ubuntu + webpack + typescript でlibxmljsを使う

タイトルの設定で動かない

エラー

こんな実行時エラー

internal/validators.js:117
    throw new ERR_INVALID_ARG_TYPE(name, 'string', value);
    ^

TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received undefined
    at validateString (internal/validators.js:117:11)
    at dirname (path.js:1128:5)
    at Function.getRoot (webpack:///./node_modules/bindings/bindings.js?:154:13)
    at bindings (webpack:///./node_modules/bindings/bindings.js?:60:32)
    at eval (webpack:///./node_modules/libxmljs/lib/bindings.js?:1:92)
    at Object../node_modules/libxmljs/lib/bindings.js (/home/user/dist/index.js:118:1)
    at __webpack_require__ (/home/user/dist/index.js:20:30)
    at eval (webpack:///./node_modules/libxmljs/index.js?:4:16)
    at Object../node_modules/libxmljs/index.js (/home/user/dist/index.js:107:1)
    at __webpack_require__ (/home/user/dist/index.js:20:30) {
  code: 'ERR_INVALID_ARG_TYPE'
}

対応

ここの記述どおりに修正する。
node_modules/libxmls/lib/bindings.js

// module.exports = require('bindings')('xmljs');
module.exports = require('bindings')({
    "bindings": "xmljs",
    "module_root": process.cwd() + "/node_modules/libxmljs",
});