frameworks/vue3-vite/preset.js

@@ -1,2 +1 @@
-console.log('vue3-vite preset!');
 module.exports = require('./dist/preset');

code/frameworks/web-components-vite/README.md

@@ -0,0 +1 @@
+# Storybook for Web components

code/frameworks/web-components-vite/package.json

@@ -0,0 +1,86 @@
+{
+  "name": "@storybook/web-components-vite",
+  "version": "7.0.0-alpha.34",
+  "description": "Storybook for web-components and Vite: Develop Web Components in isolation with Hot Reloading.",
+  "keywords": [
+    "storybook"
+  ],
+  "homepage": "https://github.com/storybookjs/storybook/tree/main/frameworks/web-components-vite",
+  "bugs": {
+    "url": "https://github.com/storybookjs/storybook/issues"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/storybookjs/storybook.git",
+    "directory": "frameworks/web-components-vite"
+  },
+  "funding": {
+    "type": "opencollective",
+    "url": "https://opencollective.com/storybook"
+  },
+  "license": "MIT",
+  "exports": {
+    ".": {
+      "require": "./dist/index.js",
+      "import": "./dist/index.mjs",
+      "types": "./dist/index.d.ts"
+    },
+    "./preset": {
+      "require": "./dist/preset.js",
+      "import": "./dist/preset.mjs",
+      "types": "./dist/preset.d.ts"
+    },
+    "./package.json": {
+      "require": "./package.json",
+      "import": "./package.json",
+      "types": "./package.json"
+    }
+  },
+  "main": "dist/index.js",
+  "module": "dist/index.mjs",
+  "types": "dist/index.d.ts",
+  "files": [
+    "dist/**/*",
+    "types/**/*",
+    "README.md",
+    "*.js",
+    "*.d.ts"
+  ],
+  "scripts": {
+    "check": "tsc --noEmit",
+    "prep": "../../../scripts/prepare/bundle.ts"
+  },
+  "dependencies": {
+    "@storybook/addons": "7.0.0-alpha.34",
+    "@storybook/builder-vite": "7.0.0-alpha.34",
+    "@storybook/channel-postmessage": "7.0.0-alpha.34",
+    "@storybook/channel-websocket": "7.0.0-alpha.34",
+    "@storybook/client-api": "7.0.0-alpha.34",
+    "@storybook/core-server": "7.0.0-alpha.34",
+    "@storybook/node-logger": "7.0.0-alpha.34",
+    "@storybook/preview-web": "7.0.0-alpha.34",
+    "@storybook/web-components": "7.0.0-alpha.34",
+    "@vitejs/plugin-vue": "^3.0.3",
+    "magic-string": "^0.26.1",
+    "vite": "3"
+  },
+  "devDependencies": {
+    "@types/node": "^14.14.20 || ^16.0.0",
+    "typescript": "~4.6.3",
+    "vite": "^3.1.0"
+  },
+  "engines": {
+    "node": "^14.18 || >=16"
+  },
+  "publishConfig": {
+    "access": "public"
+  },
+  "bundler": {
+    "entries": [
+      "./src/index.ts",
+      "./src/preset.ts"
+    ],
+    "platform": "node"
+  },
+  "gitHead": "02c013c33186479017098d532a18ff8654b91f1f"
+}

code/frameworks/web-components-vite/preset.js

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

code/frameworks/web-components-vite/src/index.ts

@@ -0,0 +1,9 @@
+// exports for builder-vite
+export { createChannel as createPostMessageChannel } from '@storybook/channel-postmessage';
+export { createChannel as createWebSocketChannel } from '@storybook/channel-websocket';
+export { addons } from '@storybook/addons';
+export { composeConfigs, PreviewWeb } from '@storybook/preview-web';
+export { ClientApi } from '@storybook/client-api';
+
+export * from '@storybook/web-components';
+export type { StorybookConfig } from '@storybook/builder-vite';

code/frameworks/web-components-vite/src/preset.ts

@@ -0,0 +1,7 @@
+import type { StorybookConfig } from '@storybook/builder-vite';
+
+export const addons: StorybookConfig['addons'] = ['@storybook/web-components'];
+
+export const core: StorybookConfig['core'] = {
+  builder: '@storybook/builder-vite',
+};

code/frameworks/web-components-vite/tsconfig.json

@@ -0,0 +1,10 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "rootDir": "./src",
+    "types": ["node"],
+    "resolveJsonModule": true
+  },
+  "include": ["src/**/*"],
+  "exclude": ["src/**/*.test.*", "src/**/__testfixtures__/**"]
+}

code/lib/cli/src/automigrate/fixes/new-frameworks.ts

@@ -35,11 +35,11 @@ const packagesMap: Record<string, { webpack5?: string; vite?: string }> = {
   },
   '@storybook/svelte': {
     webpack5: '@storybook/svelte-webpack5',
-    // TODO: bring this back once we have the svelte-vite package
     vite: '@storybook/svelte-vite',
   },
   '@storybook/web-components': {
     webpack5: '@storybook/web-components-webpack5',
+    vite: '@storybook/web-components-vite',
   },
   '@storybook/html': {
     webpack5: '@storybook/html-webpack5',

code/lib/cli/src/repro-templates.ts

@@ -94,6 +94,29 @@ const svelteViteTemplates = {
   // }
 };
 
