web-types.json

{
  "$schema": "http://json.schemastore.org/web-types",
  "name": "lit-web-types",
  "default-icon": "icon/lit.png",
  "js-types-syntax": "typescript",
  "version": "0.1.5",
  "framework": "lit",
  "framework-config": {
    "enable-when": {
      "node-packages": [
        "lit",
        "lit-html"
      ]
    }
  },
  "contributions": {
    "html": {
      "attributes": [
        {
          "name": "Event listeners",
          "description": "Event listeners expression",
          "doc-url": "https://lit.dev/docs/templates/expressions/#event-listener-expressions",
          "value": {
            "kind": "expression",
            "type": "any",
            "required": true
          },
          "virtual": true,
          "pattern": {
            "or": [
              {
                "items": [
                  "/html/events",
                  "/js/events"
                ],
                "template": [
                  "@",
                  "#...",
                  "#item:event name"
                ],
                "priority": "normal"
              },
              {
                "template": [
                  {
                    "regex": "@[-a-z0-9]+"
                  }
                ],
                "priority": "lowest"
              }
            ]
          }
        },
        {
          "name": "Boolean Attributes",
          "description": "Boolean Attributes expression",
          "doc-url": "https://lit.dev/docs/templates/expressions/#boolean-attribute-expressions",
          "value": {
            "kind": "expression",
            "type": "boolean",
            "required": true
          },
          "virtual": true,
          "pattern": {
            "items": "/html/attributes",
            "template": [
              "?",
              "#...",
              "#item:attribute name"
            ]
          }
        },
        {
          "name": "Properties",
          "description": "Properties expression",
          "doc-url": "https://lit.dev/docs/templates/expressions/#property-expressions",
          "value": {
            "kind": "expression",
            "type": "any",
            "required": true
          },
          "virtual": true,
          "pattern": {
            "items": "/js/properties",
            "template": [
              ".",
              "#...",
              "#item:property name"
            ]
          }
        }
      ]
    }
  }
}