prettier/prettier.dang at main · dagger/prettier · GitHub

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type Prettier {
  """
  The source directory for the project.
  """
  pub source: Directory! @defaultPath(path: "/")

  """
  The base image to use.
  """
  pub baseImageAddress: String! = "node:25-alpine"

  """
  The package manager to use.
  """
  pub packageManager: String! = "npm"

  """
  Check that if the files are formatted.
  """
  pub check: Void @check {
    node(source, baseImageAddress, packageManager).base.
    withExec(["npx", "prettier", "--check", "."]).
    sync

    null
  }

  """
  Rewrite all processed files in place.
  """
  pub write: Changeset {
    let fixFilter = ["**/*.js", "**/*.ts", "**/*.md", "**/*.jsx"]

    let fixed = node(source, baseImageAddress, packageManager).base.
    withExec(["npx", "prettier", "--write", "."]).
    directory(".").
    withoutDirectory("node_modules")

    let fixedJs = directory.
    withDirectory(".", fixed, include: fixFilter)

    let sourceJs = directory.
    withDirectory(".", source.withoutDirectory("node_modules"), include: fixFilter)

    fixedJs.
    changes(sourceJs)
  }
}