147 lines
2.8 KiB
JavaScript
147 lines
2.8 KiB
JavaScript
'use strict';
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const hasBlock = require('../../utils/hasBlock');
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const optionsMatches = require('../../utils/optionsMatches');
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const report = require('../../utils/report');
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const ruleMessages = require('../../utils/ruleMessages');
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const { isAtRule } = require('../../utils/typeGuards');
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const validateOptions = require('../../utils/validateOptions');
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const ruleName = 'declaration-block-trailing-semicolon';
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const messages = ruleMessages(ruleName, {
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expected: 'Expected a trailing semicolon',
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rejected: 'Unexpected trailing semicolon',
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});
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const meta = {
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url: 'https://stylelint.io/user-guide/rules/declaration-block-trailing-semicolon',
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fixable: true,
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deprecated: true,
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};
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/** @type {import('stylelint').Rule} */
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const rule = (primary, secondaryOptions, context) => {
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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: primary,
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possible: ['always', 'never'],
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},
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{
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actual: secondaryOptions,
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possible: {
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ignore: ['single-declaration'],
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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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root.walkAtRules((atRule) => {
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if (!atRule.parent) throw new Error('A parent node must be present');
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if (atRule.parent === root) {
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return;
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}
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if (atRule !== atRule.parent.last) {
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return;
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}
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if (hasBlock(atRule)) {
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return;
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}
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checkLastNode(atRule);
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});
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root.walkDecls((decl) => {
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if (!decl.parent) throw new Error('A parent node must be present');
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if (decl.parent.type === 'object') {
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return;
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}
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if (decl !== decl.parent.last) {
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return;
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}
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checkLastNode(decl);
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});
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/**
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* @param {import('postcss').Node} node
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*/
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function checkLastNode(node) {
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if (!node.parent) throw new Error('A parent node must be present');
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const hasSemicolon = node.parent.raws.semicolon;
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const ignoreSingleDeclaration = optionsMatches(
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secondaryOptions,
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'ignore',
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'single-declaration',
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);
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if (ignoreSingleDeclaration && node.parent.first === node) {
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return;
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}
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let message;
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if (primary === 'always') {
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if (hasSemicolon) {
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return;
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}
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// auto-fix
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if (context.fix) {
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node.parent.raws.semicolon = true;
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if (isAtRule(node)) {
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node.raws.between = '';
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node.parent.raws.after = ' ';
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}
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return;
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}
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message = messages.expected;
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} else if (primary === 'never') {
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if (!hasSemicolon) {
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return;
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}
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// auto-fix
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if (context.fix) {
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node.parent.raws.semicolon = false;
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return;
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}
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message = messages.rejected;
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} else {
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throw new Error(`Unexpected primary option: "${primary}"`);
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}
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report({
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message,
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node,
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index: node.toString().trim().length - 1,
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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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rule.ruleName = ruleName;
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rule.messages = messages;
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rule.meta = meta;
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module.exports = rule;
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