fix(serve): pass through proxyConfig to dev-server (#3457)

Author: Gleb Mikheev

packages/@ionic/ng-toolkit/src/cordova-serve/index.ts

@@ -15,8 +15,8 @@ export class CordovaServeBuilder implements Builder<CordovaServeBuilderSchema> {
 
   run(builderConfig: BuilderConfiguration<CordovaServeBuilderSchema>): Observable<BuildEvent> {
     const [ project, target, configuration ] = builderConfig.options.devServerTarget.split(':');
-    const { port, host } = builderConfig.options;
-    const devServerTargetSpec = { project, target, configuration, overrides: { port, host } };
+    const { port, host, proxyConfig } = builderConfig.options;
+    const devServerTargetSpec = { project, target, configuration, overrides: { port, host, proxyConfig } };
     const devServerBuilderConfig = this.context.architect.getBuilderConfiguration</* DevServerBuilderSchema */any>(devServerTargetSpec);
 
     // TODO: architect doesn't use the defaults from schema

packages/@ionic/ng-toolkit/src/cordova-serve/schema.d.ts

@@ -4,5 +4,6 @@ export interface CordovaServeBuilderSchema {
   platform: string;
   port?: number;
   host?: string;
+  proxyConfig?: string;
   cordovaBasePath?: string;
 }

packages/@ionic/ng-toolkit/src/cordova-serve/schema.json

@@ -15,6 +15,10 @@
       "type": "string",
       "description": "Cordova platform to use during serve."
     },
+    "proxyConfig": {
+      "type": "string",
+      "description": "Proxy configuration file."
+    },
     "port": {
       "type": "number",
       "description": "Port to listen on.",