feat(docs): Add axios mocking for the documentation to allow examples…

… of the `NcSettingsSelectGroup`

Signed-off-by: Ferdinand Thiessen <opensource@fthiessen.de>

styleguide/global.requires.js

@@ -5,6 +5,39 @@ import 'regenerator-runtime/runtime'
 import Vue from 'vue'
 import VTooltip from './../src/directives/Tooltip'
 
+import axios from '@nextcloud/axios'
+
+const USER_GROUPS = [
+	{ id: 'admin', displayname: 'The administrators' },
+	{ id: 'foo', displayname: 'Famous foo group' },
+	{ id: 'bar', displayname: 'Bar group' },
+	{ id: 'baz', displayname: 'baz' },
+	{ 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))
+
 /**
  * From server util.js
  *