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type-graphql

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Create GraphQL schema and resolvers with TypeScript, using classes and decorators!

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export class CannotDetermineGraphQLTypeError extends Error { constructor(typeKind, typeName, propertyKey, parameterIndex, argName) { let errorMessage = `Cannot determine GraphQL ${typeKind} type for `; if (argName) { errorMessage += `argument named '${argName}' of `; } else if (parameterIndex !== undefined) { errorMessage += `parameter #${parameterIndex} of `; } errorMessage += `'${propertyKey}' of '${typeName}' class. ` + `Is the value, that is used as its TS type or explicit type, decorated with a proper ` + `decorator or is it a proper ${typeKind} value?`; super(errorMessage); Object.setPrototypeOf(this, new.target.prototype); } }