Initial commit

node_modules/stylelint/lib/utils/findAnimationName.js

@@ -0,0 +1,55 @@
+/* @flow */
+"use strict"
+
+const keywordSets = require("../reference/keywordSets")
+const getUnitFromValueNode = require("./getUnitFromValueNode")
+const isStandardSyntaxValue = require("./isStandardSyntaxValue")
+const isVariable = require("./isVariable")
+const postcssValueParser = require("postcss-value-parser")
+
+/**
+ * Get the font-families within a `font` shorthand property value.
+ */
+module.exports = function findAnimationName(value/*: string*/)/*: Array<Object>*/ {
+  const animationNames = []
+
+  const valueNodes = postcssValueParser(value)
+
+  // Handle `inherit`, `initial` and etc
+  if (valueNodes.nodes.length === 1 && keywordSets.basicKeywords.has(valueNodes.nodes[0].value.toLowerCase())) {
+    return [valueNodes.nodes[0]]
+  }
+
+  valueNodes.walk(valueNode => {
+    if (valueNode.type === "function") {
+      return false
+    }
+    if (valueNode.type !== "word") {
+      return
+    }
+
+    const valueLowerCase = valueNode.value.toLowerCase()
+
+    // Ignore non standard syntax
+    if (!isStandardSyntaxValue(valueLowerCase)) {
+      return
+    }
+    // Ignore variables
+    if (isVariable(valueLowerCase)) {
+      return
+    }
+    // Ignore keywords for other font parts
+    if (keywordSets.animationShorthandKeywords.has(valueLowerCase)) {
+      return
+    }
+    // Ignore numbers with units
+    const unit = getUnitFromValueNode(valueNode)
+    if (unit || unit === "") {
+      return
+    }
+
+    animationNames.push(valueNode)
+  })
+
+  return animationNames
+}