gulp-jshint-xml-file-reporter/lib/jslint_emitter.js

A JSHint reporter to be used with gulp-jshint that will provide XML (i.e. checkstyle and junit), that can be used by CI tools such as jenkins

/**
 * @fileOverview Convert JSHint's results to a jslint_xml-compatible format
 * @see https://github.com/jshint/jshint/blob/master/src/reporters/jslint_xml.js
 */
'use strict';

exports.getHeader = function () {
    var out = [];
    out.push('<?xml version="1.0" encoding="utf-8"?>');
    out.push('<jslint>\n');
    return out.join('\n');
};

exports.getFooter = function () {
    return '\n</jslint>\n';
};

/**
 * @param    {Array}    results
 * @return {String} XML output
 */
exports.formatContent = function (results) {
    var files = {},
    out = [],
    pairs = {
        '&': '&amp;',
        '"': '&quot;',
        '\'': '&apos;',
        '<': '&lt;',
        '>': '&gt;'
    },
    file, i, issue;

    function encode(s) {
        for (var r in pairs) {
            if (typeof s !== 'undefined') {
                s = s.replace(new RegExp(r, 'g'), pairs[r]);
            }
        }
        return s || '';
    }

    results.forEach(function (result) {
        result.file = result.file.replace(/^\.\//, '');
        if (!files[result.file]) {
            files[result.file] = [];
        }
        files[result.file].push(result.error);
    });

    for (file in files) {
        out.push('\t<file name="' + file + '">');
        for (i = 0; i < files[file].length; i++) {
            issue = files[file][i];
            out.push('\t\t<issue line="' + issue.line +
                '" char="' + issue.character +
                '" reason="' + encode(issue.reason) +
                '" evidence="' + encode(issue.evidence) +
                (issue.code ? '" severity="' + encode(issue.code.charAt(0)) : '') +
                '" />');
        }
        out.push('\t</file>');
    }

    return out.join('\n');
};