Add Template Gallery support

services/web/frontend/js/features/template/context/template-context.tsx

@@ -0,0 +1,53 @@
+import {
+  createContext,
+  FC,
+  useCallback,
+  useContext,
+  useState,
+  useMemo,
+} from 'react'
+import useEventListener from '@/shared/hooks/use-event-listener'
+import getMeta from '@/utils/meta'
+import { Template } from '../../../../../types/template'
+
+type TemplateContextType = {
+  template: Template
+  setTemplate: (template: Template) => void
+}
+
+export const TemplateContext = createContext<TemplateContextType | undefined>(
+  undefined
+)
+
+type TemplateProviderProps = {
+  loadedTemplate: Template
+}
+
+export const TemplateProvider: FC<TemplateProviderProps> = ({ children }) => {
+  const loadedTemplate = useMemo(() => getMeta('ol-template'), [])
+  const [template, setTemplate] = useState(loadedTemplate)
+
+  const value = useMemo(
+    () => ({
+      template,
+      setTemplate,
+    }),
+    [template, setTemplate]
+  )
+
+  return (
+    <TemplateContext.Provider value={value}>
+      {children}
+    </TemplateContext.Provider>
+  )
+}
+
+export const useTemplateContext = () => {
+  const context = useContext(TemplateContext)
+  if (!context) {
+    throw new Error(
+      `useTemplateContext must be used within a TemplateProvider`
+    )
+  }
+  return context
+}