Flex: Remove flex gap polyfill

packages/block-editor/src/components/color-palette/test/__snapshots__/control.js.snap

@@ -29,15 +29,12 @@ exports[`ColorPaletteControl matches the snapshot 1`] = `
   -webkit-flex-direction: column;
   -ms-flex-direction: column;
   flex-direction: column;
+  gap: calc(4px * 1);
   -webkit-box-pack: justify;
   -webkit-justify-content: space-between;
   justify-content: space-between;
 }
 
-.emotion-4>*+*:not( marquee ) {
-  margin-top: calc(4px * 1);
-}
-
 .emotion-4>* {
   min-height: 0;
 }
@@ -64,15 +61,12 @@ exports[`ColorPaletteControl matches the snapshot 1`] = `
   -webkit-flex-direction: column;
   -ms-flex-direction: column;
   flex-direction: column;
+  gap: calc(4px * 3);
   -webkit-box-pack: justify;
   -webkit-justify-content: space-between;
   justify-content: space-between;
 }
 
-.emotion-8>*+*:not( marquee ) {
-  margin-top: calc(4px * 3);
-}
-
 .emotion-8>* {
   min-height: 0;
 }
@@ -89,16 +83,13 @@ exports[`ColorPaletteControl matches the snapshot 1`] = `
   -webkit-flex-direction: row;
   -ms-flex-direction: row;
   flex-direction: row;
+  gap: calc(4px * 2);
   -webkit-box-pack: justify;
   -webkit-justify-content: space-between;
   justify-content: space-between;
   width: 100%;
 }
 
-.emotion-10>*+*:not( marquee ) {
-  margin-left: calc(4px * 2);
-}
-
 .emotion-10>* {
   min-width: 0;
 }

packages/components/CHANGELOG.md

@@ -10,6 +10,7 @@
 ### Bug Fix
 
 -   `Button`, `Icon`: Fix `iconSize` prop doesn't work with some icons ([#43821](https://github.com/WordPress/gutenberg/pull/43821)).
+-   `InputControl`, `NumberControl`, `UnitControl`: Fix margin when `labelPosition` is `bottom` ([#43995](https://github.com/WordPress/gutenberg/pull/43995)).
 -   `Popover`: enable auto-updating every animation frame ([#43617](https://github.com/WordPress/gutenberg/pull/43617)).
 -   `Popover`: improve the component's performance and reactivity to prop changes by reworking its internals ([#43335](https://github.com/WordPress/gutenberg/pull/43335)).
 -   `NavigatorScreen`: updated to satisfy `react/exhaustive-deps` eslint rule ([#43876](https://github.com/WordPress/gutenberg/pull/43876))
@@ -20,6 +21,7 @@
 -   `ToggleControl`: Add `__nextHasNoMargin` prop for opting into the new margin-free styles ([#43717](https://github.com/WordPress/gutenberg/pull/43717)).
 -   `CheckboxControl`: Add `__nextHasNoMargin` prop for opting into the new margin-free styles ([#43720](https://github.com/WordPress/gutenberg/pull/43720)).
 -   `TextControl`, `TextareaControl`: Add `__nextHasNoMargin` prop for opting into the new margin-free styles ([#43782](https://github.com/WordPress/gutenberg/pull/43782)).
+-   `Flex`: Remove margin-based polyfill implementation of flex `gap` ([#43995](https://github.com/WordPress/gutenberg/pull/43995)).
 -   `RangeControl`: Tweak dark gray marking color to be consistent with the grays in `@wordpress/base-styles` ([#43773](https://github.com/WordPress/gutenberg/pull/43773)).
 -   `UnitControl`: Tweak unit dropdown color to be consistent with the grays in `@wordpress/base-styles` ([#43773](https://github.com/WordPress/gutenberg/pull/43773)).
 -   `SearchControl`: Add `__nextHasNoMargin` prop for opting into the new margin-free styles ([#43871](https://github.com/WordPress/gutenberg/pull/43871)).

packages/components/src/base-field/test/__snapshots__/index.js.snap

@@ -25,7 +25,7 @@ Snapshot Diff:
 - Received styles
 + Base styles
 
-@@ -14,18 +14,17 @@
+@@ -14,19 +14,18 @@
       "background": "#fff",
       "border": "1px solid",
       "border-color": "#757575",
@@ -36,6 +36,7 @@ Snapshot Diff:
       "flex": "1",
       "flex-direction": "row",
       "font-size": "13px",
+      "gap": "calc(4px * 2)",
       "justify-content": "space-between",
       "outline": "none",
       "padding": "0 8px",
@@ -80,6 +81,7 @@ exports[`base field should render correctly 1`] = `
   -webkit-flex-direction: row;
   -ms-flex-direction: row;
   flex-direction: row;
+  gap: calc(4px * 2);
   -webkit-box-pack: justify;
   -webkit-justify-content: space-between;
   justify-content: space-between;
@@ -105,10 +107,6 @@ exports[`base field should render correctly 1`] = `
   width: 100%;
 }
 
