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Filename : GraphQLError.mjs
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import { isObjectLike } from '../jsutils/isObjectLike.mjs';
import { getLocation } from '../language/location.mjs';
import {
  printLocation,
  printSourceLocation,
} from '../language/printLocation.mjs';

function toNormalizedOptions(args) {
  const firstArg = args[0];

  if (firstArg == null || 'kind' in firstArg || 'length' in firstArg) {
    return {
      nodes: firstArg,
      source: args[1],
      positions: args[2],
      path: args[3],
      originalError: args[4],
      extensions: args[5],
    };
  }

  return firstArg;
}
/**
 * A GraphQLError describes an Error found during the parse, validate, or
 * execute phases of performing a GraphQL operation. In addition to a message
 * and stack trace, it also includes information about the locations in a
 * GraphQL document and/or execution result that correspond to the Error.
 */

export class GraphQLError extends Error {
  /**
   * An array of `{ line, column }` locations within the source GraphQL document
   * which correspond to this error.
   *
   * Errors during validation often contain multiple locations, for example to
   * point out two things with the same name. Errors during execution include a
   * single location, the field which produced the error.
   *
   * Enumerable, and appears in the result of JSON.stringify().
   */

  /**
   * An array describing the JSON-path into the execution response which
   * corresponds to this error. Only included for errors during execution.
   *
   * Enumerable, and appears in the result of JSON.stringify().
   */

  /**
   * An array of GraphQL AST Nodes corresponding to this error.
   */

  /**
   * The source GraphQL document for the first location of this error.
   *
   * Note that if this Error represents more than one node, the source may not
   * represent nodes after the first node.
   */

  /**
   * An array of character offsets within the source GraphQL document
   * which correspond to this error.
   */

  /**
   * The original error thrown from a field resolver during execution.
   */

  /**
   * Extension fields to add to the formatted error.
   */

  /**
   * @deprecated Please use the `GraphQLErrorOptions` constructor overload instead.
   */
  constructor(message, ...rawArgs) {
    var _this$nodes, _nodeLocations$, _ref;

    const { nodes, source, positions, path, originalError, extensions } =
      toNormalizedOptions(rawArgs);
    super(message);
    this.name = 'GraphQLError';
    this.path = path !== null && path !== void 0 ? path : undefined;
    this.originalError =
      originalError !== null && originalError !== void 0
        ? originalError
        : undefined; // Compute list of blame nodes.

    this.nodes = undefinedIfEmpty(
      Array.isArray(nodes) ? nodes : nodes ? [nodes] : undefined,
    );
    const nodeLocations = undefinedIfEmpty(
      (_this$nodes = this.nodes) === null || _this$nodes === void 0
        ? void 0
        : _this$nodes.map((node) => node.loc).filter((loc) => loc != null),
    ); // Compute locations in the source for the given nodes/positions.

    this.source =
      source !== null && source !== void 0
        ? source
        : nodeLocations === null || nodeLocations === void 0
        ? void 0
        : (_nodeLocations$ = nodeLocations[0]) === null ||
          _nodeLocations$ === void 0
        ? void 0
        : _nodeLocations$.source;
    this.positions =
      positions !== null && positions !== void 0
        ? positions
        : nodeLocations === null || nodeLocations === void 0
        ? void 0
        : nodeLocations.map((loc) => loc.start);
    this.locations =
      positions && source
        ? positions.map((pos) => getLocation(source, pos))
        : nodeLocations === null || nodeLocations === void 0
        ? void 0
        : nodeLocations.map((loc) => getLocation(loc.source, loc.start));
    const originalExtensions = isObjectLike(
      originalError === null || originalError === void 0
        ? void 0
        : originalError.extensions,
    )
      ? originalError === null || originalError === void 0
        ? void 0
        : originalError.extensions
      : undefined;
    this.extensions =
      (_ref =
        extensions !== null && extensions !== void 0
          ? extensions
          : originalExtensions) !== null && _ref !== void 0
        ? _ref
        : Object.create(null); // Only properties prescribed by the spec should be enumerable.
    // Keep the rest as non-enumerable.

    Object.defineProperties(this, {
      message: {
        writable: true,
        enumerable: true,
      },
      name: {
        enumerable: false,
      },
      nodes: {
        enumerable: false,
      },
      source: {
        enumerable: false,
      },
      positions: {
        enumerable: false,
      },
      originalError: {
        enumerable: false,
      },
    }); // Include (non-enumerable) stack trace.

    /* c8 ignore start */
    // FIXME: https://github.com/graphql/graphql-js/issues/2317

    if (
      originalError !== null &&
      originalError !== void 0 &&
      originalError.stack
    ) {
      Object.defineProperty(this, 'stack', {
        value: originalError.stack,
        writable: true,
        configurable: true,
      });
    } else if (Error.captureStackTrace) {
      Error.captureStackTrace(this, GraphQLError);
    } else {
      Object.defineProperty(this, 'stack', {
        value: Error().stack,
        writable: true,
        configurable: true,
      });
    }
    /* c8 ignore stop */
  }

  get [Symbol.toStringTag]() {
    return 'GraphQLError';
  }

  toString() {
    let output = this.message;

    if (this.nodes) {
      for (const node of this.nodes) {
        if (node.loc) {
          output += '\n\n' + printLocation(node.loc);
        }
      }
    } else if (this.source && this.locations) {
      for (const location of this.locations) {
        output += '\n\n' + printSourceLocation(this.source, location);
      }
    }

    return output;
  }

  toJSON() {
    const formattedError = {
      message: this.message,
    };

    if (this.locations != null) {
      formattedError.locations = this.locations;
    }

    if (this.path != null) {
      formattedError.path = this.path;
    }

    if (this.extensions != null && Object.keys(this.extensions).length > 0) {
      formattedError.extensions = this.extensions;
    }

    return formattedError;
  }
}

function undefinedIfEmpty(array) {
  return array === undefined || array.length === 0 ? undefined : array;
}
/**
 * See: https://spec.graphql.org/draft/#sec-Errors
 */

/**
 * Prints a GraphQLError to a string, representing useful location information
 * about the error's position in the source.
 *
 * @deprecated Please use `error.toString` instead. Will be removed in v17
 */
export function printError(error) {
  return error.toString();
}
/**
 * Given a GraphQLError, format it according to the rules described by the
 * Response Format, Errors section of the GraphQL Specification.
 *
 * @deprecated Please use `error.toJSON` instead. Will be removed in v17
 */

export function formatError(error) {
  return error.toJSON();
}