Question 1

How to use iter-tools with async iterables?

Accepted Answer

iter-tools provides full parity between sync and async APIs; import async methods similarly to sync ones, using the same naming conventions, and ensure you reference the async versions in the documentation for proper usage.

Question 2

iter-tools vs lodash for data manipulation?

Accepted Answer

iter-tools excels in lazy evaluation and iterable abstraction, ideal for performance in garbage-collected apps and functional pipelines, while lodash is better for eager array operations and has a broader set of utility functions beyond iterables.

Question 3

How to reduce bundle size with iter-tools?

Accepted Answer

Utilize tree-shaking by importing individual methods from specific paths or use the explode.macro with babel-plugin-macros to automatically transpile imports to minimal code, as described in the README's section on individual methods.

Question 4

Does iter-tools handle null and undefined values?

Accepted Answer

Yes, by default, iter-tools treats null and undefined as empty iterables, so methods like filter or map won't throw errors, making data processing more robust without extra null checks.

Question 5

What are the __ methods and when should I use them?

Accepted Answer

__ methods are low-level APIs for performance-critical loops; use them in tight loops where speed is paramount, but be cautious as they lack currying, null safety, and type definitions, and return singleton iterators.

Question 6

Can iter-tools be used in both Node.js and browsers?

Accepted Answer

Yes, it supports dual CommonJS/ESModule packages and works with polyfills for older browsers, but for es5 builds, you may need to load core-js if Symbol.iterator is not defined in the environment.

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