49 lines
1.9 KiB
TypeScript
49 lines
1.9 KiB
TypeScript
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export type HttpErrorDiagnostic = Readonly<{
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name: string;
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code?: string;
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errno?: number;
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sqlState?: string;
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frames: readonly string[];
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}>;
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/** Extrae datos técnicos sin serializar mensajes, SQL ni propiedades arbitrarias del error. */
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export function httpErrorDiagnostics(failure: unknown): readonly HttpErrorDiagnostic[] {
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const diagnostics: HttpErrorDiagnostic[] = [];
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const visited = new Set<Error>();
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let current = failure;
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while (current instanceof Error && !visited.has(current) && diagnostics.length < 5) {
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visited.add(current);
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diagnostics.push(describeError(current));
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current =
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current.cause instanceof Error
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? current.cause
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: "parent" in current
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? current.parent
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: undefined;
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}
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return diagnostics.length ? diagnostics : [{ name: "NonErrorThrown", frames: [] }];
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}
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function describeError(failure: Error): HttpErrorDiagnostic {
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const code = "code" in failure ? failure.code : undefined;
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const errno = "errno" in failure ? failure.errno : undefined;
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const sqlState = "sqlState" in failure ? failure.sqlState : undefined;
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// El prefijo puede contener un mensaje multilínea: se elimina completo antes de leer los frames.
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const prefix = failure.message ? `${failure.name}: ${failure.message}` : failure.name;
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const stack = failure.stack?.startsWith(prefix) ? failure.stack.slice(prefix.length) : "";
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return {
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name: /^[A-Za-z][A-Za-z0-9]*Error$|^Error$/.test(failure.name) ? failure.name : "Error",
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...(typeof code === "string" && /^(?:ER_[A-Z0-9_]+|E[A-Z0-9_]+)$/.test(code) ? { code } : {}),
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...(typeof errno === "number" && Number.isSafeInteger(errno) ? { errno } : {}),
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...(typeof sqlState === "string" && /^[0-9A-Z]{5}$/.test(sqlState) ? { sqlState } : {}),
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frames: stack
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.split("\n")
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.filter((line) => /^\s+at .+:\d+:\d+\)?$/.test(line))
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.slice(0, 20)
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.map((line) => line.trim()),
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};
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}
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