@react-native/codegen/lib/parsers/flow/parseFlowAndThrowErrors.js

Code generation tools for React Native

/**
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 *
 *
 * @format
 */

'use strict';

function ownKeys(e, r) {
  var t = Object.keys(e);
  if (Object.getOwnPropertySymbols) {
    var o = Object.getOwnPropertySymbols(e);
    r &&
      (o = o.filter(function (r) {
        return Object.getOwnPropertyDescriptor(e, r).enumerable;
      })),
      t.push.apply(t, o);
  }
  return t;
}
function _objectSpread(e) {
  for (var r = 1; r < arguments.length; r++) {
    var t = null != arguments[r] ? arguments[r] : {};
    r % 2
      ? ownKeys(Object(t), !0).forEach(function (r) {
          _defineProperty(e, r, t[r]);
        })
      : Object.getOwnPropertyDescriptors
      ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t))
      : ownKeys(Object(t)).forEach(function (r) {
          Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r));
        });
  }
  return e;
}
function _defineProperty(e, r, t) {
  return (
    (r = _toPropertyKey(r)) in e
      ? Object.defineProperty(e, r, {
          value: t,
          enumerable: !0,
          configurable: !0,
          writable: !0,
        })
      : (e[r] = t),
    e
  );
}
function _toPropertyKey(t) {
  var i = _toPrimitive(t, 'string');
  return 'symbol' == typeof i ? i : i + '';
}
function _toPrimitive(t, r) {
  if ('object' != typeof t || !t) return t;
  var e = t[Symbol.toPrimitive];
  if (void 0 !== e) {
    var i = e.call(t, r || 'default');
    if ('object' != typeof i) return i;
    throw new TypeError('@@toPrimitive must return a primitive value.');
  }
  return ('string' === r ? String : Number)(t);
}
const hermesParser = require('hermes-parser');
function parseFlowAndThrowErrors(code, options = {}) {
  let ast;
  try {
    ast = hermesParser.parse(
      code,
      _objectSpread(
        {
          // Produce an ESTree-compliant AST
          babel: false,
          // Parse Flow without a pragma
          flow: 'all',
        },
        options.filename != null
          ? {
              sourceFilename: options.filename,
            }
          : {},
      ),
    );
  } catch (e) {
    if (options.filename != null) {
      e.message = `Syntax error in ${options.filename}: ${e.message}`;
    }
    throw e;
  }
  return ast;
}
module.exports = {
  parseFlowAndThrowErrors,
};