use local pkg for CI

.circleci/config.yml

@@ -24,7 +24,7 @@ jobs:
           key: v1-deps-{{ checksum "yarn.lock" }}
           paths:
             - node_modules
-      - run: NX_BIN_URL=http://127.0.0.1:8080/assets/js NX_WASM_URL=http://127.0.0.1:8080/assets/js yarn build:production
+      - run: NX_BIN_URL=http://127.0.0.1:8080/assets/js NX_WASM_URL=http://127.0.0.1:8080/assets/js NX_NPM_URL=http://localhost:9090/ yarn build:production
       - run: yarn nx build remix-ide-e2e-src-local-plugin & yarn run build:libs
       - run: yarn nx run debugger:build:production
       - run: yarn nx run solidity-compiler:build:production
@@ -74,6 +74,7 @@ jobs:
       - run: cd dist/libs/remix-tests && yarn add @remix-project/remix-simulator ../../libs/remix-simulator
       - run: cd dist/libs/remix-tests && ./bin/remix-tests ./../../../libs/remix-tests/tests/examples_0/assert_ok_test.sol
       - run: node dist/libs/remix-tests/bin/remix-tests ./libs/remix-tests/tests/examples_0/assert_ok_test.sol
+      - run: http-server -p 9090 --cors='*' ./node_modules
       - run: yarn run test:libs
 
   remix-ide-browser:
@@ -132,6 +133,7 @@ jobs:
           name: Start Selenium
           command: yarn run selenium
           background: true
+      - run: http-server -p 9090 --cors='*' ./node_modules
       - run: ./apps/remix-ide/ci/<< parameters.script >> << parameters.browser >> << parameters.jobsize >> << parameters.job >>
       - store_test_results:
           path: ./reports/tests
@@ -178,6 +180,7 @@ jobs:
           name: Start Selenium
           command: yarn run selenium
           background: true
+      - run: http-server -p 9090 --cors='*' ./node_modules
       - run: ./apps/remix-ide/ci/<< parameters.script >>
       - store_test_results:
           path: ./reports/tests

libs/remix-url-resolver/src/resolve.ts

@@ -128,9 +128,10 @@ export class RemixURLResolver {
   * @param url The url of the NPM import statement
   */
   async handleNpmImport (url: string): Promise<HandlerResponse> {
+    const NX_NPM_URL: string = process && process.env && process.env['NX_NPM_URL'] ? process.env['NX_NPM_URL'] : 'https://unpkg.com/'
     // eslint-disable-next-line no-useless-catch
     try {
-      const req = 'https://unpkg.com/' + url
+      const req = NX_NPM_URL + url
       const response: AxiosResponse = await axios.get(req, { transformResponse: [] })
       return { content: response.data, cleanUrl: url }
     } catch (e) {