rust-analyzer/.vscode/tasks.json

// See https://go.microsoft.com/fwlink/?LinkId=733558
// for the documentation about the tasks.json format
{
  "version": "2.0.0",
  "tasks": [
    {
      "label": "Build Extension",
      "group": "build",
      "type": "npm",
      "script": "watch",
      "path": "editors/code/",
      "problemMatcher": {
        "base": "$tsc-watch",
        "fileLocation": ["relative", "${workspaceFolder}/editors/code/"]
      },
      "isBackground": true,
    },
    {
      "label": "Build Server",
      "group": "build",
      "type": "shell",
      "command": "cargo build --package ra_lsp_server",
      "problemMatcher": "$rustc"
    },
  ]
}