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node_modules/lit-html/development/directives/if-defined.js

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+/**
+ * @license
+ * Copyright 2018 Google LLC
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+import { nothing } from '../lit-html.js';
+/**
+ * For AttributeParts, sets the attribute if the value is defined and removes
+ * the attribute if the value is undefined.
+ *
+ * For other part types, this directive is a no-op.
+ */
+export const ifDefined = (value) => value !== null && value !== void 0 ? value : nothing;
+//# sourceMappingURL=if-defined.js.map