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'use strict';
const _ = require('lodash');
const declarationValueIndex = require('../../utils/declarationValueIndex');
const isStandardSyntaxFunction = require('../../utils/isStandardSyntaxFunction');
const matchesStringOrRegExp = require('../../utils/matchesStringOrRegExp');
const postcss = require('postcss');
const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const validateOptions = require('../../utils/validateOptions');
const valueParser = require('postcss-value-parser');
const ruleName = 'function-blacklist';
const messages = ruleMessages(ruleName, {
rejected: (name) => `Unexpected function "${name}"`,
});
function rule(blacklist) {
return (root, result) => {
const validOptions = validateOptions(result, ruleName, {
actual: blacklist,
possible: [_.isString, _.isRegExp],
});
if (!validOptions) {
return;
}
root.walkDecls((decl) => {
const value = decl.value;
valueParser(value).walk(function(node) {
if (node.type !== 'function') {
return;
}
if (!isStandardSyntaxFunction(node)) {
return;
}
if (!matchesStringOrRegExp(postcss.vendor.unprefixed(node.value), blacklist)) {
return;
}
report({
message: messages.rejected(node.value),
node: decl,
index: declarationValueIndex(decl) + node.sourceIndex,
result,
ruleName,
});
});
});
};
}
rule.primaryOptionArray = true;
rule.ruleName = ruleName;
rule.messages = messages;
module.exports = rule;
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