#!/usr/bin/env node

const fs = require('fs')

const esbuild = require('esbuild')

const pathLib = require('path')

const { findWorkspacePackagesNoCheck } = require('@pnpm/find-workspace-packages')

const { findWorkspaceDir } = require('@pnpm/find-workspace-dir')

const pnpmPackageJson = JSON.parse(fs.readFileSync(pathLib.join(__dirname, 'package.json'), 'utf8'))

;(async () => {

const workspaceDir = await findWorkspaceDir(__dirname)

const pkgs = await findWorkspacePackagesNoCheck(workspaceDir)

const localPackages = pkgs.map(pkg => pkg.manifest.name)

const dirByPackageName = pkgs.reduce((acc, pkg) => {

acc[pkg.manifest.name] = pkg.dir

return acc

})

// This plugin rewrites imports to reference the `src` dir instead of `lib` so

// esbuild can compile the original TypeScript

const spnpmImportsPlugin = {

name: 'spnpmImports',

setup: (build) => {

// E.g. @pnpm/config -> /<some_dir>/pnpm/packages/config/src/index.ts

build.onResolve({ filter: /@pnpm\// }, ({ path, resolveDir }) => {

// Bail if the package isn't present locally

if (!localPackages.includes(path)) {

return

}

const newPath = pathLib.resolve(dirByPackageName[path], 'src', 'index.ts')

return {

path: newPath

}

})

}

}

await esbuild.build({

bundle: true,

platform: 'node',

target: 'node14',

entryPoints: [pathLib.resolve(__dirname, '../lib/pnpm.js')],

outfile: pathLib.resolve(__dirname, 'dist/pnpm.cjs'),

external: [

'node-gyp',

'./get-uid-gid.js', // traces back to: https://github.com/npm/uid-number/blob/6e9bdb302ae4799d05abf12e922ccdb4bd9ea023/uid-number.js#L31

],

define: {

'process.env.npm_package_name': JSON.stringify(pnpmPackageJson.name),

'process.env.npm_package_version': JSON.stringify(pnpmPackageJson.version),

},

sourcemap: true, // nice for local debugging

logLevel: 'warning', // keeps esbuild quiet unless there's a problem

plugins: [spnpmImportsPlugin],

})

// Require the file just built by esbuild

require('./dist/pnpm.cjs')

})()