rollup.config.js

import buble from "@rollup/plugin-buble";
import resolve from "@rollup/plugin-node-resolve";
import commonjs from "@rollup/plugin-commonjs";
import { terser } from "rollup-plugin-terser";

export default [
  {
    input: "src/index.js",
    external: [
      "adaptive-bezier-curve",
      "adaptive-quadractive-curve",
      "transformation-matrix",
    ],
    plugins: [buble()],
    output: {
      file: "dist/canvas-polyline.es.js",
      format: "es",
      sourcemap: true,
    },
  },
  {
    input: "src/index.js",
    plugins: [buble(), resolve(), commonjs()],
    output: {
      file: "dist/canvas-polyline.umd.js",
      name: "CanvasPolyline",
      format: "umd",
      sourcemap: true,
    },
  },
  {
    input: "src/index.js",
    plugins: [buble(), resolve(), commonjs(), terser()],
    output: {
      file: "dist/canvas-polyline.umd.min.js",
      name: "CanvasPolyline",
      format: "umd",
    },
  },
];