always show global flags

fixes #34

packages/cli/package.json

@@ -65,9 +65,6 @@
     "bin": "preevy",
     "dirname": "preevy",
     "commands": "./dist/commands",
-    "plugins": [
-      "@oclif/plugin-help"
-    ],
     "helpClass": "./dist/help",
     "hooks": {
       "init": [

packages/cli/src/commands/help.ts

@@ -0,0 +1,25 @@
+import { Args, Command, Flags } from '@oclif/core'
+import Help from '../help'
+
+export default class HelpCommand extends Command {
+  static args = {
+    commands: Args.string({description: 'Command to show help for.', required: false}),
+  }
+
+  static description = 'Display help for <%= config.bin %>.'
+
+  static flags = {
+    'nested-commands': Flags.boolean({
+      char: 'n',
+      description: 'Include all nested commands in the output.',
+    }),
+  }
+
+  static strict = false
+
+  async run(): Promise<void> {
+    const { argv, flags } = await this.parse(HelpCommand)
+    const help = new Help(this.config, { all: flags['nested-commands'] })
+    await help.showHelp(argv as string[])
+  }
+}

packages/cli/src/help.ts

@@ -1,11 +1,47 @@
-import { Help as HelpBase } from '@oclif/core'
-import { text } from '@preevy/cli-common'
+import { CommandHelp as BaseCommandHelp, Help as OclifHelp } from '@oclif/core'
+import { HelpOptions, Config, Topic } from '@oclif/core/lib/interfaces'
+import { BaseCommand, text } from '@preevy/cli-common'
+
+class GlobalFlagsHelp extends BaseCommandHelp {
+  constructor(config: Config, opts: HelpOptions) {
+    super(BaseCommand, config, opts)
+  }
+
+  globalFlags() {
+    const flags = Object.entries(BaseCommand.baseFlags).map(([name, value]) => ({ ...value, name }))
+    return this.flags(flags)
+  }
+}
+
+class CommandHelp extends BaseCommandHelp {
+  constructor(...args: ConstructorParameters<typeof BaseCommandHelp>) {
+    super(...args)
+  }
+}
+
+export default class Help extends OclifHelp {
+  constructor(...args: ConstructorParameters<typeof OclifHelp>) {
+    super(...args)
+    this.CommandHelpClass = CommandHelp
+  }
+
+  protected formatGlobalFlags(): string {
+    return this.section('GLOBAL FLAGS', new GlobalFlagsHelp(this.config, this.opts).globalFlags())
+  }
 
-export default class Help extends HelpBase {
   override async showRootHelp(): Promise<void> {
+    process.stderr.write('showRootHelp\n')
     if (!this.opts.stripAnsi) {
       this.log(text.logo)
     }
-    return await super.showRootHelp()
+    await super.showRootHelp()
+    this.log(this.formatGlobalFlags())
+    this.log('')
+  }
+
+  override async showTopicHelp(topic: Topic): Promise<void> {
+    await super.showTopicHelp(topic)
+    this.log(this.formatGlobalFlags())
+    this.log('')
   }
 }