build monaco-editor-core

index.js

// 1. open vscode on codespaces

// 2. git fetch --all
const url = 'https://cdn.jsdelivr.net/npm/[email protected]/package.json'
const json = await fetch(url).then(res => res.json())
const commitId = json.vscodeCommitId

// git checkout commitid

// 3. build

// vscode/build/gulpfile.editor.js:81 shakeLevel: 2,
// yarn run gulp editor-distro
// cd out-monaco-editor-core/package.json update name version
// npm login & publish