--- /dev/null
+"use strict";
+
+const _ = require("lodash");
+const isAutoprefixable = require("../../utils/isAutoprefixable");
+const isStandardSyntaxDeclaration = require("../../utils/isStandardSyntaxDeclaration");
+const isStandardSyntaxProperty = require("../../utils/isStandardSyntaxProperty");
+const optionsMatches = require("../../utils/optionsMatches");
+const postcss = require("postcss");
+const report = require("../../utils/report");
+const ruleMessages = require("../../utils/ruleMessages");
+const styleSearch = require("style-search");
+const validateOptions = require("../../utils/validateOptions");
+
+const ruleName = "value-no-vendor-prefix";
+
+const messages = ruleMessages(ruleName, {
+ rejected: value => `Unexpected vendor-prefix "${value}"`
+});
+
+const valuePrefixes = ["-webkit-", "-moz-", "-ms-", "-o-"];
+
+const rule = function(actual, options) {
+ return (root, result) => {
+ const validOptions = validateOptions(
+ result,
+ ruleName,
+ { actual },
+ {
+ optional: true,
+ actual: options,
+ possible: {
+ ignoreValues: [_.isString]
+ }
+ }
+ );
+
+ if (!validOptions) {
+ return;
+ }
+
+ root.walkDecls(decl => {
+ if (
+ !isStandardSyntaxDeclaration(decl) ||
+ !isStandardSyntaxProperty(decl.prop) ||
+ decl.value[0] !== "-"
+ ) {
+ return;
+ }
+
+ const prop = decl.prop,
+ value = decl.value,
+ unprefixedValue = postcss.vendor.unprefixed(value);
+
+ //return early if value is to be ignored
+ if (optionsMatches(options, "ignoreValues", unprefixedValue)) {
+ return;
+ }
+
+ // Search the full declaration in order to get an accurate index
+
+ styleSearch(
+ { source: value.toLowerCase(), target: valuePrefixes },
+ match => {
+ const fullIdentifier = /^(-[a-z-]+)\b/i.exec(
+ value.slice(match.startIndex)
+ )[1];
+ if (!isAutoprefixable.propertyValue(prop, fullIdentifier)) {
+ return;
+ }
+
+ report({
+ message: messages.rejected(fullIdentifier),
+ node: decl,
+ index:
+ prop.length + (decl.raws.between || "").length + match.startIndex,
+ result,
+ ruleName
+ });
+ }
+ );
+ });
+ };
+};
+
+rule.ruleName = ruleName;
+rule.messages = messages;
+module.exports = rule;