51 lines
1.1 KiB
JavaScript
51 lines
1.1 KiB
JavaScript
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var camel2hyphen = require('string-convert/camel2hyphen');
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var isDimension = function (feature) {
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var re = /[height|width]$/;
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return re.test(feature);
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};
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var obj2mq = function (obj) {
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var mq = '';
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var features = Object.keys(obj);
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features.forEach(function (feature, index) {
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var value = obj[feature];
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feature = camel2hyphen(feature);
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// Add px to dimension features
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if (isDimension(feature) && typeof value === 'number') {
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value = value + 'px';
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}
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if (value === true) {
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mq += feature;
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} else if (value === false) {
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mq += 'not ' + feature;
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} else {
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mq += '(' + feature + ': ' + value + ')';
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}
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if (index < features.length-1) {
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mq += ' and '
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}
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});
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return mq;
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};
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var json2mq = function (query) {
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var mq = '';
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if (typeof query === 'string') {
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return query;
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}
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// Handling array of media queries
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if (query instanceof Array) {
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query.forEach(function (q, index) {
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mq += obj2mq(q);
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if (index < query.length-1) {
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mq += ', '
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}
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});
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return mq;
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}
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// Handling single media query
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return obj2mq(query);
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};
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module.exports = json2mq;
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