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node_modules/stylelint/lib/rules/number-no-trailing-zeros/README.md

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+# number-no-trailing-zeros
+
+Disallow trailing zeros in numbers.
+
+```css
+a { top: 0.5000px; bottom: 1.0px; }
+/**         ↑                ↑
+ *        These trailing zeros */
+```
+
+## Options
+
+### `true`
+
+The following patterns are considered warnings:
+
+```css
+a { top: 1.0px }
+```
+
+```css
+a { top: 1.01000px }
+```
+
+The following patterns are *not* considered warnings:
+
+```css
+a { top: 1px }
+```
+
+```css
+a { top: 1.01px }
+```

node_modules/stylelint/lib/rules/number-no-trailing-zeros/index.js

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+"use strict"
+
+const atRuleParamIndex = require("../../utils/atRuleParamIndex")
+const declarationValueIndex = require("../../utils/declarationValueIndex")
+const report = require("../../utils/report")
+const ruleMessages = require("../../utils/ruleMessages")
+const validateOptions = require("../../utils/validateOptions")
+const valueParser = require("postcss-value-parser")
+
+const ruleName = "number-no-trailing-zeros"
+
+const messages = ruleMessages(ruleName, {
+  rejected: "Unexpected trailing zero(s)",
+})
+
+const rule = function (actual) {
+  return (root, result) => {
+    const validOptions = validateOptions(result, ruleName, { actual })
+    if (!validOptions) {
+      return
+    }
+
+    root.walkAtRules(atRule => {
+      if (atRule.name.toLowerCase() === "import") {
+        return
+      }
+
+      check(atRule, atRule.params, atRuleParamIndex)
+    })
+
+    root.walkDecls(decl => check(decl, decl.value, declarationValueIndex))
+
+    function check(node, value, getIndex) {
+      // Get out quickly if there are no periods
+      if (value.indexOf(".") === -1) {
+        return
+      }
+
+      valueParser(value).walk(valueNode => {
+        // Ignore `url` function
+        if (valueNode.type === "function" && valueNode.value.toLowerCase() === "url") {
+          return false
+        }
+
+        // Ignore strings, comments, etc
+        if (valueNode.type !== "word") {
+          return
+        }
+
+        const match = /(\.\d*)0+(?:\D|$)/.exec(valueNode.value)
+
+        if (match === null) {
+          return
+        }
+
+        report({
+          message: messages.rejected,
+          node,
+          index: getIndex(node) + valueNode.sourceIndex + match.index + match[1].length,
+          result,
+          ruleName,
+        })
+      })
+    }
+  }
+}
+
+rule.ruleName = ruleName
+rule.messages = messages
+module.exports = rule