Add exportFileBinary to FlipperLib

Reviewed By: antonk52

Differential Revision: D39692937

fbshipit-source-id: 7b3c78d004a9734cd8ae660d5782be1f02c00009

desktop/app/src/electron/initializeElectron.tsx

@@ -151,6 +151,18 @@ export async function initializeElectron(
       await fs.promises.writeFile(filePath, data, {encoding});
       return filePath;
     },
+    async exportFileBinary(data, {defaultPath} = {}) {
+      const {filePath} = await electronIpcClient.send('showSaveDialog', {
+        defaultPath,
+      });
+
+      if (!filePath) {
+        return;
+      }
+
+      await fs.promises.writeFile(filePath, data, {encoding: 'binary'});
+      return filePath;
+    },
     openLink(url: string) {
       shell.openExternal(url);
     },

desktop/flipper-frontend-core/src/RenderHost.tsx

@@ -126,6 +126,7 @@ export interface RenderHost {
   showSelectDirectoryDialog?(defaultPath?: string): Promise<string | undefined>;
   importFile: FlipperLib['importFile'];
   exportFile: FlipperLib['exportFile'];
+  exportFileBinary: FlipperLib['exportFileBinary'];
   hasFocus(): boolean;
   onIpcEvent<Event extends keyof MainProcessEvents>(
     event: Event,

desktop/flipper-frontend-core/src/flipperLibImplementation/index.tsx

@@ -36,6 +36,7 @@ export function baseFlipperLibImplementation(
     openLink: renderHost.openLink,
     importFile: renderHost.importFile,
     exportFile: renderHost.exportFile,
+    exportFileBinary: renderHost.exportFileBinary,
     paths: {
       appPath: renderHost.serverConfig.paths.appPath,
       homePath: renderHost.serverConfig.paths.homePath,

desktop/flipper-plugin-core/src/plugin/FlipperLib.tsx

@@ -172,6 +172,25 @@ export interface FlipperLib {
       encoding?: FileEncoding;
     },
   ): Promise<string | undefined>;
+  /**
+   * @returns
+   * An exported file path (if available) or a file name.
+   * If user cancelled a file selection - undefined.
+   */
+  exportFileBinary(
+    /**
+     * New file data
+     */
+    data: Uint8Array,
+    options?: {
+      /**
+       * A file path suggestion for a new file.
+       * A dialog to save file will use it as a starting point.
+       * Either a complete path to the newly created file, a path to a directory containing the file, or the file name.
+       */
+      defaultPath?: string;
+    },
+  ): Promise<string | undefined>;
   paths: {
     appPath: string;
     homePath: string;

desktop/flipper-plugin-core/src/test-utils/test-utils.tsx

@@ -60,6 +60,7 @@ export function createMockFlipperLib(options?: StartPluginOptions): FlipperLib {
     openLink: createStubFunction(),
     showNotification: createStubFunction(),
     exportFile: createStubFunction(),
+    exportFileBinary: createStubFunction(),
     importFile: createStubFunction(),
     paths: {
       appPath: process.cwd(),

desktop/flipper-server-companion/src/initializeRenderHost.tsx

@@ -28,6 +28,9 @@ export function initializeRenderHost(
     async exportFile() {
       throw new Error('Not implemented');
     },
+    async exportFileBinary() {
+      throw new Error('Not implemented');
+    },
     openLink(url: string) {
       throw new Error('Not implemented');
     },

desktop/flipper-ui-browser/src/initializeRenderHost.tsx

@@ -48,6 +48,9 @@ export function initializeRenderHost(
     async exportFile() {
       throw new Error('Not implemented');
     },
+    async exportFileBinary() {
+      throw new Error('Not implemented');
+    },
     openLink(url: string) {
       window.open(url, '_blank');
     },

desktop/scripts/jest-setup-after.tsx

@@ -170,6 +170,9 @@ function createStubRenderHost(): RenderHost {
     async exportFile() {
       return undefined;
     },
+    async exportFileBinary() {
+      return undefined;
+    },
     hasFocus() {
       return true;
     },