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ops-codegraph-tool/src/shared/errors.ts at main · Deriddle-Dev/ops-codegraph-tool · GitHub

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/**

* Domain error hierarchy for codegraph.

*

* Library code throws these instead of calling process.exit() or throwing

* bare Error instances. The CLI top-level catch formats them for humans;

* MCP returns structured { isError, code } responses.

*/

export interface CodegraphErrorOpts {

code?: string;

file?: string;

cause?: Error;

}

export class CodegraphError extends Error {

code: string;

file: string | undefined;

constructor(message: string, { code = 'CODEGRAPH_ERROR', file, cause }: CodegraphErrorOpts = {}) {

super(message, { cause });

this.name = 'CodegraphError';

this.code = code;

this.file = file;

}

}

export class ParseError extends CodegraphError {

constructor(message: string, opts: CodegraphErrorOpts = {}) {

super(message, { code: 'PARSE_FAILED', ...opts });

this.name = 'ParseError';

}

}

export class DbError extends CodegraphError {

constructor(message: string, opts: CodegraphErrorOpts = {}) {

super(message, { code: 'DB_ERROR', ...opts });

this.name = 'DbError';

}

}

export class ConfigError extends CodegraphError {

constructor(message: string, opts: CodegraphErrorOpts = {}) {

super(message, { code: 'CONFIG_INVALID', ...opts });

this.name = 'ConfigError';

}

}

export class ResolutionError extends CodegraphError {

constructor(message: string, opts: CodegraphErrorOpts = {}) {

super(message, { code: 'RESOLUTION_FAILED', ...opts });

this.name = 'ResolutionError';

}

}

export class EngineError extends CodegraphError {

constructor(message: string, opts: CodegraphErrorOpts = {}) {

super(message, { code: 'ENGINE_UNAVAILABLE', ...opts });

this.name = 'EngineError';

}

}

export class AnalysisError extends CodegraphError {

constructor(message: string, opts: CodegraphErrorOpts = {}) {

super(message, { code: 'ANALYSIS_FAILED', ...opts });

this.name = 'AnalysisError';

}

}

export class BoundaryError extends CodegraphError {

constructor(message: string, opts: CodegraphErrorOpts = {}) {

super(message, { code: 'BOUNDARY_VIOLATION', ...opts });

this.name = 'BoundaryError';

}

}

/** Safely extract a string message from an unknown thrown value. */

export function toErrorMessage(e: unknown): string {

return e instanceof Error ? e.message : String(e);

}

/**

* Catch-suppression helpers (`suppressError`, `suppressErrorAsync`) live in

* `infrastructure/suppress.ts` to avoid a shared→infrastructure layer inversion.

* Import them from there instead of from this module.

*/

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