detect-shells/lib/fatal-error.js

Detect shells installed on a system

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.forceUnwrap = exports.assertNever = exports.fatalError = void 0;
/** Throw an error. */
function fatalError(msg) {
    throw new Error(msg);
}
exports.fatalError = fatalError;
/**
 * Utility function used to achieve exhaustive type checks at compile time.
 *
 * If the type system is bypassed or this method will throw an exception
 * using the second parameter as the message.
 *
 * @param x         Placeholder parameter in order to leverage the type
 *                  system. Pass the variable which has been type narrowed
 *                  in an exhaustive check.
 *
 * @param message   The message to be used in the runtime exception.
 *
 */
function assertNever(x, message) {
    throw new Error(message);
}
exports.assertNever = assertNever;
/**
 * Unwrap a value that, according to the type system, could be null or
 * undefined, but which we know is not. If the value _is_ null or undefined,
 * this will throw. The message should contain the rationale for knowing the
 * value is defined.
 */
function forceUnwrap(message, x) {
    if (x == null) {
        return fatalError(message);
    }
    else {
        return x;
    }
}
exports.forceUnwrap = forceUnwrap;