7 files changed, 0 insertions, 1020 deletions
diff --git a/node_modules/istanbul-lib-report/lib/context.js b/node_modules/istanbul-lib-report/lib/context.js
deleted file mode 100644
index 034a2b107..000000000
--- a/node_modules/istanbul-lib-report/lib/context.js
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- Copyright 2012-2015, Yahoo Inc.
- Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
- */
-var FileWriter = require('./file-writer'),
-    XMLWriter = require('./xml-writer'),
-    tree = require('./tree'),
-    watermarks = require('./watermarks'),
-    fs = require('fs');
-
-function defaultSourceLookup(path) {
-    try {
-        return fs.readFileSync(path, 'utf8');
-    } catch (ex) {
-        throw new Error('Unable to lookup source: ' + path + '(' + ex.message + ')');
-    }
-}
-
-function mergeWatermarks(specified, defaults) {
-    specified = specified || {};
-    Object.keys(defaults).forEach(function (k) {
-        var specValue = specified[k];
-        if (!(specValue && Array.isArray(specValue) && specValue.length === 2)) {
-            specified[k] = defaults[k];
-        }
-    });
-    return specified;
-}
-/**
- * A reporting context that is passed to report implementations
- * @param {Object} [opts=null] opts options
- * @param {String} [opts.dir='coverage'] opts.dir the reporting directory
- * @param {Object} [opts.watermarks=null] opts.watermarks watermarks for
- *  statements, lines, branches and functions
- * @param {Function} [opts.sourceFinder=fsLookup] opts.sourceFinder a
- *  function that returns source code given a file path. Defaults to
- *  filesystem lookups based on path.
- * @constructor
- */
-function Context(opts) {
-    opts = opts || {};
-    this.dir = opts.dir || 'coverage';
-    this.watermarks = mergeWatermarks(opts.watermarks, watermarks.getDefault());
-    this.sourceFinder = opts.sourceFinder || defaultSourceLookup;
-    this.data = {};
-}
-
-Object.defineProperty(Context.prototype, 'writer', {
-    enumerable: true,
-    get: function () {
-        if (!this.data.writer) {
-            this.data.writer = new FileWriter(this.dir);
-        }
-        return this.data.writer;
-    }
-});
-
-/**
- * returns a FileWriter implementation for reporting use. Also available
- * as the `writer` property on the context.
- * @returns {Writer}
- */
-Context.prototype.getWriter = function () {
-    return this.writer;
-};
-
-/**
- * returns the source code for the specified file path or throws if
- * the source could not be found.
- * @param {String} filePath the file path as found in a file coverage object
- * @returns {String} the source code
- */
-Context.prototype.getSource = function (filePath) {
-    return this.sourceFinder(filePath);
-};
-
-/**
- * returns the coverage class given a coverage
- * types and a percentage value.
- * @param {String} type - the coverage type, one of `statements`, `functions`,
- *  `branches`, or `lines`
- * @param {Number} value - the percentage value
- * @returns {String} one of `high`, `medium` or `low`
- */
-Context.prototype.classForPercent = function (type, value) {
-    var watermarks = this.watermarks[type];
-    if (!watermarks) {
-        return 'unknown';
-    }
-    if (value < watermarks[0]) {
-        return 'low';
-    }
-    if (value >= watermarks[1]) {
-        return 'high';
-    }
-    return 'medium';
-};
-/**
- * returns an XML writer for the supplied content writer
- * @param {ContentWriter} contentWriter the content writer to which the returned XML writer
- *  writes data
- * @returns {XMLWriter}
- */
-Context.prototype.getXMLWriter = function (contentWriter) {
-    return new XMLWriter(contentWriter);
-};
-/**
- * returns a full visitor given a partial one.
- * @param {Object} partialVisitor a partial visitor only having the functions of
- *  interest to the caller. These functions are called with a scope that is the
- *  supplied object.
- * @returns {Visitor}
- */
-Context.prototype.getVisitor = function (partialVisitor) {
-    return new tree.Visitor(partialVisitor);
-};
-
-module.exports = {
-    create: function (opts) {
-        return new Context(opts);
-    }
-};
diff --git a/node_modules/istanbul-lib-report/lib/file-writer.js b/node_modules/istanbul-lib-report/lib/file-writer.js
deleted file mode 100644
index 8db627adf..000000000
--- a/node_modules/istanbul-lib-report/lib/file-writer.js
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- Copyright 2012-2015, Yahoo Inc.
- Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
- */
-var util = require('util'),
-    path = require('path'),
-    fs = require('fs'),
-    mkdirp = require('mkdirp'),
-    supportsColor = require('supports-color'),
-    isAbsolute = path.isAbsolute || /* istanbul ignore next */ function (p) {
-            return path.resolve(p) === path.normalize(p);
-        };
-
-/**
- * abstract interface for writing content
- * @class ContentWriter
- * @constructor
- */
-/* istanbul ignore next: abstract class */
-function ContentWriter() {
-}
-
-/**
- * writes a string as-is to the destination
- * @param {String} str the string to write
- */
-/* istanbul ignore next: abstract class */
-ContentWriter.prototype.write = function () {
-    throw new Error('write: must be overridden');
-};
-
-/**
- * returns the colorized version of a string. Typically,
- * content writers that write to files will return the
- * same string and ones writing to a tty will wrap it in
- * appropriate escape sequences.
