CSS, LESS & SCSS language service extracted from VSCode to be reused, e.g in the Monaco editor.
aeschli Merge pull request #126 from Microsoft/octref/53948
Warn about Zero Unit in shorthand properties. Fix Microsoft/vscode#53948
Latest commit 3aa6185 Oct 8, 2018

README.md

vscode-css-languageservice

Language services for CSS, LESS and SCSS

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Why?

The vscode-css-languageservice contains the language smarts behind the CSS, LESS and SCSS editing experience of Visual Studio Code and the Monaco editor.

  • doValidation analyses an input string and returns syntax and lint errros.
  • doComplete provides completion proposals for a given location.
  • doHover provides a hover text for a given location.
  • findDefinition finds the definition of the symbol at the given location.
  • findReferences finds all references to the symbol at the given location.
  • findDocumentHighlights finds all symbols connected to the given location.
  • findDocumentSymbols provides all symbols in the given document
  • doCodeActions evaluats code actions for the given location, typically to fix a problem.
  • findColorSymbols evaluates all color symbols in the given document
  • doRename renames all symbols connected to the given location.
  • getFoldingRanges returns folding ranges in the given document.

Installation

npm install --save vscode-css-languageservice

API

export interface LanguageService {
	configure(raw: LanguageSettings): void;
	doValidation(document: TextDocument, stylesheet: Stylesheet, documentSettings?: LanguageSettings): Diagnostic[];
	parseStylesheet(document: TextDocument): Stylesheet;
	doComplete(document: TextDocument, position: Position, stylesheet: Stylesheet): CompletionList;
	setCompletionParticipants(registeredCompletionParticipants: ICompletionParticipant[]): void;
	doHover(document: TextDocument, position: Position, stylesheet: Stylesheet): Hover | null;
	findDefinition(document: TextDocument, position: Position, stylesheet: Stylesheet): Location | null;
	findReferences(document: TextDocument, position: Position, stylesheet: Stylesheet): Location[];
	findDocumentHighlights(document: TextDocument, position: Position, stylesheet: Stylesheet): DocumentHighlight[];
	findDocumentSymbols(document: TextDocument, stylesheet: Stylesheet): SymbolInformation[];
	doCodeActions(document: TextDocument, range: Range, context: CodeActionContext, stylesheet: Stylesheet): Command[];
	doCodeActions2(document: TextDocument, range: Range, context: CodeActionContext, stylesheet: Stylesheet): CodeAction[];
	findDocumentColors(document: TextDocument, stylesheet: Stylesheet): ColorInformation[];
	getColorPresentations(document: TextDocument, stylesheet: Stylesheet, color: Color, range: Range): ColorPresentation[];
	doRename(document: TextDocument, position: Position, newName: string, stylesheet: Stylesheet): WorkspaceEdit;
	getFoldingRanges(document: TextDocument, context?: { rangeLimit?: number; }): FoldingRange[];
}

export interface LanguageSettings {
	validate?: boolean;
	lint?: any;
}

License

(MIT License)

Copyright 2016, Microsoft

With the exceptions of build/mdn-documentation.js, which is built upon content from Mozilla Developer Network and distributed under CC BY-SA 2.5.