add missing dependencies to repo-tools

Signed-off-by: Juan Pablo Garcia Ripa <juanpablog@spotify.com>

packages/repo-tools/package.json

@@ -37,6 +37,7 @@
     "@microsoft/api-extractor": "^7.23.0",
     "@microsoft/api-extractor-model": "^7.17.2",
     "@microsoft/tsdoc": "0.14.1",
+    "@microsoft/tsdoc-config": "0.16.1",
     "chalk": "^4.0.0",
     "commander": "^9.1.0",
     "fs-extra": "10.1.0",
@@ -51,6 +52,16 @@
     "@types/mock-fs": "^4.13.0",
     "mock-fs": "^5.1.0"
   },
+  "peerDependencies": {
+    "@rushstack/node-core-library": "*",
+    "prettier": "^2.8.1",
+    "typescript": "> 3.0.0"
+  },
+  "peerDependenciesMeta": {
+    "prettier": {
+      "optional": true
+    }
+  },
   "files": [
     "bin",
     "dist/**/*.js"

packages/repo-tools/src/commands/api-reports/api-extractor.ts

@@ -22,7 +22,7 @@ import {
   join,
 } from 'path';
 import { execFile } from 'child_process';
-import prettier from 'prettier';
+import type prettierType from 'prettier';
 import fs from 'fs-extra';
 import {
   Extractor,
@@ -211,10 +211,19 @@ ApiReportGenerator.generateReviewFileContent =
       collector,
       ...moreArgs,
     );
-    return prettier.format(content, {
-      ...require('@spotify/prettier-config'),
-      parser: 'markdown',
-    });
+
+    try {
+      const prettier = require('prettier') as typeof prettierType;
+
+      const config = prettier.resolveConfig.sync(cliPaths.targetRoot) ?? {};
+      return prettier.format(content, {
+        ...config,
+        parser: 'markdown',
+      });
+    } catch (e) {
+      // console.warn('Failed to format API report with prettier', e);
+      return content;
+    }
   };
 
 export async function createTemporaryTsConfig(includedPackageDirs: string[]) {