earendil-works/pi · error · Error

Invalid npmCommand: first array entry must be a non-empty co

Error message

Invalid npmCommand: first array entry must be a non-empty command

What it means

Error "Invalid npmCommand: first array entry must be a non-empty command" thrown in earendil-works/pi.

Source

Thrown at packages/coding-agent/src/core/package-manager.ts:1754

		const name = match[1] ?? spec;
		const version = match[2];
		return { name, version };
	}

	private assertProjectTrustedForScope(scope: SourceScope): void {
		if (scope === "project" && !this.settingsManager.isProjectTrusted()) {
			throw new Error("Project is not trusted; refusing to access project package storage");
		}
	}

	private getNpmCommand(): { command: string; args: string[] } {
		const configuredCommand = this.settingsManager.getNpmCommand();
		if (!configuredCommand || configuredCommand.length === 0) {
			return { command: "npm", args: [] };
		}
		const [command, ...args] = configuredCommand;
		if (!command) {
			throw new Error("Invalid npmCommand: first array entry must be a non-empty command");
		}
		return { command, args };
	}

	private getPackageManagerName(): string {
		const npmCommand = this.getNpmCommand();
		const commandParts = [npmCommand.command, ...npmCommand.args];
		const separatorIndex = commandParts.lastIndexOf("--");
		const packageManagerCommand = separatorIndex >= 0 ? commandParts[separatorIndex + 1] : npmCommand.command;
		return packageManagerCommand ? basename(packageManagerCommand).replace(/\.(cmd|exe)$/i, "") : "";
	}

	private async runNpmCommand(args: string[], options?: { cwd?: string }): Promise<void> {
		const npmCommand = this.getNpmCommand();
		await this.runCommand(npmCommand.command, [...npmCommand.args, ...args], options);
	}

	private getGitDependencyInstallArgs(): string[] {

View on GitHub (pinned to 4af9d21d3b)

When it happens

Trigger: Thrown at packages/coding-agent/src/core/package-manager.ts:1754 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of earendil-works/pi@4af9d21d3b (2026-08-24). Data as JSON: /api/errors/036a1660ef1ed160. Report an issue: GitHub.