"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.validate = validate;
exports.checkNoUnwrappedItemOptionPairs = checkNoUnwrappedItemOptionPairs;

var _plugin = _interopRequireDefault(require("../plugin"));

var _removed = _interopRequireDefault(require("./removed"));

var _optionAssertions = require("./option-assertions");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

const ROOT_VALIDATORS = {
  cwd: _optionAssertions.assertString,
  root: _optionAssertions.assertString,
  rootMode: _optionAssertions.assertRootMode,
  configFile: _optionAssertions.assertConfigFileSearch,
  caller: _optionAssertions.assertCallerMetadata,
  filename: _optionAssertions.assertString,
  filenameRelative: _optionAssertions.assertString,
  code: _optionAssertions.assertBoolean,
  ast: _optionAssertions.assertBoolean,
  cloneInputAst: _optionAssertions.assertBoolean,
  envName: _optionAssertions.assertString
};
const BABELRC_VALIDATORS = {
  babelrc: _optionAssertions.assertBoolean,
  babelrcRoots: _optionAssertions.assertBabelrcSearch
};
const NONPRESET_VALIDATORS = {
  extends: _optionAssertions.assertString,
  ignore: _optionAssertions.assertIgnoreList,
  only: _optionAssertions.assertIgnoreList
};
const COMMON_VALIDATORS = {
  inputSourceMap: _optionAssertions.assertInputSourceMap,
  presets: _optionAssertions.assertPluginList,
  plugins: _optionAssertions.assertPluginList,
  passPerPreset: _optionAssertions.assertBoolean,
  env: assertEnvSet,
  overrides: assertOverridesList,
  test: _optionAssertions.assertConfigApplicableTest,
  include: _optionAssertions.assertConfigApplicableTest,
  exclude: _optionAssertions.assertConfigApplicableTest,
  retainLines: _optionAssertions.assertBoolean,
  comments: _optionAssertions.assertBoolean,
  shouldPrintComment: _optionAssertions.assertFunction,
  compact: _optionAssertions.assertCompact,
  minified: _optionAssertions.assertBoolean,
  auxiliaryCommentBefore: _optionAssertions.assertString,
  auxiliaryCommentAfter: _optionAssertions.assertString,
  sourceType: _optionAssertions.assertSourceType,
  wrapPluginVisitorMethod: _optionAssertions.assertFunction,
  highlightCode: _optionAssertions.assertBoolean,
  sourceMaps: _optionAssertions.assertSourceMaps,
  sourceMap: _optionAssertions.assertSourceMaps,
  sourceFileName: _optionAssertions.assertString,
  sourceRoot: _optionAssertions.assertString,
  getModuleId: _optionAssertions.assertFunction,
  moduleRoot: _optionAssertions.assertString,
  moduleIds: _optionAssertions.assertBoolean,
  moduleId: _optionAssertions.assertString,
  parserOpts: _optionAssertions.assertObject,
  generatorOpts: _optionAssertions.assertObject
};

function getSource(loc) {
  return loc.type === "root" ? loc.source : getSource(loc.parent);
}

function validate(type, opts) {
  return validateNested({
    type: "root",
    source: type
  }, opts);
}

function validateNested(loc, opts) {
  const type = getSource(loc);
  assertNoDuplicateSourcemap(opts);
  Object.keys(opts).forEach(key => {
    const optLoc = {
      type: "option",
      name: key,
      parent: loc
    };

    if (type === "preset" && NONPRESET_VALIDATORS[key]) {
      throw new Error(`${(0, _optionAssertions.msg)(optLoc)} is not allowed in preset options`);
    }

    if (type !== "arguments" && ROOT_VALIDATORS[key]) {
      throw new Error(`${(0, _optionAssertions.msg)(optLoc)} is only allowed in root programmatic options`);
    }

    if (type !== "arguments" && type !== "configfile" && BABELRC_VALIDATORS[key]) {
      if (type === "babelrcfile" || type === "extendsfile") {
        throw new Error(`${(0, _optionAssertions.msg)(optLoc)} is not allowed in .babelrc or "extends"ed files, only in root programmatic options, ` + `or babel.config.js/config file options`);
      }

      throw new Error(`${(0, _optionAssertions.msg)(optLoc)} is only allowed in root programmatic options, or babel.config.js/config file options`);
    }

    const validator = COMMON_VALIDATORS[key] || NONPRESET_VALIDATORS[key] || BABELRC_VALIDATORS[key] || ROOT_VALIDATORS[key] || throwUnknownError;
    validator(optLoc, opts[key]);
  });
  return opts;
}

function throwUnknownError(loc) {
  const key = loc.name;

  if (_removed.default[key]) {
    const {
      message,
      version = 5
    } = _removed.default[key];
    throw new Error(`Using removed Babel ${version} option: ${(0, _optionAssertions.msg)(loc)} - ${message}`);
  } else {
    const unknownOptErr = new Error(`Unknown option: ${(0, _optionAssertions.msg)(loc)}. Check out https://babeljs.io/docs/en/babel-core/#options for more information about options.`);
    unknownOptErr.code = "BABEL_UNKNOWN_OPTION";
    throw unknownOptErr;
  }
}

function has(obj, key) {
  return Object.prototype.hasOwnProperty.call(obj, key);
}

function assertNoDuplicateSourcemap(opts) {
  if (has(opts, "sourceMap") && has(opts, "sourceMaps")) {
    throw new Error(".sourceMap is an alias for .sourceMaps, cannot use both");
  }
}

function assertEnvSet(loc, value) {
  if (loc.parent.type === "env") {
    throw new Error(`${(0, _optionAssertions.msg)(loc)} is not allowed inside of another .env block`);
  }

  const parent = loc.parent;
  const obj = (0, _optionAssertions.assertObject)(loc, value);

  if (obj) {
    for (const envName of Object.keys(obj)) {
      const env = (0, _optionAssertions.assertObject)((0, _optionAssertions.access)(loc, envName), obj[envName]);
      if (!env) continue;
      const envLoc = {
        type: "env",
        name: envName,
        parent
      };
      validateNested(envLoc, env);
    }
  }

  return obj;
}

function assertOverridesList(loc, value) {
  if (loc.parent.type === "env") {
    throw new Error(`${(0, _optionAssertions.msg)(loc)} is not allowed inside an .env block`);
  }

  if (loc.parent.type === "overrides") {
    throw new Error(`${(0, _optionAssertions.msg)(loc)} is not allowed inside an .overrides block`);
  }

  const parent = loc.parent;
  const arr = (0, _optionAssertions.assertArray)(loc, value);

  if (arr) {
    for (const [index, item] of arr.entries()) {
      const objLoc = (0, _optionAssertions.access)(loc, index);
      const env = (0, _optionAssertions.assertObject)(objLoc, item);
      if (!env) throw new Error(`${(0, _optionAssertions.msg)(objLoc)} must be an object`);
      const overridesLoc = {
        type: "overrides",
        index,
        parent
      };
      validateNested(overridesLoc, env);
    }
  }

  return arr;
}

function checkNoUnwrappedItemOptionPairs(items, index, type, e) {
  if (index === 0) return;
  const lastItem = items[index - 1];
  const thisItem = items[index];

  if (lastItem.file && lastItem.options === undefined && typeof thisItem.value === "object") {
    e.message += `\n- Maybe you meant to use\n` + `"${type}": [\n  ["${lastItem.file.request}", ${JSON.stringify(thisItem.value, undefined, 2)}]\n]\n` + `To be a valid ${type}, its name and options should be wrapped in a pair of brackets`;
  }
}