feat: added support arguments description (#2659)

packages/generators/src/index.ts

@@ -14,6 +14,9 @@ class GeneratorsCommand {
                 name: 'init [generation-path]',
                 alias: ['create', 'new', 'c', 'n'],
                 description: 'Initialize a new webpack project.',
+                argsDescription: {
+                    'generation-path': 'Path to the installation directory, e.g. ./projectName',
+                },
                 usage: '[generation-path] [options]',
                 pkg: '@webpack-cli/generators',
             },
@@ -54,6 +57,9 @@ class GeneratorsCommand {
                 name: 'loader [output-path]',
                 alias: 'l',
                 description: 'Scaffold a loader.',
+                argsDescription: {
+                    'output-path': 'Path to the output directory, e.g. ./loaderName',
+                },
                 usage: '[output-path] [options]',
                 pkg: '@webpack-cli/generators',
             },
@@ -82,6 +88,9 @@ class GeneratorsCommand {
                 name: 'plugin [output-path]',
                 alias: 'p',
                 description: 'Scaffold a plugin.',
+                argsDescription: {
+                    'output-path': 'Path to the output directory, e.g. ./pluginName',
+                },
                 usage: '[output-path] [options]',
                 pkg: '@webpack-cli/generators',
             },

packages/webpack-cli/lib/webpack-cli.js

@@ -38,7 +38,7 @@ class WebpackCLI {
         });
 
         if (commandOptions.description) {
-            command.description(commandOptions.description);
+            command.description(commandOptions.description, commandOptions.argsDescription);
         }
 
         if (commandOptions.usage) {

test/help/__snapshots__/help.test.js.snap.devServer3.webpack4

@@ -530,6 +530,9 @@ exports[`help should show help information for 'c' command using command syntax:
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default answers
@@ -554,6 +557,9 @@ exports[`help should show help information for 'c' command using the "--help" op
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default answers
@@ -660,6 +666,9 @@ exports[`help should show help information for 'create' command using command sy
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default answers
@@ -684,6 +693,9 @@ exports[`help should show help information for 'create' command using the "--hel
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default answers
@@ -850,6 +862,9 @@ exports[`help should show help information for 'init' and respect the "--color"
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default
@@ -876,6 +891,9 @@ exports[`help should show help information for 'init' and respect the "--no-colo
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default
@@ -902,6 +920,9 @@ exports[`help should show help information for 'init' command using command synt
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default answers
@@ -926,6 +947,9 @@ exports[`help should show help information for 'init' command using the "--help"
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default answers
@@ -950,6 +974,9 @@ exports[`help should show help information for 'l' command using command syntax:
 
 Scaffold a loader.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./loaderName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
 
@@ -973,6 +1000,9 @@ exports[`help should show help information for 'l' command using the "--help" op
 
 Scaffold a loader.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./loaderName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
 
@@ -996,6 +1026,9 @@ exports[`help should show help information for 'loader' and respect the "--color
 
 Scaffold a loader.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./loaderName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
 
@@ -1020,6 +1053,9 @@ exports[`help should show help information for 'loader' and respect the "--no-co
 
 Scaffold a loader.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./loaderName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
 
@@ -1044,6 +1080,9 @@ exports[`help should show help information for 'loader' command using command sy
 
 Scaffold a loader.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./loaderName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
 
@@ -1067,6 +1106,9 @@ exports[`help should show help information for 'loader' command using the "--hel
 
 Scaffold a loader.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./loaderName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
 
@@ -1212,6 +1254,9 @@ exports[`help should show help information for 'n' command using command syntax:
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default answers
@@ -1236,6 +1281,9 @@ exports[`help should show help information for 'n' command using the "--help" op
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default answers
@@ -1260,6 +1308,9 @@ exports[`help should show help information for 'new' command using command synta
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default answers
@@ -1284,6 +1335,9 @@ exports[`help should show help information for 'new' command using the "--help"
 
 Initialize a new webpack project.
 
+Arguments:
+  generation-path       Path to the installation directory, e.g. ./projectName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
   --force               Generate without questions (ideally) using default answers
@@ -1308,6 +1362,9 @@ exports[`help should show help information for 'p' command using command syntax:
 
 Scaffold a plugin.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./pluginName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
 
@@ -1331,6 +1388,9 @@ exports[`help should show help information for 'p' command using the "--help" op
 
 Scaffold a plugin.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./pluginName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
 
@@ -1354,6 +1414,9 @@ exports[`help should show help information for 'plugin' and respect the "--color
 
 Scaffold a plugin.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./pluginName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
 
@@ -1378,6 +1441,9 @@ exports[`help should show help information for 'plugin' and respect the "--no-co
 
 Scaffold a plugin.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./pluginName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
 
@@ -1402,6 +1468,9 @@ exports[`help should show help information for 'plugin' command using command sy
 
 Scaffold a plugin.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./pluginName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")
 
@@ -1425,6 +1494,9 @@ exports[`help should show help information for 'plugin' command using the "--hel
 
 Scaffold a plugin.
 
+Arguments:
+  output-path           Path to the output directory, e.g. ./pluginName
+
 Options:
   --template <value>    Type of template (default: \\"default\\")