+const litViteTemplates = {
+  'lit-vite/default-js': {
+    name: 'Lit Vite (JS)',
+    script: 'yarn create vite . --template lit',
+    cadence: [] as any,
+    expected: {
+      framework: '@storybook/web-components-vite',
+      renderer: '@storybook/web-components',
+      builder: '@storybook/builder-vite',
+    },
+  },
+  'lit-vite/default-ts': {
+    name: 'Lit Vite (TS)',
+    script: 'yarn create vite . --template lit-ts',
+    cadence: [] as any,
+    expected: {
+      framework: '@storybook/web-components-vite',
+      renderer: '@storybook/web-components',
+      builder: '@storybook/builder-vite',
+    },
+  },
+};
+
 const vueCliTemplates = {
   'vue-cli/default-js': {
     name: 'Vue-CLI (Default JS)',
@@ -124,6 +147,7 @@ export default {
   ...reactViteTemplates,
   ...vue3ViteTemplates,
   ...svelteViteTemplates,
+  ...litViteTemplates,
   ...vueCliTemplates,
   // FIXME: missing documentation.json
   // 'angular/latest': {

code/lib/cli/src/versions.ts

@@ -77,6 +77,7 @@ export default {
   '@storybook/vue3-webpack5': '7.0.0-alpha.34',
   '@storybook/web-components': '7.0.0-alpha.34',
   '@storybook/web-components-webpack5': '7.0.0-alpha.34',
+  '@storybook/web-components-vite': '7.0.0-alpha.34',
   sb: '7.0.0-alpha.34',
   storybook: '7.0.0-alpha.34',
 };

code/package.json

@@ -234,6 +234,7 @@
     "@storybook/vue3-vite": "workspace:*",
     "@storybook/vue3-webpack5": "workspace:*",
     "@storybook/web-components": "workspace:*",
+    "@storybook/web-components-vite": "workspace:*",
     "@storybook/web-components-webpack5": "workspace:*",
     "@testing-library/dom": "^7.29.4",
     "@testing-library/jest-dom": "^5.11.9",

code/renderers/web-components/src/config.ts

@@ -2,4 +2,4 @@ import { parameters as docsParams } from './docs/config';
 
 export const parameters = { framework: 'web-components' as const, ...docsParams };
 export { decorators, argTypesEnhancers } from './docs/config';
-export { renderToDOM } from './render';
+export { render, renderToDOM } from './render';

code/renderers/web-components/src/docs/sourceDecorator.test.ts

@@ -1,5 +1,6 @@
+/* eslint-disable import/extensions */
 import { html } from 'lit-html';
-import { styleMap } from 'lit-html/directives/style-map';
+import { styleMap } from 'lit-html/directives/style-map.js';
 import { addons, useEffect } from '@storybook/addons';
 import { SNIPPET_RENDERED } from '@storybook/docs-tools';
 import type { StoryContext } from '../types';

code/renderers/web-components/src/render.ts

@@ -3,16 +3,33 @@
 import global from 'global';
 
 import { dedent } from 'ts-dedent';
-import { render } from 'lit-html';
+import { render as litRender, html } from 'lit-html';
 // Keep `.js` extension to avoid issue with Webpack (related to export map?)
 // eslint-disable-next-line import/extensions
 import { isTemplateResult } from 'lit-html/directive-helpers.js';
 import { simulatePageLoad, simulateDOMContentLoaded } from '@storybook/preview-web';
 import type { RenderContext } from '@storybook/store';
+import { ArgsStoryFn } from '@storybook/csf';
 import { WebComponentsFramework } from './types';
 
 const { Node } = global;
 
+export const render: ArgsStoryFn<WebComponentsFramework> = (args, context) => {
+  const { id, component } = context;
+  if (!component) {
+    throw new Error(
+      `Unable to render story ${id} as the component annotation is missing from the default export`
+    );
+  }
+
+  // FIXME: replace by one of
+  // - https://github.com/lit/lit/pull/1960
+  // - https://github.com/open-wc/open-wc/pull/2398
+  const argProps = Object.entries(args).map(([key, val]) => `.${key}=${val}`);
+
+  return html`<${component} ${argProps.join(' ')}></${component}>`;
+};
+
 export function renderToDOM(
   { storyFn, kind, name, showMain, showError, forceRemount }: RenderContext<WebComponentsFramework>,
   domElement: Element
@@ -29,7 +46,7 @@ export function renderToDOM(
     }
     const renderTo = domElement.querySelector<HTMLElement>('[id="root-inner"]');
 
