fix: make startFuelCore package manager agnostic

.changeset/many-carrots-draw.md

@@ -0,0 +1,5 @@
+---
+"fuels": patch
+---
+
+fix: make `startFuelCore` package manager agnostic

packages/fuels/package.json

@@ -76,6 +76,7 @@
     "handlebars": "^4.7.7",
     "joycon": "^3.1.1",
     "lodash.camelcase": "^4.3.0",
+    "npm-which": "^3.0.1",
     "portfinder": "^1.0.32",
     "rimraf": "^3.0.2",
     "toml": "^3.0.0",

packages/fuels/src/cli/commands/dev/startFuelCore.ts

@@ -6,12 +6,14 @@ import { getPortPromise } from 'portfinder';
 import treeKill from 'tree-kill';
 
 import type { FuelsConfig } from '../../types';
-import { findPackageRoot } from '../../utils/findPackageRoot';
 import { getBinarySource } from '../../utils/getBinarySource';
 import { error, log, loggingConfig } from '../../utils/logger';
 
 import { defaultChainConfig, defaultConsensusKey } from './defaultChainConfig';
 
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const npmWhich = require('npm-which')(__dirname);
+
 export type FuelCoreNode = {
   bindIp: string;
   accessIp: string;
@@ -73,8 +75,8 @@ export const startFuelCore = async (config: FuelsConfig): Promise<FuelCoreNode>
   ].flat();
 
   return new Promise((resolve, reject) => {
-    const pkgRootDir = findPackageRoot();
-    const builtInFuelsCorePath = join(pkgRootDir, 'node_modules', '.bin', 'fuels-core');
+    // This line finds the path to the built-in fuels-core binary
+    const builtInFuelsCorePath = npmWhich.sync('fuels-core');
 
     const command = config.useBuiltinFuelCore ? builtInFuelsCorePath : 'fuel-core';
     const core = spawn(command, flags, { stdio: 'pipe' });