Add —non-interactive flag for automated processes (#2770)

* Add —non-interactive flag for automated processes

* Remove duplicate value

src/cli/index.js

@@ -89,6 +89,7 @@ commander.option(
   'disable progress bar',
 );
 commander.option('--network-concurrency <number>', 'maximum number of concurrent network requests', parseInt);
+commander.option('--non-interactive', 'do not show interactive prompts');
 
 // get command name
 let commandName: ?string = args.shift() || '';
@@ -373,6 +374,7 @@ config.init({
   httpProxy: commander.proxy,
   httpsProxy: commander.httpsProxy,
   networkConcurrency: commander.networkConcurrency,
+  nonInteractive: commander.nonInteractive,
   commandName,
 }).then(() => {
 

src/config.js

@@ -36,6 +36,7 @@ export type ConfigOptions = {
   production?: boolean,
   binLinks?: boolean,
   networkConcurrency?: number,
+  nonInteractive?: boolean,
 
   // Loosely compare semver for invalid cases like "0.01.0"
   looseSemver?: ?boolean,
@@ -123,6 +124,8 @@ export default class Config {
 
   production: boolean;
 
+  nonInteractive: boolean;
+
   //
   cwd: string;
 
@@ -270,6 +273,8 @@ export default class Config {
     this.ignorePlatform = !!opts.ignorePlatform;
     this.ignoreScripts = !!opts.ignoreScripts;
 
+    this.nonInteractive = !!opts.nonInteractive;
+
     this.requestManager.setOptions({
       offline: !!opts.offline && !opts.preferOffline,
       captureHar: !!opts.captureHar,

src/resolvers/registries/npm-resolver.js

@@ -43,7 +43,7 @@ export default class NpmResolver extends RegistryResolver {
     const satisfied = await config.resolveConstraints(Object.keys(body.versions), range);
     if (satisfied) {
       return body.versions[satisfied];
-    } else if (request) {
+    } else if (request && !config.nonInteractive) {
       if (request.resolver && request.resolver.activity) {
         request.resolver.activity.end();
       }