Function isEnvironmentVariableAssignment

src/utils/bash/bashPipeCommand.ts:219–221

* Checks if a string is an environment variable assignment (VAR=value) * Environment variable names must start with letter or underscore, * followed by letters, numbers, or underscores

(str: string)

 * followed by letters, numbers, or underscores
 */
function isEnvironmentVariableAssignment(str: string): boolean {
  return /^[A-Za-z_][A-Za-z0-9_]*=/.test(str)
}

/**
 * Checks if an operator is a command separator that starts a new command context.