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import { builtinModules } from 'node:module';
// copied from vite
// https://github.com/vitejs/vite/blob/814120f2ad387ca3d1e16c7dd403b04ca4b97f75/packages/vite/src/node/utils.ts#L106
// Supported by Node, Deno, Bun
const NODE_BUILTIN_NAMESPACE = "node:";
// Supported by Deno
const NPM_BUILTIN_NAMESPACE = "npm:";
// Supported by Bun
const BUN_BUILTIN_NAMESPACE = "bun:";
// Some runtimes like Bun injects namespaced modules here, which is not a node builtin
const nodeBuiltins = builtinModules.filter((id) => !id.includes(":"));
const { bun: isBun, deno: isDeno } = process.versions;
// TODO: Use `isBuiltin` from `node:module`, but Deno doesn't support it
function isBuiltin(id) {
if (isDeno && id.startsWith(NPM_BUILTIN_NAMESPACE)) return true;
if (isBun && id.startsWith(BUN_BUILTIN_NAMESPACE)) return true;
return isNodeBuiltin(id);
}
function isNodeBuiltin(id) {
if (id.startsWith(NODE_BUILTIN_NAMESPACE)) return true;
return nodeBuiltins.includes(id);
}
const browserExternalId = "__vite-browser-external";
const browserExternalLength = 24;
function isBrowserExternal(id) {
return id.startsWith(browserExternalId);
}
function toBuiltin(id) {
if (id.startsWith(browserExternalId)) id = id.slice(browserExternalLength);
if (id.startsWith(NPM_BUILTIN_NAMESPACE) || id.startsWith(BUN_BUILTIN_NAMESPACE) || id.startsWith(NODE_BUILTIN_NAMESPACE)) return id;
if (isDeno || isBun) return id;
return `node:${id}`;
}
export { isBrowserExternal as a, isBuiltin as i, toBuiltin as t };
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