chore: rename 'registerCommand' to 'extendCli'

Author: ulivz

packages/@vuepress/core/lib/plugin-api/constants.js

@@ -20,7 +20,7 @@ const PLUGIN_OPTION_META_MAP = {
   GLOBAL_UI_COMPONENTS: { name: 'globalUIComponents', types: [String, Array] },
   DEFINE: { name: 'define', types: [Function, Object] },
   ALIAS: { name: 'alias', types: [Function, Object] },
-  REGISTER_COMMAND: { name: 'registerCommand', types: [Function] }
+  EXTEND_CLI: { name: 'extendCli', types: [Function] }
 }
 
 const PLUGIN_OPTION_MAP = {}

packages/@vuepress/core/lib/plugin-api/index.js

@@ -207,7 +207,7 @@ module.exports = class PluginAPI {
     globalUIComponents,
     define,
     alias,
-    registerCommand
+    extendCli
   }) {
     const isInternalPlugin = pluginName.startsWith('@vuepress/internal-')
     logger[isInternalPlugin ? 'debug' : 'tip'](pluginLog(pluginName, shortcut))
@@ -230,7 +230,7 @@ module.exports = class PluginAPI {
       .registerOption(PLUGIN_OPTION_MAP.GLOBAL_UI_COMPONENTS.key, globalUIComponents, pluginName)
       .registerOption(PLUGIN_OPTION_MAP.DEFINE.key, define, pluginName)
       .registerOption(PLUGIN_OPTION_MAP.ALIAS.key, alias, pluginName)
-      .registerOption(PLUGIN_OPTION_MAP.REGISTER_COMMAND.key, registerCommand, pluginName)
+      .registerOption(PLUGIN_OPTION_MAP.EXTEND_CLI.key, extendCli, pluginName)
   }
 }
 

packages/vuepress/lib/handleUnknownCommand.js

@@ -39,7 +39,7 @@ module.exports = async function (cli, options) {
 
     if (sourceDir) {
       context = await prepare(sourceDir, options)
-      context.pluginAPI.options.registerCommand.apply(cli)
+      context.pluginAPI.options.extendCli.apply(cli)
     }
 
     logger.setOptions({ logLevel: 3 })
@@ -107,7 +107,7 @@ function registerUnknownCommands (cli, options) {
           ...options,
           ...commandoptions
         }, false /* isProd */)
-        await context.pluginAPI.options.registerCommand.apply(subCli)
+        await context.pluginAPI.options.extendCli.apply(subCli)
       },
       async afterParse (subCli) {
         if (!subCli.matchedCommand) {