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node_modules/stylelint/lib/rules/declaration-property-value-whitelist/README.md

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+# declaration-property-value-whitelist
+
+Specify a whitelist of allowed property and value pairs within declarations.
+
+```css
+a { text-transform: uppercase; }
+/** ↑               ↑
+ * These properties and these values */
+```
+
+## Options
+
+`object`: `{
+  "unprefixed-property-name": ["array", "of", "values"],
+  "unprefixed-property-name": ["/regex/", "non-regex"]
+}`
+
+If a property name is found in the object, only its whitelisted property values are allowed. This rule complains about all non-matching values. (If the property name is not included in the object, anything goes.)
+
+If a property name is surrounded with `"/"` (e.g. `"/^animation/"`), it is interpreted as a regular expression. This allows, for example, easy targeting of shorthands: `/^animation/` will match `animation`, `animation-duration`, `animation-timing-function`, etc.
+
+The same goes for values. Keep in mind that a regular expression value is matched against the entire value of the declaration, not specific parts of it. For example, a value like `"10px solid rgba( 255 , 0 , 0 , 0.5 )"` will *not* match `"/^solid/"` (notice beginning of the line boundary) but *will* match `"/\\s+solid\\s+/"` or `"/\\bsolid\\b/"`.
+
+Be careful with regex matching not to accidentally consider quoted string values and `url()` arguments. For example, `"/red/"` will match value such as `"1px dotted red"` as well as `"\"foo\""` and `"white url(/mysite.com/red.png)"`.
+
+Given:
+
+```js
+{
+  "transform": ["/scale/"],
+  "whitespace": ["nowrap"],
+  "/color/": ["/^green/"]
+}
+```
+
+The following patterns are considered warnings:
+
+```css
+a { whitespace: pre; }
+```
+
+```css
+a { transform: translate(1, 1); }
+```
+
+```css
+a { -webkit-transform: translate(1, 1); }
+```
+
+```css
+a { color: pink; }
+```
+
+```css
+a { background-color: pink; }
+```
+
+The following patterns are *not* considered warnings:
+
+```css
+a { color: pink; }
+```
+
+```css
+a { whitespace: nowrap; }
+```
+
+```css
+a { transform: scale(1, 1); }
+```
+
+```css
+a { -webkit-transform: scale(1, 1); }
+```
+
+```css
+a { color: green; }
+```
+
+```css
+a { background-color: green; }
+```
+
+```css
+a { background: pink; }
+```

node_modules/stylelint/lib/rules/declaration-property-value-whitelist/index.js

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+"use strict"
+
+const _ = require("lodash")
+const matchesStringOrRegExp = require("../../utils/matchesStringOrRegExp")
+const report = require("../../utils/report")
+const ruleMessages = require("../../utils/ruleMessages")
+const validateOptions = require("../../utils/validateOptions")
+const postcss = require("postcss")
+
+const ruleName = "declaration-property-value-whitelist"
+
+const messages = ruleMessages(ruleName, {
+  rejected: (property, value) => `Unexpected value "${value}" for property "${property}"`,
+})
+
+const rule = function (whitelist) {
+  return (root, result) => {
+    const validOptions = validateOptions(result, ruleName, {
+      actual: whitelist,
+      possible: [_.isObject],
+    })
+    if (!validOptions) {
+      return
+    }
+
+    root.walkDecls(decl => {
+      const prop = decl.prop,
+        value = decl.value
+
+      const unprefixedProp = postcss.vendor.unprefixed(prop)
+      const propWhitelist = _.find(whitelist, (list, propIdentifier) => matchesStringOrRegExp(unprefixedProp, propIdentifier))
+
+      if (_.isEmpty(propWhitelist)) {
+        return
+      }
+
+      if (matchesStringOrRegExp(value, propWhitelist)) {
+        return
+      }
+
+      report({
+        message: messages.rejected(prop, value),
+        node: decl,
+        result,
+        ruleName,
+      })
+    })
+  }
+}
+
+rule.ruleName = ruleName
+rule.messages = messages
+module.exports = rule