Revert "fix: Properly parse multi-value shorthand with slash (#859)" (#880)

This reverts commit fbf792c.

Author: mellyeliu

packages/shared/__tests__/split-value-test.js

@@ -44,28 +44,4 @@ describe('Ensure CSS values are split correctly', () => {
       splitValue('calc((100% - 50px) * 0.5) var(--rightpadding, 20px)'),
     ).toEqual(['calc((100% - 50px) * 0.5)', 'var(--rightpadding,20px)']);
   });
-
-  test('Expands a string of values with slash notation appropriately.', () => {
-    expect(splitValue('1px / 2px 3px 4px 5px', 'borderRadius')).toEqual([
-      '1px 2px',
-      '1px 3px',
-      '1px 4px',
-      '1px 5px',
-    ]);
-    expect(splitValue('1px 2px / 3px 4px', 'borderRadius')).toEqual([
-      '1px 3px',
-      '2px 4px',
-      '1px 3px',
-      '2px 4px',
-    ]);
-    expect(splitValue('1px 2px / 3px 4px 5px', 'borderRadius')).toEqual([
-      '1px 3px',
-      '2px 4px',
-      '1px 5px',
-      '2px 4px',
-    ]);
-    expect(
-      splitValue('1px 2px 3px 4px / 5px 6px 7px 8px', 'borderRadius'),
-    ).toEqual(['1px 5px', '2px 6px', '3px 7px', '4px 8px']);
-  });
 });

packages/shared/src/preprocess-rules/legacy-expand-shorthands.js

@@ -162,10 +162,7 @@ const shorthands: $ReadOnly<{ [key: string]: (TStyleValue) => TReturn }> = {
   ],
 
   borderRadius: (rawValue: TStyleValue): TReturn => {
-    const [top, right = top, bottom = top, left = right] = splitValue(
-      rawValue,
-      'borderRadius',
-    );
+    const [top, right = top, bottom = top, left = right] = splitValue(rawValue);
 
     return [
       ['borderTopStartRadius', top],

packages/shared/src/utils/split-css-value.js

@@ -23,49 +23,9 @@ function printNode(node: PostCSSValueASTNode): string {
   }
 }
 
-// Splits PostCSS value nodes for border-radius into horizontal and vertical groups by slash.
-function splitNodesBySlash(
-  nodes: PostCSSValueASTNode[],
-): PostCSSValueASTNode[][] {
-  const result = [];
-  let current = [];
-
-  for (const node of nodes) {
-    const isSeparator = node.type === 'div' && node.value === '/';
-    if (isSeparator) {
-      if (current.length > 0) {
-        result.push(current);
-        current = [];
-      }
-    } else {
-      current.push(node);
-    }
-  }
-
-  if (current.length > 0) {
-    result.push(current);
-  }
-
-  return result;
-}
-
-// Expands a border-radius shorthand value to an array of four values.
-function expandBorderRadiusShorthand(group: PostCSSValueASTNode[]) {
-  if (group.length === 2) return [group[0], group[1], group[0], group[1]];
-  if (group.length === 3) return [group[0], group[1], group[2], group[1]];
-  if (group.length === 4) return [group[0], group[1], group[2], group[3]];
-  return Array(4).fill(group[0]);
-}
-
-// Combines two arrays of border-radius values into a single formatted string.
-function combineBorderRadiusValues(verticals: string[], horizontals: string[]) {
-  return verticals.map((value, i) => `${value} ${horizontals[i]}`);
-}
-
 // Using split(' ') Isn't enough because of values like calc.
 export default function splitValue(
   str: TStyleValue,
-  propertyName: string = '',
 ): $ReadOnlyArray<number | string | null> {
   if (str == null || typeof str === 'number') {
     return [str];
@@ -78,28 +38,9 @@ export default function splitValue(
 
   const parsed = parser(str.trim());
 
-  let nodes: string[] = [];
-  if (propertyName === 'borderRadius') {
-    const groups = splitNodesBySlash(
-      parsed.nodes.filter((node) => node.type !== 'space'),
-    );
-    if (groups.length === 1) {
-      nodes = parsed.nodes.filter((node) => node.type !== 'div').map(printNode);
-    } else {
-      // edge case
-      const vertical = expandBorderRadiusShorthand(
-        groups[0].filter((node) => node.type !== 'div'),
-      ).map(printNode);
-      const horizontal = expandBorderRadiusShorthand(
-        groups[1].filter((node) => node.type !== 'div'),
-      ).map(printNode);
-      nodes = combineBorderRadiusValues(vertical, horizontal);
-    }
-  } else {
-    nodes = parsed.nodes
-      .filter((node) => node.type !== 'space' && node.type !== 'div')
-      .map(printNode);
-  }
+  const nodes = parsed.nodes
+    .filter((node) => node.type !== 'space' && node.type !== 'div')
+    .map(printNode);
 
   if (
     nodes.length > 1 &&