Function updateFile

packages/eslint-codegen-model/src/cli.ts:405–448

(
  filePath: string,
  source: string,
  defaults?: CodegenDefaults,
  resolver?: ModelTypeResolver
)

}

function updateFile(
  filePath: string,
  source: string,
  defaults?: CodegenDefaults,
  resolver?: ModelTypeResolver
): boolean {
  let changed = false

  const synced = syncModelSource(source)
  if (synced !== source) {
    changed = true
    source = synced
  }

  const next = source.replace(
    blockRe,
    (_match, indent: string, rawOptions: string, body: string, endIndent: string) => {
      const options = applyDefaults(parseBlockOptions(rawOptions), defaults)
      const existingContent = trimTrailingNewline(body)
      const generatedContent = trimTrailingNewline(
        normaliseGeneratedContent(
          options,
          filePath,
          renderPreset(options, { filename: filePath, existingContent }, source, resolver)
        )
      )

      const nextBody = generatedContent.length > 0 ? `${indentBlock(generatedContent, indent)}\n` : ""
      const replacement = `${indent}// codegen:start ${rawOptions}\n${nextBody}${endIndent}// codegen:end`

      if (replacement !== _match) {
        changed = true
      }

      return replacement
    }
  )

  if (next !== source) {
    fs.writeFileSync(filePath, next)
  }

  return changed
}

interface ParsedArgs {
  files: Array<string>