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