[next] Add Storybook support

.eslintrc.json

@@ -1,41 +1,44 @@
 {
-	"globals": {
-		"EMOJIS": true,
-		"PRODUCTION": true,
-		"SCOPE_VERSION": true,
-		"TRANSLATIONS": true,
-		"oc_userconfig": true,
-		"appName": true,
-		"appVersion": true
-	},
-	"extends": [
-		"@nextcloud/eslint-config/vue3"
-	],
-	"parserOptions": {
-		"babelOptions": {
-			"plugins": [
-				"@babel/plugin-syntax-import-assertions"
-			]
-		}
-	},
-	"rules": {
-		"@nextcloud/no-deprecations": [
-			"error",
-			{
-				"parseAppInfo": false
-			}
-		],
-		"@nextcloud/no-removed-apis": [
-			"error",
-			{
-				"parseAppInfo": false
-			}
-		],
-		"import/no-unresolved": [
-			"error",
-			{
-				"ignore": ["\\?raw$"]
-			}
-		]
-	}
+ "globals": {
+  "EMOJIS": true,
+  "PRODUCTION": true,
+  "SCOPE_VERSION": true,
+  "TRANSLATIONS": true,
+  "oc_userconfig": true,
+  "appName": true,
+  "appVersion": true
+ },
+ "extends": [
+  "@nextcloud/eslint-config/vue3",
+  "plugin:storybook/recommended"
+ ],
+ "parserOptions": {
+  "babelOptions": {
+   "plugins": [
+    "@babel/plugin-syntax-import-assertions"
+   ]
+  }
+ },
+ "rules": {
+  "@nextcloud/no-deprecations": [
+   "error",
+   {
+    "parseAppInfo": false
+   }
+  ],
+  "@nextcloud/no-removed-apis": [
+   "error",
+   {
+    "parseAppInfo": false
+   }
+  ],
+  "import/no-unresolved": [
+   "error",
+   {
+    "ignore": [
+     "\\?raw$"
+    ]
+   }
+  ]
+ }
 }

.gitignore

@@ -32,3 +32,5 @@ styleguide/index.html
 /playwright-report/
 /blob-report/
 /tests/component/setup/.cache/
+
+*storybook.log

.storybook/globals.mock.ts

@@ -0,0 +1,110 @@
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+/**
+ * From server util.js
+ *
+ * @param {string} t The string to chunkify
+ * @return {Array}
+ */
+function chunkify(t) {
+	// Adapted from http://my.opera.com/GreyWyvern/blog/show.dml/1671288
+	const tz = []
+	let x = 0
+	let y = -1
+	let n = 0
+	let c
+
+	while (x < t.length) {
+	  c = t.charAt(x) // only include the dot in strings
+
+	  const m = !n && (c === '.' || (c >= '0' && c <= '9'))
+
+	  if (m !== n) {
+		// next chunk
+			y++
+			tz[y] = ''
+			n = m
+	  }
+
+	  tz[y] += c
+	  x++
+	}
+
+	return tz
+}
+
+// Global variables
+window._oc_webroot = ''
+
+window.OC = {
+	debug: true,
+	getCurrentUser() {
+		return {
+			uid: 'admin',
+			displayName: 'Administrator',
+		}
+	},
+	generateUrl() {
+		return 'https://raw.githubusercontent.com/nextcloud/promo/master/nextcloud-icon.png'
+	},
+	getLanguage() {
+		return 'en'
+	},
+	isUserAdmin() {
+		return true
+	},
+	config: {},
+	Util: {
+		/**
+		 * Compare two strings to provide a natural sort
+		 *
+		 * @param {string} a first string to compare
+		 * @param {string} b second string to compare
+		 * @return {number} -1 if b comes before a, 1 if a comes before b
+		 * or 0 if the strings are identical
+		 */
+		naturalSortCompare: function naturalSortCompare(a, b) {
+			let x
+			const aa = chunkify(a)
+			const bb = chunkify(b)
+
+			for (x = 0; aa[x] && bb[x]; x++) {
+				if (aa[x] !== bb[x]) {
+					const aNum = Number(aa[x])
+					const bNum = Number(bb[x]) // note: == is correct here
+
+					/* eslint-disable-next-line */
+					if (aNum == aa[x] && bNum == bb[x]) {
+						return aNum - bNum
+					} else {
+					// Note: This locale setting isn't supported by all browsers but for the ones
+					// that do there will be more consistency between client-server sorting
+						return aa[x].localeCompare(bb[x], OC.getLanguage())
+					}
+				}
+			}
+
+			return aa.length - bb.length
+		},
+	},
+	coreApps: [
+		'',
+		'admin',
+		'log',
+		'core/search',
+		'core',
+		'3rdparty',
+	],
+	appswebroots: {
+		calendar: '/apps/calendar',
+		deck: '/apps/deck',
+		files: '/apps/files',
+		spreed: '/apps/spreed',
+	},
+	webroot: '',
+}
+window.OCA = {}
+window.appName = 'nextcloud-vue'

