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rollup.config.ts
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rollup.config.ts
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import ttypescript from 'ttypescript'
import typescript from '@rollup/plugin-typescript'
import resolve from '@rollup/plugin-node-resolve'
import commonjs from '@rollup/plugin-commonjs'
import { RollupOptions } from 'rollup'
export default async (args: { [key: string]: true | undefined }) => {
const getParam = (param: string) => { if (!args[param]) { return } else { delete args[param]; return true } }
const getConfig = async (options: RollupOptions) => {
const outDir = Array.isArray(options.output) ? options.output[0].dir : options.output?.dir
const declaration = outDir === 'lib'
const optionsPluginsAwaited = await options.plugins || []
const optionsPlugins = Array.isArray(optionsPluginsAwaited) ? optionsPluginsAwaited : [optionsPluginsAwaited]
return {
...options,
plugins: [
typescript({
tsconfig: './tsconfig.json',
typescript: ttypescript,
outDir,
declaration,
include: 'src/**/*',
exclude: 'rollup.config.ts',
}),
resolve(),
commonjs(),
...optionsPlugins,
]
} as RollupOptions
}
const buildArray: (RollupOptions | undefined)[] = [
getParam('browser') && await getConfig({
input: 'src/index.ts',
output: { dir: 'lib', format: 'esm' },
}),
getParam('node') && await getConfig({
input: 'src/node/index.ts',
output: { dir: 'lib/node', format: 'esm' },
external: ['ws', 'open'],
}),
]
return buildArray.filter((e): e is NonNullable<typeof e> => !!e)
}