Implement case-insensitivity for text decoration

Author: jacobp100

src/index.test.js

@@ -620,6 +620,20 @@ it('transforms text-decoration with none as part of multiple terms', () =>
     textDecorationColor: 'yellow',
   }))
 
+it('transforms text-decoration with none in capitals', () =>
+  runTest([['text-decoration', 'yellow NONE']], {
+    textDecorationLine: 'none',
+    textDecorationStyle: 'solid',
+    textDecorationColor: 'yellow',
+  }))
+
+it('transforms text-decoration with style in capitals', () =>
+  runTest([['text-decoration', 'yellow UNDERLINE LINE-THROUGH']], {
+    textDecorationLine: 'underline line-through',
+    textDecorationStyle: 'solid',
+    textDecorationColor: 'yellow',
+  }))
+
 it('does not transform text-decoration if multiple colors are used', () => {
   expect(() =>
     transformCss([['text-decoration', 'underline red yellow']])

src/tokenTypes.js

@@ -67,5 +67,5 @@ module.exports.tokens = {
   IDENT: regExpToken(identRe),
   STRING: matchString,
   COLOR: matchColor,
-  LINE: regExpToken(/^(none|underline|line-through)$/),
+  LINE: regExpToken(/^(none|underline|line-through)$/i),
 }

src/transforms/textDecoration.js

@@ -18,15 +18,15 @@ module.exports = tokenStream => {
     if (didParseFirst) tokenStream.expect(SPACE)
 
     if (line === undefined && tokenStream.matches(LINE)) {
-      const lines = [tokenStream.lastValue]
+      const lines = [tokenStream.lastValue.toLowerCase()]
 
       tokenStream.saveRewindPoint()
       if (
         lines[0] !== 'none' &&
         tokenStream.matches(SPACE) &&
         tokenStream.matches(LINE)
       ) {
-        lines.push(tokenStream.lastValue)
+        lines.push(tokenStream.lastValue.toLowerCase())
         // Underline comes before line-through
         lines.sort().reverse()
       } else {

src/transforms/textDecorationLine.js

@@ -9,7 +9,7 @@ module.exports = tokenStream => {
   while (tokenStream.hasTokens()) {
     if (didParseFirst) tokenStream.expect(SPACE)
 
-    lines.push(tokenStream.expect(LINE))
+    lines.push(tokenStream.expect(LINE).toLowerCase())
 
     didParseFirst = true
   }