Function _bind

www/js/_hyperscript.esm.js:9907–9939

(left, right, target, feature, runtime2)

  return typeof expr.set === "function";
}
function _bind(left, right, target, feature, runtime2) {
  var ctx = runtime2.makeContext(target, feature, target, null);
  var leftSide = _resolveSide(left, target, feature, runtime2, ctx);
  var rightSide = _resolveSide(right, target, feature, runtime2, ctx);
  var leftWritable = leftSide.element || _isAssignable(left);
  var rightWritable = rightSide.element || _isAssignable(right);
  if (!leftWritable && !rightWritable) {
    throw new Error("bind requires at least one writable side");
  }
  if (leftWritable) {
    runtime2.reactivity.createEffect(
      function() {
        return rightSide.read();
      },
      function(newValue) {
        leftSide.write(newValue);
      },
      { element: target }
    );
  }
  if (rightWritable) {
    runtime2.reactivity.createEffect(
      function() {
        return leftSide.read();
      },
      function(newValue) {
        rightSide.write(newValue);
      },
      { element: target }
    );
  }
  _setupFormReset(leftSide, rightSide, target, runtime2);
}
function _resolveSide(expr, target, feature, runtime2, ctx) {
  var value = expr.evaluate(ctx);
  if (value instanceof Element) {