Commands

Helper functions for checking if commands exist.

Functions

commandExists()

function commandExists(commandName): Promise<boolean>

Defined in: functions/commands.ts:14

Helper function to check if a specific command exists on the system by attempting to resolve it with the "which" npm library.

Parameters

Parameter	Type
commandName	string

Returns

Promise<boolean>

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getPythonCommand()

Call Signature

function getPythonCommand(fatal): Promise<"python" | "python3">

Defined in: functions/commands.ts:33

Helper function to get the locally installed Python command. In most cases, this will be "python", but on Ubuntu it will be "python3" (for legacy reasons). This is necessary to know if JavaScript/TypeScript is launching Python.

Returns undefined if Python is not installed on the system.

Parameters

Parameter	Type	Description
fatal	true	Whether to exit the program if Python is not found.

Returns

Promise<"python" | "python3">

Call Signature

function getPythonCommand(fatal): Promise<undefined | "python" | "python3">

Defined in: functions/commands.ts:36

Helper function to get the locally installed Python command. In most cases, this will be "python", but on Ubuntu it will be "python3" (for legacy reasons). This is necessary to know if JavaScript/TypeScript is launching Python.

Returns undefined if Python is not installed on the system.

Parameters

Parameter	Type	Description
fatal	false	Whether to exit the program if Python is not found.

Returns

Promise<undefined | "python" | "python3">