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CONTRIBUTING.md

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Contributing

Checkout MAINTAINING.md for common maintaining tasks.

A brief explanation on the source code structure

This repository contains source code only for Monaco Editor Languages, the core editor source lives in the vscode repository.

repository npm module explanation
vscode monaco-editor-core editor core functionality (language agnostic) is shipped out of vscode.
monaco-editor monaco-editor the Monaco Editor.

Contributing a new tokenizer / a new language

Please understand that we only bundle languages with the monaco editor that have a significant relevance (for example, those that have an article in Wikipedia).

  • create $/src/basic-languages/{myLang}/{myLang}.contribution.ts
  • create $/src/basic-languages/{myLang}/{myLang}.ts
  • create $/src/basic-languages/{myLang}/{myLang}.test.ts
  • edit $/src/basic-languages/monaco.contribution.ts and register your new language
  • create $/website/index/samples/sample.{myLang}.txt
import './{myLang}/{myLang}.contribution';

Running the editor from source

You need to have all the build setup of VS Code to be able to build the Monaco Editor.

# clone vscode-loc repository for localized string resources
/src> git clone https://github.com/microsoft/vscode-loc
# clone VS Code repository
/src> git clone https://github.com/microsoft/vscode
/src> cd vscode
# install npm deps for vscode
/src/vscode> yarn
# start the compiler in the background
/src/vscode> yarn watch
  • For the monaco editor test pages:
# clone monaco-editor (note the folders must be siblings!)
/src> git clone https://github.com/microsoft/monaco-editor

# install npm deps for monaco-editor
/src/monaco-editor> npm install .

# compile and bundle all plugins
/src/monaco-editor> npm run release

# start a local http server in the background
/src/monaco-editor> npm run simpleserver

Open http://localhost:8080/monaco-editor/test/manual/?editor=src to run.

Running the editor tests

# create a local release
/src/monaco-editor> npm run release

# run unit tests
/src/monaco-editor> npm run test

# compile the webpack plugin
/src/monaco-editor> npm run compile --prefix webpack-plugin

# package using the webpack plugin
/src/monaco-editor> npm run package-for-smoketest --prefix webpack-plugin

# run the smoketest
/src/monaco-editor> npm run smoketest-debug

Tip: All folders must be cloned as siblings.

Tip: When running the test pages, use the control panel in the top right corner to switch between running from source, running from npm or running from the local release: image

Running the website locally

Note: The website is published automatically when pushing to the master branch.

# create a local release
/src/monaco-editor> npm run release

# build the website
/src/monaco-editor> npm run build-website

# start local webserver
/src/monaco-editor> npm run simpleserver

# open http://localhost:8080/monaco-editor-website/