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Don't apply root padding to nested layout blocks #43842

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Sep 9, 2022
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5 changes: 4 additions & 1 deletion lib/compat/wordpress-6.1/class-wp-theme-json-6-1.php
Original file line number Diff line number Diff line change
Expand Up @@ -817,8 +817,11 @@ function( $pseudo_selector ) use ( $selector ) {
if ( $use_root_padding ) {
$block_rules .= '.wp-site-blocks { padding-top: var(--wp--style--root--padding-top); padding-bottom: var(--wp--style--root--padding-bottom); }';
$block_rules .= '.has-global-padding { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }';
$block_rules .= '.has-global-padding :where(.has-global-padding) { padding-right: 0; padding-left: 0; }';
$block_rules .= '.has-global-padding > .alignfull { margin-right: calc(var(--wp--style--root--padding-right) * -1); margin-left: calc(var(--wp--style--root--padding-left) * -1); }';
$block_rules .= '.has-global-padding > .alignfull > :where([class*="wp-block-"]:not(.alignfull):not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }';
$block_rules .= '.has-global-padding :where(.has-global-padding) > .alignfull { margin-right: 0; margin-left: 0; }';
$block_rules .= '.has-global-padding > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }';
$block_rules .= '.has-global-padding :where(.has-global-padding) > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: 0; padding-left: 0; }';
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Not necessarily a blocker, but now that these rules are fairly complex, is it worth adding a comment before each line about what the rule does? The other rules in this function feel fairly self explanatory to me, but just thinking of our future selves if we want to update these rules at any point, so that we don't forget why each line exists.

}

$block_rules .= '.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }';
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Original file line number Diff line number Diff line change
Expand Up @@ -606,7 +606,7 @@ export const toStyles = (

if ( useRootPaddingAlign ) {
ruleset +=
'padding-right: 0; padding-left: 0; padding-top: var(--wp--style--root--padding-top); padding-bottom: var(--wp--style--root--padding-bottom) } .has-global-padding { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); } .has-global-padding > .alignfull { margin-right: calc(var(--wp--style--root--padding-right) * -1); margin-left: calc(var(--wp--style--root--padding-left) * -1); } .has-global-padding > .alignfull > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left);';
'padding-right: 0; padding-left: 0; padding-top: var(--wp--style--root--padding-top); padding-bottom: var(--wp--style--root--padding-bottom) } .has-global-padding { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); } .has-global-padding :where(.has-global-padding) { padding-right: 0; padding-left: 0; } .has-global-padding > .alignfull { margin-right: calc(var(--wp--style--root--padding-right) * -1); margin-left: calc(var(--wp--style--root--padding-left) * -1); } .has-global-padding :where(.has-global-padding) > .alignfull { margin-right: 0; margin-left: 0; } .has-global-padding > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left);.has-global-padding :where(.has-global-padding) > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: 0; padding-left: 0; }';
}

ruleset += '}';
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This line appears to break global styles output for me. Can we split this into multiple lines so that it's easier to read / work out where we're concatenating } characters? (I think one of the rules is missing a closing brace, and the very final rule has an extra closing brace since the below ruleset += '}'; line will add a closing one)

image

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Ooooh well spotted, yeah this needs to be more legible 😅

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Done!

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2 changes: 1 addition & 1 deletion phpunit/class-wp-theme-json-test.php
Original file line number Diff line number Diff line change
Expand Up @@ -1095,7 +1095,7 @@ function test_get_styles_for_block_with_padding_aware_alignments() {
'selector' => 'body',
);

$expected = 'body{--wp--style--root--padding-top: 10px;--wp--style--root--padding-right: 12px;--wp--style--root--padding-bottom: 10px;--wp--style--root--padding-left: 12px;}body { margin: 0;}.wp-site-blocks { padding-top: var(--wp--style--root--padding-top); padding-bottom: var(--wp--style--root--padding-bottom); }.has-global-padding { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }.has-global-padding > .alignfull { margin-right: calc(var(--wp--style--root--padding-right) * -1); margin-left: calc(var(--wp--style--root--padding-left) * -1); }.has-global-padding > .alignfull > :where([class*="wp-block-"]:not(.alignfull):not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }';
$expected = 'body{--wp--style--root--padding-top: 10px;--wp--style--root--padding-right: 12px;--wp--style--root--padding-bottom: 10px;--wp--style--root--padding-left: 12px;}body { margin: 0;}.wp-site-blocks { padding-top: var(--wp--style--root--padding-top); padding-bottom: var(--wp--style--root--padding-bottom); }.has-global-padding { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }.has-global-padding :where(.has-global-padding) { padding-right: 0; padding-left: 0; }.has-global-padding > .alignfull { margin-right: calc(var(--wp--style--root--padding-right) * -1); margin-left: calc(var(--wp--style--root--padding-left) * -1); }.has-global-padding :where(.has-global-padding) > .alignfull { margin-right: 0; margin-left: 0; }.has-global-padding > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: var(--wp--style--root--padding-right); padding-left: var(--wp--style--root--padding-left); }.has-global-padding :where(.has-global-padding) > .alignfull:where(:not(.has-global-padding)) > :where([class*="wp-block-"]:not(.alignfull):not([class*="__"]),p,h1,h2,h3,h4,h5,h6,ul,ol) { padding-right: 0; padding-left: 0; }.wp-site-blocks > .alignleft { float: left; margin-right: 2em; }.wp-site-blocks > .alignright { float: right; margin-left: 2em; }.wp-site-blocks > .aligncenter { justify-content: center; margin-left: auto; margin-right: auto; }';
$this->assertEquals( $expected, $theme_json->get_styles_for_block( $metadata ) );
}

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