shareon/rollup.config.js

92 lines
2.1 KiB
JavaScript

import { join, resolve } from "path";
import buble from "@rollup/plugin-buble";
import strip from "@rollup/plugin-strip";
import postcss from "rollup-plugin-postcss";
import { terser } from "rollup-plugin-terser";
const autoprefixer = require("autoprefixer");
const banner = require("postcss-banner");
const calc = require("postcss-calc");
const cssnano = require("cssnano");
const cssVariables = require("postcss-css-variables");
const pkg = require("./package.json");
const isDev =
process.env.ROLLUP_WATCH || process.env.NODE_ENV === "development";
const outputDir = resolve(".", "dist");
const bannerText = `${pkg.name} v${pkg.version}`;
const postcssPlugins = [cssVariables, calc];
if (!isDev) {
postcssPlugins.push(
cssnano({
preset: "default",
}),
autoprefixer(),
banner({
banner: bannerText,
important: true,
inline: true,
})
);
}
const getPlugins = (css) => [
css &&
postcss({
extract: resolve(join(outputDir, "shareon.min.css")),
plugins: postcssPlugins,
}),
!isDev &&
strip({
debugger: true,
include: ["**/*.js"],
functions: ["console.log", "console.debug", "assert.*"],
sourceMap: false,
}),
!isDev &&
buble({
transforms: {
modules: false,
},
}),
];
const getOutput = (baseDir) => {
const defaultParameters = {
name: pkg.name,
exports: "default",
};
return [
{
...defaultParameters,
format: "iife",
file: join(baseDir, `${pkg.name}${isDev ? "" : ".min"}.js`),
plugins: isDev ? [] : [terser({ output: { comments: /^!/ } })],
banner: `/*! ${bannerText} */`,
},
!isDev && {
...defaultParameters,
format: "cjs",
file: join(baseDir, `${pkg.name}.cjs`),
banner: `/*! ${bannerText} */`,
},
!isDev && {
...defaultParameters,
format: "esm",
file: join(baseDir, `${pkg.name}.mjs`),
banner: `/*! ${bannerText} */`,
},
];
};
export default {
input: join(__dirname, "src", "index.js"),
output: getOutput(outputDir),
plugins: getPlugins(true),
};