CSS Lint API

csslint-api.js

//include
var CSSLint = require("csslint").CSSLint;

/*
 * Basic usage
 * First argument is the CSS text.
 * Second argument is the options object. Name is the ID of the rule (see wiki) set to 
 * either 1 for a warning or 2 for an error.
 */
var result = CSSLint.verify(".foo { }", { "compatible-vendor-prefixes": 1 }),
    messages = result.messages;

/*
 * Each object in the messages array has:
 * - message - the actual warning text
 * - evidence - the line of code that triggered the message
 * - line - the line number 
 * - col - the column number
 * - type - the type of message ("error" or "warning")
 */
messages.forEach(function (message, i) {
    output = output + "\n\n" + shortFilename;
    if (message.rollup) {
        output += "\n" + (i+1) + ": " + message.type;
        output += "\n" + message.message;
    } else {
        output += "\n" + (i+1) + ": " + message.type + " at line " + message.line + ", col " + message.col;
        output += "\n" + message.message;
        output += "\n" + message.evidence;
    }
});