transform-decl.js
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(function() {
var Declaration, TransformDecl,
extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
hasProp = {}.hasOwnProperty;
Declaration = require('../declaration');
TransformDecl = (function(superClass) {
extend(TransformDecl, superClass);
function TransformDecl() {
return TransformDecl.__super__.constructor.apply(this, arguments);
}
TransformDecl.names = ['transform', 'transform-origin'];
TransformDecl.functions3d = ['matrix3d', 'translate3d', 'translateZ', 'scale3d', 'scaleZ', 'rotate3d', 'rotateX', 'rotateY', 'perspective'];
TransformDecl.prototype.keyframeParents = function(decl) {
var parent;
parent = decl.parent;
while (parent) {
if (parent.type === 'atrule' && parent.name === 'keyframes') {
return true;
}
parent = parent.parent;
}
return false;
};
TransformDecl.prototype.contain3d = function(decl) {
var func, i, len, ref;
if (decl.prop === 'transform-origin') {
return false;
}
ref = TransformDecl.functions3d;
for (i = 0, len = ref.length; i < len; i++) {
func = ref[i];
if (decl.value.indexOf(func + "(") !== -1) {
return true;
}
}
return false;
};
TransformDecl.prototype.set = function(decl, prefix) {
decl = TransformDecl.__super__.set.apply(this, arguments);
if (prefix === '-ms-') {
decl.value = decl.value.replace(/rotateZ/gi, 'rotate');
}
return decl;
};
TransformDecl.prototype.insert = function(decl, prefix, prefixes) {
if (prefix === '-ms-') {
if (!this.contain3d(decl) && !this.keyframeParents(decl)) {
return TransformDecl.__super__.insert.apply(this, arguments);
}
} else if (prefix === '-o-') {
if (!this.contain3d(decl)) {
return TransformDecl.__super__.insert.apply(this, arguments);
}
} else {
return TransformDecl.__super__.insert.apply(this, arguments);
}
};
return TransformDecl;
})(Declaration);
module.exports = TransformDecl;
}).call(this);