@jsh/opcua

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opcua = require("@jsh/opcua");
nodes = [
    "ns=1;s=NoPermVariable",
    "ns=1;s=ReadWriteVariable",
    "ns=1;s=ReadOnlyVariable",
    "ns=1;s=NoAccessVariable",
];

try {
    client = new opcua.Client({ endpoint: "opc.tcp://localhost:4840" });
    vs = client.read({
        nodes: nodes,
        timestampsToReturn: opcua.TimestampsToReturn.Both
    });
    vs.forEach((v, idx) => {
        console.log(nodes[idx], v.status, v.statusCode, v.value, v.type);
    })
} catch (e) {
    console.log("Error:", e.message);
} finally {
    if (client !== undefined) client.close();
}