45 lines
1.3 KiB
TypeScript
45 lines
1.3 KiB
TypeScript
/**
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* Subprocess wrapper for Cognitum Cog binaries (CLI variant).
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* Mirrors tools/ruview-mcp/src/cog.ts.
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*/
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import { spawn } from "node:child_process";
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export type Result<T> = { ok: true; data: T } | { ok: false; error: string };
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const COG_TIMEOUT_MS = 15_000;
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export async function runCog(binary: string, args: string[]): Promise<Result<string>> {
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return new Promise((resolve) => {
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let stdout = "";
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let stderr = "";
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const child = spawn(binary, args, {
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timeout: COG_TIMEOUT_MS,
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stdio: ["ignore", "pipe", "pipe"],
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});
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child.stdout?.on("data", (chunk: Buffer) => { stdout += chunk.toString(); });
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child.stderr?.on("data", (chunk: Buffer) => { stderr += chunk.toString(); });
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child.on("error", (e) => {
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resolve(err(
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`Failed to launch "${binary}" (${args.join(" ")}): ${e.message}. ` +
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`Set RUVIEW_POSE_COG_BINARY / RUVIEW_COUNT_COG_BINARY or install the cog.`
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));
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});
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child.on("close", (code) => {
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if (code !== 0) {
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resolve(err(`Cog "${binary} ${args.join(" ")}" exited with code ${code}. stderr: ${stderr.trim() || "(empty)"}`));
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} else {
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resolve({ ok: true, data: stdout });
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}
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});
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});
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}
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function err(error: string): { ok: false; error: string } {
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return { ok: false, error };
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}
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