import {
  JSONStringify,
  RangeError,
  TypeError,
} from "ext:core/primordials";
import {
  op_fjson_apply,
  op_fjson_parse,
  op_fjson_stringify,
} from "ext:core/ops";

const JSONParse = JSON.parse;
const ParseError = SyntaxError;

export function parse(source: string): unknown {
  const result = op_fjson_parse(`${source}`);
  if (result[1] !== null) throw new ParseError(result[1]);
  return JSONParse(result[0]);
}

export function stringify(value: unknown): string {
  const json = JSONStringify(value);
  if (json === undefined) throw new TypeError("Value is not JSON serializable");
  const result = op_fjson_stringify(json);
  if (result[1] !== null) {
    const ErrorClass = result[2] ? RangeError : TypeError;
    throw new ErrorClass(result[1]);
  }
  return result[0];
}

export function apply(source: string, ...overrides: Record<string, unknown>[]): string {
  return op_fjson_apply(`${source}`, overrides);
}