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Upgrade to Storybook v7 with Vite
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‎.changeset/shiny-pans-sit.md

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---
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'@shopify/polaris': minor
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---
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Upgrade to Storybook v7 with Vite

‎polaris-react/.storybook/addons/global-controls-panel/manager.jsx

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import React from 'react';
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import {
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AddonPanel,
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Icons,
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IconButton,
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Placeholder,
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Link,
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} from '@storybook/components';
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import {PureArgsTable} from '@storybook/blocks';
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import {addons, types} from '@storybook/manager-api';
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import {styled} from '@storybook/theming';
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import {useGlobals} from '@storybook/api';
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addons.register('global-controls', () => {
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addons.add('grid-options/panel', {
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type: types.PANEL,
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title: 'Grid',
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match: ({viewMode}) => viewMode === 'story',
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render: ({active, key}) => <GridPanel active={active} key={key} />,
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});
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addons.add('feature-flags/panel', {
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type: types.PANEL,
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title: 'Feature flags',
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match: ({viewMode}) => viewMode === 'story',
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render: ({active, key}) => <FeatureFlagPanel active={active} key={key} />,
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});
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addons.add('github/link', {
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type: types.TOOLEXTRA,
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title: 'GitHub',
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match: ({viewMode}) => viewMode === 'story' || viewMode === 'docs',
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render: GitHubToolbar,
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});
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});
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export const featureFlagOptions = {
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// For example:
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// polarisSummerEditions2023: { // This name must match the name accepted by `AppProvider#features`
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// name: 'polarisSummerEditions2023',
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// description: 'Toggle the summer editions feature flag',
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// defaultValue: false,
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// control: {type: 'boolean'},
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// },
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};
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export const gridOptions = {
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showGrid: {
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name: 'Show grid overlay',
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description: 'Show or hide a 4 / 12 column grid, overlaying components',
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defaultValue: false,
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control: {type: 'boolean'},
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},
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gridInFrame: {
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name: 'Grid in frame',
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description: 'Show grid within app frame context',
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defaultValue: false,
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control: {type: 'boolean'},
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},
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gridWidth: {
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name: 'Grid width',
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description: 'Set a max width for the grid overlay',
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default: '100%',
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control: {type: 'select'},
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options: ['560px', '768px', '1008px', '100%'],
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},
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gridLayer: {
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name: 'Grid layer',
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description: 'Set the grid layer above or below content',
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default: 'below',
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control: {type: 'select'},
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options: ['above', 'below'],
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},
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};
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function GridPanel(props) {
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const [globals, updateGlobals] = useGlobals();
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return (
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<AddonPanel {...props}>
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<PureArgsTable
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inAddonPanel
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rows={gridOptions}
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args={globals}
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updateArgs={updateGlobals}
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/>
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</AddonPanel>
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);
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}
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function FeatureFlagPanel(props) {
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const [globals, updateGlobals] = useGlobals();
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return (
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<AddonPanel {...props}>
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{Object.keys(featureFlagOptions).length ? (
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<PureArgsTable
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inAddonPanel
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rows={featureFlagOptions}
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args={globals}
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updateArgs={updateGlobals}
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/>
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) : (
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<Placeholder>
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<p>No feature flags configured</p>
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<p>
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<Link
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withArrow
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href="https://github.com/search?q=repo%3AShopify%2Fpolaris+featureFlagOptions+path%3Apolaris-react%2F.storybook%2Faddons%2Fglobal-controls-panel%2Fmanager.jsx&type=code"
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>
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Edit configuration
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</Link>
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</p>
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</Placeholder>
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)}
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</AddonPanel>
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);
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}
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const IconButtonLink = styled(IconButton)({
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textDecoration: 'none',
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});
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function GitHubToolbar() {
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let link;
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let title;
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let buttonText;
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// All of the storybook manager leverages the `@storybook/builder-manager` package, which builds with esbuild under the hood, and not vite.
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// This means that we can't use the `import.meta.env` syntax to access environment variables.
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// See https://github.com/storybookjs/storybook/blob/d112cbac280f23530b366918b9d54818006db963/code/builders/builder-manager/src/index.ts#L103
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if (process.env.STORYBOOK_GITHUB_REPO_URL) {
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link = `${process.env.STORYBOOK_GITHUB_REPO_URL}`;
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title = 'View source on GitHub';
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buttonText = 'GitHub';
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if (process.env.STORYBOOK_GITHUB_PR) {
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link = `${link}/pull/${process.env.STORYBOOK_GITHUB_PR}`;
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title = `Built from PR #${process.env.STORYBOOK_GITHUB_PR}`;
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buttonText = `PR #${process.env.STORYBOOK_GITHUB_PR}`;
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} else if (process.env.STORYBOOK_GITHUB_SHA) {
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link = `${link}/commit/${process.env.STORYBOOK_GITHUB_SHA}`;
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title = `Built from commit ${process.env.STORYBOOK_GITHUB_SHA}`;
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buttonText = <code>{process.env.STORYBOOK_GITHUB_SHA.slice(0, 7)}</code>;
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}
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}
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return link ? (
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<IconButtonLink as="a" href={link} title={title} target="_blank">
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<Icons icon="github" />
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&nbsp;{buttonText}
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</IconButtonLink>
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) : null;
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}

