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Lodash: Refactor away from _.random() #41634

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merged 1 commit into from
Jun 10, 2022
Merged

Lodash: Refactor away from _.random() #41634

merged 1 commit into from
Jun 10, 2022

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tyxla
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@tyxla tyxla commented Jun 9, 2022

What?

Lodash's random is used only once in the entire codebase. This PR aims to remove that usage.

Why?

Lodash is known to unnecessarily inflate the bundle size of packages, and in most cases, it can be replaced with native language functionality. See these for more information and rationale:

How?

Removing random is straightforward in favor of a simple Math-based implementation.

Testing Instructions

This only touches the taxonomies e2e test suite, so verify those still pass.

@tyxla tyxla added [Type] Performance Related to performance efforts [Type] Code Quality Issues or PRs that relate to code quality [Package] E2E Tests /packages/e2e-tests labels Jun 9, 2022
@tyxla tyxla self-assigned this Jun 9, 2022
@@ -19,6 +14,12 @@ import {
const TAG_TOKEN_SELECTOR =
'.components-form-token-field__token-text span:not(.components-visually-hidden)';

function generateRandomNumber() {
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We're intentionally not parametrizing this function, since:

  • It's only used for testing purposes.
  • In each call, it always uses the same arguments, so we're keeping it simple.

function generateRandomNumber() {
// Using `Math.random()` directly is fine in this testing context.
// eslint-disable-next-line no-restricted-syntax
return Math.round( 1 + Math.random() * ( Number.MAX_SAFE_INTEGER - 1 ) );
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We're definitely not generating a unique component instance here, which is why we're intentionally disabling this rule.

Since this looks like a false alarm, it could present an opportunity to improve the ESLint rule. Not anything urgent or directly related to the purpose of this PR, anyway.

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Total Size: 1.24 MB

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Thanks for taking on these lodash removal PRs @tyxla! ✨

This change LGTM, it appears the random function was only used to generate random tag names to avoid collisions when creating new tags? The level of randomness appears to be reasonably safe to me in this test, and the tests are passing 👍

@tyxla tyxla merged commit 27f3136 into trunk Jun 10, 2022
@tyxla tyxla deleted the remove/lodash-random branch June 10, 2022 09:13
@github-actions github-actions bot added this to the Gutenberg 13.5 milestone Jun 10, 2022
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