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- // @ts-nocheck
-
- 'use strict';
-
- const _ = require('lodash');
- const getDeclarationValue = require('../../utils/getDeclarationValue');
- const report = require('../../utils/report');
- const ruleMessages = require('../../utils/ruleMessages');
- const setDeclarationValue = require('../../utils/setDeclarationValue');
- const validateOptions = require('../../utils/validateOptions');
- const valueParser = require('postcss-value-parser');
-
- const ruleName = 'function-max-empty-lines';
-
- const messages = ruleMessages(ruleName, {
- expected: (max) => `Expected no more than ${max} empty ${max === 1 ? 'line' : 'lines'}`,
- });
-
- function placeIndexOnValueStart(decl) {
- return decl.prop.length + decl.raws.between.length - 1;
- }
-
- function rule(max, options, context) {
- const maxAdjacentNewlines = max + 1;
-
- return (root, result) => {
- const validOptions = validateOptions(result, ruleName, {
- actual: max,
- possible: _.isNumber,
- });
-
- if (!validOptions) {
- return;
- }
-
- const violatedCRLFNewLinesRegex = new RegExp(`(?:\r\n){${maxAdjacentNewlines + 1},}`);
- const violatedLFNewLinesRegex = new RegExp(`\n{${maxAdjacentNewlines + 1},}`);
- const allowedLFNewLinesString = context.fix ? '\n'.repeat(maxAdjacentNewlines) : '';
- const allowedCRLFNewLinesString = context.fix ? '\r\n'.repeat(maxAdjacentNewlines) : '';
-
- root.walkDecls((decl) => {
- if (!decl.value.includes('(')) {
- return;
- }
-
- const stringValue = getDeclarationValue(decl);
- const splittedValue = [];
- let sourceIndexStart = 0;
-
- valueParser(stringValue).walk((node) => {
- if (
- node.type !== 'function' /* ignore non functions */ ||
- node.value.length === 0 /* ignore sass lists */
- ) {
- return;
- }
-
- const stringifiedNode = valueParser.stringify(node);
-
- if (
- !violatedLFNewLinesRegex.test(stringifiedNode) &&
- !violatedCRLFNewLinesRegex.test(stringifiedNode)
- ) {
- return;
- }
-
- if (context.fix) {
- const newNodeString = stringifiedNode
- .replace(new RegExp(violatedLFNewLinesRegex, 'gm'), allowedLFNewLinesString)
- .replace(new RegExp(violatedCRLFNewLinesRegex, 'gm'), allowedCRLFNewLinesString);
-
- splittedValue.push([
- stringValue.slice(sourceIndexStart, node.sourceIndex),
- newNodeString,
- ]);
- sourceIndexStart = node.sourceIndex + stringifiedNode.length;
- } else {
- report({
- message: messages.expected(max),
- node: decl,
- index: placeIndexOnValueStart(decl) + node.sourceIndex,
- result,
- ruleName,
- });
- }
- });
-
- if (context.fix && splittedValue.length > 0) {
- const updatedValue =
- splittedValue.reduce((acc, curr) => acc + curr[0] + curr[1], '') +
- stringValue.slice(sourceIndexStart);
-
- setDeclarationValue(decl, updatedValue);
- }
- });
- };
- }
-
- rule.ruleName = ruleName;
- rule.messages = messages;
- module.exports = rule;
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