Add share intent

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

src/types/index.ts

@@ -1,5 +1,11 @@
 export { type Dimensions } from './dimensions';
-export { ROUTE, type RootStackParamList } from './route';
+export {
+  ROUTE,
+  type RootStackParamList,
+  documentPickerResponseToAddMemeFile,
+  sharedItemToAddMemeFile,
+} from './route';
+export { type SharedItem } from './share';
 export {
   MEME_SORT,
   memesSortQuery,

src/types/route.ts

@@ -1,4 +1,6 @@
 import { DocumentPickerResponse } from 'react-native-document-picker';
+import { getFilenameFromUri, guessMimeType } from '../utilities';
+import { SharedItem } from './share';
 
 enum ROUTE {
   MAIN = 'Main',
@@ -17,8 +19,48 @@ interface MemeViewRouteParams {
   index: number;
 }
 
+interface AddMemeFile {
+  uri: string;
+  filename: string;
+  type?: string;
+}
+
+const documentPickerResponseToAddMemeFile = (
+  response: DocumentPickerResponse[],
+): AddMemeFile[] => {
+  return response.map(item => {
+    const { uri, name, type } = item;
+
+    return {
+      uri,
+      filename: name ?? getFilenameFromUri(uri),
+      type: type ?? guessMimeType(uri),
+    };
+  });
+};
+
+const sharedItemToAddMemeFile = (item: SharedItem): AddMemeFile[] => {
+  const { data, mimeType } = item;
+
+  if (typeof data === 'string') {
+    return [
+      {
+        uri: data,
+        filename: getFilenameFromUri(data),
+        type: mimeType,
+      },
+    ];
+  }
+
+  return data.map(uri => ({
+    uri,
+    filename: getFilenameFromUri(uri),
+    type: guessMimeType(uri),
+  }));
+};
+
 interface AddMemeRouteParams {
-  files: DocumentPickerResponse[];
+  files: AddMemeFile[];
 }
 
 interface EditMemeRouteParams {
@@ -44,4 +86,9 @@ interface RootStackParamList {
   [ROUTE.EDIT_TAG]: EditTagRouteParams;
 }
 
-export { ROUTE, type RootStackParamList };
+export {
+  ROUTE,
+  type RootStackParamList,
+  documentPickerResponseToAddMemeFile,
+  sharedItemToAddMemeFile,
+};

src/types/share.ts

@@ -0,0 +1,7 @@
+interface SharedItem {
+  data: string | string[];
+  mimeType: string;
+  extraData?: object;
+}
+
+export { type SharedItem };