annotate files relative to git root, instead of cwd, so that it works in nested packages in monorepos (+fix lint)

Author: PaulGiletich

.eslintrc

@@ -22,6 +22,7 @@
   "rules": {
     "@typescript-eslint/explicit-function-return-type": 0,
     "@typescript-eslint/camelcase": 0,
+    "camelcase": 0,
     "complexity": 0,
     "import/extensions": 0
   }

package.json

@@ -34,17 +34,19 @@
   },
   "dependencies": {
     "create-check": "^0.6.0",
-    "eslint-formatter-pretty": "^3.0.0"
+    "eslint-formatter-pretty": "^3.0.0",
+    "execa": "^1.0.0"
   },
   "devDependencies": {
+    "@types/execa": "^0.9.0",
     "@types/env-ci": "3.1.0",
     "@types/eslint": "6.8.0",
     "@types/lru-cache": "5.1.0",
-    "@typescript-eslint/eslint-plugin": "2.32.0",
-    "@typescript-eslint/parser": "2.32.0",
+    "@typescript-eslint/eslint-plugin": "^5.54.0",
+    "@typescript-eslint/parser": "^5.54.0",
     "auto": "^10.43.0",
     "auto-config-hipstersmoothie": "^4.0.0",
-    "eslint": "7.0.0",
+    "eslint": "^7.1.0",
     "eslint-config-airbnb": "18.1.0",
     "eslint-config-airbnb-base": "14.1.0",
     "eslint-config-prettier": "6.11.0",

src/create-check.ts

@@ -1,6 +1,7 @@
 import createCheck, { Annotation } from 'create-check';
 import path from 'path';
 import eslint from 'eslint';
+import execa from 'execa';
 
 const APP_ID = 38817;
 /**
@@ -45,7 +46,9 @@ rxXIyGcdFUjpY/U2tobjXousbYyz8/DqgDoLWXOMt2dNkbbNAN8L3OMVTGb6TzS2
 gd8URXIGc6Nk7ueWMKEZaropIg6q1J7e9qJdlzA6j1fu6vVY3qX3tA==
 -----END RSA PRIVATE KEY-----`;
 
-export function createAnnotations(results: eslint.CLIEngine.LintResult[]) {
+export async function createAnnotations(results: eslint.CLIEngine.LintResult[]) {
+  const repoRoot = (await execa('git', ['rev-parse', '--show-toplevel'])).stdout;
+
   const annotations: Annotation[] = [];
   const levels: Annotation['annotation_level'][] = [
     'notice',
@@ -61,7 +64,7 @@ export function createAnnotations(results: eslint.CLIEngine.LintResult[]) {
       const annotationLevel = levels[severity];
 
       annotations.push({
-        path: path.relative(process.cwd(), filePath),
+        path: path.relative(repoRoot, filePath),
         start_line: line,
         end_line: line,
         annotation_level: annotationLevel,
@@ -91,7 +94,7 @@ export default async (results: eslint.CLIEngine.LintResult[]) => {
   return createCheck({
     tool: 'ESLint',
     name: process.env.GH_CHECK_NAME || 'Check Code for Errors',
-    annotations: createAnnotations(results),
+    annotations: await createAnnotations(results),
     errorCount,
     warningCount,
     appId: process.env.ESLINT_APP_ID