OpenQASM 3 encoder in deno

Example

import {
  Cbit,
  Gate,
  Op,
  OpenQASMEncoder,
  QuantumCircuit,
  Qubit,
} from "https://deno.land/x/qasm/mod.ts";

const example_circuit = new QuantumCircuit();

example_circuit.add_qubit(new Qubit("q", 3));
example_circuit.add_cbit(new Cbit("c0", 1));
example_circuit.add_cbit(new Cbit("c1", 1));
example_circuit.add_cbit(new Cbit("c2", 1));

example_circuit.add_gate(
  new Gate(
    "post",
    ["q"],
    []
  )
);

example_circuit.add_op(new Op("U", ["0.3", "0.2", "0.1", "q[0]"]));
example_circuit.add_op(new Op("h", ["q[1]"]));
example_circuit.add_op(new Op("cx", ["q[1]", "q[2]"]));
example_circuit.add_op(new Op("barrier", ["q"]));
example_circuit.add_op(new Op("cx", ["q[0]", "q[1]"]));
example_circuit.add_op(new Op("h", ["q[0]"]));
example_circuit.add_op(new Op("measure", ["q[0]", "c0"]));
example_circuit.add_op(new Op("measure", ["q[1]", "c1"]));
example_circuit.add_op(new Op("if", ["c0==1", "z", "q[2]"]));
example_circuit.add_op(new Op("if", ["c1==1", "x", "q[2]"]));
example_circuit.add_op(new Op("post", ["q[2]"]));
example_circuit.add_op(new Op("measure", ["q[2]", "c2"]));

const encoder = new OpenQASMEncoder(example_circuit);
await Deno.writeTextFile("teleport.qasm", encoder.encode());

teleport.qasm

OPENQASM 3;
include "stdgates.inc";

gate post q {
}

qubit[3] q;

bit[1] c0;
bit[1] c1;
bit[1] c2;

reset q;


U 0.3 0.2 0.1 q[0];
h q[1];
cx q[1] q[2];
barrier q;
cx q[0] q[1];
h q[0];
measure q[0] c0;
measure q[1] c1;
if c0==1 z q[2];
if c1==1 x q[2];
post q[2];
measure q[2] c2;