chore: add tsconfig and build for e2e

This was previously implicit and depended on a the root build. This
clashes with my attempts to update the typescript version, so I am
scoping the e2e tests to their own build.

package.json

@@ -17,11 +17,11 @@
     "url": "https://github.com/NomicFoundation/hardhat-vscode/issues"
   },
   "scripts": {
-    "build": "tsc -b ./client/tsconfig.json && tsc -b ./server/tsconfig.build.json && tsc -b ./coc/tsconfig.json && tsc -b",
+    "build": "tsc -b ./client/tsconfig.json && tsc -b ./server/tsconfig.build.json && tsc -b ./coc/tsconfig.json",
     "watch": "concurrently -n client,server \"tsc -b -w ./client/tsconfig.json\" \"tsc -b -w ./server/tsconfig.build.json\"",
     "test:unit": "npm -w server run test",
     "test:protocol": "npm -w test/protocol run test",
-    "test:e2e": "npm run build && node ./out/test/runTests.js",
+    "test:e2e": "npm -w test/e2e run test",
     "test": "npm run test:unit && npm run test:protocol && npm run test:e2e",
     "test:coverage": "npm -w server run test:coverage",
     "test:codecov": "npm -w server run test:codecov",

test/e2e/.eslintrc.js

@@ -0,0 +1,21 @@
+/** @type {import('eslint').Linter.Config} */
+module.exports = {
+  root: true,
+  extends: [`../../.eslintrc.js`],
+  parserOptions: {
+    project: `${__dirname}/tsconfig.json`,
+    sourceType: "module",
+  },
+  overrides: [
+    {
+      files: ["**/*.ts"],
+      rules: {
+        "@typescript-eslint/no-floating-promises": "error",
+        "@typescript-eslint/no-unused-vars": "warn",
+        "@typescript-eslint/no-empty-function": "warn",
+        "@typescript-eslint/no-non-null-assertion": "off",
+        "no-empty": "warn",
+      },
+    },
+  ],
+};

test/e2e/.gitignore

@@ -0,0 +1 @@
+out

test/e2e/package.json

@@ -3,6 +3,9 @@
   "version": "1.0.0",
   "private": true,
   "scripts": {
-    "postinstall": "cd ./projects/main && npm install"
+    "postinstall": "cd ./projects/main && npm install",
+    "pretest": "tsc -b ./tsconfig.json",
+    "test": "node ./out/src/runTests.js",
+    "clean": "rimraf out .nyc_output coverage *.tsbuildinfo"
   }
 }

test/runTests.ts → test/e2e/src/runTests.ts

@@ -1,22 +1,24 @@
 import * as path from "path";
 import { runTests } from "@vscode/test-electron";
 
-(async () => {
+const main = async () => {
   try {
     // The folder containing the Extension Manifest package.json
     // Passed to `--extensionDevelopmentPath`
     const extensionDevelopmentPath = path.resolve(
       __dirname,
       "..",
       "..",
+      "..",
+      "..",
       "client"
     );
 
     // The path to test runner
     // Passed to --extensionTestsPath
-    const extensionTestsPath = path.resolve(__dirname, "e2e", "index");
+    const extensionTestsPath = path.resolve(__dirname, "index");
 
-    const folder = path.resolve(__dirname, "..", "..", "test", "e2e");
+    const folder = path.resolve(__dirname, "..", "..", "..", "e2e");
 
     // Download VS Code, unzip it and run the e2e test
     await runTests({
@@ -39,4 +41,10 @@ import { runTests } from "@vscode/test-electron";
     console.error("Failed to run tests, err:", err);
     process.exitCode = 1;
   }
-})();
+};
+
+main().catch((err) => {
+  // eslint-disable-next-line no-console
+  console.error("Failed to run tests, err:", err);
+  process.exitCode = 1;
+});

test/e2e/tsconfig.json

@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "target": "es2016" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
+    "module": "commonjs" /* Specify what module code is generated. */,
+    "resolveJsonModule": true /* Enable importing .json files. */,
+    "outDir": "./out" /* Specify an output folder for all emitted files. */,
+    "esModuleInterop": true /* Emit additional JavaScript to ease support for importing CommonJS modules. This enables 'allowSyntheticDefaultImports' for type compatibility. */,
+    "forceConsistentCasingInFileNames": true /* Ensure that casing is correct in imports. */,
+    "strict": true /* Enable all strict type-checking options. */,
+    "skipLibCheck": true /* Skip type checking all .d.ts files. */
+  },
+  "include": ["src", "projects/main"]
+}