commit 7f46cc38dd30ee3c295c848d4bcfb78cef15f148 · kitten.sh/graphql-web-lite

+63
alias/error/GraphQLError.mjs
···

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       import { getLocation } from 'graphql/language/location';

     

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       import { printLocation, printSourceLocation } from 'graphql/language/printLocation';

     

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       export class GraphQLError extends Error {

     

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         constructor(

     

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           message,

     

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           nodes,

     

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           source,

     

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           positions,

     

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           path,

     

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           originalError,

     

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           extensions,

     

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         ) {

     

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           super(message);

     

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           this.name = 'GraphQLError';

     

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           this.message = message;

     

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           if (path) this.path = path;

     

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           if (nodes) this.nodes = nodes;

     

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           if (source) this.source = source;

     

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           if (positions) this.positions = positions;

     

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           if (originalError) this.originalError = originalError;

     

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           let _extensions = extensions;

     

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           if (_extensions == null && originalError != null) {

     

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             const originalExtensions = originalError.extensions;

     

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             if (isObjectLike(originalExtensions)) {

     

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               _extensions = originalExtensions;

     

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             }

     

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           }

     

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           if (_extensions) {

     

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             this.extensions = _extensions;

     

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           }

     

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         }

     

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         toString() {

     

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           return printError(this);

     

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         }

     

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       }

     

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       /**

     

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        * Prints a GraphQLError to a string, representing useful location information

     

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        * about the error's position in the source.

     

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        */

     

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       export function printError(error) {

     

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         let output = error.message;

     

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         if (error.nodes) {

     

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           for (const node of error.nodes) {

     

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             if (node.loc) {

     

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               output += '\n\n' + printLocation(node.loc);

     

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             }

     

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           }

     

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         } else if (error.source && error.locations) {

     

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           for (const location of error.locations) {

     

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             output += '\n\n' + printSourceLocation(error.source, location);

     

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           }

     

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         }

     

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         return output;

     

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       }