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node_modules/stylelint/lib/rules/at-rule-semicolon-newline-after/README.md

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+# at-rule-semicolon-newline-after
+
+Require a newline after the semicolon of at-rules.
+
+```css
+@import url("x.css");
+@import url("y.css");
+/**                 ↑
+ * The newline after these semicolons */
+```
+
+This rule allows an end-of-line comment followed by a newline. For example:
+
+```css
+@import url("x.css"); /* end-of-line comment */
+
+a {}
+```
+
+## Options
+
+`string`: `"always"`
+
+### `"always"`
+
+There *must always* be a newline after the semicolon.
+
+The following patterns are considered warnings:
+
+```css
+@import url("x.css"); @import url("y.css");
+```
+
+```css
+@import url("x.css"); a {}
+```
+
+The following patterns are *not* considered warnings:
+
+```css
+@import url("x.css");
+@import url("y.css");
+```
+
+```css
+@import url("x.css"); /* end-of-line comment */
+a {}
+```
+
+```css
+@import url("x.css");
+
+a {}
+```

node_modules/stylelint/lib/rules/at-rule-semicolon-newline-after/index.js

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+"use strict"
+
+const hasBlock = require("../../utils/hasBlock")
+const nextNonCommentNode = require("../../utils/nextNonCommentNode")
+const rawNodeString = require("../../utils/rawNodeString")
+const report = require("../../utils/report")
+const ruleMessages = require("../../utils/ruleMessages")
+const validateOptions = require("../../utils/validateOptions")
+const whitespaceChecker = require("../../utils/whitespaceChecker")
+
+const ruleName = "at-rule-semicolon-newline-after"
+
+const messages = ruleMessages(ruleName, {
+  expectedAfter: () => "Expected newline after \";\"",
+})
+
+const rule = function (actual) {
+  const checker = whitespaceChecker("newline", actual, messages)
+
+  return (root, result) => {
+    const validOptions = validateOptions(result, ruleName, {
+      actual,
+      possible: ["always"],
+    })
+    if (!validOptions) {
+      return
+    }
+
+    root.walkAtRules(atRule => {
+      const nextNode = atRule.next()
+      if (!nextNode) {
+        return
+      }
+      if (hasBlock(atRule)) {
+        return
+      }
+
+      // Allow an end-of-line comment
+      const nodeToCheck = nextNonCommentNode(nextNode)
+      if (!nodeToCheck) {
+        return
+      }
+
+      checker.afterOneOnly({
+        source: rawNodeString(nodeToCheck),
+        index: -1,
+        err: msg => {
+          report({
+            message: msg,
+            node: atRule,
+            index: atRule.toString().length + 1,
+            result,
+            ruleName,
+          })
+        },
+      })
+    })
+  }
+}
+
+rule.ruleName = ruleName
+rule.messages = messages
+module.exports = rule