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rollup.config.js
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rollup.config.js
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import fs from 'fs'
import path from 'path'
import typescript from 'rollup-plugin-typescript2'
import copy from 'rollup-plugin-copy'
import dts from 'rollup-plugin-dts'
import { terser } from 'rollup-plugin-terser'
const src = 'src'
const main = (pkg) => {
const copyTargets = []
const plugins = [
typescript({ useTsconfigDeclarationDir: true }),
process.env.M !== 'false' && terser(),
copy({ targets: copyTargets }),
]
const { dependencies = {}, peerDependencies = {}, main, module, types } = pkg.config
const external = (key) => {
return dependencies[key] || peerDependencies[key] || key.startsWith('./internal')
}
const basePath = path.relative(__dirname, pkg.dir)
const outputPath = path.relative(__dirname, 'dist/')
let input = path.join(basePath, `${src}/index.tsx`)
let copyPath = path.join(basePath, 'copy')
const output = []
if (fs.existsSync(copyPath)) {
copyTargets.push({ src: `${copyPath}/*`, dest: outputPath })
}
;['package.json', 'README.md'].forEach((fileName) => {
const filePath = path.join(basePath, fileName)
if (fs.existsSync(filePath)) {
copyTargets.push({ src: filePath, dest: outputPath })
}
})
if (main) {
output.push({
file: path.join(outputPath, main),
format: 'cjs',
})
}
if (module) {
output.push({
file: path.join(outputPath, module),
format: 'esm',
})
}
const results = []
results.push({
input,
output,
external,
plugins,
})
if (types) {
const typesInput = path.join('dist/ts-out', basePath, `${src}/index.d.ts`)
const typesOutput = []
if (main) typesOutput.push({ file: path.join(outputPath, 'index.d.ts'), format: 'es' })
results.push({
input: typesInput,
output: typesOutput,
external,
plugins: [dts()],
})
}
return results
}
const getPkg = (dir) => {
const config = require(path.join(__dirname, dir, '/package.json'))
return {dir, config, name: config.name}
}
export default main(getPkg('.'))