2017-06-08_509bba0/509bba0_unpacked_with_node_modules/~/postcss-js/parser.js
2022-07-26 10:06:20 -07:00

101 lines
No EOL
2.7 KiB
JavaScript
Executable file

var postcss = require('postcss');
var unitless = {
'box-flex': true,
'box-flex-group': true,
'column-count': true,
'flex': true,
'flex-grow': true,
'flex-positive': true,
'flex-shrink': true,
'flex-negative': true,
'font-weight': true,
'line-clamp': true,
'line-height': true,
'opacity': true,
'order': true,
'orphans': true,
'tab-size': true,
'widows': true,
'z-index': true,
'zoom': true,
'fill-opacity': true,
'stroke-dashoffset': true,
'stroke-opacity': true,
'stroke-width': true
};
function dashify(str) {
return str.replace(/([A-Z])/g, '-$1')
.replace(/^ms-/, '-ms-')
.toLowerCase();
}
function decl(parent, name, value) {
if ( value === false || value === null ) return;
name = dashify(name);
if ( typeof value === 'number' ) {
if ( value === 0 || unitless[name] ) {
value = value.toString();
} else {
value += 'px';
}
}
if ( name === 'css-float' ) name = 'float';
parent.push(postcss.decl({ prop: name, value: value }));
}
function atRule(parent, parts, value) {
var node = postcss.atRule({ name: parts[1], params: parts[3] || '' });
if ( typeof value === 'object' ) {
node.nodes = [];
parse(value, node);
}
parent.push(node);
}
function parse(obj, parent) {
var name, value, node, i;
for ( name in obj ) {
if ( obj.hasOwnProperty(name) ) {
value = obj[name];
if ( name[0] === '@' ) {
var parts = name.match(/@([^\s]+)(\s+([\w\W]*)\s*)?/);
if ( Array.isArray(value) ) {
for ( i = 0; i < value.length; i++ ) {
atRule(parent, parts, value[i]);
}
} else {
atRule(parent, parts, value);
}
} else if ( Array.isArray(value) ) {
for ( i = 0; i < value.length; i++ ) {
decl(parent, name, value[i]);
}
} else if ( typeof value === 'object' && value !== null ) {
node = postcss.rule({ selector: name });
parse(value, node);
parent.push(node);
} else {
decl(parent, name, value);
}
}
}
}
module.exports = function (obj) {
var root = postcss.root();
parse(obj, root);
return root;
};
//////////////////
// WEBPACK FOOTER
// ./~/postcss-js/parser.js
// module id = 2654
// module chunks = 4