fix(@angular/cli): pass sourceMap to postcss

Manduro · hansl · commit c636daf6c2b5 · 2017-11-22T14:02:11.000-08:00
This is required per https://github.com/postcss/postcss-loader#sourcemap Closes #8588
diff --git a/packages/@angular/cli/models/webpack-configs/styles.ts b/packages/@angular/cli/models/webpack-configs/styles.ts
@@ -177,7 +177,8 @@ export function getStylesConfig(wco: WebpackConfigOptions) {
       options: {
         // A non-function property is required to workaround a webpack option handling bug
         ident: 'postcss',
-        plugins: postcssPluginCreator
+        plugins: postcssPluginCreator,
+        sourceMap: cssSourceMap
       }
     }
   ];

Original file line number	Diff line number	Diff line change
`@@ -177,7 +177,8 @@ export function getStylesConfig(wco: WebpackConfigOptions) {`
`177`	`177`	`options: {`
`178`	`178`	`// A non-function property is required to workaround a webpack option handling bug`
`179`	`179`	`ident: 'postcss',`
`180`		`- plugins: postcssPluginCreator`
	`180`	`+ plugins: postcssPluginCreator,`
	`181`	`+ sourceMap: cssSourceMap`
`181`	`182`	`}`
`182`	`183`	`}`
`183`	`184`	`];`