xai-org/grok-build · error

npm view @{} returned unexpected JSON

Error message

npm view @{} returned unexpected JSON

What it means

Error "npm view @{} returned unexpected JSON" thrown in xai-org/grok-build.

Source

Thrown at crates/codegen/xai-grok-update/src/version.rs:204

    xai_grok_tools::util::detach_command(&mut cmd);
    cmd.envs(xai_grok_tools::util::pager_env());
    let output = cmd.output().await?;

    if !output.status.success() {
        let stderr = String::from_utf8_lossy(&output.stderr);
        anyhow::bail!("npm view @{} failed: {}", tag, stderr.trim());
    }

    let stdout = String::from_utf8(output.stdout)?;
    let value: Value = serde_json::from_str(stdout.trim())?;
    match value {
        Value::String(version) => Ok(version),
        Value::Array(values) => values
            .iter()
            .rev()
            .find_map(|entry| entry.as_str().map(|item| item.to_string()))
            .ok_or_else(|| anyhow::anyhow!("npm view @{} returned empty version list", tag)),
        _ => anyhow::bail!("npm view @{} returned unexpected JSON", tag),
    }
}

/// Fetch the latest version from GitHub Releases using `gh release list`.
/// For alpha channel, fetches both pre-release and stable-only, returns the
/// semver-greater — `gh release list --limit 1` orders by publication date,
/// not semver, so we need both to guarantee correctness.
#[doc(hidden)]
pub async fn fetch_gh_release_version(channel: &str) -> Result<String> {
    if channel == "alpha" {
        let (with_pre, stable_only) = tokio::try_join!(
            fetch_gh_release_latest(false),
            fetch_gh_release_latest(true),
        )?;
        return semver_max(&with_pre, &stable_only);
    }
    fetch_gh_release_latest(true).await
}

View on GitHub (pinned to bc7f02eddd)

When it happens

Trigger: Thrown at crates/codegen/xai-grok-update/src/version.rs:204 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of xai-org/grok-build@bc7f02eddd (2026-08-31). Data as JSON: /api/errors/a33e45c057b72f8e. Report an issue: GitHub.