chore(internal): migrate to eslint v9

Author: stainless-bot

.eslintrc.js

@@ -0,0 +1,42 @@
+// @ts-check
+import tseslint from 'typescript-eslint';
+import unusedImports from 'eslint-plugin-unused-imports';
+import prettier from 'eslint-plugin-prettier';
+
+export default tseslint.config(
+  {
+    languageOptions: {
+      parser: tseslint.parser,
+      parserOptions: { sourceType: 'module' },
+    },
+    files: ['**/*.ts', '**/*.mts', '**/*.cts', '**/*.js', '**/*.mjs', '**/*.cjs'],
+    ignores: ['dist/**'],
+    plugins: {
+      '@typescript-eslint': tseslint.plugin,
+      'unused-imports': unusedImports,
+      prettier,
+    },
+    rules: {
+      'no-unused-vars': 'off',
+      'prettier/prettier': 'error',
+      'unused-imports/no-unused-imports': 'error',
+      'no-restricted-imports': [
+        'error',
+        {
+          patterns: [
+            {
+              regex: '^@anthropic-ai/sdk(/.*)?',
+              message: 'Use a relative import, not a package import.',
+            },
+          ],
+        },
+      ],
+    },
+  },
+  {
+    files: ['tests/**', 'examples/**', 'packages/**'],
+    rules: {
+      'no-restricted-imports': 'off',
+    },
+  },
+);

eslint.config.mjs

@@ -30,11 +30,12 @@
     "@swc/jest": "^0.2.29",
     "@types/jest": "^29.4.0",
     "@types/node": "^20.17.6",
-    "@typescript-eslint/eslint-plugin": "^6.7.0",
-    "@typescript-eslint/parser": "^6.0.0",
-    "eslint": "^8.49.0",
-    "eslint-plugin-prettier": "^5.0.1",
-    "eslint-plugin-unused-imports": "^3.0.0",
+    "typescript-eslint": "^8.24.0",
+    "@typescript-eslint/eslint-plugin": "^8.24.0",
+    "@typescript-eslint/parser": "^8.24.0",
+    "eslint": "^9.20.1",
+    "eslint-plugin-prettier": "^5.2.3",
+    "eslint-plugin-unused-imports": "^4.1.4",
     "iconv-lite": "^0.6.3",
     "jest": "^29.4.0",
     "prettier": "^3.0.0",

package.json

@@ -8,4 +8,4 @@ for (const dep in pkgJson.dependencies) {
   }
 }
 
-fs.writeFileSync('dist/package.json', JSON.stringify(pkgJson, null, 2))
+fs.writeFileSync('dist/package.json', JSON.stringify(pkgJson, null, 2));

packages/bedrock-sdk/scripts/postprocess-dist-package-json.cjs

@@ -8,4 +8,4 @@ for (const dep in pkgJson.dependencies) {
   }
 }
 
-fs.writeFileSync('dist/package.json', JSON.stringify(pkgJson, null, 2))
+fs.writeFileSync('dist/package.json', JSON.stringify(pkgJson, null, 2));

packages/vertex-sdk/scripts/postprocess-dist-package-json.cjs

@@ -5,4 +5,4 @@ set -e
 cd "$(dirname "$0")/.."
 
 echo "==> Running eslint --fix"
-ESLINT_USE_FLAT_CONFIG="false" ./node_modules/.bin/eslint --fix --ext ts,js .
+./node_modules/.bin/eslint --fix .

scripts/format

@@ -5,7 +5,7 @@ set -e
 cd "$(dirname "$0")/.."
 
 echo "==> Running eslint"
-ESLINT_USE_FLAT_CONFIG="false" ./node_modules/.bin/eslint --ext ts,js . --ignore-pattern="packages/"
+./node_modules/.bin/eslint .
 
 echo "==> Building"
 ./scripts/build # also checks types

scripts/lint

@@ -399,24 +399,6 @@ export class BaseAnthropic {
     return url.toString();
   }
 
-  private calculateContentLength(body: unknown): string | null {
-    if (typeof body === 'string') {
-      if (typeof (globalThis as any).Buffer !== 'undefined') {
-        return (globalThis as any).Buffer.byteLength(body, 'utf8').toString();
-      }
-
-      if (typeof (globalThis as any).TextEncoder !== 'undefined') {
-        const encoder = new (globalThis as any).TextEncoder();
-        const encoded = encoder.encode(body);
-        return encoded.length.toString();
-      }
-    } else if (ArrayBuffer.isView(body)) {
-      return body.byteLength.toString();
-    }
-
-    return null;
-  }
-
   /**
    * Used as a callback for mutating the given `FinalRequestOptions` object.
    */

src/client.ts

@@ -46,7 +46,6 @@ export abstract class AbstractPage<Item> implements AsyncIterable<Item> {
   }
 
   async *iterPages(): AsyncGenerator<this> {
-    // eslint-disable-next-line @typescript-eslint/no-this-alias
     let page: this = this;
     yield page;
     while (page.hasNextPage()) {