101 lines
No EOL
2.7 KiB
JavaScript
Executable file
101 lines
No EOL
2.7 KiB
JavaScript
Executable file
var postcss = require('postcss');
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var unitless = {
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'box-flex': true,
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'box-flex-group': true,
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'column-count': true,
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'flex': true,
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'flex-grow': true,
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'flex-positive': true,
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'flex-shrink': true,
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'flex-negative': true,
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'font-weight': true,
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'line-clamp': true,
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'line-height': true,
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'opacity': true,
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'order': true,
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'orphans': true,
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'tab-size': true,
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'widows': true,
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'z-index': true,
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'zoom': true,
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'fill-opacity': true,
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'stroke-dashoffset': true,
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'stroke-opacity': true,
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'stroke-width': true
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};
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function dashify(str) {
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return str.replace(/([A-Z])/g, '-$1')
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.replace(/^ms-/, '-ms-')
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.toLowerCase();
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}
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function decl(parent, name, value) {
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if ( value === false || value === null ) return;
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name = dashify(name);
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if ( typeof value === 'number' ) {
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if ( value === 0 || unitless[name] ) {
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value = value.toString();
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} else {
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value += 'px';
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}
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}
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if ( name === 'css-float' ) name = 'float';
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parent.push(postcss.decl({ prop: name, value: value }));
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}
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function atRule(parent, parts, value) {
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var node = postcss.atRule({ name: parts[1], params: parts[3] || '' });
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if ( typeof value === 'object' ) {
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node.nodes = [];
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parse(value, node);
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}
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parent.push(node);
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}
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function parse(obj, parent) {
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var name, value, node, i;
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for ( name in obj ) {
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if ( obj.hasOwnProperty(name) ) {
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value = obj[name];
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if ( name[0] === '@' ) {
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var parts = name.match(/@([^\s]+)(\s+([\w\W]*)\s*)?/);
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if ( Array.isArray(value) ) {
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for ( i = 0; i < value.length; i++ ) {
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atRule(parent, parts, value[i]);
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}
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} else {
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atRule(parent, parts, value);
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}
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} else if ( Array.isArray(value) ) {
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for ( i = 0; i < value.length; i++ ) {
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decl(parent, name, value[i]);
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}
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} else if ( typeof value === 'object' && value !== null ) {
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node = postcss.rule({ selector: name });
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parse(value, node);
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parent.push(node);
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} else {
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decl(parent, name, value);
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}
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}
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}
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}
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module.exports = function (obj) {
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var root = postcss.root();
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parse(obj, root);
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return root;
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};
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//////////////////
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// WEBPACK FOOTER
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// ./~/postcss-js/parser.js
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// module id = 2654
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// module chunks = 4
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