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94 changes: 94 additions & 0 deletions
94
packages/language-server/src/plugins/css/FileSystemProvider.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| import { stat, readdir, Stats } from 'fs'; | ||
| import { promisify } from 'util'; | ||
| import { | ||
| FileStat, | ||
| FileSystemProvider as CSSFileSystemProvider, | ||
| FileType | ||
| } from 'vscode-css-languageservice'; | ||
| import { urlToPath } from '../../utils'; | ||
|
|
||
| interface StatLike { | ||
| isDirectory(): boolean; | ||
| isFile(): boolean; | ||
| isSymbolicLink(): boolean; | ||
| } | ||
|
|
||
| export class FileSystemProvider implements CSSFileSystemProvider { | ||
| // TODO use fs/promises after we bumps the target nodejs versions | ||
| private promisifyStat = promisify(stat); | ||
| private promisifyReaddir = promisify(readdir); | ||
|
|
||
| constructor() { | ||
| this.readDirectory = this.readDirectory.bind(this); | ||
| this.stat = this.stat.bind(this); | ||
| } | ||
|
|
||
| async stat(uri: string): Promise<FileStat> { | ||
| const path = urlToPath(uri); | ||
|
|
||
| if (!path) { | ||
| return this.unknownStat(); | ||
| } | ||
|
|
||
| let stat: Stats; | ||
| try { | ||
| stat = await this.promisifyStat(path); | ||
| } catch (error) { | ||
| if ( | ||
| error != null && | ||
| typeof error === 'object' && | ||
| 'code' in error && | ||
| (error as { code: string }).code === 'ENOENT' | ||
| ) { | ||
| return { | ||
| type: FileType.Unknown, | ||
| ctime: -1, | ||
| mtime: -1, | ||
| size: -1 | ||
| }; | ||
| } | ||
|
|
||
| throw error; | ||
| } | ||
|
|
||
| return { | ||
| ctime: stat.ctimeMs, | ||
| mtime: stat.mtimeMs, | ||
| size: stat.size, | ||
| type: this.getFileType(stat) | ||
| }; | ||
| } | ||
|
|
||
| private unknownStat(): FileStat { | ||
| return { | ||
| type: FileType.Unknown, | ||
| ctime: -1, | ||
| mtime: -1, | ||
| size: -1 | ||
| }; | ||
| } | ||
|
|
||
| private getFileType(stat: StatLike) { | ||
| return stat.isDirectory() | ||
| ? FileType.Directory | ||
| : stat.isFile() | ||
| ? FileType.File | ||
| : stat.isSymbolicLink() | ||
| ? FileType.SymbolicLink | ||
| : FileType.Unknown; | ||
| } | ||
|
|
||
| async readDirectory(uri: string): Promise<Array<[string, FileType]>> { | ||
| const path = urlToPath(uri); | ||
|
|
||
| if (!path) { | ||
| return []; | ||
| } | ||
|
|
||
| const files = await this.promisifyReaddir(path, { | ||
| withFileTypes: true | ||
| }); | ||
|
|
||
| return files.map((file) => [file.name, this.getFileType(file)]); | ||
| } | ||
| } |
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