| 1 | type ErrorHandlerValidation = Readonly<{
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| 2 | isValid: true;
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| 3 | message: null;
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| 4 | }> | Readonly<{
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| 5 | isValid: false;
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| 6 | message: string;
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| 7 | }>;
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| 8 | /**
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| 9 | * Validate the provided error handler to confirm that it properly re-throws
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| 10 | * errors when `Ember.testing` is true.
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| 11 | *
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| 12 | * This is intended to be used by test framework hosts (or other libraries) to
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| 13 | * ensure that `Ember.onerror` is properly configured. Without a check like
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| 14 | * this, `Ember.onerror` could _easily_ swallow all errors and make it _seem_
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| 15 | * like everything is just fine (and have green tests) when in reality
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| 16 | * everything is on fire...
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| 17 | *
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| 18 | * @public
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| 19 | * @param {Function} [callback=Ember.onerror] the callback to validate
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| 20 | * @returns {Object} object with `isValid` and `message`
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| 21 | *
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| 22 | * @example <caption>Example implementation for `ember-qunit`</caption>
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| 23 | *
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| 24 | * import { validateErrorHandler } from '@ember/test-helpers';
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| 25 | *
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| 26 | * test('Ember.onerror is functioning properly', function(assert) {
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| 27 | * let result = validateErrorHandler();
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| 28 | * assert.ok(result.isValid, result.message);
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| 29 | * });
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| 30 | */
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| 31 | export default function validateErrorHandler(callback?: ((error: Error) => unknown) | undefined): ErrorHandlerValidation;
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| 32 | export {};
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| 33 | //# sourceMappingURL=validate-error-handler.d.ts.map |
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