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node_modules/lit-html/directives/when.d.ts

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+/**
+ * @license
+ * Copyright 2021 Google LLC
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+/**
+ * When `condition` is true, returns the result of calling `trueCase()`, else
+ * returns the result of calling `falseCase()` if `falseCase` is defined.
+ *
+ * This is a convenience wrapper around a ternary expression that makes it a
+ * little nicer to write an inline conditional without an else.
+ *
+ * @example
+ *
+ * ```ts
+ * render() {
+ *   return html`
+ *     ${when(this.user, () => html`User: ${this.user.username}`, () => html`Sign In...`)}
+ *   `;
+ * }
+ * ```
+ */
+export declare function when<T, F>(condition: true, trueCase: () => T, falseCase?: () => F): T;
+export declare function when<T, F = undefined>(condition: false, trueCase: () => T, falseCase?: () => F): F;
+export declare function when<T, F = undefined>(condition: unknown, trueCase: () => T, falseCase?: () => F): T | F;
+//# sourceMappingURL=when.d.ts.map