| 1 | /**
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| 2 | * Contains helpers for working with vendor prefixes.
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| 3 | *
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| 4 | * Copied from https://github.com/postcss/postcss/commit/777c55b5d2a10605313a4972888f4f32005f5ac2
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| 5 | *
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| 6 | * @namespace vendor
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| 7 | */
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| 8 | let vendor = {
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| 9 | /**
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| 10 | * Returns the vendor prefix extracted from an input string.
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| 11 | *
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| 12 | * @param {string} prop String with or without vendor prefix.
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| 13 | *
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| 14 | * @return {string} vendor prefix or empty string
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| 15 | *
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| 16 | * @example
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| 17 | * vendor.prefix('-moz-tab-size') //=> '-moz-'
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| 18 | * vendor.prefix('tab-size') //=> ''
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| 19 | */
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| 20 | prefix(prop) {
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| 21 | let match = prop.match(/^(-\w+-)/);
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| 22 |
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| 23 | if (match) {
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| 24 | return match[0];
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| 25 | }
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| 26 |
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| 27 | return '';
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| 28 | },
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| 29 |
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| 30 | /**
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| 31 | * Returns the input string stripped of its vendor prefix.
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| 32 | *
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| 33 | * @param {string} prop String with or without vendor prefix.
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| 34 | *
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| 35 | * @return {string} String name without vendor prefixes.
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| 36 | *
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| 37 | * @example
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| 38 | * vendor.unprefixed('-moz-tab-size') //=> 'tab-size'
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| 39 | */
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| 40 | unprefixed(prop) {
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| 41 | return prop.replace(/^-\w+-/, '');
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| 42 | },
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| 43 | };
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| 44 |
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| 45 | module.exports = vendor;
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