mirror of https://github.com/sveltejs/svelte
gtmnayan
3 years ago
parent
d1a972217e
commit
bbd97b2da5
@ -1,182 +1,157 @@
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import fs from 'node:fs';
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import { createRequire } from 'node:module';
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import replace from '@rollup/plugin-replace';
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import resolve from '@rollup/plugin-node-resolve';
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import commonjs from '@rollup/plugin-commonjs';
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import json from '@rollup/plugin-json';
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import sucrase from '@rollup/plugin-sucrase';
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import typescript from '@rollup/plugin-typescript';
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import fs from "node:fs";
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import { createRequire } from "node:module";
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import replace from "@rollup/plugin-replace";
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import resolve from "@rollup/plugin-node-resolve";
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import commonjs from "@rollup/plugin-commonjs";
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import json from "@rollup/plugin-json";
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import sucrase from "@rollup/plugin-sucrase";
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import typescript from "@rollup/plugin-typescript";
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const require = createRequire(import.meta.url);
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const pkg = JSON.parse(fs.readFileSync('package.json', 'utf-8'));
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const pkg = JSON.parse(fs.readFileSync("package.json", "utf-8"));
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const is_publish = !!process.env.PUBLISH;
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const ts_plugin = is_publish
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? typescript({
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typescript: require('typescript')
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})
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typescript: require("typescript"),
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})
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: sucrase({
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transforms: ['typescript']
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});
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transforms: ["typescript"],
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});
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// The following external and path logic is necessary so that the bundled runtime pieces and the index file
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// reference each other correctly instead of bundling their references to each other
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fs.writeFileSync(
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`./compiler.d.ts`,
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`export { compile, parse, preprocess, walk, VERSION } from './types/compiler/index';`
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);
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/**
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* Ensures that relative imports inside `src/runtime` like `./internal` and `../store` are externalized correctly
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*/
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const external = (id, parent_id) => {
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const parent_segments = parent_id.replace(/\\/g, '/').split('/');
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// TODO needs to be adjusted when we move to JS modules
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if (parent_segments[parent_segments.length - 3] === 'runtime') {
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return /\.\.\/\w+$/.test(id);
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} else {
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return id === './internal' && parent_segments[parent_segments.length - 2] === 'runtime';
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}
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}
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/**
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* Transforms externalized import paths like `../store` into correct relative imports with correct index file extension import
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*/
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const replace_relative_svelte_imports = (id, ending) => {
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id = id.replace(/\\/g, '/');
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// TODO needs to be adjusted when we move to JS modules
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return /src\/runtime\/\w+$/.test(id) && `../${id.split('/').pop()}/${ending}`;
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}
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const runtime_entrypoints = Object.fromEntries(
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fs
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.readdirSync("src/runtime", { withFileTypes: true })
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.filter((dirent) => dirent.isDirectory())
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.map((dirent) => [dirent.name, `src/runtime/${dirent.name}/index.ts`])
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);
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/**
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* Transforms externalized `./internal` import path into correct relative import with correct index file extension import
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* @type {import("rollup").RollupOptions[]}
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*/
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const replace_relative_internal_import = (id, ending) => {
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id = id.replace(/\\/g, '/');
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// TODO needs to be adjusted when we move to JS modules
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return id.endsWith('src/runtime/internal') && `./internal/${ending}`;
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}
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fs.writeFileSync(`./compiler.d.ts`, `export { compile, parse, preprocess, walk, VERSION } from './types/compiler/index';`);
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export default [
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/* runtime */
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{
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input: `src/runtime/index.ts`,
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output: [
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{
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file: `index.mjs`,
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format: 'esm',
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paths: id => replace_relative_internal_import(id, 'index.mjs')
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},
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{
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file: `index.js`,
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format: 'cjs',
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paths: id => replace_relative_internal_import(id, 'index.js')
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}
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],
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external,
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plugins: [ts_plugin]
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},
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input: {
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...runtime_entrypoints,
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index: "src/runtime/index.ts",
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ssr: "src/runtime/ssr.ts",
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},
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output: ["esm", "cjs"].map((format) => {
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const ext = format === "esm" ? "mjs" : "cjs";
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return {
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entryFileNames: (entry) => {
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if (entry.isEntry) {
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if (entry.name === "index") return `index.${ext}`;
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else if (entry.name === "ssr") return `ssr.${ext}`;
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{
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input: `src/runtime/ssr.ts`,
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output: [
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{
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file: `ssr.mjs`,
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format: 'esm',
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paths: id => replace_relative_internal_import(id, 'index.mjs')
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},
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{
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file: `ssr.js`,
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format: 'cjs',
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paths: id => replace_relative_internal_import(id, 'index.js')
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}
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],
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external,
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plugins: [ts_plugin]
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},
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...fs.readdirSync('src/runtime')
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.filter(dir => fs.statSync(`src/runtime/${dir}`).isDirectory())
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.map(dir => ({
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input: `src/runtime/${dir}/index.ts`,
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output: [
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{
