44 lines
1.6 KiB
TypeScript
44 lines
1.6 KiB
TypeScript
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/**
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* @license
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* Copyright 2017 Google LLC
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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import { Part } from '../lit-html.js';
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import { AsyncDirective } from '../async-directive.js';
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export declare class UntilDirective extends AsyncDirective {
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private __lastRenderedIndex;
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private __values;
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private __weakThis;
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private __pauser;
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render(...args: Array<unknown>): unknown;
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update(_part: Part, args: Array<unknown>): unknown;
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disconnected(): void;
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reconnected(): void;
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}
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/**
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* Renders one of a series of values, including Promises, to a Part.
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*
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* Values are rendered in priority order, with the first argument having the
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* highest priority and the last argument having the lowest priority. If a
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* value is a Promise, low-priority values will be rendered until it resolves.
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*
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* The priority of values can be used to create placeholder content for async
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* data. For example, a Promise with pending content can be the first,
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* highest-priority, argument, and a non_promise loading indicator template can
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* be used as the second, lower-priority, argument. The loading indicator will
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* render immediately, and the primary content will render when the Promise
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* resolves.
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*
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* Example:
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*
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* ```js
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* const content = fetch('./content.txt').then(r => r.text());
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* html`${until(content, html`<span>Loading...</span>`)}`
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* ```
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*/
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export declare const until: (...values: unknown[]) => import("../directive.js").DirectiveResult<typeof UntilDirective>;
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/**
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* The type of the class that powers this directive. Necessary for naming the
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* directive's return type.
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*/
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//# sourceMappingURL=until.d.ts.map
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