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Merge from vscode 52dcb723a39ae75bee1bd56b3312d7fcdc87aeed (#6719)

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This commit is contained in:
Anthony Dresser
2019-08-12 21:31:51 -07:00
committed by GitHub
parent 00250839fc
commit 7eba8c4c03
616 changed files with 9472 additions and 7087 deletions
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26
src/vs/platform/files/common/fileService.ts
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@@ -21,7 +21,7 @@ import { Schemas } from 'vs/base/common/network';
export class FileService extends Disposable implements IFileService {
_serviceBrand: ServiceIdentifier<any>;
_serviceBrand!: ServiceIdentifier<any>;
private readonly BUFFER_SIZE = 64 * 1024;
@@ -164,21 +164,25 @@ export class FileService extends Disposable implements IFileService {
private async doResolveFile(resource: URI, options?: IResolveFileOptions): Promise<IFileStat> {
const provider = await this.withProvider(resource);
// leverage a trie to check for recursive resolving
const resolveTo = options && options.resolveTo;
const trie = TernarySearchTree.forPaths<true>();
trie.set(resource.toString(), true);
if (isNonEmptyArray(resolveTo)) {
resolveTo.forEach(uri => trie.set(uri.toString(), true));
}
const resolveSingleChildDescendants = !!(options && options.resolveSingleChildDescendants);
const resolveMetadata = !!(options && options.resolveMetadata);
const stat = await provider.stat(resource);
let trie: TernarySearchTree<boolean> | undefined;
return this.toFileStat(provider, resource, stat, undefined, resolveMetadata, (stat, siblings) => {
// lazy trie to check for recursive resolving
if (!trie) {
trie = TernarySearchTree.forPaths<true>();
trie.set(resource.toString(), true);
if (isNonEmptyArray(resolveTo)) {
resolveTo.forEach(uri => trie!.set(uri.toString(), true));
}
}
// check for recursive resolving
if (Boolean(trie.findSuperstr(stat.resource.toString()) || trie.get(stat.resource.toString()))) {
return true;
@@ -253,8 +257,12 @@ export class FileService extends Disposable implements IFileService {
}
async exists(resource: URI): Promise<boolean> {
const provider = await this.withProvider(resource);
try {
return !!(await this.resolve(resource));
const stat = await provider.stat(resource);
return !!stat;
} catch (error) {
return false;
}