//  sdk.config.ts
···
    lib: {
        entry: path.resolve(__dirname, "src/main.tsx"),
        /**
         * The name of the exposed global variable. Required when the `formats` option includes
         * `umd` or `iife`
         */
        name: "[SDK]",
        fileName: (format) => `[your sdk file name].${format}.js`,
    },
···

//  package.json
{
    "name": "[your sdk project name]",
    ···
    "main": "./dist/[your sdk file name].umd.js",
    "module": "./dist/[your sdk file name].es.js",
}