Eslint upgrade

eslint.config.mjs

@@ -0,0 +1,86 @@
+import globals from "globals";
+import parser from "vue-eslint-parser";
+import typescriptEslint from "@typescript-eslint/eslint-plugin";
+import tsParser from "@typescript-eslint/parser";
+import path from "node:path";
+import {fileURLToPath} from "node:url";
+import js from "@eslint/js";
+import {FlatCompat} from "@eslint/eslintrc";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const compat = new FlatCompat({
+    baseDirectory: __dirname,
+    recommendedConfig: js.configs.recommended,
+    allConfig: js.configs.all
+});
+
+export default [...compat.extends("eslint:recommended"), {
+    languageOptions: {
+        globals: {
+            ...globals.browser,
+        },
+
+        parser: parser,
+        ecmaVersion: 5,
+        sourceType: "module",
+
+        parserOptions: {
+            parser: "babel-eslint",
+            allowImportExportEverywhere: false,
+        },
+    },
+
+    rules: {
+        "func-names": 0,
+        "no-nested-ternary": 0,
+        "max-len": 0,
+        "arrow-parens": ["error", "always"],
+        "no-underscore-dangle": 0,
+
+        "comma-dangle": ["error", {
+            arrays: "always-multiline",
+            objects: "always-multiline",
+            imports: "always-multiline",
+            exports: "always-multiline",
+            functions: "never",
+        }],
+
+        "no-use-before-define": ["error", "nofunc"],
+
+        "no-empty": ["error", {
+            allowEmptyCatch: true,
+        }],
+
+        "no-mixed-operators": ["error", {
+            allowSamePrecedence: true,
+        }],
+
+        indent: ["error", 4, {
+            flatTernaryExpressions: true,
+            SwitchCase: 1,
+        }],
+    },
+}, ...compat.extends(
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended",
+).map(config => ({
+    ...config,
+    files: ["**/*.ts"],
+})), {
+    files: ["**/*.ts"],
+
+    plugins: {
+        "@typescript-eslint": typescriptEslint,
+    },
+
+    languageOptions: {
+        parser: tsParser,
+    },
+
+    rules: {
+        "@typescript-eslint/ban-ts-comment": "warn",
+        "@typescript-eslint/no-unused-vars": "warn",
+        "@typescript-eslint/no-explicit-any": "warn",
+    },
+}];

package.json

@@ -16,11 +16,13 @@
   "scripts": {
     "build": "rm -rf lib && tsc -p tsconfig.build.json",
     "test": "tsc && mocha dist/test",
-    "lint": "eslint src --ext .ts"
+    "lint": "eslint src"
   },
   "type": "module",
   "devDependencies": {
     "@babel/eslint-parser": "^7.25.1",
+    "@eslint/eslintrc": "^3.1.0",
+    "@eslint/js": "^9.9.1",
     "@types/chai": "^4.3.18",
     "@types/memoizee": "^0.4.11",
     "@types/mocha": "^10.0.7",
@@ -29,6 +31,7 @@
     "@typescript-eslint/parser": "^8.2.0",
     "chai": "^5.1.1",
     "eslint": "^9.9.1",
+    "globals": "^15.9.0",
     "hardhat": "^2.22.10",
     "mocha": "^10.7.3",
     "typescript": "^5.5.4",

src/external-api.ts

@@ -95,7 +95,7 @@ export const _getFactoryAPYs = memoize(
         const [{data: data0}, {data: data1}] = await Promise.all([
             fetch(urlStable),
             fetch(urlCrypto),
-        ].map(r => r.then(r => r.json() as any)));
+        ].map((r) => r.then((r) => r.json() as any)));
 
         const stableVolume = data0.totalVolumeUsd || data0.totalVolume || 0;
         const cryptoVolume = data1.totalVolumeUsd || data1.totalVolume || 0;
@@ -104,12 +104,12 @@ export const _getFactoryAPYs = memoize(
             address: item.poolAddress,
             volumeUSD: item.totalVolumeUsd ?? 0,
             day: item.apy ?? 0,
-            week: item.apy * 7 ?? 0, //Because api does not return week apy
+            week: (item.apy ?? 0) * 7, //Because api does not return week apy
         }))
 
         return {
             poolsData: poolsData ?? [],
-            totalVolume: stableVolume + cryptoVolume ?? 0,
+            totalVolume: stableVolume + cryptoVolume,
             cryptoVolume: cryptoVolume ?? 0,
             cryptoShare: 100*cryptoVolume/(stableVolume + cryptoVolume) || 0,
         };

src/router.ts

@@ -259,7 +259,7 @@ const _getBestRoute = memoize(
         const [gasAmounts, outputCoinUsdRate, {data: gasData}, ethUsdRate] = await Promise.all([
             _estimateGasForDifferentRoutes(routes.map((r) => r.route), inputCoinAddress, outputCoinAddress, _amount),
             _getUsdRate(outputCoinAddress),
-            fetch("https://api.curve.fi/api/getGas").then(r => r.json() as any),
+            fetch("https://api.curve.fi/api/getGas").then((r) => r.json() as any),
             _getUsdRate(ETH_ADDRESS),
         ]);
         const gasPrice = gasData.gas.standard;