Codex
32 lines
966 B
TypeScript
32 lines
966 B
TypeScript
export interface JsonEnvelope<T> {
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ok: boolean;
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command: string;
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data?: T;
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error?: unknown;
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}
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export function emitJson<T>(command: string, data: T, ok = true): void {
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const envelope: JsonEnvelope<T> = { ok, command, data };
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safeStdoutWrite(`${JSON.stringify(envelope, null, 2)}\n`);
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}
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export function emitError(command: string, error: unknown): void {
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const payload = error instanceof Error
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? { name: error.name, message: error.message, stack: error.stack ?? null }
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: { message: String(error) };
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const envelope: JsonEnvelope<never> = { ok: false, command, error: payload };
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safeStdoutWrite(`${JSON.stringify(envelope, null, 2)}\n`);
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}
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function safeStdoutWrite(text: string): void {
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try {
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process.stdout.write(text);
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} catch (error) {
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if (typeof error === "object" && error !== null && "code" in error && (error as { code?: unknown }).code === "EPIPE") {
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process.exitCode = 0;
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return;
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}
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throw error;
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}
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}
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