--- /dev/null
+"use strict";
+
+const _ = require("lodash");
+const blockString = require("../../utils/blockString");
+const hasBlock = require("../../utils/hasBlock");
+const optionsMatches = require("../../utils/optionsMatches");
+const rawNodeString = require("../../utils/rawNodeString");
+const report = require("../../utils/report");
+const ruleMessages = require("../../utils/ruleMessages");
+const validateOptions = require("../../utils/validateOptions");
+const whitespaceChecker = require("../../utils/whitespaceChecker");
+
+const ruleName = "block-closing-brace-newline-after";
+
+const messages = ruleMessages(ruleName, {
+ expectedAfter: () => 'Expected newline after "}"',
+ expectedAfterSingleLine: () =>
+ 'Expected newline after "}" of a single-line block',
+ rejectedAfterSingleLine: () =>
+ 'Unexpected whitespace after "}" of a single-line block',
+ expectedAfterMultiLine: () =>
+ 'Expected newline after "}" of a multi-line block',
+ rejectedAfterMultiLine: () =>
+ 'Unexpected whitespace after "}" of a multi-line block'
+});
+
+const rule = function(expectation, options) {
+ const checker = whitespaceChecker("newline", expectation, messages);
+ return (root, result) => {
+ const validOptions = validateOptions(
+ result,
+ ruleName,
+ {
+ actual: expectation,
+ possible: [
+ "always",
+ "always-single-line",
+ "never-single-line",
+ "always-multi-line",
+ "never-multi-line"
+ ]
+ },
+ {
+ actual: options,
+ possible: {
+ ignoreAtRules: [_.isString]
+ },
+ optional: true
+ }
+ );
+ if (!validOptions) {
+ return;
+ }
+
+ // Check both kinds of statements: rules and at-rules
+ root.walkRules(check);
+ root.walkAtRules(check);
+
+ function check(statement) {
+ if (!hasBlock(statement)) {
+ return;
+ }
+ if (optionsMatches(options, "ignoreAtRules", statement.name)) {
+ return;
+ }
+
+ const nextNode = statement.next();
+ if (!nextNode) {
+ return;
+ }
+
+ // Allow an end-of-line comment x spaces after the brace
+ const nextNodeIsSingleLineComment =
+ nextNode.type === "comment" &&
+ !/[^ ]/.test(nextNode.raws.before || "") &&
+ nextNode.toString().indexOf("\n") === -1;
+
+ const nodeToCheck = nextNodeIsSingleLineComment
+ ? nextNode.next()
+ : nextNode;
+
+ if (!nodeToCheck) {
+ return;
+ }
+
+ let reportIndex = statement.toString().length;
+ let source = rawNodeString(nodeToCheck);
+
+ // Skip a semicolon at the beginning, if any
+ if (source && source[0] === ";") {
+ source = source.slice(1);
+ reportIndex++;
+ }
+
+ // Only check one after, because there might be other
+ // spaces handled by the indentation rule
+ checker.afterOneOnly({
+ source,
+ index: -1,
+ lineCheckStr: blockString(statement),
+ err: msg => {
+ report({
+ message: msg,
+ node: statement,
+ index: reportIndex,
+ result,
+ ruleName
+ });
+ }
+ });
+ }
+ };
+};
+
+rule.ruleName = ruleName;
+rule.messages = messages;
+module.exports = rule;