Remove Bluebird

Changelog-entry: Remove Bluebird
Change-type: patch

lib/gui/app/app.ts

@@ -43,10 +43,8 @@ window.addEventListener(
 	'unhandledrejection',
 	(event: PromiseRejectionEvent | any) => {
 		// Promise: event.reason
-		// Bluebird: event.detail.reason
 		// Anything else: event
-		const error =
-			event.reason || (event.detail && event.detail.reason) || event;
+		const error = event.reason || event;
 		analytics.logException(error);
 		event.preventDefault();
 	},

lib/gui/app/os/windows-network-drives.ts

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-import { using } from 'bluebird';
 import { exec } from 'child_process';
 import { readFile } from 'fs';
 import { chain, trim } from 'lodash';
@@ -23,7 +22,7 @@ import { join } from 'path';
 import { env } from 'process';
 import { promisify } from 'util';
 
-import { tmpFileDisposer } from '../../../shared/tmp';
+import { withTmpFile } from '../../../shared/tmp';
 
 const readFileAsync = promisify(readFile);
 
@@ -47,7 +46,7 @@ export async function getWmicNetworkDrivesOutput(): Promise<string> {
 		// Wmic fails with "Invalid global switch" when the "/output:" switch filename contains a dash ("-")
 		prefix: 'tmp',
 	};
-	return using(tmpFileDisposer(options), async ({ path }) => {
+	return withTmpFile(options, async (path) => {
 		const command = [
 			join(env.SystemRoot as string, 'System32', 'Wbem', 'wmic'),
 			'path',

lib/shared/permissions.ts

@@ -14,7 +14,6 @@
  * limitations under the License.
  */
 
-import * as Bluebird from 'bluebird';
 import * as childProcess from 'child_process';
 import { promises as fs } from 'fs';
 import * as _ from 'lodash';
@@ -25,14 +24,29 @@ import { promisify } from 'util';
 
 import { sudo as catalinaSudo } from './catalina-sudo/sudo';
 import * as errors from './errors';
-import { tmpFileDisposer } from './tmp';
+import { withTmpFile } from './tmp';
 
 const execAsync = promisify(childProcess.exec);
 const execFileAsync = promisify(childProcess.execFile);
-// sudo-prompt's exec callback is function(error, stdout, stderr) so we need multiArgs
-const sudoExecAsync = Bluebird.promisify(sudoPrompt.exec, {
-	multiArgs: true,
-}) as (cmd: string, options: any) => Bluebird<[string, string]>;
+
+function sudoExecAsync(
+	cmd: string,
+	options: { name: string },
+): Promise<{ stdout: string; stderr: string }> {
+	return new Promise((resolve, reject) => {
+		sudoPrompt.exec(
+			cmd,
+			options,
+			(error: Error | null, stdout: string, stderr: string) => {
+				if (error != null) {
+					reject(error);
+				} else {
+					resolve({ stdout, stderr });
+				}
+			},
+		);
+	});
+}
 
 /**
  * @summary The user id of the UNIX "superuser"
@@ -161,12 +175,12 @@ export async function elevateCommand(
 		command.slice(1),
 		options.environment,
 	);
-	return Bluebird.using(
-		tmpFileDisposer({
+	return await withTmpFile(
+		{
 			prefix: 'balena-etcher-electron-',
 			postfix: '.cmd',
-		}),
-		async ({ path }) => {
+		},
+		async (path) => {
 			await fs.writeFile(path, launchScript);
 			if (isWindows) {
 				return elevateScriptWindows(path);

lib/shared/tmp.ts

@@ -1,4 +1,3 @@
-import * as Bluebird from 'bluebird';
 import * as tmp from 'tmp';
 
 function tmpFileAsync(
@@ -15,10 +14,14 @@ function tmpFileAsync(
 	});
 }
 
-export function tmpFileDisposer(
+export async function withTmpFile<T>(
 	options: tmp.FileOptions,
-): Bluebird.Disposer<{ path: string; cleanup: () => void }> {
-	return Bluebird.resolve(tmpFileAsync(options)).disposer(({ cleanup }) => {
+	fn: (path: string) => Promise<T>,
+): Promise<T> {
+	const { path, cleanup } = await tmpFileAsync(options);
+	try {
+		return await fn(path);
+	} finally {
 		cleanup();
-	});
+	}
 }

npm-shrinkwrap.json

@@ -11085,9 +11085,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+      "version": "4.17.19",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.19.tgz",
+      "integrity": "sha512-JNvd8XER9GQX0v2qJgsaN/mzFCNA5BRe/j8JN9d+tWyGLSodKQHKFicdwNYzWwI3wjRnaKPsGj1XkBjx/F96DQ==",
       "dev": true
     },
     "lodash-deep": {

package.json

@@ -64,7 +64,6 @@
     "@types/terser-webpack-plugin": "^3.0.0",
     "@types/tmp": "^0.2.0",
     "@types/webpack-node-externals": "^1.7.0",
-    "bluebird": "^3.7.2",
     "chai": "^4.2.0",
     "copy-webpack-plugin": "^6.0.1",
     "css-loader": "^3.5.3",