1 | /**
|
2 | * @license
|
3 | * Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
|
4 | * This code may only be used under the BSD style license found at
|
5 | * http://polymer.github.io/LICENSE.txt
|
6 | * The complete set of authors may be found at
|
7 | * http://polymer.github.io/AUTHORS.txt
|
8 | * The complete set of contributors may be found at
|
9 | * http://polymer.github.io/CONTRIBUTORS.txt
|
10 | * Code distributed by Google as part of the polymer project is also
|
11 | * subject to an additional IP rights grant found at
|
12 | * http://polymer.github.io/PATENTS.txt
|
13 | */
|
14 | import { PackageRelativeUrl, ResolvedUrl } from '../model/url';
|
15 | import { UrlLoader } from './url-loader';
|
16 | /**
|
17 | * Resolves requests first from an in-memory map of file contents, and if a
|
18 | * file isn't found there, defers to another url loader.
|
19 | *
|
20 | * Useful for the editor use case. An editor will have a number of files in open
|
21 | * buffers at any time. For these files, the editor's in-memory buffer is
|
22 | * canonical, so that their contents are read even when they have unsaved
|
23 | * changes. For all other files, we can load the files using another loader,
|
24 | * e.g. from disk.
|
25 | *
|
26 | * TODO(rictic): make this a mixin that mixes another loader.
|
27 | */
|
28 | export declare class InMemoryOverlayUrlLoader implements UrlLoader {
|
29 | private readonly _fallbackLoader;
|
30 | urlContentsMap: Map<ResolvedUrl, string>;
|
31 | constructor(fallbackLoader?: UrlLoader);
|
32 | canLoad(url: ResolvedUrl): boolean;
|
33 | load(url: ResolvedUrl): Promise<string>;
|
34 | readDirectory?: (pathFromRoot: string, deep?: boolean) => Promise<PackageRelativeUrl[]>;
|
35 | }
|