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    5.0.1 • Public • Published


    HTML language service extracted from VSCode to be reused, e.g in the Monaco editor.

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    The vscode-html-languageservice contains the language smarts behind the HTML editing experience of Visual Studio Code and the Monaco editor.

    • doComplete / doComplete2 (async) provide completion proposals for a given location.

    • setCompletionParticipants allows participant to provide suggestions for specific tokens.

    • doHover provides hover information at a given location.

    • format formats the code at the given range.

    • findDocumentLinks finds all links in the document.

    • findDocumentSymbols finds all the symbols in the document.

    • getFoldingRanges return folding ranges for the given document.

    • getSelectionRanges return the selection ranges for the given document. ...

    For the complete API see htmlLanguageService.ts and htmlLanguageTypes.ts


    npm install --save vscode-html-languageservice


    • clone this repo, run yarn
    • yarn test to compile and run tests

    How can I run and debug the service?

    • open the folder in VSCode.
    • set breakpoints, e.g. in htmlCompletion.ts
    • run the Unit tests from the run viewlet and wait until a breakpoint is hit: image

    How can I run and debug the service inside an instance of VSCode?

    • run VSCode out of sources setup as described here:
    • link the folder of the vscode-html-languageservice repo to vscode/extensions/html-language-features/server to run VSCode with the latest changes from that folder:
      • cd vscode-html-languageservice, yarn link
      • cd vscode/extensions/html-language-features/server, yarn link vscode-html-languageservice
    • run VSCode out of source (vscode/scripts/|bat) and open a .html file
    • in VSCode window that is open on the vscode-html-languageservice sources, run command Debug: Attach to Node process and pick the code-oss process with the html-language-features path image
    • set breakpoints, e.g. in htmlCompletion.ts
    • in the instance run from sources, invoke code completion in the .html file


    (MIT License)

    Copyright 2016-2020, Microsoft

    With the exceptions of data/*.json, which is built upon content from Mozilla Developer Network and distributed under CC BY-SA 2.5.




    npm i vscode-html-languageservice

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