The project runs with `node 16.10.0`. Some packages will throw dependency errors if you try to compile with a higher node version. After running `npm -i` you'll need to make two manual changes: ## postprocess postprocess is used in rollup.config.js. However, the version available on npmjs does not work, after installing packages you need this update: `npm install brettz9/rollup-plugin-postprocess#update --save-dev`` More info here: https://github.com/developit/rollup-plugin-postprocess/issues/10 ## colormaster 1.2.1 misses 3 plugin references after installing the package you need to update `node_modules/colormaster/package.json` adding the following to the `exports:` section: ```typescript , "./plugins/luv": { "import": "./plugins/luv.mjs", "require": "./plugins/luv.js", "default": "./plugins/luv.mjs" }, "./plugins/uvw": { "import": "./plugins/uvw.mjs", "require": "./plugins/uvw.js", "default": "./plugins/uvw.mjs" }, "./plugins/ryb": { "import": "./plugins/ryb.mjs", "require": "./plugins/ryb.js", "default": "./plugins/ryb.mjs" } ```