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rollup.config.ts
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rollup.config.ts
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import rollupPluginReplace from "@rollup/plugin-replace";
import rollupPluginTypescript from "@rollup/plugin-typescript";
import type { RollupOptions } from "rollup";
import rollupPluginDeassert from "rollup-plugin-deassert";
import { generateDtsBundle } from "rollup-plugin-dts-bundle-generator";
import pkg from "./package.json" with { type: "json" };
type PackageJSON = typeof pkg & {
dependencies?: Record<string, string>;
peerDependencies?: Record<string, string>;
};
const externalDependencies = [
...Object.keys((pkg as PackageJSON).dependencies ?? {}),
...Object.keys((pkg as PackageJSON).peerDependencies ?? {}),
"tsafe",
];
export default {
input: "src/index.ts",
output: [
{
file: pkg.exports.import,
format: "esm",
sourcemap: false,
plugins: [
generateDtsBundle({
compilation: {
preferredConfigPath: "tsconfig.build.types.json",
},
outFile: pkg.exports.types.import,
}) as any,
],
},
{
file: pkg.exports.require,
format: "cjs",
sourcemap: false,
plugins: [
generateDtsBundle({
compilation: {
preferredConfigPath: "tsconfig.build.types.json",
},
outFile: pkg.exports.types.require,
}) as any,
],
},
],
plugins: [
rollupPluginTypescript({
tsconfig: "tsconfig.build.json",
}),
rollupPluginReplace({
values: {
"import.meta.vitest": "undefined",
},
preventAssignment: true,
}),
rollupPluginDeassert({
include: ["**/*.{js,ts}"],
}),
],
treeshake: {
annotations: true,
moduleSideEffects: [],
propertyReadSideEffects: false,
unknownGlobalSideEffects: false,
},
external: (source) => {
if (source.startsWith("node:") || externalDependencies.some((dep) => source.startsWith(dep))) {
return true;
}
return undefined;
},
} satisfies RollupOptions;