Initial commit

node_modules/stylelint/lib/utils/getUnitFromValueNode.js

@@ -0,0 +1,36 @@
+/* @flow */
+"use strict"
+
+const blurInterpolation = require("./blurInterpolation")
+const _ = require("lodash")
+const isStandardSyntaxValue = require("./isStandardSyntaxValue")
+const valueParser = require("postcss-value-parser")
+
+/**
+ * Get unit from value node
+ *
+ * Returns `null` if the unit is not found.
+ */
+module.exports = function (node/*: Object*/)/*: ?string*/ {
+  if (!node || node && !node.value) {
+    return null
+  }
+
+  const value = blurInterpolation(node.value, "")
+  // ignore hack unit
+  .replace("\\0", "").replace("\\9", "")
+  // ignore decimal place
+  .replace(".", "")
+
+  if (node.type !== "word" || !isStandardSyntaxValue(value) || !_.isFinite(parseInt(value)) || node.value[0] === "#") {
+    return null
+  }
+
+  const parsedUnit = valueParser.unit(value)
+
+  if (!parsedUnit) {
+    return null
+  }
+
+  return parsedUnit.unit
+}