-.emotion-0>*+*:not( marquee ) {
-  margin-left: calc(4px * 2);
-}
-
 .emotion-0>* {
   min-width: 0;
 }

packages/components/src/card/test/__snapshots__/index.tsx.snap

@@ -42,8 +42,8 @@ Snapshot Diff:
 @@ -1,8 +1,8 @@
   <div>
     <div
--     class="components-flex components-card__footer components-card-footer css-p1v47q-View-Flex-sx-Base-sx-Items-ItemsRow-Footer-borderRadius-borderColor-medium e19lxcc00"
-+     class="components-flex components-card__footer components-card-footer css-skr34d-View-Flex-sx-Base-sx-Items-ItemsRow-Footer-borderRadius-borderColor-medium-shady e19lxcc00"
+-     class="components-flex components-card__footer components-card-footer css-120suhd-View-Flex-base-ItemsRow-Footer-borderRadius-borderColor-medium e19lxcc00"
++     class="components-flex components-card__footer components-card-footer css-19jxwll-View-Flex-base-ItemsRow-Footer-borderRadius-borderColor-medium-shady e19lxcc00"
       data-wp-c16t="true"
       data-wp-component="CardFooter"
     >
@@ -59,8 +59,8 @@ Snapshot Diff:
 @@ -1,8 +1,8 @@
   <div>
     <div
--     class="components-flex components-card__footer components-card-footer css-p1v47q-View-Flex-sx-Base-sx-Items-ItemsRow-Footer-borderRadius-borderColor-medium e19lxcc00"
-+     class="components-flex components-card__footer components-card-footer css-gg08fg-View-Flex-sx-Base-sx-Items-ItemsRow-Footer-borderRadius-borderColor-medium e19lxcc00"
+-     class="components-flex components-card__footer components-card-footer css-120suhd-View-Flex-base-ItemsRow-Footer-borderRadius-borderColor-medium e19lxcc00"
++     class="components-flex components-card__footer components-card-footer css-ys33kb-View-Flex-base-ItemsRow-Footer-borderRadius-borderColor-medium e19lxcc00"
       data-wp-c16t="true"
       data-wp-component="CardFooter"
     >
@@ -76,8 +76,8 @@ Snapshot Diff:
 @@ -1,8 +1,8 @@
   <div>
     <div
--     class="components-flex components-card__header components-card-header css-1g5oj2q-View-Flex-sx-Base-sx-Items-ItemsRow-Header-borderRadius-borderColor-medium e19lxcc00"
-+     class="components-flex components-card__header components-card-header css-1gv9wvv-View-Flex-sx-Base-sx-Items-ItemsRow-Header-borderRadius-borderColor-medium-shady e19lxcc00"
+-     class="components-flex components-card__header components-card-header css-3fkkv8-View-Flex-base-ItemsRow-Header-borderRadius-borderColor-medium e19lxcc00"
++     class="components-flex components-card__header components-card-header css-1qktnah-View-Flex-base-ItemsRow-Header-borderRadius-borderColor-medium-shady e19lxcc00"
       data-wp-c16t="true"
       data-wp-component="CardHeader"
     >
@@ -96,8 +96,8 @@ Snapshot Diff:
       class="css-mgwsf4-View-Content e19lxcc00"
     >
       <div
--       class="components-flex components-card__header components-card-header css-1g5oj2q-View-Flex-sx-Base-sx-Items-ItemsRow-Header-borderRadius-borderColor-medium e19lxcc00"
-+       class="components-flex components-card__header components-card-header css-1e8ifbz-View-Flex-sx-Base-sx-Items-ItemsRow-Header-borderRadius-borderColor-large e19lxcc00"
+-       class="components-flex components-card__header components-card-header css-3fkkv8-View-Flex-base-ItemsRow-Header-borderRadius-borderColor-medium e19lxcc00"
++       class="components-flex components-card__header components-card-header css-2feznw-View-Flex-base-ItemsRow-Header-borderRadius-borderColor-large e19lxcc00"
         data-wp-c16t="true"
         data-wp-component="CardHeader"
       >
@@ -141,8 +141,8 @@ Snapshot Diff:
         class="css-mgwsf4-View-Content e19lxcc00"
       >
         <div
--         class="components-flex components-card__header components-card-header css-1uuauve-View-Flex-sx-Base-sx-Items-ItemsRow-Header-borderRadius-borderColor-large-borderless e19lxcc00"
-+         class="components-flex components-card__header components-card-header css-yf9nll-View-Flex-sx-Base-sx-Items-ItemsRow-Header-borderRadius-borderColor-small e19lxcc00"
+-         class="components-flex components-card__header components-card-header css-ed5e1x-View-Flex-base-ItemsRow-Header-borderRadius-borderColor-large-borderless e19lxcc00"
++         class="components-flex components-card__header components-card-header css-1f9ii60-View-Flex-base-ItemsRow-Header-borderRadius-borderColor-small e19lxcc00"
           data-wp-c16t="true"
           data-wp-component="CardHeader"
         >
@@ -157,8 +157,8 @@ Snapshot Diff:
           Body
         </div>
         <div
--         class="components-flex components-card__footer components-card-footer css-s0icc3-View-Flex-sx-Base-sx-Items-ItemsRow-Footer-borderRadius-borderColor-large-borderless e19lxcc00"
-+         class="components-flex components-card__footer components-card-footer css-cwhos2-View-Flex-sx-Base-sx-Items-ItemsRow-Footer-borderRadius-borderColor-xSmallCardPadding e19lxcc00"
+-         class="components-flex components-card__footer components-card-footer css-ide17g-View-Flex-base-ItemsRow-Footer-borderRadius-borderColor-large-borderless e19lxcc00"
++         class="components-flex components-card__footer components-card-footer css-jsws2e-View-Flex-base-ItemsRow-Footer-borderRadius-borderColor-xSmallCardPadding e19lxcc00"
           data-wp-c16t="true"
           data-wp-component="CardFooter"
         >
@@ -183,8 +183,8 @@ Snapshot Diff:
         class="css-mgwsf4-View-Content e19lxcc00"
       >
         <div
--         class="components-flex components-card__header components-card-header css-1uuauve-View-Flex-sx-Base-sx-Items-ItemsRow-Header-borderRadius-borderColor-large-borderless e19lxcc00"
-+         class="components-flex components-card__header components-card-header css-yf9nll-View-Flex-sx-Base-sx-Items-ItemsRow-Header-borderRadius-borderColor-small e19lxcc00"
+-         class="components-flex components-card__header components-card-header css-ed5e1x-View-Flex-base-ItemsRow-Header-borderRadius-borderColor-large-borderless e19lxcc00"
++         class="components-flex components-card__header components-card-header css-1f9ii60-View-Flex-base-ItemsRow-Header-borderRadius-borderColor-small e19lxcc00"
           data-wp-c16t="true"
           data-wp-component="CardHeader"
         >
@@ -199,8 +199,8 @@ Snapshot Diff:
           Body
         </div>
         <div
--         class="components-flex components-card__footer components-card-footer css-s0icc3-View-Flex-sx-Base-sx-Items-ItemsRow-Footer-borderRadius-borderColor-large-borderless e19lxcc00"
-+         class="components-flex components-card__footer components-card-footer css-oc4v7j-View-Flex-sx-Base-sx-Items-ItemsRow-Footer-borderRadius-borderColor-small e19lxcc00"
+-         class="components-flex components-card__footer components-card-footer css-ide17g-View-Flex-base-ItemsRow-Footer-borderRadius-borderColor-large-borderless e19lxcc00"
++         class="components-flex components-card__footer components-card-footer css-1ih54yp-View-Flex-base-ItemsRow-Footer-borderRadius-borderColor-small e19lxcc00"
           data-wp-c16t="true"
           data-wp-component="CardFooter"
         >
@@ -236,6 +236,7 @@ Object {
   -webkit-flex-direction: row;
   -ms-flex-direction: row;
   flex-direction: row;
+  gap: calc(4px * 2);
   -webkit-box-pack: justify;
   -webkit-justify-content: space-between;
   justify-content: space-between;
@@ -246,10 +247,6 @@ Object {
   padding: calc(4px * 4) calc(4px * 6);
 }
 
