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GlobalStyles: extract sanitize method #30809

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Apr 15, 2021
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Extracted from #30541 so it can land in pieces and make reviews easier/quicker.

This PR extracts the sanitization to its own method and simplifies its logic so that changing the structure at #30541 is easier.

How to test

npm run test-unit-php /var/www/html/wp-content/plugins/gutenberg/phpunit/class-wp-theme-json-test.php

@oandregal oandregal requested a review from spacedmonkey as a code owner April 13, 2021 15:34
@oandregal oandregal self-assigned this Apr 13, 2021
@oandregal oandregal added [Type] Code Quality Issues or PRs that relate to code quality Global Styles Anything related to the broader Global Styles efforts, including Styles Engine and theme.json labels Apr 13, 2021
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Total Size: 1.43 MB

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@oandregal oandregal requested a review from ockham April 14, 2021 07:04
@@ -485,12 +436,14 @@ private static function remove_keys_not_in_schema( $tree, $schema ) {
$tree = array_intersect_key( $tree, $schema );

foreach ( $schema as $key => $data ) {
if ( is_array( $schema[ $key ] ) && isset( $tree[ $key ] ) ) {
if ( is_array( $schema[ $key ] ) && is_array( $tree[ $key ] ) ) {
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isset accounts also for the case when the $key in the $tree is not set. Is it safe to replace it with is_array?

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@oandregal oandregal Apr 14, 2021

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It's not, good catch! Pushed another check above as well.

Would you know how to make unit tests fail if there are warnings? Somehow they're not reported for me when running npm run test-unit-php.

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Is it possible that the env that runs phpunit has error reporting disabled?

@oandregal oandregal force-pushed the extract/sanitize-method branch from 03fe91e to 3959695 Compare April 14, 2021 11:21
@oandregal oandregal mentioned this pull request Apr 14, 2021
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Comment on lines +297 to +300
foreach ( $valid_block_names as $block_name ) {
$schema['styles'][ $block_name ] = self::VALID_STYLES;
$schema['settings'][ $block_name ] = self::VALID_SETTINGS;
}
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For each $block_name, we're creating an identical copy of self::VALID_STYLES and self::VALID_SETTINGS, respectively. Would it be worth considering having just

Suggested change
foreach ( $valid_block_names as $block_name ) {
$schema['styles'][ $block_name ] = self::VALID_STYLES;
$schema['settings'][ $block_name ] = self::VALID_SETTINGS;
}
$schema['styles'] = self::VALID_STYLES;
$schema['settings'] = self::VALID_SETTINGS;

and changing remove_keys_not_in_schema() accordingly?

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One of the struggles of this class has been how to make it adaptable to theme.json shape changes. The idea I explored in the latest rounds is to separate the logic that iterates over the tree from the logic to do something with a particular set of nodes. A visitor pattern of sorts. The hope is that, by centralizing the iteration logic, changes can be made easily in the future.

For example, in this case, remove_keys_not_in_schema is agnostic about the shape of theme.json, it just cares about removing nodes in the given tree that don't follow the given schema. The same logic applies to some other methods in this class after the latest changes landed in master: most of them become "visitors" of nodes, they know how to operate on a node or set of nodes (take styles out of them, process presets, etc) but are theme.json-shape agnostic. Then there're a couple of methods that are focused on building the paths to iterate over, so those are the only ones that need updating when theme.json changes.

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Thanks @nosolosw! This is looking good and working well (judging by unit tests) 🎉

I had one note about maybe simplifying some of the sanitization logic; but feel free to merge, we can discuss tackling this separately.

@oandregal oandregal merged commit 67de26f into trunk Apr 15, 2021
@oandregal oandregal deleted the extract/sanitize-method branch April 15, 2021 07:00
@github-actions github-actions bot added this to the Gutenberg 10.5 milestone Apr 15, 2021
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