import { ElderSqlCompiler, ElderSqlError } from "./compiler"

export default function loader(this: any, source: any) {
  const options = this.getOptions({
    "title": "Elder-SQL Loader options",
    "type": "object",
    "description": "Options for Elder-SQL.",
    "additionalProperties": true
  })
  const callback = this.async()
  const useSourceMap = typeof options.sourceMap === "boolean" ? options.sourceMap : this.sourceMap

  try {
    const compiler = new ElderSqlCompiler(options)
    const result = compiler.compile(this.resourcePath)

    callback(null, result.js, useSourceMap && result.map)
  } catch (err) {
    if (err instanceof Error) {
      callback(new ElderSqlError(err))
    } else {
      callback(err)
    }
  }  
}