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file: `${dir}/index.mjs`,
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format: 'esm',
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paths: id => replace_relative_svelte_imports(id, 'index.mjs')
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return `${entry.name}/index.${ext}`;
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}
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},
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{
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file: `${dir}/index.js`,
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format: 'cjs',
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paths: id => replace_relative_svelte_imports(id, 'index.js')
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}
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],
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external,
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plugins: [
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replace({
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__VERSION__: pkg.version
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}),
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ts_plugin,
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{
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writeBundle(_options, bundle) {
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if (dir === 'internal') {
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const mod = bundle['index.mjs'];
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manualChunks: (id) => {
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if (id.endsWith("internal/index.ts")) return "internal";
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},
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format,
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dir: ".",
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};
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}),
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plugins: [
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replace({
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preventAssignment: true,
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values: {
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__VERSION__: pkg.version,
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},
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}),
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,
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ts_plugin,
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{
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writeBundle(_options, bundle) {
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for (const [_, entry] of Object.entries(bundle)) {
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let dir = entry.name;
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if (!entry.isEntry || !runtime_entrypoints[dir]) continue;
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if (dir === "internal") {
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const mod = bundle[`internal/index.mjs`];
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if (mod) {
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fs.writeFileSync('src/compiler/compile/internal_exports.ts', `// This file is automatically generated\nexport default new Set(${JSON.stringify(mod.exports)});`);
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fs.writeFileSync(
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"src/compiler/compile/internal_exports.ts",
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`// This file is automatically generated\nexport default new Set(${JSON.stringify(
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mod.exports
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)});`
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);
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}
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}
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fs.writeFileSync(`${dir}/package.json`, JSON.stringify({
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main: './index',
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module: './index.mjs',
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types: './index.d.ts'
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}, null, ' '));
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fs.writeFileSync(
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`${dir}/package.json`,
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JSON.stringify(
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{
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main: "./index",
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module: "./index.mjs",
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types: "./index.d.ts",
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},
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null,
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" "
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)
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);
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fs.writeFileSync(`${dir}/index.d.ts`, `export * from '../types/runtime/${dir}/index';`);
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fs.writeFileSync(
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`${dir}/index.d.ts`,
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`export * from '../types/runtime/${dir}/index';`
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);
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}
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}
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]
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})),
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},
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},
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],
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},
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/* compiler.js */
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{
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input: 'src/compiler/index.ts',
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input: "src/compiler/index.ts",
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plugins: [
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replace({
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__VERSION__: pkg.version,
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'process.env.NODE_DEBUG': false // appears inside the util package
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preventAssignment: true,
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values: {
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__VERSION__: pkg.version,
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"process.env.NODE_DEBUG": false, // appears inside the util package
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},
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}),
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{
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resolveId(id) {
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// util is a built-in module in Node.js, but we want a self-contained compiler bundle
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// that also works in the browser, so we load its polyfill instead
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if (id === 'util') {
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return require.resolve('./node_modules/util'); // just 'utils' would resolve this to the built-in module
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if (id === "util") {
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return require.resolve("./node_modules/util"); // just 'utils' would resolve this to the built-in module
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}
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}
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},
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},
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resolve(),
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commonjs({
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include: ['node_modules/**']
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include: ["node_modules/**"],
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}),
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json(),
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ts_plugin
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ts_plugin,
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],
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output: [
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{
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file: 'compiler.js',
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format: is_publish ? 'umd' : 'cjs',
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name: 'svelte',
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file: "compiler.mjs",
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format: "esm",
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name: "svelte",
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sourcemap: true,
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},
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{
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file: 'compiler.mjs',
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format: 'esm',
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name: 'svelte',
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file: "compiler.cjs",
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format: is_publish ? "umd" : "cjs",
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name: "svelte",
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sourcemap: true,
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}
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},
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],
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external: is_publish
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? []
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: id => id === 'acorn' || id === 'magic-string' || id.startsWith('css-tree')
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}
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: (id) =>
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id === "acorn" || id === "magic-string" || id.startsWith("css-tree"),
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},
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];
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