From b67379917e8c13142c1852098b0d57a29417c080 Mon Sep 17 00:00:00 2001
From: Giuseppe Gurgone <giuseppeg@users.noreply.github.com>
Date: Thu, 5 Oct 2017 21:45:17 +0200
Subject: [PATCH] Fix animation names not being scoped in optimizeForSpeed mode

---
 src/lib/style-transform.js | 17 ++++---
 test/styles.js             | 92 +++++++++++++++++++++++---------------
 2 files changed, 66 insertions(+), 43 deletions(-)

diff --git a/src/lib/style-transform.js b/src/lib/style-transform.js
index 1ee2f168..01c79e03 100644
--- a/src/lib/style-transform.js
+++ b/src/lib/style-transform.js
@@ -76,6 +76,7 @@ function sourceMapsPlugin(...args) {
 let isSplitRulesEnabled = false
 let splitRules = []
 let splitRulesQueue = []
+let scopeHash
 const nestedAtRules = ['m', 's', 'd', 'k', '-']
 
 function splitRulesPlugin(
@@ -119,10 +120,13 @@ function splitRulesPlugin(
     const selectrs = selectors.join(',')
     if (nestedAtRules.indexOf(selectrs.charAt(1)) === -1) {
       splitRulesQueue.push(`${selectrs}${content}`)
+    } else if (selectrs.charAt(1) === 'k') {
+      const animationName = scopeHash.replace(/^\./, '-')
+      splitRulesQueue.push(
+        `@-webkit-${selectrs.slice(1)}${animationName}{${content}}`
+      )
+      splitRulesQueue.push(`${selectrs}${animationName}{${content}}`)
     } else {
-      if (selectrs.charAt(1) === 'k') {
-        splitRulesQueue.push(`@-webkit-${selectrs.slice(1)}{${content}}`)
-      }
       splitRulesQueue.push(`${selectrs}{${content}}`)
     }
   }
@@ -139,19 +143,20 @@ stylis.set({
 /**
  * Public transform function
  *
- * @param {String} prefix
+ * @param {String} hash
  * @param {String} styles
  * @param {Object} settings
  * @return {string}
  */
-function transform(prefix, styles, settings = {}) {
+function transform(hash, styles, settings = {}) {
   generator = settings.generator
   offset = settings.offset
   filename = settings.filename
   isSplitRulesEnabled = settings.splitRules
   splitRules = []
+  scopeHash = hash
 
-  const cssString = stylis(prefix, styles)
+  const cssString = stylis(scopeHash, styles)
 
   if (isSplitRulesEnabled) {
     return splitRules
diff --git a/test/styles.js b/test/styles.js
index c2bfe68c..f3a2a552 100644
--- a/test/styles.js
+++ b/test/styles.js
@@ -11,35 +11,23 @@ test('transpile styles with attributes', async t => {
 })
 
 test('throws when using nesting', t => {
-  const fixtures = [
-    `div { &:hover { color: red } }`,
-
-    `div {
+  const fixtures = [`div { &:hover { color: red } }`, `div {
       color: green;
-      &:hover { color: red } }`,
-
-    `:hover { div { color: red } }`,
-
-    `@media all {
+      &:hover { color: red } }`, `:hover { div { color: red } }`, `@media all {
       div {
         &:hover { color: red }
       }
-    }`,
-
-    `* { div { color: red }
+    }`, `* { div { color: red }
       &.test {
         color: red;
       }
-    }`,
-
-    `span {}
+    }`, `span {}
       .test {
         color: red;
       div& {
         color: red;
       }
-    }`
-  ]
+    }`]
 
   fixtures.forEach(fixture => {
     t.throws(() => transform('', fixture))
@@ -48,29 +36,15 @@ test('throws when using nesting', t => {
 })
 
 test("doesn't throw when using at-rules", t => {
-  const fixtures = [
-    '@media (min-width: 480px) { div { color: red } }',
-
-    `span {}
-      @media (min-width: 480px) { div { color: red } }`,
-
-    `@media (min-width: 480px) { div { color: red } }
-    span {}`,
-
-    `:hover {}
-      @media (min-width: 480px) { div { color: red } }`,
-
-    `:hover { color: green }
-      @media (min-width: 480px) { div { color: red } }`,
-
-    `@media (min-width: 480px) { div {} }`,
-
-    `@keyframes foo {
+  const fixtures = ['@media (min-width: 480px) { div { color: red } }', `span {}
+      @media (min-width: 480px) { div { color: red } }`, `@media (min-width: 480px) { div { color: red } }
+    span {}`, `:hover {}
+      @media (min-width: 480px) { div { color: red } }`, `:hover { color: green }
+      @media (min-width: 480px) { div { color: red } }`, `@media (min-width: 480px) { div {} }`, `@keyframes foo {
       0% { opacity: 0 }
       100% { opacity: 1}
     }
-    `
-  ]
+    `]
 
   fixtures.forEach(fixture => {
     t.notThrows(() => transform('', fixture))
@@ -184,4 +158,48 @@ test('splits rules for `optimizeForSpeed`', t => {
     '@namespace svg url(http://www.w3.org/2000/svg)'
   ])
   assert('@page :first { margin: 1in; }', ['@page :first{margin:1in;}'])
+
+  assert(`
+    div {
+      animation: fade-in ease-in 1;
+      animation-fill-mode: forwards;
+      animation-duration: 500ms;
+      opacity: 0;
+    }
+    @keyframes fade-in {
+      from {
+        opacity: 0;
+      }
+
+      to {
+        opacity: 1;
+      }
+    }
+  `, ['div.jsx-123{-webkit-animation:fade-in-jsx-123 ease-in 1;animation:fade-in-jsx-123 ease-in 1;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-duration:500ms;animation-duration:500ms;opacity:0;}', '@-webkit-keyframes fade-in-jsx-123{from{opacity:0;}to{opacity:1;}}', '@keyframes fade-in-jsx-123{from{opacity:0;}to{opacity:1;}}'], '.jsx-123')
+
+  assert(
+    `
+    div {
+      animation: fade-in ease-in 1;
+      animation-fill-mode: forwards;
+      animation-duration: 500ms;
+      opacity: 0;
+    }
+
+    @keyframes fade-in {
+      from {
+        opacity: 0;
+      }
+
+      to {
+        opacity: 1;
+      }
+    }
+  `,
+    [
+      'div{-webkit-animation:fade-in ease-in 1;animation:fade-in ease-in 1;-webkit-animation-fill-mode:forwards;animation-fill-mode:forwards;-webkit-animation-duration:500ms;animation-duration:500ms;opacity:0;}',
+      '@-webkit-keyframes fade-in{from{opacity:0;}to{opacity:1;}}',
+      '@keyframes fade-in{from{opacity:0;}to{opacity:1;}}'
+    ]
+  )
 })