-    render(element, renderTo);
+    litRender(element, renderTo);
     simulatePageLoad(domElement);
   } else if (typeof element === 'string') {
     domElement.innerHTML = element;

code/renderers/web-components/template/components/Button.js

@@ -0,0 +1,22 @@
+/* eslint-disable import/extensions */
+import { html } from 'lit-html';
+import { styleMap } from 'lit-html/directives/style-map.js';
+import './button.css';
+
+/**
+ * Primary UI component for user interaction
+ */
+export const Button = ({ primary, backgroundColor = null, size, label, onClick }) => {
+  const mode = primary ? 'storybook-button--primary' : 'storybook-button--secondary';
+
+  return html`
+    <button
+      type="button"
+      class=${['storybook-button', `storybook-button--${size || 'medium'}`, mode].join(' ')}
+      style=${styleMap({ backgroundColor })}
+      @click=${onClick}
+    >
+      ${label}
+    </button>
+  `;
+};

code/renderers/web-components/template/components/Pre.js

@@ -0,0 +1,14 @@
+/* eslint-disable import/extensions */
+import { html } from 'lit-html';
+import { styleMap } from 'lit-html/directives/style-map.js';
+
+/**
+ * Helper component for rendering text or data
+ */
+export const Pre = ({ style, object, text }) =>
+  html`
+    <pre data-testid="pre" style=${styleMap({ style })}>
+      ${object ? JSON.stringify(object, null, 2) : text}
+    </pre
+    >
+  `;

code/renderers/web-components/template/components/button.css

@@ -0,0 +1,30 @@
+.storybook-button {
+  font-family: 'Nunito Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;
+  font-weight: 700;
+  border: 0;
+  border-radius: 3em;
+  cursor: pointer;
+  display: inline-block;
+  line-height: 1;
+}
+.storybook-button--primary {
+  color: white;
+  background-color: #1ea7fd;
+}
+.storybook-button--secondary {
+  color: #333;
+  background-color: transparent;
+  box-shadow: rgba(0, 0, 0, 0.15) 0px 0px 0px 1px inset;
+}
+.storybook-button--small {
+  font-size: 12px;
+  padding: 10px 16px;
+}
+.storybook-button--medium {
+  font-size: 14px;
+  padding: 11px 20px;
+}
+.storybook-button--large {
+  font-size: 16px;
+  padding: 12px 24px;
+}

code/renderers/web-components/template/components/index.js

@@ -0,0 +1,6 @@
+import globalThis from 'global';
+
+import { Button } from './Button';
+import { Pre } from './Pre';
+
+globalThis.Components = { Button, Pre };

code/renderers/web-components/template/stories/README.md

@@ -0,0 +1 @@
+Placeholder until we write some render-specific stories

code/workspace.json

@@ -401,6 +401,11 @@
       "type": "library",
       "implicitDependencies": []
     },
+    "@storybook/web-components-vite": {
+      "root": "frameworks/web-components-vite",
+      "type": "library",
+      "implicitDependencies": []
+    },
     "@storybook/web-components-webpack5": {
       "root": "frameworks/web-components-webpack5",
       "type": "library",

code/yarn.lock

@@ -8667,6 +8667,7 @@ __metadata:
     "@storybook/vue3-vite": "workspace:*"
     "@storybook/vue3-webpack5": "workspace:*"
     "@storybook/web-components": "workspace:*"
+    "@storybook/web-components-vite": "workspace:*"
     "@storybook/web-components-webpack5": "workspace:*"
     "@testing-library/dom": ^7.29.4
     "@testing-library/jest-dom": ^5.11.9
@@ -9233,6 +9234,27 @@ __metadata:
   languageName: unknown
   linkType: soft
 
+"@storybook/web-components-vite@workspace:*, @storybook/web-components-vite@workspace:frameworks/web-components-vite":
+  version: 0.0.0-use.local
+  resolution: "@storybook/web-components-vite@workspace:frameworks/web-components-vite"
+  dependencies:
+    "@storybook/addons": 7.0.0-alpha.34
+    "@storybook/builder-vite": 7.0.0-alpha.34
+    "@storybook/channel-postmessage": 7.0.0-alpha.34
+    "@storybook/channel-websocket": 7.0.0-alpha.34
+    "@storybook/client-api": 7.0.0-alpha.34
+    "@storybook/core-server": 7.0.0-alpha.34
+    "@storybook/node-logger": 7.0.0-alpha.34
+    "@storybook/preview-web": 7.0.0-alpha.34
+    "@storybook/web-components": 7.0.0-alpha.34
+    "@types/node": ^14.14.20 || ^16.0.0
+    "@vitejs/plugin-vue": ^3.0.3
+    magic-string: ^0.26.1
+    typescript: ~4.6.3
+    vite: ^3.1.0
+  languageName: unknown
+  linkType: soft
+
 "@storybook/web-components-webpack5@workspace:*, @storybook/web-components-webpack5@workspace:frameworks/web-components-webpack5":
   version: 0.0.0-use.local
   resolution: "@storybook/web-components-webpack5@workspace:frameworks/web-components-webpack5"

scripts/sandbox.ts

@@ -552,9 +552,7 @@ async function main() {
 
 if (require.main === module) {
   main().catch((err) => {
-    logger.error('🚨 An error occurred when executing "sandbox":');
-
-    logger.error(err);
+    logger.error(err.message);
     process.exit(1);
   });
 }