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rollup.config.mjs
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rollup.config.mjs
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import { babel } from "@rollup/plugin-babel";
import { nodeResolve } from "@rollup/plugin-node-resolve";
import commonjs from "@rollup/plugin-commonjs";
import fileSize from "rollup-plugin-filesize";
import typescript from "rollup-plugin-typescript2";
import { readFile } from "fs/promises";
const jsonText = await readFile("./package.json", "utf8");
const libraryName = JSON.parse(jsonText).name || "my-project";
export default {
input: "src/index.ts",
output: [
{
file: `./dist/${libraryName}.cjs`,
format: "cjs",
},
{
file: `./dist/${libraryName}.mjs`,
format: "esm",
},
],
plugins: [
typescript({
tsconfigDefaults: {
include: ["src/**/*.ts"],
compilerOptions: {
declaration: true,
},
},
}),
nodeResolve(),
commonjs(),
babel({
babelHelpers: "bundled",
presets: ["@babel/preset-env"],
}),
fileSize(),
],
};