--- /dev/null
+"use strict";
+
+const report = require("../../utils/report");
+const ruleMessages = require("../../utils/ruleMessages");
+const validateOptions = require("../../utils/validateOptions");
+
+const ruleName = "no-missing-end-of-source-newline";
+
+const messages = ruleMessages(ruleName, {
+ rejected: "Unexpected missing end-of-source newline"
+});
+
+const rule = function(primary, _, context) {
+ return (root, result) => {
+ const validOptions = validateOptions(result, ruleName, { primary });
+ if (!validOptions) {
+ return;
+ }
+
+ const sourceCss = root.source.input.css;
+ if (sourceCss === "" || sourceCss.slice(-1) === "\n") {
+ return;
+ }
+
+ // Fix
+ if (context.fix) {
+ root.raws.after = context.newline;
+ return;
+ }
+
+ report({
+ message: messages.rejected,
+ node: root,
+ index: sourceCss.length - 1,
+ result,
+ ruleName
+ });
+ };
+};
+
+rule.ruleName = ruleName;
+rule.messages = messages;
+module.exports = rule;