tailwind_intellisense_haml.json

// settings.json

{
  "tailwindCSS.includeLanguages": {
    "plaintext": "html",
    "haml": "html"
  },
  // https://github.com/tailwindlabs/tailwindcss/issues/7553#issuecomment-735915659
  "tailwindCSS.experimental.classRegex": [
    ":\\s*?[\"'`]([^\"'`]*).*?,?",
    [
      "class\\[([^)]*)\\]",
      "'([^']*)'"
    ],
    [
      "%\\s*?\\.([^\"'`{]*)"
    ]
  ]
}