postcss-gtk/lib/value-hook.js

Processes GTK+ CSS into browser CSS

// Generated by CoffeeScript 1.9.1
(function() {
  var postcss, valueHooks;

  postcss = require("postcss");

  valueHooks = [];

  module.exports = postcss.plugin("gtk-color-variables", function() {
    return function(css, processor) {
      return css.eachDecl(function(decl) {
        return decl.value = module.exports.hook(decl.value, decl);
      });
    };
  });

  module.exports.hook = function(value, node) {
    var fn, i, len, str;
    str = value;
    if (str === "") {
      return str;
    }
    for (i = 0, len = valueHooks.length; i < len; i++) {
      fn = valueHooks[i];
      str = fn(str, node);
      if (typeof str !== "string") {
        throw new Error("Value hook returned " + (typeof str));
      }
    }
    return str;
  };

  module.exports.add = function(hook) {
    return valueHooks.push(hook);
  };

}).call(this);