shareon/rollup.config.js

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import license from 'rollup-plugin-license';
import postcss from 'rollup-plugin-postcss';
import postcssPluginBanner from 'postcss-banner';
import postcssPluginCssnano from 'cssnano';
import strip from '@rollup/plugin-strip';
import { terser } from 'rollup-plugin-terser';
import typescript from '@rollup/plugin-typescript';
const isDev = process.env.ROLLUP_WATCH || process.env.NODE_ENV === 'development';
const pkg = require('./package.json');
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const outputDir = isDev ? './dev/' : './dist/';
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const bannerText = `${pkg.name} v${pkg.version} by Nikita Karamov\n${pkg.homepage}`;
/**
* Plugins to build the project
*
* @type {Plugin[]}
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*/
const plugins = [
typescript(),
];
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if (!isDev) {
plugins.push(strip({
debugger: true,
include: ['**/*.js', '**/*.ts'],
functions: ['console.log', 'console.debug', 'assert.*'],
sourceMap: false,
}));
plugins.push(license({
banner: {
commentStyle: 'ignored',
content: bannerText,
},
}));
}
plugins.push(postcss({
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extract: `${pkg.name}.min.css`,
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plugins: [
(!isDev) && postcssPluginCssnano({
preset: 'default',
}),
postcssPluginBanner({
banner: bannerText,
important: true,
}),
],
}));
/**
* @typedef {import('rollup').OutputOptions} OutputOptions
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*/
/**
*
* @param {string} baseDir base directory for the output files
* @return {OutputOptions[]} array of outputs
*/
const getOutputs = (baseDir) => {
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const defaultParameters = {
name: pkg.name,
exports: 'default',
};
const result = [];
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if (isDev) {
result.push({
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...defaultParameters,
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format: 'iife',
file: `${baseDir}${pkg.name}.js`,
});
} else {
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result.push({
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...defaultParameters,
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format: 'cjs',
file: `${baseDir}${pkg.name}.cjs`,
});
result.push({
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...defaultParameters,
format: 'esm',
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file: `${baseDir}${pkg.name}.mjs`,
});
result.push({
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...defaultParameters,
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format: 'iife',
file: `${baseDir}${pkg.name}.min.js`,
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plugins: [terser({ output: { comments: false } })],
});
}
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return result;
};
const config = [
{
input: './src/autoinit.ts',
output: getOutputs(`${outputDir}`),
plugins,
},
{
input: './src/shareon.ts',
output: getOutputs(`${outputDir}noinit/`),
plugins: plugins.slice(0, -1),
},
];
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export default config;