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Stored size: 1.88 KB
Contents
'use strict';
const autoprefixer = require('autoprefixer');
const Browsers = require('autoprefixer/lib/browsers');
const Prefixes = require('autoprefixer/lib/prefixes');
/**
* Use Autoprefixer's secret powers to determine whether or
* not a certain CSS identifier contains a vendor prefix that
* Autoprefixer, given the standardized identifier, could add itself.
*
* Used by `*-no-vendor-prefix-*` rules to find superfluous
* vendor prefixes.
*/
const prefixes = new Prefixes(
autoprefixer.data.prefixes,
new Browsers(autoprefixer.data.browsers, []),
);
/**
* Most identifier types have to be looked up in a unique way,
* so we're exposing special functions for each.
*/
module.exports = {
/**
* @param {string} identifier
* @returns {boolean}
*/
atRuleName(identifier) {
return Boolean(prefixes.remove[`@${identifier.toLowerCase()}`]);
},
/**
* @param {string} identifier
* @returns {boolean}
*/
selector(identifier) {
return prefixes.remove.selectors.some((/** @type {{ prefixed: string}} */ selectorObj) => {
return identifier.toLowerCase() === selectorObj.prefixed;
});
},
/**
* @param {string} identifier
* @returns {boolean}
*/
mediaFeatureName(identifier) {
return identifier.toLowerCase().includes('device-pixel-ratio');
},
/**
* @param {string} identifier
* @returns {boolean}
*/
property(identifier) {
return Boolean(autoprefixer.data.prefixes[prefixes.unprefixed(identifier.toLowerCase())]);
},
/**
*
* @param {string} prop
* @param {string} value
* @returns {boolean}
*/
propertyValue(prop, value) {
const possiblePrefixableValues =
(prefixes.remove[prop.toLowerCase()] && prefixes.remove[prop.toLowerCase()].values) || false;
return (
possiblePrefixableValues &&
possiblePrefixableValues.some((/** @type {{ prefixed: string}} */ valueObj) => {
return value.toLowerCase() === valueObj.prefixed;
})
);
},
};
Version data entries
23 entries across 23 versions & 1 rubygems