Change build environment to jupyterlab

.yarnrc.yml

@@ -0,0 +1 @@
+nodeLinker: node-modules

babel.config.js

@@ -0,0 +1 @@
+module.exports = require("@jupyterlab/testutils/lib/babel.config");

install.json

@@ -0,0 +1,5 @@
+{
+  "packageManager": "python",
+  "packageName": "e2xgrader",
+  "uninstallInstructions": "Use your Python package manager (pip, conda, etc.) to uninstall the package e2xgrader"
+}

jest.config.js

@@ -0,0 +1,28 @@
+const jestJupyterLab = require("@jupyterlab/testutils/lib/jest-config");
+
+const esModules = [
+  "@codemirror",
+  "@jupyter/ydoc",
+  "@jupyterlab/",
+  "lib0",
+  "nanoid",
+  "vscode-ws-jsonrpc",
+  "y-protocols",
+  "y-websocket",
+  "yjs",
+].join("|");
+
+const baseConfig = jestJupyterLab(__dirname);
+
+module.exports = {
+  ...baseConfig,
+  automock: false,
+  collectCoverageFrom: [
+    "src/**/*.{ts,tsx}",
+    "!src/**/*.d.ts",
+    "!src/**/.ipynb_checkpoints/*",
+  ],
+  coverageReporters: ["lcov", "text"],
+  testRegex: "src/.*/.*.spec.ts[x]?$",
+  transformIgnorePatterns: [`/node_modules/(?!${esModules}).+`],
+};

lerna.json

@@ -1,6 +1,4 @@
 {
-  "$schema": "node_modules/lerna/schemas/lerna-schema.json",
-  "useNx": true,
-  "useWorkspaces": true,
-  "version": "0.3.0"
+  "version": "independent",
+  "$schema": "node_modules/lerna/schemas/lerna-schema.json"
 }