requireEnv()function

requireEnv(name: string, caller: AnyCaller = requireEnv): string

Param	Type
`name`	`string`	Name of the environment variable to read. required
`caller`	`AnyCaller`	Function to attribute a thrown error to (defaults to `requireEnv`). Defaults to `requireEnv`

Return
`string`	The variable's string value.

Throws
`unknown`	`RequiredError` if the variable is missing or `process.env` is unsupported.

Get a process.env variable safely in all environments, or throw RequiredError if it doesn't exist or this environment does not support process.env (i.e. web environments).

Examples

requireEnv("DATABASE_URL") // "postgres://..."