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rollup.config.js
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rollup.config.js
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import fs from 'fs';
import replace from '@rollup/plugin-replace';
import resolve from '@rollup/plugin-node-resolve';
import commonjs from '@rollup/plugin-commonjs';
import json from '@rollup/plugin-json';
import sucrase from '@rollup/plugin-sucrase';
import typescript from '@rollup/plugin-typescript';
import pkg from './package.json';
const is_publish = !!process.env.PUBLISH;
const ts_plugin = is_publish
? typescript({
include: 'src/**',
typescript: require('typescript')
})
: sucrase({
transforms: ['typescript']
});
const external = id => id.startsWith('svelte/');
fs.writeFileSync(`./compiler.d.ts`, `export { compile, parse, preprocess, VERSION } from './types/compiler/index';`);
export default [
/* runtime */
{
input: `src/runtime/index.ts`,
output: [
{
file: `index.mjs`,
format: 'esm',
paths: id => id.startsWith('svelte/') && `${id.replace('svelte', '.')}`
},
{
file: `index.js`,
format: 'cjs',
paths: id => id.startsWith('svelte/') && `${id.replace('svelte', '.')}`
}
],
external,
plugins: [ts_plugin]
},
...fs.readdirSync('src/runtime')
.filter(dir => fs.statSync(`src/runtime/${dir}`).isDirectory())
.map(dir => ({
input: `src/runtime/${dir}/index.ts`,
output: [
{
file: `${dir}/index.mjs`,
format: 'esm',
paths: id => id.startsWith('svelte/') && `${id.replace('svelte', '..')}`
},
{
file: `${dir}/index.js`,
format: 'cjs',
paths: id => id.startsWith('svelte/') && `${id.replace('svelte', '..')}`
}
],
external,
plugins: [
replace({
__VERSION__: pkg.version
}),
ts_plugin,
{
writeBundle(bundle) {
if (dir === 'internal') {
const mod = bundle['index.mjs'];
if (mod) {
fs.writeFileSync('src/compiler/compile/internal_exports.ts', `// This file is automatically generated\nexport default new Set(${JSON.stringify(mod.exports)});`);
}
}
fs.writeFileSync(`${dir}/package.json`, JSON.stringify({
main: './index',
module: './index.mjs',
types: './index.d.ts'
}, null, ' '));
fs.writeFileSync(`${dir}/index.d.ts`, `export * from '../types/runtime/${dir}/index';`);
}
}
]
})),
/* compiler.js */
{
input: 'src/compiler/index.ts',
plugins: [
replace({
__VERSION__: pkg.version
}),
resolve(),
commonjs({
include: ['node_modules/**']
}),
json(),
ts_plugin
],
output: [
{
file: 'compiler.js',
format: is_publish ? 'umd' : 'cjs',
name: 'svelte',
sourcemap: true,
},
{
file: 'compiler.mjs',
format: 'esm',
name: 'svelte',
sourcemap: true,
}
],
external: is_publish
? []
: id => id === 'acorn' || id === 'magic-string' || id.startsWith('css-tree')
}
];