| "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, context) { |
| 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 => { |
| if (context.fix) { |
| if (expectation.indexOf("always") === 0) { |
| const index = nodeToCheck.raws.before.search(/\r?\n/); |
| |
| if (index >= 0) { |
| nodeToCheck.raws.before = nodeToCheck.raws.before.slice(index); |
| } else { |
| nodeToCheck.raws.before = |
| context.newline + nodeToCheck.raws.before; |
| } |
| |
| return; |
| } else if (expectation.indexOf("never") === 0) { |
| nodeToCheck.raws.before = ""; |
| |
| return; |
| } |
| } |
| |
| report({ |
| message: msg, |
| node: statement, |
| index: reportIndex, |
| result, |
| ruleName |
| }); |
| } |
| }); |
| } |
| }; |
| }; |
| |
| rule.ruleName = ruleName; |
| rule.messages = messages; |
| module.exports = rule; |