Function getSystem

packages/qwik/src/optimizer/src/platform.ts:11–75

()

import { versions } from './versions';

export async function getSystem() {
  const sysEnv = getEnv();

  const sys: OptimizerSystem = {
    dynamicImport: (path) => {
      throw new Error(
        `Qwik Optimizer sys.dynamicImport() not implemented, trying to import: "${path}"`
      );
    },
    strictDynamicImport: (path) => {
      throw new Error(
        `Qwik Optimizer sys.strictDynamicImport() not implemented, trying to import: "${path}"`
      );
    },
    path: null as any,
    cwd: () => '/',
    os: 'unknown',
    env: sysEnv,
  };

  sys.path = createPath(sys);

  if (globalThis.IS_ESM) {
    sys.strictDynamicImport = sys.dynamicImport = (path) => import(path);
  }

  if (globalThis.IS_CJS) {
    if (sysEnv === 'node' || sysEnv === 'bun') {
      // using this api object as a way to ensure bundlers
      // do not try to inline or rewrite require()
      sys.dynamicImport = (path) => require(path);
      sys.strictDynamicImport = (path) => import(path);

      if (typeof TextEncoder === 'undefined') {
        // TextEncoder/TextDecoder needs to be on the global scope for the WASM file
        // https://nodejs.org/api/util.html#class-utiltextdecoder
        const nodeUtil: typeof import('util') = await sys.dynamicImport('node:util');
        globalThis.TextEncoder = nodeUtil.TextEncoder;
        globalThis.TextDecoder = nodeUtil.TextDecoder;
      }
    } else if (sysEnv === 'webworker' || sysEnv === 'browsermain') {
      sys.strictDynamicImport = (path) => import(path);
      sys.dynamicImport = async (path: string) => {
        const cjsRsp = await fetch(path);
        const cjsCode = await cjsRsp.text();
        const cjsModule: any = { exports: {} };
        // eslint-disable-next-line no-new-func
        const cjsRun = new Function('module', 'exports', cjsCode);
        cjsRun(cjsModule, cjsModule.exports);
        return cjsModule.exports;
      };
    }
  }
  if (sysEnv !== 'webworker' && sysEnv !== 'browsermain') {
    try {
      sys.path = await sys.dynamicImport('node:path');
      sys.cwd = () => process.cwd();
      sys.os = process.platform;