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node_modules/stylelint/lib/rules/custom-property-empty-line-before/README.md

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+# custom-property-empty-line-before
+
+Require or disallow an empty line before custom properties.
+
+<!-- prettier-ignore -->
+```css
+a {
+  top: 10px;
+                          /* ← */
+  --foo: pink;            /* ↑ */
+}                         /* ↑ */
+/**                          ↑
+ *                   This line */
+```
+
+The [`fix` option](../../../docs/user-guide/usage/options.md#fix) can automatically fix all of the problems reported by this rule. We recommend to enable [`indentation`](../indentation/README.md) rule for better autofixing results with this rule.
+
+## Options
+
+`string`: `"always"|"never"`
+
+### `"always"`
+
+The following patterns are considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+  top: 10px;
+  --foo: pink;
+  --bar: red;
+}
+```
+
+The following patterns are _not_ considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+  top: 10px;
+
+  --foo: pink;
+
+  --bar: red;
+}
+```
+
+### `"never"`
+
+The following patterns are considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+  top: 10px;
+
+  --foo: pink;
+
+  --bar: red;
+}
+```
+
+<!-- prettier-ignore -->
+```css
+a {
+
+  --foo: pink;
+  --bar: red;
+}
+```
+
+The following patterns are _not_ considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+  top: 10px;
+  --foo: pink;
+  --bar: red;
+}
+```
+
+<!-- prettier-ignore -->
+```css
+a {
+  --foo: pink;
+  --bar: red;
+}
+```
+
+## Optional secondary options
+
+### `except: ["after-comment", "after-custom-property", "first-nested"]`
+
+#### `"after-comment"`
+
+Reverse the primary option for custom properties that follow a comment.
+
+Shared-line comments do not trigger this option.
+
+For example, with `"always"`:
+
+The following patterns are considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+
+  --foo: pink;
+  /* comment */
+
+  --bar: red;
+}
+```
+
+<!-- prettier-ignore -->
+```css
+a {
+
+  --foo: pink; /* comment */
+  --bar: red;
+}
+```
+
+The following patterns are _not_ considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+
+  --foo: pink;
+  /* comment */
+  --bar: red;
+}
+```
+
+<!-- prettier-ignore -->
+```css
+a {
+
+  --foo: pink; /* comment */
+
+  --bar: red;
+}
+```
+
+#### `"after-custom-property"`
+
+Reverse the primary option for custom properties that follow another custom property.
+
+Shared-line comments do not affect this option.
+
+For example, with `"always"`:
+
+The following patterns are considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+
+  --foo: pink;
+
+  --bar: red;
+}
+```
+
+<!-- prettier-ignore -->
+```css
+a {
+
+  --foo: pink; /* comment */
+
+  --bar: red;
+}
+```
+
+The following patterns are _not_ considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+
+  --foo: pink;
+  --bar: red;
+}
+```
+
+<!-- prettier-ignore -->
+```css
+a {
+
+  --foo: pink; /* comment */
+  --bar: red;
+}
+```
+
+#### `"first-nested"`
+
+Reverse the primary option for custom properties that are nested and the first child of their parent node.
+
+For example, with `"always"`:
+
+The following patterns are considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+
+  --foo: pink;
+
+  --bar: red;
+}
+```
+
+The following patterns are _not_ considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+  --foo: pink;
+
+  --bar: red;
+}
+```
+
+### `ignore: ["after-comment", "first-nested", "inside-single-line-block"]`
+
+#### `"after-comment"`
+
+Ignore custom properties that follow a comment.
+
+For example, with `"always"`:
+
+The following patterns are _not_ considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+  /* comment */
+  --foo: pink;
+}
+```
+
+#### `"first-nested"`
+
+Ignore custom properties that are nested and the first child of their parent node.
+
+For example, with `"always"`:
+
+The following patterns are _not_ considered violations:
+
+<!-- prettier-ignore -->
+```css
+a {
+  --foo: pink;
+
+  --bar: red;
+}
+```
+
+#### `"inside-single-line-block"`
+
+Ignore custom properties that are inside single-line blocks.
+
+For example, with `"always"`:
+
+The following patterns are _not_ considered violations:
+
+<!-- prettier-ignore -->
+```css
+a { --foo: pink; --bar: red; }
+```

