chore: use js-yaml instead of yaml as it's much faster on config read. (#255)

Author: kalenkevich

dev/package.json

@@ -55,22 +55,22 @@
   "dependencies": {
     "@clack/prompts": "^0.11.0",
     "@google/adk": "^0.6.1",
-    "camelcase-keys": "^6.2.2",
     "@mikro-orm/mariadb": "^6.6.6",
     "@mikro-orm/mssql": "^6.6.6",
     "@mikro-orm/mysql": "^6.6.6",
     "@mikro-orm/postgresql": "^6.6.6",
     "@mikro-orm/sqlite": "^6.6.6",
+    "camelcase-keys": "^6.2.2",
     "commander": "^14.0.0",
     "cors": "^2.8.5",
     "dotenv": "^17.2.3",
     "esbuild": "^0.25.9",
     "esbuild-shim-plugin": "^1.0.3",
     "express": "^4.21.2",
     "fast-glob": "^3.3.3",
+    "js-yaml": "^4.1.1",
     "ts-graphviz": "^1.0.1",
     "winston": "^3.19.0",
-    "yaml": "^2.8.3",
     "zod": "^4.2.1"
   }
 }

dev/src/conformance/yaml_agent_loader.ts

@@ -6,9 +6,9 @@
 
 import camelcaseKeys from 'camelcase-keys';
 import fg from 'fast-glob';
+import yaml from 'js-yaml';
 import * as fs from 'node:fs/promises';
 import * as path from 'node:path';
-import {parse} from 'yaml';
 import {AgentToolArgs, YamlAgentConfig} from '../integration/agent_types.js';
 
 /**
@@ -28,7 +28,7 @@ export async function batchLoadYamlAgentConfig(
   for await (const file of files) {
     const filePath = (file as string).replaceAll('\\', '/');
     const content = await fs.readFile(filePath, 'utf-8');
-    const agentConfig = camelcaseKeys(parse(content), {
+    const agentConfig = camelcaseKeys(yaml.load(content) as YamlAgentConfig, {
       deep: true,
     }) as YamlAgentConfig;
 

package-lock.json

@@ -40,6 +40,7 @@
     "@eslint/js": "^9.37.0",
     "@secretlint/secretlint-rule-pattern": "^11.3.1",
     "@secretlint/secretlint-rule-preset-recommend": "^11.3.1",
+    "@types/js-yaml": "^4.0.9",
     "@types/node": "^20.12.7",
     "@vitest/coverage-v8": "^3.2.4",
     "concurrently": "^9.2.1",