Add @typescript-eslint/parser and typescript-eslint to user tests (#119)

Author: JoshuaKGoldberg

userTests/typescript-eslint-parser/fixtures/project/file.ts

@@ -0,0 +1 @@
+export const something = () => {};

userTests/typescript-eslint-parser/fixtures/project/something.ts

@@ -0,0 +1,3 @@
+{
+  "compilerOptions": { "types": ["node"] }
+}

userTests/typescript-eslint-parser/fixtures/project/tsconfig.json

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+import * as parser from "@typescript-eslint/parser";
+import * as path from "path";
+
+const code = `
+import { something } from '__PLACEHOLDER__';
+
+something();
+`;
+
+const fixturesDirectory = path.resolve(__dirname, "fixtures");
+const projectDirectory = path.resolve(fixturesDirectory, "project");
+
+parser
+  .parseAndGenerateServices(code, {
+    comment: true,
+    filePath: path.resolve(projectDirectory, "file.ts"),
+    loc: true,
+    moduleResolver: path.resolve(fixturesDirectory, "./moduleResolver.js"),
+    project: "./tsconfig.json",
+    range: true,
+    tokens: true,
+    tsconfigRootDir: projectDirectory,
+  })
+  .services.program.getSemanticDiagnostics();

userTests/typescript-eslint-parser/index.ts

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+{
+  "name": "typescript-eslint-parser-test",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "author": "",
+  "license": "Apache-2.0",
+  "dependencies": {
+    "@typescript-eslint/parser": "latest",
+    "typescript": "latest"
+  }
+}

userTests/typescript-eslint-parser/package.json

@@ -0,0 +1,6 @@
+{
+  "compilerOptions": {
+    "strict": true,
+    "types": []
+  }
+}

userTests/typescript-eslint-parser/tsconfig.json

@@ -0,0 +1,4 @@
+{
+  "cloneUrl": "https://github.com/typescript-eslint/typescript-eslint.git",
+  "types": []
+}