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node_modules/stylelint/lib/rules/media-feature-name-whitelist/README.md

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+# media-feature-name-whitelist
+
+Specify a whitelist of allowed media feature names.
+
+```css
+@media (min-width: 700px) {}
+/**     ↑
+ * These media feature names */
+```
+
+**Caveat:** Media feature names within a range context are currently ignored.
+
+## Options
+
+`array|string|regex`: `["array", "of", "unprefixed", "media-features" or "regex"]|"media-feature"|/regex/`
+
+Given:
+
+```js
+["max-width", "/^my-/"]
+```
+
+The following patterns are considered warnings:
+
+```css
+@media (min-width: 50em) {}
+```
+
+```css
+@media print and (min-resolution: 300dpi) {}
+```
+
+The following patterns are *not* considered warnings:
+
+```css
+@media (max-width: 50em) {}
+```
+
+```css
+@media (my-width: 50em) {}
+```

node_modules/stylelint/lib/rules/media-feature-name-whitelist/index.js

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+"use strict"
+
+const atRuleParamIndex = require("../../utils/atRuleParamIndex")
+const isCustomMediaQuery = require("../../utils/isCustomMediaQuery")
+const isRangeContextMediaFeature = require("../../utils/isRangeContextMediaFeature")
+const isStandardSyntaxMediaFeatureName = require("../../utils/isStandardSyntaxMediaFeatureName")
+const matchesStringOrRegExp = require("../../utils/matchesStringOrRegExp")
+const report = require("../../utils/report")
+const ruleMessages = require("../../utils/ruleMessages")
+const validateOptions = require("../../utils/validateOptions")
+const _ = require("lodash")
+const mediaParser = require("postcss-media-query-parser").default
+
+const ruleName = "media-feature-name-whitelist"
+
+const messages = ruleMessages(ruleName, {
+  rejected: name => `Unexpected media feature name "${name}"`,
+})
+
+const rule = function (whitelist) {
+  return (root, result) => {
+    const validOptions = validateOptions(result, ruleName, {
+      actual: whitelist,
+      possible: [_.isString],
+    })
+    if (!validOptions) {
+      return
+    }
+
+    root.walkAtRules(/^media$/i, atRule => {
+      mediaParser(atRule.params).walk(/^media-feature$/i, mediaFeatureNode => {
+        const parent = mediaFeatureNode.parent,
+          sourceIndex = mediaFeatureNode.sourceIndex,
+          value = mediaFeatureNode.value
+
+        if (isRangeContextMediaFeature(parent.value) || !isStandardSyntaxMediaFeatureName(value) || isCustomMediaQuery(value)) {
+          return
+        }
+
+        if (matchesStringOrRegExp(value.toLowerCase(), whitelist)) {
+          return
+        }
+
+        report({
+          index: atRuleParamIndex(atRule) + sourceIndex,
+          message: messages.rejected(value),
+          node: atRule,
+          ruleName,
+          result,
+        })
+      })
+    })
+  }
+}
+
+rule.ruleName = ruleName
+rule.messages = messages
+module.exports = rule