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2020-11-01 22:46:04 +00:00

169 lines
4.5 KiB
JavaScript

// @ts-nocheck
'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;
}
// Ignore function without parameters
if (!valueNode.nodes.length) {
return;
}
const functionString = valueParser.stringify(valueNode);
const isSingleLine = isSingleLineString(functionString);
// Check opening ...
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);
}
}
// Check closing ...
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;