postcss-modules-local-by-default - npm Package Compare versions

Comparing version 1.0.2 to 1.1.0

index.js

@@ -185,6 +185,82 @@ var postcss = require('postcss');
 
-function localizeDecl(decl, context) {
-  var valuesNode = Tokenizer.parseValues(decl.value);
-  var localizeName = /animation(-name)?$/.test(decl.prop);
+function localizeAnimationShorthandDeclValueNodes(nodes, context) {
+  var validIdent = validIdent = /^-?[_a-z][_a-z0-9-]*$/i;
+
+  /*
+  The spec defines some keywords that you can use to describe properties such as the timing
+  function. These are still valid animation names, so as long as there is a property that accepts
+  a keyword, it is given priority. Only when all the properties that can take a keyword are
+  exhausted can the animation name be set to the keyword. I.e.
+
+  animation: infinite infinite;
+
+  The animation will repeat an infinite number of times from the first argument, and will have an
+  animation name of infinite from the second.
+  */
+  var animationKeywords = {
+    '$alternate': 1,
+    '$alternate-reverse': 1,
+    '$backwards': 1,
+    '$both': 1,
+    '$ease': 1,
+    '$ease-in': 1,
+    '$ease-in-out': 1,
+    '$ease-out': 1,
+    '$forwards': 1,
+    '$infinite': 1,
+    '$linear': 1,
+    '$none': Infinity, // No matter how many times you write none, it will never be an animation name
+    '$normal': 1,
+    '$paused': 1,
+    '$reverse': 1,
+    '$running': 1,
+    '$step-end': 1,
+    '$step-start': 1,
+    '$initial': Infinity,
+    '$inherit': Infinity,
+    '$unset': Infinity,
+  };
+
+  var didParseAnimationName = false;
+  var parsedAnimationKeywords = {};
+  return nodes.map(function(valueNode) {
+    var value = valueNode.type === 'item'
+      ? valueNode.name.toLowerCase()
+      : null;
+
+    var shouldParseAnimationName = false;
+
+    if (!didParseAnimationName && value && validIdent.test(value)) {
+      if ('$' + value in animationKeywords) {
+        parsedAnimationKeywords['$' + value] = ('$' + value in parsedAnimationKeywords)
+          ? (parsedAnimationKeywords['$' + value] + 1)
+          : 0;
+
+        shouldParseAnimationName = (parsedAnimationKeywords['$' + value] >= animationKeywords['$' + value]);
+      } else {
+        shouldParseAnimationName = true;
+      }
+    }
+
+    var subContext = {
+      options: context.options,
+      global: context.global,
+      localizeNextItem: shouldParseAnimationName && !context.global
+    };
+    return localizeDeclNode(valueNode, subContext);
+  });
+}
+
+function localizeAnimationShorthandDeclValues(valuesNode, decl, context) {
   var newValuesNode = Object.create(valuesNode);
+  newValuesNode.nodes = valuesNode.nodes.map(function(valueNode, index) {
+    var newValueNode = Object.create(valueNode);
+    newValueNode.nodes = localizeAnimationShorthandDeclValueNodes(valueNode.nodes, context);
+    return newValueNode;
+  });
+  decl.value = Tokenizer.stringifyValues(newValuesNode);
+}
+
+function localizeDeclValues(localize, valuesNode, decl, context) {
+  var newValuesNode = Object.create(valuesNode);
   newValuesNode.nodes = valuesNode.nodes.map(function(valueNode) {
@@ -194,3 +270,3 @@ var subContext = {
       global: context.global,
-      localizeNextItem: localizeName && !context.global
+      localizeNextItem: localize && !context.global
     };
@@ -202,2 +278,14 @@ return localizeDeclValue(valueNode, subContext);
 
+function localizeDecl(decl, context) {
+  var valuesNode = Tokenizer.parseValues(decl.value);
+
+  var isAnimation = /animation?$/.test(decl.prop);
+  if (isAnimation) return localizeAnimationShorthandDeclValues(valuesNode, decl, context);
+
+  var isAnimationName = /animation(-name)?$/.test(decl.prop);
+  if (isAnimationName) return localizeDeclValues(true, valuesNode, decl, context);
+
+  return localizeDeclValues(false, valuesNode, decl, context);
+}
+
 module.exports = postcss.plugin('postcss-modules-local-by-default', function (options) {
@@ -204,0 +292,0 @@ if (typeof options !== 'object') {

package.json

 {
   "name": "postcss-modules-local-by-default",
-  "version": "1.0.2",
+  "version": "1.1.0",
   "description": "A CSS Modules transform to make local scope the default",
@@ -5,0 +5,0 @@ "keywords": [

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Improved metrics

Total package byte prevSize

19264

increased by18.56%

Lines of code

335

increased by28.35%

No dependency changes