@oystehr/sdk/src/errors/index.ts

Oystehr SDK

import { OperationOutcome as OperationOutcomeR4B } from 'fhir/r4b';
import { OperationOutcome as OperationOutcomeR5 } from 'fhir/r5';

export class OystehrSdkError extends Error {
  code: number;
  constructor({ message, code, cause }: { message: string; code: number; cause?: unknown }) {
    super(message, { cause });
    Object.setPrototypeOf(this, OystehrSdkError.prototype);
    this.code = code;
    this.name = 'OystehrSdkError';
  }
  toString(): string {
    return `${this.name}: ${this.message} (code: ${this.code})`;
  }
  toJSON(): any {
    return {
      name: this.name,
      message: this.message,
      code: this.code,
      cause: this.cause,
    };
  }
}

function transformOperationOutcomeToErrorMessage(cause: OperationOutcomeR4B | OperationOutcomeR5): string {
  const causes = [];
  for (const issue of cause.issue ?? []) {
    if (issue.details && issue.details.text) {
      causes.push(issue.details.text);
    }
  }
  if (!causes.length) {
    causes.push('Unknown FHIR error');
  }
  return causes.join(',');
}

export class OystehrFHIRError extends OystehrSdkError {
  cause: OperationOutcomeR4B | OperationOutcomeR5;
  constructor({ error, code }: { error: OperationOutcomeR4B | OperationOutcomeR5; code: number }) {
    super({
      message: transformOperationOutcomeToErrorMessage(error as OperationOutcomeR4B | OperationOutcomeR5),
      code,
    });
    Object.setPrototypeOf(this, OystehrFHIRError.prototype);
    this.cause = error as OperationOutcomeR4B | OperationOutcomeR5;
    this.name = 'OystehrFHIRError';
  }
  toJSON(): any {
    return {
      name: this.name,
      message: this.message,
      code: this.code,
      cause: this.cause,
    };
  }
}