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SCSS fs provider. Fix microsoft/vscode#58204
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| /*--------------------------------------------------------------------------------------------- | ||
| * Copyright (c) Microsoft Corporation. All rights reserved. | ||
| * Licensed under the MIT License. See License.txt in the project root for license information. | ||
| *--------------------------------------------------------------------------------------------*/ | ||
| 'use strict'; | ||
|
|
||
| import { CSSNavigation } from './cssNavigation'; | ||
| import { FileSystemProvider, DocumentContext, FileType } from '../cssLanguageTypes'; | ||
| import { TextDocument, DocumentLink } from '../cssLanguageService'; | ||
| import * as nodes from '../parser/cssNodes'; | ||
|
|
||
| export class SCSSNavigation extends CSSNavigation { | ||
| constructor(private fileSystemProvider?: FileSystemProvider) { | ||
| super(); | ||
| } | ||
|
|
||
| public async findDocumentLinks( | ||
| document: TextDocument, | ||
| stylesheet: nodes.Stylesheet, | ||
| documentContext: DocumentContext | ||
| ): Promise<DocumentLink[]> { | ||
| const links = await super.findDocumentLinks(document, stylesheet, documentContext); | ||
| const fsProvider = this.fileSystemProvider; | ||
|
|
||
| /** | ||
| * Validate and correct links | ||
| */ | ||
| for (let i = 0; i < links.length; i++) { | ||
| if (links[i].target.endsWith('.scss') && !(await fileExists(links[i].target))) { | ||
| const { originalBasename, normalizedBasename, normalizedUri, withBasename } = toNormalizedUri(links[i].target); | ||
| // a.scss case | ||
| if (originalBasename === normalizedBasename && await fileExists(withBasename('_' + originalBasename))) { | ||
| links[i].target = withBasename('_' + originalBasename); | ||
| continue; | ||
| } | ||
| // _a.scss case | ||
| else if (originalBasename === '_' + normalizedBasename && await fileExists(normalizedUri)) { | ||
| links[i].target = normalizedUri; | ||
| continue; | ||
| } | ||
|
|
||
| // a/index.scss and a/_index.scss case | ||
| const indexUri = withBasename(normalizedBasename.replace('.scss', '/index.scss')); | ||
| const _indexUri = withBasename(normalizedBasename.replace('.scss', '/_index.scss')); | ||
|
|
||
| if (await fileExists(indexUri)) { | ||
| links[i].target = indexUri; | ||
| } else if (await fileExists(_indexUri)) { | ||
| links[i].target = _indexUri; | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return links; | ||
|
|
||
| function toNormalizedUri(uri: string) { | ||
| const uriFragments = uri.split('/'); | ||
| let normalizedBasename = uriFragments[uriFragments.length - 1]; | ||
| if (normalizedBasename.startsWith('_')) { | ||
| normalizedBasename = normalizedBasename.slice(1); | ||
| } | ||
| if (!normalizedBasename.endsWith('.scss')) { | ||
| normalizedBasename += '.scss'; | ||
| } | ||
|
|
||
| const normalizedUri = [...uriFragments.slice(0, -1), normalizedBasename].join('/'); | ||
| return { | ||
| originalBasename: uriFragments[uriFragments.length - 1], | ||
| normalizedUri, | ||
| normalizedBasename, | ||
| withBasename(newBaseName: string) { | ||
| return [...uriFragments.slice(0, -1), newBaseName].join('/'); | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| async function fileExists(uri: string) { | ||
| if (!fsProvider) { | ||
| return false; | ||
| } | ||
|
|
||
| try { | ||
| const stat = await fsProvider.stat(uri); | ||
| if (stat.type === FileType.Unknown && stat.size === -1) { | ||
| return false; | ||
| } | ||
|
|
||
| return true; | ||
| } catch (err) { | ||
| return false; | ||
| } | ||
| } | ||
| } | ||
| } |
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