Add eslint rules to avoid misuse of promises/await, fix one issue it …

…found (langchain-ai#60)

* Update hnswlib, fix missing await/return, fix index resize, add test for addTexts/resize

* Add two eslint rules to avoid misuse of promises/await

* Fix missing await in BaseChain.call

.vscode/settings.json

@@ -1,4 +1,9 @@
 {
+  "eslint.workingDirectories": [
+    "./langchain",
+    "./examples",
+    "./docs",
+  ],
   "yaml.schemas": {
     "https://json.schemastore.org/github-workflow.json": "./.github/workflows/deploy.yml"
   }

langchain/.eslintrc.js

@@ -8,16 +8,19 @@ module.exports = {
   parserOptions: {
     ecmaVersion: 12,
     parser: "@typescript-eslint/parser",
+    project: "./tsconfig.json",
     sourceType: "module",
   },
   plugins: ["@typescript-eslint"],
-  ignorePatterns: ["dist", "docs", "node_modules"],
+  ignorePatterns: ["dist", "docs", "node_modules", "*.d.ts", "*.js", "*.mjs"],
   rules: {
     "@typescript-eslint/explicit-module-boundary-types": 0,
     "@typescript-eslint/no-empty-function": 0,
     "@typescript-eslint/no-shadow": 0,
     "@typescript-eslint/no-use-before-define": ["error", "nofunc"],
     "@typescript-eslint/no-unused-vars": ["warn", { args: "none" }],
+    "@typescript-eslint/no-floating-promises": "error",
+    "@typescript-eslint/no-misused-promises": "error",
     camelcase: 0,
     "class-methods-use-this": 0,
     "import/extensions": 0,

langchain/.prettierignore

@@ -1,2 +1,3 @@
 dist/
-docs/
+docs/
+*.d.ts

langchain/chains/base.ts

@@ -64,7 +64,7 @@ export abstract class BaseChain implements ChainInputs {
     // TODO(sean) add callback support
     const outputValues = this._call(fullValues);
     if (!(this.memory == null)) {
-      this.memory.saveContext(values, outputValues);
+      await this.memory.saveContext(values, outputValues);
     }
     return outputValues;
   }

langchain/package.json

@@ -122,4 +122,4 @@
     "embeddings",
     "vectorstores"
   ]
-}
+}

langchain/tsconfig.json

@@ -23,8 +23,7 @@
   "exclude": [
     "node_modules/",
     "dist/",
-    "docs/",
-    "tests/"
+    "docs/"
   ],
   "include": [
     "./"