INNER CODE UNIT · TypeScript

waitForBridgeResult

Dakkshin/after-effects-mcp · src/index.ts:78

async function waitForBridgeResult(expectedCommand?: string, timeoutMs: number = 5000, pollMs: number = 250): Promise<string> {
  const start = Date.now();
  const resultPath = path.join(getAETempDir(), 'ae_mcp_result.json');
  let lastSize = -1;

  while (Date.now() - start < timeoutMs) {
    if (fs.existsSync(resultPath)) {
      try {
        const content = fs.readFileSync(resultPath, 'utf8');
        if (content && content.length > 0 && content.length !== lastSize) {
          lastSize = content.length;
          try {
            const parsed = JSON.parse(content);
            if (!expectedCommand || parsed._commandExecuted === expectedCommand) {
              return content;
            }
          } catch {
            // not JSON yet; continue polling

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