123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168 |
- 'use strict';
- const _ = require('lodash');
- const declarationValueIndex = require('../../utils/declarationValueIndex');
- const isSingleLineString = require('../../utils/isSingleLineString');
- const isStandardSyntaxFunction = require('../../utils/isStandardSyntaxFunction');
- const report = require('../../utils/report');
- const ruleMessages = require('../../utils/ruleMessages');
- const validateOptions = require('../../utils/validateOptions');
- const valueParser = require('postcss-value-parser');
- const ruleName = 'function-parentheses-space-inside';
- const messages = ruleMessages(ruleName, {
- expectedOpening: 'Expected single space after "("',
- rejectedOpening: 'Unexpected whitespace after "("',
- expectedClosing: 'Expected single space before ")"',
- rejectedClosing: 'Unexpected whitespace before ")"',
- expectedOpeningSingleLine: 'Expected single space after "(" in a single-line function',
- rejectedOpeningSingleLine: 'Unexpected whitespace after "(" in a single-line function',
- expectedClosingSingleLine: 'Expected single space before ")" in a single-line function',
- rejectedClosingSingleLine: 'Unexpected whitespace before ")" in a single-line function',
- });
- function rule(expectation, options, context) {
- return (root, result) => {
- const validOptions = validateOptions(result, ruleName, {
- actual: expectation,
- possible: ['always', 'never', 'always-single-line', 'never-single-line'],
- });
- if (!validOptions) {
- return;
- }
- root.walkDecls((decl) => {
- if (!decl.value.includes('(')) {
- return;
- }
- let hasFixed = false;
- const declValue = _.get(decl, 'raws.value.raw', decl.value);
- const parsedValue = valueParser(declValue);
- parsedValue.walk((valueNode) => {
- if (valueNode.type !== 'function') {
- return;
- }
- if (!isStandardSyntaxFunction(valueNode)) {
- return;
- }
-
- if (!valueNode.nodes.length) {
- return;
- }
- const functionString = valueParser.stringify(valueNode);
- const isSingleLine = isSingleLineString(functionString);
-
- const openingIndex = valueNode.sourceIndex + valueNode.value.length + 1;
- if (expectation === 'always' && valueNode.before !== ' ') {
- if (context.fix) {
- hasFixed = true;
- valueNode.before = ' ';
- } else {
- complain(messages.expectedOpening, openingIndex);
- }
- }
- if (expectation === 'never' && valueNode.before !== '') {
- if (context.fix) {
- hasFixed = true;
- valueNode.before = '';
- } else {
- complain(messages.rejectedOpening, openingIndex);
- }
- }
- if (isSingleLine && expectation === 'always-single-line' && valueNode.before !== ' ') {
- if (context.fix) {
- hasFixed = true;
- valueNode.before = ' ';
- } else {
- complain(messages.expectedOpeningSingleLine, openingIndex);
- }
- }
- if (isSingleLine && expectation === 'never-single-line' && valueNode.before !== '') {
- if (context.fix) {
- hasFixed = true;
- valueNode.before = '';
- } else {
- complain(messages.rejectedOpeningSingleLine, openingIndex);
- }
- }
-
- const closingIndex = valueNode.sourceIndex + functionString.length - 2;
- if (expectation === 'always' && valueNode.after !== ' ') {
- if (context.fix) {
- hasFixed = true;
- valueNode.after = ' ';
- } else {
- complain(messages.expectedClosing, closingIndex);
- }
- }
- if (expectation === 'never' && valueNode.after !== '') {
- if (context.fix) {
- hasFixed = true;
- valueNode.after = '';
- } else {
- complain(messages.rejectedClosing, closingIndex);
- }
- }
- if (isSingleLine && expectation === 'always-single-line' && valueNode.after !== ' ') {
- if (context.fix) {
- hasFixed = true;
- valueNode.after = ' ';
- } else {
- complain(messages.expectedClosingSingleLine, closingIndex);
- }
- }
- if (isSingleLine && expectation === 'never-single-line' && valueNode.after !== '') {
- if (context.fix) {
- hasFixed = true;
- valueNode.after = '';
- } else {
- complain(messages.rejectedClosingSingleLine, closingIndex);
- }
- }
- });
- if (hasFixed) {
- if (!decl.raws.value) {
- decl.value = parsedValue.toString();
- } else {
- decl.raws.value.raw = parsedValue.toString();
- }
- }
- function complain(message, offset) {
- report({
- ruleName,
- result,
- message,
- node: decl,
- index: declarationValueIndex(decl) + offset,
- });
- }
- });
- };
- }
- rule.ruleName = ruleName;
- rule.messages = messages;
- module.exports = rule;
|