13 lines
306 B
JavaScript
13 lines
306 B
JavaScript
// @flow
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// This file is not actually executed
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// It is just used by flow for typing
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const prefix: string = 'Invariant failed';
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export default function invariant(condition: mixed, message?: string | (() => string)) {
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if (condition) {
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return;
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}
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throw new Error(`${prefix}: ${message || ''}`);
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}
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