.storybook/http.mock.ts

@@ -0,0 +1,41 @@
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+// A copy of styleguide/global.requires.js
+// TODO: use proper mocking with msw.io
+// @ts-nocheck
+
+import axios from '@nextcloud/axios'
+
+const USER_GROUPS = [
+	{ id: 'admin', displayname: 'The administrators' },
+	{ id: 'accounting', displayname: 'Accounting team' },
+	{ id: 'developer', displayname: 'Engineering team' },
+	{ id: 'support', displayname: 'Support crew' },
+	{ id: 'users', displayname: 'users' },
+]
+
+/**
+ * Mock some requests for docs
+ *
+ * @param {object} error Axios error
+ */
+function mockRequests(error) {
+	const { request } = error
+	let data = null
+
+	// Mock requesting groups
+	const requestGroups = request.responseURL.match(/cloud\/groups\/details\?search=([^&]*)&limit=\d+$/)
+	if (requestGroups) {
+		data = { groups: USER_GROUPS.filter(e => !requestGroups[1] || e.displayname.startsWith(requestGroups[1]) || e.id.startsWith(requestGroups[1])) }
+	}
+
+	if (data) {
+		return Promise.resolve({ data: { ocs: { data } } })
+	}
+	return Promise.reject(error)
+}
+
+axios.interceptors.response.use((r) => r, e => mockRequests(e))

.storybook/main.ts

@@ -0,0 +1,24 @@
+import type { StorybookConfig } from '@storybook/vue3-vite'
+
+const config: StorybookConfig = {
+	stories: ['../docs/**/*.mdx', '../src/**/*.mdx', '../src/**/*.stories.@(js|jsx|mjs|ts|tsx)'],
+
+	addons: [
+    	// Collection of essential addons like actions, controls, backgrounds, viewport, etc.
+		'@storybook/addon-essentials',
+    	// Links between stories
+		'@storybook/addon-links',
+    	// Allows to see and edit the source code of a story
+		'@storybook/addon-storysource',
+	],
+
+	framework: {
+		name: '@storybook/vue3-vite',
+		options: {
+			// vue-component-meta is recommended for Vue 3 and will be the default in the future
+			docgen: 'vue-component-meta',
+		},
+	},
+}
+
+export default config

.storybook/preview.ts

@@ -0,0 +1,34 @@
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import type { Preview } from '@storybook/vue3'
+
+import './styles.mock.ts'
+import './http.mock.ts'
+import './globals.mock.ts'
+
+const preview: Preview = {
+	parameters: {
+		controls: {
+			matchers: {
+				color: /(background|color)$/i,
+				date: /Date$/i,
+			},
+		},
+	},
+
+	decorators: [
+    	(_, { parameters }) => {
+			const { pageLayout } = parameters
+			// TODO: add layouts for app navigation/sidebar
+			switch (pageLayout) {
+			default:
+				return { template: '<story/>' };
+			}
+	  	},
+	]
+}
+
+export default preview

.storybook/styles.mock.ts

@@ -0,0 +1,7 @@
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import '../styleguide/assets/icons.css'
+import '../styleguide/assets/additional.css'

README.md

@@ -73,6 +73,7 @@ Our awesome translation community will then be notified and a bot will sync thos
 
 Nonetheless, it requires a bit of caution.
 When you implement a translated string, import the `translate` or `translatePlural` and add it in your methods like so:
+
 ```vue
 <template>
 	<element>
@@ -93,13 +94,15 @@ export default {
 
 Please note that using a translated string as an attribute will _NOT_ work.
 But it will work if it's within an element (like the example above)
+
 ```vue
 <template>
 	<element :prop="t('This will not work')" />
 </template>
 ```
 
 You will instead have to define the string in the data section and use the relevant variable reference.
+
 ```vue
 <template>
 	<element :prop="chooseProp" />