23 lines
537 B
JavaScript
23 lines
537 B
JavaScript
|
/**
|
||
|
|
* @fileoverview Assertion utilities equivalent to the Node.js node:asserts module.
|
||
|
|
* @author Josh Goldberg
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Throws an error if the input is not truthy.
|
||
|
|
* @param {unknown} value The input that is checked for being truthy.
|
||
|
|
* @param {string} message Message to throw if the input is not truthy.
|
||
|
|
* @returns {void}
|
||
|
|
* @throws {Error} When the condition is not truthy.
|
||
|
|
*/
|
||
|
|
function ok(value, message = "Assertion failed.") {
|
||
|
|
if (!value) {
|
||
|
|
throw new Error(message);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
module.exports = ok;
|