Function _bind

tools/common/_hyperscript.iife.js:9455–9487

(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) {