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1 change: 0 additions & 1 deletion packages/webpack-cli/src/types.ts
Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,6 @@ interface IWebpackCLI {
toKebabCase: StringFormatter;
capitalizeFirstLetter: StringFormatter;
checkPackageExists(packageName: string): boolean;
getAvailablePackageManagers(): PackageManager[];
getDefaultPackageManager(): PackageManager | undefined;
doInstall(packageName: string, options?: PackageInstallOptions): Promise<string>;
loadJSONFile<T = unknown>(path: Path, handleError: boolean): Promise<T>;
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28 changes: 2 additions & 26 deletions packages/webpack-cli/src/webpack-cli.ts
Original file line number Diff line number Diff line change
Expand Up @@ -184,33 +184,7 @@ class WebpackCLI implements IWebpackCLI {
return false;
}

getAvailablePackageManagers(): PackageManager[] {
const { sync } = require("cross-spawn");
const installers: PackageManager[] = ["npm", "yarn", "pnpm"];
const hasPackageManagerInstalled = (packageManager: PackageManager) => {
try {
sync(packageManager, ["--version"]);

return packageManager;
} catch (_err) {
return false;
}
};
const availableInstallers = installers.filter((installer) =>
hasPackageManagerInstalled(installer),
);

if (!availableInstallers.length) {
this.logger.error("No package manager found.");

process.exit(2);
}

return availableInstallers;
}

getDefaultPackageManager(): PackageManager | undefined {
const { sync } = require("cross-spawn");
const hasLocalNpm = fs.existsSync(path.resolve(process.cwd(), "package-lock.json"));

if (hasLocalNpm) {
Expand All @@ -229,6 +203,8 @@ class WebpackCLI implements IWebpackCLI {
return "pnpm";
}

const { sync } = require("cross-spawn");

try {
// the sync function below will fail if npm is not installed,
// an error will be thrown
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