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node_modules/stylelint/lib/rules/block-closing-brace-newline-after/README.md

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+# block-closing-brace-newline-after
+
+Require a newline or disallow whitespace after the closing brace of blocks.
+
+```css
+a { color: pink; }
+a { color: red; }↑
+/**              ↑
+ * The newline after this brace */
+```
+
+This rule allows an end-of-line comment separated from the closing brace by spaces, as long as the comment contains no newlines. For example,
+
+```css
+a {
+  color: pink;
+} /* end-of-line comment */
+```
+
+This rule allows a trailing semicolon after the closing brace of a block. For example,
+
+```css
+:root {
+  --toolbar-theme: {
+    background-color: hsl(120, 70%, 95%);
+  };
+/* ↑
+ * This semicolon */  
+}
+```
+
+## Options
+
+`string`: `"always"|"always-single-line"|"never-single-line"|"always-multi-line"|"never-multi-line"`
+
+### `"always"`
+
+There *must always* be a newline after the closing brace.
+
+The following patterns are considered warnings:
+
+```css
+a { color: pink; }b { color: red; }
+```
+
+```css
+a { color: pink;
+} b { color: red; }
+```
+
+The following patterns are *not* considered warnings:
+
+```css
+a { color: pink; }
+b { color: red; }
+```
+
+### `"always-single-line"`
+
+There *must always* be a newline after the closing brace in single-line blocks.
+
+The following patterns are considered warnings:
+
+```css
+a { color: pink; } b { color: red; }
+```
+
+The following patterns are *not* considered warnings:
+
+```css
+a { color: pink;
+} b { color: red; }
+```
+
+```css
+a { color: pink; }
+b { color: red; }
+```
+
+### `"never-single-line"`
+
+There *must never* be whitespace after the closing brace in single-line blocks.
+
+The following patterns are considered warnings:
+
+```css
+a { color: pink; } b { color: red; }
+```
+
+The following patterns are *not* considered warnings:
+
+```css
+a { color: pink; }b { color: red; }
+```
+
+```css
+a { color: pink;
+} b { color: red; }
+```
+
+### `"always-multi-line"`
+
+There *must always* be a newline after the closing brace in multi-line blocks.
+
+The following patterns are considered warnings:
+
+```css
+a { color: pink;
+}b { color: red; }
+```
+
+The following patterns are *not* considered warnings:
+
+```css
+a { color: pink; }b { color: red; }
+```
+
+```css
+a { color: pink;
+}
+b { color: red; }
+```
+
+### `"never-multi-line"`
+
+There *must never* be whitespace after the closing brace in multi-line blocks.
+
+The following patterns are considered warnings:
+
+```css
+a { color: pink;
+} b { color: red; }
+```
+
+The following patterns are *not* considered warnings:
+
+```css
+a { color: pink; } b { color: red; }
+```
+
+```css
+a { color: pink;
+}b { color: red; }
+```
+
+## Optional secondary options
+
+### `ignoreAtRules: ["/regex/", "non-regex"]`
+
+Ignore specified at-rules.
+
+For example, with `"always"` or `"always-multi-line"`.
+
+Given:
+
+```js
+["if", "else"]
+```
+
+The following patterns are *not* considered warnings:
+
+```css
+@if ($var) {
+  color: pink;
+} @else if ($var2) {
+  color: red;
+} @else {
+  color: blue;
+}
+```
+
+```css
+@if ($var) { color: pink; } @else { color: blue; }
+```

node_modules/stylelint/lib/rules/block-closing-brace-newline-after/index.js

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+"use strict"
+
+const _ = require("lodash")
+const blockString = require("../../utils/blockString")
+const hasBlock = require("../../utils/hasBlock")
+const optionsMatches = require("../../utils/optionsMatches")
+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 = "block-closing-brace-newline-after"
+
+const messages = ruleMessages(ruleName, {
+  expectedAfter: () => "Expected newline after \"}\"",
+  expectedAfterSingleLine: () => "Expected newline after \"}\" of a single-line block",
+  rejectedAfterSingleLine: () => "Unexpected whitespace after \"}\" of a single-line block",
+  expectedAfterMultiLine: () => "Expected newline after \"}\" of a multi-line block",
+  rejectedAfterMultiLine: () => "Unexpected whitespace after \"}\" of a multi-line block",
+})
+
+const rule = function (expectation, options) {
+  const checker = whitespaceChecker("newline", expectation, messages)
+  return (root, result) => {
+    const validOptions = validateOptions(result, ruleName, {
+      actual: expectation,
+      possible: [
+        "always",
+        "always-single-line",
+        "never-single-line",
+        "always-multi-line",
+        "never-multi-line",
+      ],
+    }, {
+      actual: options,
+      possible: {
+        ignoreAtRules: [_.isString],
+      },
+      optional: true,
+    })
+    if (!validOptions) {
+      return
+    }
+
+    // Check both kinds of statements: rules and at-rules
+    root.walkRules(check)
+    root.walkAtRules(check)
+
+    function check(statement) {
+      if (!hasBlock(statement)) {
+        return
+      }
+      if (optionsMatches(options, "ignoreAtRules", statement.name)) {
+        return
+      }
+
+      const nextNode = statement.next()
+      if (!nextNode) {
+        return
+      }
+
+      // Allow an end-of-line comment x spaces after the brace
+      const nextNodeIsSingleLineComment = nextNode.type === "comment"
+        && !/[^ ]/.test((nextNode.raws.before || ""))
+        && nextNode.toString().indexOf("\n") === -1
+
+      const nodeToCheck = nextNodeIsSingleLineComment
+        ? nextNode.next()
+        : nextNode
+
+      if (!nodeToCheck) {
+        return
+      }
+
+      let reportIndex = statement.toString().length
+      let source = rawNodeString(nodeToCheck)
+
+      // Skip a semicolon at the beginning, if any
+      if (
+        source
+        && source[0] === ";"
+      ) {
+        source = source.slice(1)
+        reportIndex++
+      }
+
+      // Only check one after, because there might be other
+      // spaces handled by the indentation rule
+      checker.afterOneOnly({
+        source,
+        index: -1,
+        lineCheckStr: blockString(statement),
+        err: msg => {
+          report({
+            message: msg,
+            node: statement,
+            index: reportIndex,
+            result,
+            ruleName,
+          })
+        },
+      })
+    }
+  }
+}
+
+rule.ruleName = ruleName
+rule.messages = messages
+module.exports = rule