Function mergePackageJSON

packages/create/src/edge-package-json.ts:7–95

(
  packageJSON: Record<string, unknown>,
  overlayPackageJSON?: Record<string, unknown>,
)

import type { Options } from './types.js'

export function mergePackageJSON(
  packageJSON: Record<string, unknown>,
  overlayPackageJSON?: Record<string, unknown>,
) {
  const packageDependencies =
    packageJSON.dependencies && typeof packageJSON.dependencies === 'object'
      ? (packageJSON.dependencies as Record<string, string>)
      : {}
  const overlayDependencies =
    overlayPackageJSON?.dependencies &&
    typeof overlayPackageJSON.dependencies === 'object'
      ? (overlayPackageJSON.dependencies as Record<string, string>)
      : {}
  const packageDevDependencies =
    packageJSON.devDependencies && typeof packageJSON.devDependencies === 'object'
      ? (packageJSON.devDependencies as Record<string, string>)
      : {}
  const overlayDevDependencies =
    overlayPackageJSON?.devDependencies &&
    typeof overlayPackageJSON.devDependencies === 'object'
      ? (overlayPackageJSON.devDependencies as Record<string, string>)
      : {}
  const packageScripts =
    packageJSON.scripts && typeof packageJSON.scripts === 'object'
      ? (packageJSON.scripts as Record<string, string>)
      : {}
  const overlayScripts =
    overlayPackageJSON?.scripts && typeof overlayPackageJSON.scripts === 'object'
      ? (overlayPackageJSON.scripts as Record<string, string>)
      : {}

  const mergedPackageJSON: Record<string, unknown> = {
    ...packageJSON,
    ...(overlayPackageJSON || {}),
    dependencies: {
      ...packageDependencies,
      ...overlayDependencies,
    },
    devDependencies: {
      ...packageDevDependencies,
      ...overlayDevDependencies,
    },
    scripts: {
      ...packageScripts,
      ...overlayScripts,
    },
  }

  const packagePnpm =
    packageJSON.pnpm && typeof packageJSON.pnpm === 'object'
      ? (packageJSON.pnpm as Record<string, unknown>)
      : undefined
  const overlayPnpm =
    overlayPackageJSON?.pnpm && typeof overlayPackageJSON.pnpm === 'object'
      ? (overlayPackageJSON.pnpm as Record<string, unknown>)
      : undefined

  const baseOnlyBuiltDependencies = Array.isArray(