Blame · DeletedFileContentProvider.ts

b69ab31	1	/**
b69ab31	2	* Copyright (c) Meta Platforms, Inc. and affiliates.
b69ab31	3	*
b69ab31	4	* This source code is licensed under the MIT license found in the
b69ab31	5	* LICENSE file in the root directory of this source tree.
b69ab31	6	*/
b69ab31	7
b69ab31	8	import * as vscode from 'vscode';
b69ab31	9
b69ab31	10	export const DELETED_FILE_DIFF_VIEW_PROVIDER_SCHEME = 'sapling-deleted-file';
b69ab31	11
b69ab31	12	/**
b69ab31	13	* Provides empty content for deleted files, so they may be used in diff views.
b69ab31	14	*/
b69ab31	15	export class DeletedFileContentProvider implements vscode.TextDocumentContentProvider {
b69ab31	16	disposable: vscode.Disposable;
b69ab31	17
b69ab31	18	constructor() {
b69ab31	19	this.disposable = vscode.workspace.registerTextDocumentContentProvider(
b69ab31	20	DELETED_FILE_DIFF_VIEW_PROVIDER_SCHEME,
b69ab31	21	this,
b69ab31	22	);
b69ab31	23	}
b69ab31	24
b69ab31	25	public provideTextDocumentContent(_uri: vscode.Uri): Promise<string \| null> {
b69ab31	26	return Promise.resolve('');
b69ab31	27	}
b69ab31	28
b69ab31	29	dispose() {
b69ab31	30	this.disposable.dispose();
b69ab31	31	}
b69ab31	32	}
b69ab31	33
b69ab31	34	/**
b69ab31	35	* URIs are provided for the QuickDiff encoded, so that we can restore the original URI.
b69ab31	36	*/
b69ab31	37	export function encodeDeletedFileUri(uri: vscode.Uri): vscode.Uri {
b69ab31	38	return uri.with({
b69ab31	39	scheme: DELETED_FILE_DIFF_VIEW_PROVIDER_SCHEME,
b69ab31	40	query: JSON.stringify({originalScheme: uri.scheme}),
b69ab31	41	});
b69ab31	42	}