'use strict';

exports.__esModule = true;
/**
 * Contains helpers for working with vendor prefixes.
 *
 * @example
 * const vendor = postcss.vendor;
 *
 * @namespace vendor
 */
var vendor = {

    /**
     * Returns the vendor prefix extracted from an input string.
     *
     * @param {string} prop - string with or without vendor prefix
     *
     * @return {string} vendor prefix or empty string
     *
     * @example
     * postcss.vendor.prefix('-moz-tab-size') //=> '-moz-'
     * postcss.vendor.prefix('tab-size')      //=> ''
     */
    prefix: function prefix(prop) {
        if (prop[0] === '-') {
            var sep = prop.indexOf('-', 1);
            return prop.substr(0, sep + 1);
        } else {
            return '';
        }
    },


    /**
     * Returns the input string stripped of its vendor prefix.
     *
     * @param {string} prop - string with or without vendor prefix
     *
     * @return {string} string name without vendor prefixes
     *
     * @example
     * postcss.vendor.unprefixed('-moz-tab-size') //=> 'tab-size'
     */
    unprefixed: function unprefixed(prop) {
        if (prop[0] === '-') {
            var sep = prop.indexOf('-', 1);
            return prop.substr(sep + 1);
        } else {
            return prop;
        }
    }
};

exports.default = vendor;
module.exports = exports['default'];
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