fix: electron-updater throws "Cannot find namespace 'debug'" on TypeScript compile

Close #1405

Author: develar

packages/electron-builder-http/src/httpExecutor.ts

@@ -10,6 +10,8 @@ import { parse as parseUrl } from "url"
 import { CancellationToken } from "./CancellationToken"
 import { ProgressCallbackTransform, ProgressInfo } from "./ProgressCallbackTransform"
 
+const debug = _debug("electron-builder")
+
 export interface RequestHeaders {
   [key: string]: any
 }
@@ -64,8 +66,7 @@ export class HttpError extends Error {
 
 export abstract class HttpExecutor<REQUEST_OPTS, REQUEST> {
   protected readonly maxRedirects = 10
-  protected readonly debug = _debug("electron-builder")
-
+  
   request<T>(options: RequestOptions, cancellationToken: CancellationToken, data?: { [name: string]: any; } | null): Promise<T> {
     configureRequestOptions(options)
     const encodedData = data == null ? undefined : new Buffer(JSON.stringify(data))
@@ -82,8 +83,8 @@ export abstract class HttpExecutor<REQUEST_OPTS, REQUEST> {
   abstract download(url: string, destination: string, options: DownloadOptions): Promise<string>
 
   protected handleResponse(response: Response, options: RequestOptions, cancellationToken: CancellationToken, resolve: (data?: any) => void, reject: (error: Error) => void, redirectCount: number, requestProcessor: (request: REQUEST, reject: (error: Error) => void) => void) {
-    if (this.debug.enabled) {
-      this.debug(`Response status: ${response.statusCode} ${response.statusMessage}, request options: ${dumpRequestOptions(options)}`)
+    if (debug.enabled) {
+      debug(`Response status: ${response.statusCode} ${response.statusMessage}, request options: ${dumpRequestOptions(options)}`)
     }
 
     // we handle any other >= 400 error on request end (read detailed message in the response body)

packages/electron-builder-util/src/nodeHttpExecutor.ts

@@ -1,3 +1,4 @@
+import _debug from "debug"
 import { configureRequestOptions, DownloadOptions, HttpExecutor } from "electron-builder-http"
 import { CancellationToken } from "electron-builder-http/out/CancellationToken"
 import { ensureDir, readFile } from "fs-extra-p"
@@ -9,6 +10,8 @@ import { homedir } from "os"
 import * as path from "path"
 import { parse as parseUrl } from "url"
 
+const debug = _debug("electron-builder")
+
 export class NodeHttpExecutor extends HttpExecutor<RequestOptions, ClientRequest> {
   private httpsAgentPromise: Promise<Agent> | null
 
@@ -41,8 +44,8 @@ export class NodeHttpExecutor extends HttpExecutor<RequestOptions, ClientRequest
   }
 
   doApiRequest<T>(options: RequestOptions, cancellationToken: CancellationToken, requestProcessor: (request: ClientRequest, reject: (error: Error) => void) => void, redirectCount: number = 0): Promise<T> {
-    if (this.debug.enabled) {
-      this.debug(`HTTPS request: ${JSON.stringify(options, null, 2)}`)
+    if (debug.enabled) {
+      debug(`HTTPS request: ${JSON.stringify(options, null, 2)}`)
     }
 
     return cancellationToken.createPromise((resolve, reject, onCancel) => {

packages/electron-updater/src/electronHttpExecutor.ts

@@ -1,3 +1,4 @@
+import _debug from "debug"
 import { net, session } from "electron"
 import { configureRequestOptions, DownloadOptions, dumpRequestOptions, HttpExecutor } from "electron-builder-http"
 import { CancellationToken } from "electron-builder-http/out/CancellationToken"
@@ -7,6 +8,8 @@ import { parse as parseUrl } from "url"
 
 export const NET_SESSION_NAME = "electron-updater"
 
+const debug = _debug("electron-builder")
+
 export class ElectronHttpExecutor extends HttpExecutor<Electron.RequestOptions, Electron.ClientRequest> {
   async download(url: string, destination: string, options: DownloadOptions): Promise<string> {
     if (options == null || !options.skipDirCreation) {
@@ -34,8 +37,8 @@ export class ElectronHttpExecutor extends HttpExecutor<Electron.RequestOptions,
   }
 
   doApiRequest<T>(options: Electron.RequestOptions, cancellationToken: CancellationToken, requestProcessor: (request: Electron.ClientRequest, reject: (error: Error) => void) => void, redirectCount: number = 0): Promise<T> {
-    if (this.debug.enabled) {
-      this.debug(`request: ${dumpRequestOptions(options)}`)
+    if (debug.enabled) {
+      debug(`request: ${dumpRequestOptions(options)}`)
     }
 
     return cancellationToken.createPromise<T>((resolve, reject, onCancel) => {