feat: add package-manager detector logic

bin/gx.mjs

@@ -0,0 +1,5 @@
+#!/usr/bin/env node
+
+'use strict'
+
+import '../dist/main.mjs'

build.config.ts

@@ -2,7 +2,7 @@ import { defineBuildConfig } from 'unbuild'
 import { resolve } from 'path'
 
 export default defineBuildConfig({
-  entries: ['bin/gx'],
+  entries: ['src/main'],
   declaration: true,
   clean: true,
   rollup: {
@@ -19,4 +19,4 @@ export default defineBuildConfig({
   alias: {
     '@': resolve(__dirname, 'src')
   }
-})
+})

package.json

@@ -13,21 +13,21 @@
     "url": "git+https://github.com/antfu/pkg-placeholder.git"
   },
   "bin": {
-    "gx": "dist/bin/gx.cjs"
+    "gx": "bin/gx.mjs"
   },
   "bugs": "https://github.com/antfu/pkg-placeholder/issues",
   "keywords": [],
   "sideEffects": false,
   "exports": {
     ".": {
-      "types": "./dist/bin/gx.d.ts",
-      "import": "./dist/bin/gx.mjs",
-      "require": "./dist/bin/gx.cjs"
+      "types": "./dist/main.d.ts",
+      "import": "./dist/main.mjs",
+      "require": "./dist/main.cjs"
     }
   },
-  "main": "./dist/bin/gx.mjs",
-  "module": "./dist/bin/gx.mjs",
-  "types": "./dist/bin/gx.d.ts",
+  "main": "./dist/main.cjs",
+  "module": "./dist/main.mjs",
+  "types": "./dist/main.d.ts",
   "typesVersions": {
     "*": {
       "*": [
@@ -75,11 +75,13 @@
     "*": "eslint . --fix"
   },
   "dependencies": {
+    "@neodx/fs": "^0.0.11",
     "@neodx/std": "^0.3.0",
     "@nestjs/common": "^10.3.3",
     "@nestjs/core": "^10.3.3",
     "@nestjs/platform-express": "^10.3.3",
     "eslint-kit": "^10.19.0",
+    "execa": "^8.0.1",
     "nest-commander": "^3.12.5"
   }
 }

src/app/app.module.ts

@@ -1,8 +1,9 @@
 import { Module } from '@nestjs/common'
 import { InitCommand } from '@/commands/init.command'
+import { PackageManagerModule } from '@/pkg-manager'
 
 @Module({
-  imports: [],
+  imports: [PackageManagerModule],
   providers: [InitCommand]
 })
 export class AppModule {}

src/commands/init.command.ts

@@ -1,5 +1,7 @@
 import type { AnyRecord } from '@neodx/std'
-import { Command, CommandRunner, Option } from 'nest-commander'
+import { Command, CommandRunner } from 'nest-commander'
+import type { AbstractPackageManager } from '@/pkg-manager'
+import { InjectPackageManager } from '@/pkg-manager'
 
 @Command({
   name: 'init',
@@ -9,18 +11,22 @@ import { Command, CommandRunner, Option } from 'nest-commander'
   description: ''
 })
 export class InitCommand extends CommandRunner {
+  constructor(
+    @InjectPackageManager() private readonly manager: AbstractPackageManager
+  ) {
+    super()
+  }
+
   public async run(param: string[], options: AnyRecord) {
     console.log({
       param,
-      options
+      options,
+      manager: this.manager
     })
-  }
 
-  @Option({
-    flags: '-n, --number [number]',
-    description: ''
-  })
-  public parseNumber(val: string): number {
-    return Number(val)
+    // console.log(this.manager.agent)
+    const workspaces = await this.manager.getWorkspaces()
+
+    console.log(workspaces)
   }
 }

bin/gx.ts → src/main.ts

@@ -1,7 +1,5 @@
-#!/usr/bin/env node
-
 import { CommandFactory } from 'nest-commander'
-import { AppModule } from '../src/app'
+import { AppModule } from './app'
 
 async function bootstrap() {
   await CommandFactory.run(AppModule, ['error', 'warn'])

src/pkg-manager/index.ts

@@ -0,0 +1,4 @@
+export { AbstractPackageManager } from './managers/abstract.pkg-manager'
+export { PACKAGE_MANAGER } from './pkg-manager.consts'
+export { InjectPackageManager } from './pkg-manager.decorator'
+export { PackageManagerModule } from './pkg-manager.module'

src/pkg-manager/managers/abstract.pkg-manager.ts

@@ -0,0 +1,18 @@
+import { execa as $ } from 'execa'
+import type { WorkspaceProject } from '@/pkg-manager/pkg-manager.types'
+
+export abstract class AbstractPackageManager {
+  constructor(private command: string) {}
+
+  public abstract getWorkspaces(): Promise<WorkspaceProject[]>
+
+  public async run(args: string[]) {
+    const output = await $(this.command, args)
+
+    return output.stdout
+  }
+
+  public get agent() {
+    return this.command
+  }
+}

src/pkg-manager/managers/bun.pkg-manager.ts

@@ -0,0 +1,50 @@
+import { scan } from '@neodx/fs'
+import { resolve } from 'node:path'
+import * as process from 'process'
+import { AbstractPackageManager } from '@/pkg-manager/managers/abstract.pkg-manager'
+import { PackageManager } from '@/pkg-manager/pkg-manager.consts'
+import type { WorkspaceProject } from '@/pkg-manager/pkg-manager.types'
+import type { PackageJson } from '@/shared/json'
+import { readJson } from '@/shared/json'
+
+// TODO: add yarn@berry support
+// TODO: split file structure to modules
+
+export class BunPackageManager extends AbstractPackageManager {
+  constructor() {
+    super(PackageManager.BUN)
+  }
+
+  public async getWorkspaces(): Promise<WorkspaceProject[]> {
+    const packageJson = await readJson('package.json')
+
+    if (!packageJson) return []
+
+    const rawWorkspaces = packageJson.workspaces
+
+    const workspaces = Array.isArray(rawWorkspaces)
+      ? rawWorkspaces
+      : rawWorkspaces!.packages
+
+    const projectPatterns = await scan(
+      process.cwd(),
+      workspaces.map((match) => resolve(match, 'package.json'))
+    )
+
+    const bunWorkspaces = await Promise.all(
+      projectPatterns.map(async (pattern) => {
+        const scopedPkgJson = (await readJson(pattern)) as PackageJson
+
+        const workspaceName = scopedPkgJson.name ?? null
+        const workspaceDir = resolve(pattern, '..')
+
+        return {
+          name: workspaceName,
+          location: workspaceDir
+        }
+      })
+    )
+
+    return bunWorkspaces
+  }
+}