tsconfig-references.js

#!/usr/bin/env node

// @ts-check
/* eslint-disable */

const fs = require('fs')
const util = require('util')
const exec = util.promisify(require('child_process').exec)
const path = require('path')
const isCI = require('is-ci')

const config = JSON.parse(fs.readFileSync('tsconfig.json').toString())
config.files = []
config.references = []
;(async function () {
  if (isCI) {
    // dont run it on CI
    return
  }

  const { stdout } = await exec('yarn workspaces info --json')

  const lines = stdout.split('\n')
  const depthTree = lines.slice(1, lines.length - 2).join('\n')
  const workspaces = JSON.parse(depthTree)

  for (const name in workspaces) {
    const workspace = workspaces[name]
    const location = path.resolve(process.cwd(), workspace.location)
    const tsconfigPath = path.resolve(location, 'tsconfig.json')
    if (fs.existsSync(tsconfigPath)) {
      config.references.push({
        path: workspace.location,
      })
      const workspaceConfig = JSON.parse(
        fs.readFileSync(tsconfigPath).toString()
      )
      workspaceConfig.compilerOptions.composite = true
      workspaceConfig.references = []
      workspaceConfig.compilerOptions.paths = {}
      for (const dependency of workspace.workspaceDependencies) {
        const dependecyLocation = path.resolve(
          process.cwd(),
          workspaces[dependency].location
        )
        if (fs.existsSync(path.resolve(dependecyLocation, 'tsconfig.json'))) {
          workspaceConfig.references.push({
            path: path.relative(location, dependecyLocation),
          })
          const dependencyName = workspaces[dependency].location
            .split('/')
            .pop()
          workspaceConfig.compilerOptions.paths[
            `@verkkokauppa/${dependencyName}`
          ] = [path.relative(location, dependecyLocation)]
        }
      }
      fs.writeFileSync(
        tsconfigPath,
        JSON.stringify(workspaceConfig, undefined, 4)
      )
    }
  }
  fs.writeFileSync('tsconfig.json', JSON.stringify(config, undefined, 4))
})()