-.emotion-4>*+*:not( marquee ) {
-  margin-left: calc(4px * 2);
-}
-
 .emotion-4>* {
   min-width: 0;
 }
@@ -332,6 +329,7 @@ Object {
   -webkit-flex-direction: row;
   -ms-flex-direction: row;
   flex-direction: row;
+  gap: calc(4px * 2);
   -webkit-box-pack: justify;
   -webkit-justify-content: space-between;
   justify-content: space-between;
@@ -342,10 +340,6 @@ Object {
   padding: calc(4px * 4) calc(4px * 6);
 }
 
-.emotion-16>*+*:not( marquee ) {
-  margin-left: calc(4px * 2);
-}
-
 .emotion-16>* {
   min-width: 0;
 }
@@ -492,6 +486,7 @@ Object {
   -webkit-flex-direction: row;
   -ms-flex-direction: row;
   flex-direction: row;
+  gap: calc(4px * 2);
   -webkit-box-pack: justify;
   -webkit-justify-content: space-between;
   justify-content: space-between;
@@ -502,10 +497,6 @@ Object {
   padding: calc(4px * 4) calc(4px * 6);
 }
 
-.emotion-4>*+*:not( marquee ) {
-  margin-left: calc(4px * 2);
-}
-
 .emotion-4>* {
   min-width: 0;
 }
@@ -588,6 +579,7 @@ Object {
   -webkit-flex-direction: row;
   -ms-flex-direction: row;
   flex-direction: row;
+  gap: calc(4px * 2);
   -webkit-box-pack: justify;
   -webkit-justify-content: space-between;
   justify-content: space-between;
@@ -598,10 +590,6 @@ Object {
   padding: calc(4px * 4) calc(4px * 6);
 }
 
-.emotion-16>*+*:not( marquee ) {
-  margin-left: calc(4px * 2);
-}
-
 .emotion-16>* {
   min-width: 0;
 }