htmlのtableDOMを第一正規化します(rowspan, colspanを排除します)
> npm i @hikaruna/table-first-normalizer
// your_entrypoint.js
const tableFirstNormalize = require('@hikaruna/table-first-normalizer);
// your.html
<script src="https://github.com/hikaruna/table-first-normalizer/releases/download/vX.Y.Z/table-first-normalizer.umd.js"></script>
publish node_modules/@hikaruna/table-first-normalizer/dist/table-first-normalizer.umd.js to contentBase
// your.html
<script src="table-first-normalizer.umd.js"></script>
const table = document.querySelector('table');
const firstNormalizedTable = tableFirstNormalize(table);
document.querySelector('body').appendChild(firstNormalizedTable);
> git clone table-first-normalizer
> cd table-first-normalizer
> npm install
> npm run dev
> open localhost:10001