fix: add keyboard accessibility to token selector (#3887)

* fix: add keyboard accessibility to token selector

* fix: update snapshot test

* fix: enable selected of suggested tokens by enter key
Co-authored-by: Lynn Yu <lynn.yu@uniswap.org>

src/components/SearchModal/CommonBases.tsx

@@ -49,6 +49,8 @@ export default function CommonBases({
           const isSelected = selectedCurrency?.equals(currency)
           return (
             <BaseWrapper
+              tabIndex={0}
+              onKeyPress={(e) => !isSelected && e.key === 'Enter' && onSelect(currency)}
               onClick={() => !isSelected && onSelect(currency)}
               disable={isSelected}
               key={currencyId(currency)}

src/components/SearchModal/CurrencyList/__snapshots__/index.test.tsx.snap

@@ -11,6 +11,7 @@ exports[`renders currency rows correctly when currencies list is non-empty 1`] =
       <div
         class="sc-bdnxRM Row-sc-u7azg8-0 Row__RowBetween-sc-u7azg8-1 styleds__MenuItem-sc-muzgnq-3 lmTMKd hLLNig hzJkYd firMKT token-item-0x6B175474E89094C44Da98b954EedeAC495271d0F"
         style="position: absolute; left: 0px; top: 0px; height: 56px; width: 100%;"
+        tabindex="0"
       >
         CurrencyLogo currency=DAI
         <div
@@ -33,6 +34,7 @@ exports[`renders currency rows correctly when currencies list is non-empty 1`] =
       <div
         class="sc-bdnxRM Row-sc-u7azg8-0 Row__RowBetween-sc-u7azg8-1 styleds__MenuItem-sc-muzgnq-3 lmTMKd hLLNig hzJkYd firMKT token-item-0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
         style="position: absolute; left: 0px; top: 56px; height: 56px; width: 100%;"
+        tabindex="0"
       >
         CurrencyLogo currency=USDC
         <div
@@ -55,6 +57,7 @@ exports[`renders currency rows correctly when currencies list is non-empty 1`] =
       <div
         class="sc-bdnxRM Row-sc-u7azg8-0 Row__RowBetween-sc-u7azg8-1 styleds__MenuItem-sc-muzgnq-3 lmTMKd hLLNig hzJkYd firMKT token-item-0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599"
         style="position: absolute; left: 0px; top: 112px; height: 56px; width: 100%;"
+        tabindex="0"
       >
         CurrencyLogo currency=WBTC
         <div

src/components/SearchModal/CurrencyList/index.tsx

@@ -124,8 +124,10 @@ function CurrencyRow({
   // only show add or remove buttons if not on selected list
   return (
     <MenuItem
+      tabIndex={0}
       style={style}
       className={`token-item-${key}`}
+      onKeyPress={(e) => (!isSelected && e.key === 'Enter' ? onSelect() : null)}
       onClick={() => (isSelected ? null : onSelect())}
       disabled={isSelected}
       selected={otherSelected}

src/components/SearchModal/ImportRow.tsx

@@ -63,7 +63,7 @@ export default function ImportRow({
   const list = token instanceof WrappedTokenInfo ? token.list : undefined
 
   return (
-    <TokenSection style={style}>
+    <TokenSection tabIndex={0} style={style}>
       <CurrencyLogo currency={token} size={'24px'} style={{ opacity: dim ? '0.6' : '1' }} />
       <AutoColumn gap="4px" style={{ opacity: dim ? '0.6' : '1' }}>
         <AutoRow>