Upgrade during interactive mode by default.

README.md

@@ -99,7 +99,8 @@ Options
     -f, --filter             include only package names matching the given string,
                              comma-or-space-delimited list, or /regex/
     -g, --global             check global packages instead of in the current project
-    -i, --interactive        Enable interactive prompts for each dependency
+    -i, --interactive        Enable interactive prompts for each dependency;
+                             Implies -u unless one of the json options are set
     -j, --jsonAll            output new package file instead of human-readable
                              message
     --jsonDeps               Will return output like `jsonAll` but only lists

bin/ncu

@@ -27,7 +27,7 @@ program
     .option('-f, --filter <matches>', 'include only package names matching the given string, comma-or-space-delimited list, or /regex/')
     .option('-g, --global', 'check global packages instead of in the current project')
     // program.json is set to true in programInit if any options that begin with 'json' are true
-    .option('-i, --interactive', 'Enable interactive prompts for each dependency')
+    .option('-i, --interactive', 'Enable interactive prompts for each dependency; implies -u unless one of the json options are set')
     .option('-j, --jsonAll', 'output new package file instead of human-readable message')
     .option('--jsonDeps', 'Will return output like `jsonAll` but only lists `dependencies`, `devDependencies`, and `optionalDependencies` of the new package data.')
     .option('--jsonUpgraded', 'output upgraded dependencies in json')

lib/npm-check-updates.js

@@ -295,6 +295,11 @@ function printUpgrades(options, {current, upgraded, numUpgraded, total}) {
 /** Initializes and consolidates options from the cli. */
 function initOptions(options) {
 
+    const json = _(options)
+        .keys()
+        .filter(_.partial(_.startsWith, _, 'json', 0))
+        .some(_.propertyOf(options));
+
     return Object.assign({}, options, {
         filter: options.args.join(' ') || options.filter,
         // convert silent option to loglevel silent
@@ -303,10 +308,9 @@ function initOptions(options) {
         // default to 0, except when newest or greatest are set
         pre: options.pre ? Boolean(Number(options.pre)) : options.newest || options.greatest,
         // add shortcut for any keys that start with 'json'
-        json: _(options)
-            .keys()
-            .filter(_.partial(_.startsWith, _, 'json', 0))
-            .some(_.propertyOf(options))
+        json,
+        // imply upgrade in interactive mode when json is not specified as the output
+        upgrade: options.interactive && options.upgrade === undefined ? !json : options.upgrade
     });
 }