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Diffstat (limited to 'chromium/third_party/node/node_modules/lit-html/directives/async-replace.d.ts')
-rw-r--r-- | chromium/third_party/node/node_modules/lit-html/directives/async-replace.d.ts | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/chromium/third_party/node/node_modules/lit-html/directives/async-replace.d.ts b/chromium/third_party/node/node_modules/lit-html/directives/async-replace.d.ts new file mode 100644 index 00000000000..c7413279f14 --- /dev/null +++ b/chromium/third_party/node/node_modules/lit-html/directives/async-replace.d.ts @@ -0,0 +1,39 @@ +/** + * @license + * Copyright 2017 Google LLC + * SPDX-License-Identifier: BSD-3-Clause + */ +import { ChildPart, noChange } from '../lit-html.js'; +import { AsyncDirective, DirectiveParameters } from '../async-directive.js'; +type Mapper<T> = (v: T, index?: number) => unknown; +export declare class AsyncReplaceDirective extends AsyncDirective { + private __value?; + private __weakThis; + private __pauser; + render<T>(value: AsyncIterable<T>, _mapper?: Mapper<T>): symbol; + update(_part: ChildPart, [value, mapper]: DirectiveParameters<this>): typeof noChange | undefined; + protected commitValue(value: unknown, _index: number): void; + disconnected(): void; + reconnected(): void; +} +/** + * A directive that renders the items of an async iterable[1], replacing + * previous values with new values, so that only one value is ever rendered + * at a time. This directive may be used in any expression type. + * + * Async iterables are objects with a `[Symbol.asyncIterator]` method, which + * returns an iterator who's `next()` method returns a Promise. When a new + * value is available, the Promise resolves and the value is rendered to the + * Part controlled by the directive. If another value other than this + * directive has been set on the Part, the iterable will no longer be listened + * to and new values won't be written to the Part. + * + * [1]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/for-await...of + * + * @param value An async iterable + * @param mapper An optional function that maps from (value, index) to another + * value. Useful for generating templates for each item in the iterable. + */ +export declare const asyncReplace: (value: AsyncIterable<unknown>, _mapper?: Mapper<unknown> | undefined) => import("../directive.js").DirectiveResult<typeof AsyncReplaceDirective>; +export {}; +//# sourceMappingURL=async-replace.d.ts.map
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