UntilJSPromise-based Watch for Changes

A framework-agnostic library for waiting on state changes with Promise-based API

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Framework Agnostic

Works with Vue, React, Angular, Svelte, Node.js, and vanilla JavaScript.

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Only js-cool as a lightweight runtime dependency. Keep your bundle minimal.

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Full TypeScript support with complete type definitions. Excellent IDE experience.

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Built-in timeout handling with optional error throwing for robust async flows.

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Configurable depth for object/array comparison with flexible options.

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Import only what you need. Keep your bundle size minimal.