{
  "description": "test of img changeAttribute",
  "htmlMdConfig": {
    "frontMatter": null,
    "omit": [],
    "transform": [
      {
        "comment": "strip srcset from img, prepend 'https' to src",
        "selector": "img",
        "conversions": [
          {
            "type": "changeAttribute",
            "attrName": "srcset",
            "pattern": "^(.*?)$",
            "flags": "gm",
            "newStr": ""
          },
          {
            "type": "changeAttribute",
            "attrName": "src",
            "pattern": "^\/\/",
            "flags": "gm",
            "newStr": "https://"
          }
        ]
      }
    ],
    "select": [
      "body"
    ]
  }
}