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@augment-vir/assert

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A collection of assertions for test and production code alike.

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import { AssertionError } from '../augments/assertion.error.js'; export const assertions = { /** * Immediately throws an assertion error if ever executed. Use this to mark paths of the code * that should never be reached or executed. * * @example * * ```ts * import {assert} from '@augment-vir/assert'; * * assert.never(); // throws an error * ``` * * @throws {@link AssertionError} If ever called. */ never( /** Message to include in error message if this assertion ever runs. */ failureMessage) { throw new AssertionError('This code should not have executed.', failureMessage); }, }; export const neverGuard = { assert: assertions, assertWrap: {}, check: {}, checkWrap: {}, waitUntil: {}, };