‎polaris-react/.storybook/addons/global-controls-panel/preset.js

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function managerEntries(entry = []) {
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// Unfortunately have to do this dance for Storybook v7 to load our addon
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return [...entry, require.resolve('./manager')];
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}
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export default {managerEntries};

‎polaris-react/.storybook/main.js

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const path = require('path');
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const spawn = require('child_process').spawn;
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const CreateFileWebpack = require('create-file-webpack');
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const postcssPlugins = require('../config/postcss-plugins');
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const {generateScopedName} = require('../config/rollup/namespaced-classname');
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const moduleIdentCreator = generateScopedName({includeHash: true});
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import path from 'node:path';
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import {mergeConfig} from 'vite';
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module.exports = {
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framework: '@storybook/react-vite',
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core: {
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builder: 'webpack5',
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disableTelemetry: true,
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},
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stories: [
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{
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'@storybook/addon-a11y',
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'@storybook/addon-toolbars',
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'@storybook/addon-viewport',
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'./addons/global-controls-panel/preset.js',
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],
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webpackFinal: (config) => {
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const extraRules = [
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{
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test: /\.scss$/,
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use: [
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{
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loader: 'style-loader',
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},
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{
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loader: 'css-loader',
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options: {
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importLoaders: 1,
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modules: {
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getLocalIdent: ({resourcePath}, _, localName) =>
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moduleIdentCreator(localName, resourcePath),
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auto: true,
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},
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},
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},
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{
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loader: 'postcss-loader',
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options: {
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postcssOptions: {
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plugins: postcssPlugins,
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},
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},
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},
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{
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loader: 'sass-loader',
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},
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],
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},
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];
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config.module.rules = [...config.module.rules, ...extraRules];
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// This Vite config is only used by Storybook for building the preview iframe
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// (ie; the code in our stories and preview.jsx). This does not apply to the
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// add-ons and any other storybook UI code.
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config.resolve.alias = {
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...config.resolve.alias,
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'@shopify/polaris': path.resolve(__dirname, '..', 'src'),
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};
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return config;
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// The config argument passed to viteFinal is a merge of the default storybook
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// vite config, and the config specified in our `polaris-react/vite.config.js`
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// file.
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async viteFinal(config) {
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return mergeConfig(config, {
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define: {
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// Set any environment variables here. At this point we're able to
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// access env vars used when Storybook was built / run. After this,
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// `process.env` becomes unavailable (ie; if we want to change the
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// behaviour of a storybook addon based on an environment variable).
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// Environment variables set here are available as `import.meta.env.*`
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// and will be a literal string replacement.
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// For example, to forcibly enable a feature flag, add this config:
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// 'process.env.FEATURE': JSON.stringify(process.env.FEATURE) ?? 'undefined',
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// Then edit `polaris-react/.storybook/preview.jsx` to read
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// `import.meta.env.FEATURE` and pass the value to `AppProvider`.
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},
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resolve: {
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alias: {
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// Stories import `@shopify/polaris` so they match the actual code
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// people will write. But when running in storybook, we want to use
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// the actual source code (not the built code) to avoid running build
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// twice (once to build Polaris, then again in storybook).
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'@shopify/polaris': path.resolve(__dirname, '..', 'src'),
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// Similarly, we want to link against the src version of
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// polaris-patterns
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'@shopify/polaris-patterns': path.resolve(
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__dirname,
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'..',
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'..',
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'polaris-patterns',
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'src',
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),
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},
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},
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});
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},
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};

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