bc518174
 王天杨
提交两个项目文件
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var camel2hyphen = require('string-convert/camel2hyphen');
var isDimension = function (feature) {
var re = /[height|width]$/;
return re.test(feature);
};
var obj2mq = function (obj) {
var mq = '';
var features = Object.keys(obj);
features.forEach(function (feature, index) {
var value = obj[feature];
feature = camel2hyphen(feature);
// Add px to dimension features
if (isDimension(feature) && typeof value === 'number') {
value = value + 'px';
}
if (value === true) {
mq += feature;
} else if (value === false) {
mq += 'not ' + feature;
} else {
mq += '(' + feature + ': ' + value + ')';
}
if (index < features.length-1) {
mq += ' and '
}
});
return mq;
};
var json2mq = function (query) {
var mq = '';
if (typeof query === 'string') {
return query;
}
// Handling array of media queries
if (query instanceof Array) {
query.forEach(function (q, index) {
mq += obj2mq(q);
if (index < query.length-1) {
mq += ', '
}
});
return mq;
}
// Handling single media query
return obj2mq(query);
};
module.exports = json2mq;
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