Function getVars

lib/vars.js:18–32

(file)

// Parse variables from a file with postcss.
function getVars(file) {
  let contents = fs.readFileSync(file, 'utf8');
  let root = postcss.parse(contents);

  let vars = {};
  root.walkRules(rule => {
    rule.walkDecls(decl => {
      if (customPropertyRegExp.test(decl.prop)) {
        vars[decl.prop] = decl.value;
      }
    });
  });

  return vars;
}

// Find variables with unique values, and create a mapping between them.
function getUniqueVars(vars) {