fix(@schematics/angular): if no property set on cli config dont migrate it

hansl · hansl · commit 1d3356e4b61f · 2018-04-30T10:16:31.000-07:00
diff --git a/packages/schematics/angular/migrations/update-6/index.ts b/packages/schematics/angular/migrations/update-6/index.ts
@@ -106,7 +106,7 @@ function extractCliConfig(config: CliConfig): JsonObject | null {
     newConfig['packageManager'] = config.packageManager;
   }
 
-  return newConfig;
+  return Object.getOwnPropertyNames(newConfig).length == 0 ? null : newConfig;
 }
 
 function extractSchematicsConfig(config: CliConfig): JsonObject | null {

Original file line number	Diff line number	Diff line change
`@@ -106,7 +106,7 @@ function extractCliConfig(config: CliConfig): JsonObject \| null {`
`106`	`106`	`newConfig['packageManager'] = config.packageManager;`
`107`	`107`	`}`
`108`	`108`
`109`		`- return newConfig;`
	`109`	`+ return Object.getOwnPropertyNames(newConfig).length == 0 ? null : newConfig;`
`110`	`110`	`}`
`111`	`111`
`112`	`112`	`function extractSchematicsConfig(config: CliConfig): JsonObject \| null {`