fix(@angular-devkit/build-angular): prevent double sourcemap processing

clydin · vikerman · commit 10db87871946 · 2019-12-17T11:18:28.000-08:00
diff --git a/packages/angular_devkit/build_angular/src/angular-cli-files/models/build-options.ts b/packages/angular_devkit/build_angular/src/angular-cli-files/models/build-options.ts
@@ -96,4 +96,5 @@ export interface WebpackConfigOptions<T = BuildOptions> {
   tsConfig: ParsedConfiguration;
   tsConfigPath: string;
   supportES2015: boolean;
+  differentialLoadingMode?: boolean;
 }
diff --git a/packages/angular_devkit/build_angular/src/angular-cli-files/models/webpack-configs/browser.ts b/packages/angular_devkit/build_angular/src/angular-cli-files/models/webpack-configs/browser.ts
@@ -55,7 +55,7 @@ export function getBrowserConfig(wco: WebpackConfigOptions): webpack.Configurati
     extraPlugins.push(getSourceMapDevTool(
       !!scriptsSourceMap,
       !!stylesSourceMap,
-      hiddenSourceMap,
+      wco.differentialLoadingMode ? true : hiddenSourceMap,
     ));
   }
 
diff --git a/packages/angular_devkit/build_angular/src/utils/webpack-browser-config.ts b/packages/angular_devkit/build_angular/src/utils/webpack-browser-config.ts
@@ -107,6 +107,7 @@ export async function generateWebpackConfig(
       tsConfig,
       tsConfigPath,
       supportES2015,
+      differentialLoadingMode: differentialLoading && !fullDifferential,
     };
 
     wco.buildOptions.progress = defaultProgress(wco.buildOptions.progress);

Original file line number	Diff line number	Diff line change
`@@ -96,4 +96,5 @@ export interface WebpackConfigOptions<T = BuildOptions> {`
`96`	`96`	`tsConfig: ParsedConfiguration;`
`97`	`97`	`tsConfigPath: string;`
`98`	`98`	`supportES2015: boolean;`
	`99`	`+ differentialLoadingMode?: boolean;`
`99`	`100`	`}`
Original file line number	Diff line number	Diff line change
`@@ -55,7 +55,7 @@ export function getBrowserConfig(wco: WebpackConfigOptions): webpack.Configurati`
`55`	`55`	`extraPlugins.push(getSourceMapDevTool(`
`56`	`56`	`!!scriptsSourceMap,`
`57`	`57`	`!!stylesSourceMap,`
`58`		`- hiddenSourceMap,`
	`58`	`+ wco.differentialLoadingMode ? true : hiddenSourceMap,`
`59`	`59`	`));`
`60`	`60`	`}`
`61`	`61`