feat(@angular/cli): add support for custom npmrc paths

Adam Vigneaux · vikerman · commit 87b01ffd6aad · 2019-08-29T23:47:22.000+05:30
According to [the npm config docs](https://docs.npmjs.com/misc/config#npmrc-files), a user can specify the path to their `npmrc` files using the environment variables `NPM_CONFIG_USERCONFIG` and `NPM_CONFIG_GLOBALCONFIG`. When set, these variables should override the default paths.
diff --git a/packages/angular/cli/utilities/package-metadata.ts b/packages/angular/cli/utilities/package-metadata.ts
@@ -91,8 +91,8 @@ function readOptions(
   }
 
   const defaultConfigLocations = [
-    path.join(globalPrefix, 'etc', baseFilename),
-    path.join(homedir(), dotFilename),
+    (!yarn && process.env.NPM_CONFIG_GLOBALCONFIG) || path.join(globalPrefix, 'etc', baseFilename),
+    (!yarn && process.env.NPM_CONFIG_USERCONFIG) || path.join(homedir(), dotFilename),
   ];
 
   const projectConfigLocations: string[] = [

Original file line number	Diff line number	Diff line change
`@@ -91,8 +91,8 @@ function readOptions(`
`91`	`91`	`}`
`92`	`92`
`93`	`93`	`const defaultConfigLocations = [`
`94`		`- path.join(globalPrefix, 'etc', baseFilename),`
`95`		`- path.join(homedir(), dotFilename),`
	`94`	`+ (!yarn && process.env.NPM_CONFIG_GLOBALCONFIG) \|\| path.join(globalPrefix, 'etc', baseFilename),`
	`95`	`+ (!yarn && process.env.NPM_CONFIG_USERCONFIG) \|\| path.join(homedir(), dotFilename),`
`96`	`96`	`];`
`97`	`97`
`98`	`98`	`const projectConfigLocations: string[] = [`