110 lines
2.4 KiB
JavaScript
110 lines
2.4 KiB
JavaScript
// @ts-nocheck
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'use strict';
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const _ = require('lodash');
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const postcss = require('postcss');
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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 ruleName = 'linebreaks';
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const messages = ruleMessages(ruleName, {
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expected: (linebreak) => `Expected linebreak to be ${linebreak}`,
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});
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function rule(actual, secondary, context) {
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return (root, result) => {
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const validOptions = validateOptions(result, ruleName, {
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actual,
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possible: ['unix', 'windows'],
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});
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if (!validOptions) {
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return;
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}
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const shouldHaveCR = actual === 'windows';
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if (context.fix) {
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const propertiesToUpdate = ['selector', 'raws.before', 'raws.after', 'value', 'text'];
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root.walk((node) => {
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propertiesToUpdate.forEach((property) => {
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const fixedData = fixData(_.get(node, property), shouldHaveCR);
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_.set(node, property, fixedData);
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});
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});
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root.raws.after = fixData(root.raws.after, shouldHaveCR);
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} else {
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const lines = root.source.input.css.split('\n');
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for (let i = 0; i < lines.length; i++) {
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let line = lines[i];
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if (i < lines.length - 1 && !line.includes('\r')) {
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line += '\n';
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}
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if (hasError(line, shouldHaveCR)) {
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const lineNum = i + 1;
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const colNum = line.length;
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reportNewlineError(shouldHaveCR, lineNum, colNum, actual, result);
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}
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}
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}
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function hasError(dataToCheck, shouldHaveCR) {
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const hasNewlineToVerify = /[\r\n]/.test(dataToCheck);
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const hasCR = hasNewlineToVerify ? /\r/.test(dataToCheck) : false;
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return hasNewlineToVerify && hasCR !== shouldHaveCR;
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}
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function fixData(data, shouldHaveCR) {
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if (data) {
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let result = data.replace(/\r/g, '');
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if (shouldHaveCR) {
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result = result.replace(/\n/g, '\r\n');
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}
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return result;
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}
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return data;
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}
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function createReportNode(line, column) {
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// Creating a node manually helps us to point to empty lines.
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return postcss.rule({
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source: {
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start: {
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line,
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column,
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},
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},
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});
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}
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function reportNewlineError(shouldHaveCR, lineNum, colNum, actual, result) {
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const reportNode = createReportNode(lineNum, colNum);
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report({
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message: messages.expected(actual),
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node: reportNode,
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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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module.exports = rule;
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