node_modules/stylelint/lib/rules/custom-property-empty-line-before/index.js

@@ -0,0 +1,129 @@
+// @ts-nocheck
+
+'use strict';
+
+const addEmptyLineBefore = require('../../utils/addEmptyLineBefore');
+const blockString = require('../../utils/blockString');
+const getPreviousNonSharedLineCommentNode = require('../../utils/getPreviousNonSharedLineCommentNode');
+const hasEmptyLine = require('../../utils/hasEmptyLine');
+const isAfterComment = require('../../utils/isAfterComment');
+const isCustomProperty = require('../../utils/isCustomProperty');
+const isFirstNested = require('../../utils/isFirstNested');
+const isSingleLineString = require('../../utils/isSingleLineString');
+const isStandardSyntaxDeclaration = require('../../utils/isStandardSyntaxDeclaration');
+const optionsMatches = require('../../utils/optionsMatches');
+const removeEmptyLinesBefore = require('../../utils/removeEmptyLinesBefore');
+const report = require('../../utils/report');
+const ruleMessages = require('../../utils/ruleMessages');
+const validateOptions = require('../../utils/validateOptions');
+
+const ruleName = 'custom-property-empty-line-before';
+
+const messages = ruleMessages(ruleName, {
+	expected: 'Expected empty line before custom property',
+	rejected: 'Unexpected empty line before custom property',
+});
+
+function rule(expectation, options, context) {
+	return (root, result) => {
+		const validOptions = validateOptions(
+			result,
+			ruleName,
+			{
+				actual: expectation,
+				possible: ['always', 'never'],
+			},
+			{
+				actual: options,
+				possible: {
+					except: ['first-nested', 'after-comment', 'after-custom-property'],
+					ignore: ['after-comment', 'first-nested', 'inside-single-line-block'],
+				},
+				optional: true,
+			},
+		);
+
+		if (!validOptions) {
+			return;
+		}
+
+		root.walkDecls((decl) => {
+			const prop = decl.prop;
+			const parent = decl.parent;
+
+			if (!isStandardSyntaxDeclaration(decl)) {
+				return;
+			}
+
+			if (!isCustomProperty(prop)) {
+				return;
+			}
+
+			// Optionally ignore the node if a comment precedes it
+			if (optionsMatches(options, 'ignore', 'after-comment') && isAfterComment(decl)) {
+				return;
+			}
+
+			// Optionally ignore the node if it is the first nested
+			if (optionsMatches(options, 'ignore', 'first-nested') && isFirstNested(decl)) {
+				return;
+			}
+
+			// Optionally ignore nodes inside single-line blocks
+			if (
+				optionsMatches(options, 'ignore', 'inside-single-line-block') &&
+				isSingleLineString(blockString(parent))
+			) {
+				return;
+			}
+
+			let expectEmptyLineBefore = expectation === 'always';
+
+			// Optionally reverse the expectation if any exceptions apply
+			if (
+				(optionsMatches(options, 'except', 'first-nested') && isFirstNested(decl)) ||
+				(optionsMatches(options, 'except', 'after-comment') && isAfterComment(decl)) ||
+				(optionsMatches(options, 'except', 'after-custom-property') && isAfterCustomProperty(decl))
+			) {
+				expectEmptyLineBefore = !expectEmptyLineBefore;
+			}
+
+			const hasEmptyLineBefore = hasEmptyLine(decl.raws.before);
+
+			// Return if the expectation is met
+			if (expectEmptyLineBefore === hasEmptyLineBefore) {
+				return;
+			}
+
+			// Fix
+			if (context.fix) {
+				if (expectEmptyLineBefore) {
+					addEmptyLineBefore(decl, context.newline);
+				} else {
+					removeEmptyLinesBefore(decl, context.newline);
+				}
+
+				return;
+			}
+
+			const message = expectEmptyLineBefore ? messages.expected : messages.rejected;
+
+			report({
+				message,
+				node: decl,
+				result,
+				ruleName,
+			});
+		});
+	};
+}
+
+function isAfterCustomProperty(decl) {
+	const prevNode = getPreviousNonSharedLineCommentNode(decl);
+
+	return prevNode && prevNode.prop && isCustomProperty(prevNode.prop);
+}
+
+rule.ruleName = ruleName;
+rule.messages = messages;
+module.exports = rule;