anchor.diff:          sha512 = "wiyhTzfDWsvwAW53OBWF5zuvaOGlZ6PwYxAbPVDhpm+gM09xKQGjBq/8uYN12aDvMxnAnq3dxTyoSoRNmg5YFg==";
         };
       };
  +    "is-plain-obj-1.1.0" = {
  +      name = "is-plain-obj";
  +      packageName = "is-plain-obj";
  +      version = "1.1.0";
  +      src = fetchurl {
  +        url = "https://registry.npmjs.org/is-plain-obj/-/is-plain-obj-1.1.0.tgz";
  +        sha1 = "71a50c8429dfca773c92a390a4a03b39fcd51d3e";
  +      };
  +    };
       "is-plain-object-2.0.4" = {
         name = "is-plain-object";
         packageName = "is-plain-object";
  
positive.code:       sources."is-extglob-2.1.1"
        sources."is-fullwidth-code-point-1.0.0"
        sources."is-glob-4.0.1"
        (sources."is-number-3.0.0" // {
          dependencies = [
            sources."kind-of-3.2.2"
  
negative.code:       sources."@xtuc/ieee754-1.2.0"
        sources."@xtuc/long-4.2.2"
        sources."accepts-1.3.7"
        sources."acorn-6.4.2"
        sources."address-1.0.3"
        sources."ajv-6.12.5"
        sources."ajv-errors-1.0.1"
        sources."ajv-keywords-3.5.2"
        sources."alphanum-sort-1.0.2"
  