shift73k/assets_old/node_modules/postcss-prefix-selector/index.js

64 lines
1.6 KiB
JavaScript

module.exports = function postcssPrefixSelector(options) {
const prefix = options.prefix;
const prefixWithSpace = /\s+$/.test(prefix) ? prefix : `${prefix} `;
const ignoreFiles = options.ignoreFiles ? [].concat(options.ignoreFiles) : [];
const includeFiles = options.includeFiles
? [].concat(options.includeFiles)
: [];
return function (root) {
if (
ignoreFiles.length &&
root.source.input.file &&
ignoreFiles.some((file) => root.source.input.file.includes(file))
) {
return;
}
if (
includeFiles.length &&
root.source.input.file &&
!includeFiles.find((file) => root.source.input.file.includes(file))
) {
return;
}
root.walkRules((rule) => {
const keyframeRules = [
'keyframes',
'-webkit-keyframes',
'-moz-keyframes',
'-o-keyframes',
];
if (rule.parent && keyframeRules.includes(rule.parent.name)) {
return;
}
rule.selectors = rule.selectors.map((selector) => {
if (options.exclude && excludeSelector(selector, options.exclude)) {
return selector;
}
if (options.transform) {
return options.transform(
prefix,
selector,
prefixWithSpace + selector
);
}
return prefixWithSpace + selector;
});
});
};
};
function excludeSelector(selector, excludeArr) {
return excludeArr.some((excludeRule) => {
if (excludeRule instanceof RegExp) {
return excludeRule.test(selector);
}
return selector === excludeRule;
});
}