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ClassContainer.js
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55 lines (55 loc) · 1.43 KB
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module.exports = function (info)
{
// (C) Andrea Giammarchi - @WebReflection - MIT Style
var catchClass = /^[A-Z]+[a-z]/;
var register = Object.create(null);
var add = function(Class, tag)
{
tag = tag.toLowerCase();
if (!(tag in register)) {
register[Class] = (register[Class] || []).concat(tag);
register[tag] = (register[tag.toUpperCase()] = Class);
}
};
var keys = Object.keys;
info = info.reduce(
function(prev, item)
{
return Object.assign(prev, item);
}
);
keys(info).forEach(
function(Class)
{
info[Class].forEach(
function(tag)
{
add(Class, tag);
}
)
}
);
return {
get: function(tagOrClass)
{
if(typeof tagOrClass === 'string') {
return register[tagOrClass] || (catchClass.test(tagOrClass) ? [] : '');
} else {
return keys(register).filter(
function(tag)
{
return tagOrClass.test(tag);
}
);
}
},
set: function(tag, Class)
{
if(catchClass.test(tag)) {
return add(tag, Class);
} else {
return add(Class, tag);
}
}
};
};