- * @param {String} str the string to colorize
- * @param {String} clazz one of `high`, `medium` or `low`
- * @returns {String} the colorized form of the string
- */
-ContentWriter.prototype.colorize = function (str /*, clazz*/) {
-    return str;
-};
-
-/**
- * writes a string appended with a newline to the destination
- * @param {String} str the string to write
- */
-ContentWriter.prototype.println = function (str) {
-    this.write(str + '\n');
-};
-
-/**
- * closes this content writer. Should be called after all writes are complete.
- */
-ContentWriter.prototype.close = function () {
-};
-
-/**
- * a content writer that writes to a file
- * @param {Number} fd - the file descriptor
- * @extends ContentWriter
- * @constructor
- */
-function FileContentWriter(fd) {
-    this.fd = fd;
-}
-util.inherits(FileContentWriter, ContentWriter);
-
-FileContentWriter.prototype.write = function (str) {
-    fs.writeSync(this.fd, str);
-};
-
-FileContentWriter.prototype.close = function () {
-    fs.closeSync(this.fd);
-};
-
-/**
- * a content writer that writes to the console
- * @extends ContentWriter
- * @constructor
- */
-function ConsoleWriter() {
-}
-util.inherits(ConsoleWriter, ContentWriter);
-
-// allow stdout to be captured for tests.
-var capture = false;
-var output = '';
-ConsoleWriter.prototype.write = function (str) {
-    if (capture) {
-        output += str;
-    } else {
-        process.stdout.write(str);
-    }
-};
-
-ConsoleWriter.prototype.colorize = function (str, clazz) {
-    var colors = {
-        low: '31;1',
-        medium: '33;1',
-        high: '32;1'
-    };
-
-    /* istanbul ignore next: different modes for CI and local */
-    if (supportsColor && colors[clazz]) {
-        return '\u001b[' + colors[clazz] + 'm' + str + '\u001b[0m';
-    }
-    return str;
-};
-
-/**
- * utility for writing files under a specific directory
- * @class FileWriter
- * @param {String} baseDir the base directory under which files should be written
- * @constructor
- */
-function FileWriter(baseDir) {
-    if (!baseDir) {
-        throw new Error('baseDir must be specified');
-    }
-    this.baseDir = baseDir;
-}
-
-/**
-* static helpers for capturing stdout report output;
-* super useful for tests!
-*/
-FileWriter.startCapture = function () {
-  capture = true;
-};
-FileWriter.stopCapture = function () {
-  capture = false;
-};
-FileWriter.getOutput = function () {
-  return output;
-};
-FileWriter.resetOutput = function () {
-  output = '';
-};
-
-/**
- * returns a FileWriter that is rooted at the supplied subdirectory
- * @param {String} subdir the subdirectory under which to root the
- *  returned FileWriter
- * @returns {FileWriter}
- */
-FileWriter.prototype.writerForDir = function (subdir) {
-    if (isAbsolute(subdir)) {
-        throw new Error('Cannot create subdir writer for absolute path: ' + subdir);
-    }
-    return new FileWriter(this.baseDir + '/' + subdir);
-};
-/**
- * copies a file from a source directory to a destination name
- * @param {String} source path to source file
- * @param {String} dest relative path to destination file
- */
-FileWriter.prototype.copyFile = function (source, dest) {
-    if (isAbsolute(dest)) {
-        throw new Error('Cannot write to absolute path: ' + dest);
-    }
-    dest = path.resolve(this.baseDir, dest);
-    mkdirp.sync(path.dirname(dest));
-    fs.writeFileSync(dest, fs.readFileSync(source));
-};
-/**
- * returns a content writer for writing content to the supplied file.
- * @param {String|null} file the relative path to the file or the special
- *  values `"-"` or `null` for writing to the console
- * @returns {ContentWriter}
- */
-FileWriter.prototype.writeFile = function (file) {
-    if (file === null || file === '-') {
-        return new ConsoleWriter();
-    }
-    if (isAbsolute(file)) {
-        throw new Error('Cannot write to absolute path: ' + file);
-    }
-    file = path.resolve(this.baseDir, file);
-    mkdirp.sync(path.dirname(file));
-    return new FileContentWriter(fs.openSync(file, 'w'));
-};
-
-module.exports = FileWriter;
diff --git a/node_modules/istanbul-lib-report/lib/path.js b/node_modules/istanbul-lib-report/lib/path.js
deleted file mode 100644
index 9d97e15e3..000000000
--- a/node_modules/istanbul-lib-report/lib/path.js
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- Copyright 2012-2015, Yahoo Inc.
- Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
- */
-"use strict";
-
-var path = require('path'),
-    parsePath = require('path-parse'),
-    SEP = path.sep || /* istanbul ignore next */ '/',
-    origParser = parsePath,
-    origSep = SEP;
-
-function makeRelativeNormalizedPath(str, sep) {
-    var parsed = parsePath(str),
-        root = parsed.root,
-        dir,
-        file = parsed.base,
-        quoted,
-        pos;
-
-    // handle a weird windows case separately
-    if (sep === '\\') {
-        pos = root.indexOf(':\\');
-        if (pos >= 0) {
-            root = root.substring(0, pos + 2);
-        }
-    }
-    dir = parsed.dir.substring(root.length);
-
-    if (str === '') {
-        return [];
-    }
-
-    if (sep !== '/') {
-        quoted = new RegExp(sep.replace(/\W/g, '\\$&'), 'g');
-        dir = dir.replace(quoted, '/');
-        file = file.replace(quoted, '/'); // excessively paranoid?
-    }
-
-    if (dir !== '') {
-        dir = dir + '/' + file;
-    } else {
-        dir = file;
-    }
-    if (dir.substring(0,1) === '/') {
-        dir = dir.substring(1);
-    }
-    dir = dir.split(/\/+/);
-    return dir;
-}
-
-function Path(strOrArray) {
-    if (Array.isArray(strOrArray)) {
-        this.v = strOrArray;
-    } else if (typeof strOrArray === "string") {
-        this.v = makeRelativeNormalizedPath(strOrArray, SEP);
-    } else {
-        throw new Error('Invalid Path argument must be string or array:' + strOrArray);
-    }
-}
-
-Path.prototype.toString = function () {
-    return this.v.join('/');
-};
-
-Path.prototype.hasParent = function () {
-    return this.v.length > 0;
-};
-
-Path.prototype.parent = function () {
-    if (!this.hasParent()) {
-        throw new Error('Unable to get parent for 0 elem path');
-    }
-    var p = this.v.slice();
-    p.pop();
-    return new Path(p);
-};
-
-Path.prototype.elements = function () {
-    return this.v.slice();
-};
-
-Path.prototype.contains = function (other) {
-    var i;
-    if (other.length > this.length) {
-        return false;
-    }
-    for (i = 0; i < other.length; i += 1) {
-        if (this.v[i] !== other.v[i]) {
-            return false;
-        }
-    }
-    return true;
-};
-
-Path.prototype.ancestorOf = function (other) {
-    return other.contains(this) && other.length !== this.length;
-};
-
-Path.prototype.descendantOf = function (other) {
-    return this.contains(other) && other.length !== this.length;
-};
-
-Path.prototype.commonPrefixPath = function (other) {
-    var len = this.length > other.length ? other.length : this.length,
-        i,
-        ret = [];
-
-    for (i = 0; i < len; i +=1 ) {
-        if (this.v[i] === other.v[i]) {
-            ret.push(this.v[i]);
-        } else {
-            break;
-        }
-    }
-    return new Path(ret);
-};
-
-['push', 'pop', 'shift', 'unshift', 'splice'].forEach(function (f) {
-    Path.prototype[f] = function () {
-        var args = Array.prototype.slice.call(arguments),
-            v = this.v;
-        return v[f].apply(v, args);
-    };
-});
-
-Path.compare = function (a, b) {
-    var al = a.length,
-        bl = b.length,
-        astr,
-        bstr;
-    if (al < bl) {
-        return -1;
-    }
-    if (al > bl) {
-        return 1;
-    }
-    astr = a.toString();
-    bstr = b.toString();
-    return astr < bstr ? -1 : astr > bstr ? 1 : 0;
-};
-
-Object.defineProperty(Path.prototype, 'length', {
-    enumerable: true,
-    get: function () {
-        return this.v.length;
-    }
-});
-
-module.exports = Path;
-Path.tester = {
-    setParserAndSep: function (p, sep) {
-        parsePath = p;
-        SEP = sep;
-    },
-    reset: function () {
-        parsePath = origParser;
-        SEP = origSep;
-    }
-};
-
diff --git a/node_modules/istanbul-lib-report/lib/summarizer.js b/node_modules/istanbul-lib-report/lib/summarizer.js
deleted file mode 100644
index ee353b317..000000000
--- a/node_modules/istanbul-lib-report/lib/summarizer.js
+++ /dev/null
@@ -1,284 +0,0 @@
-/*
- Copyright 2012-2015, Yahoo Inc.
- Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
- */
-"use strict";
-
-var Path = require('./path'),
-    util = require('util'),
-    tree = require('./tree'),
-    coverage = require('istanbul-lib-coverage'),
-    BaseNode = tree.Node,
-    BaseTree = tree.Tree;
-
-function ReportNode(path, fileCoverage) {
-    this.path = path;
-    this.parent = null;
-    this.fileCoverage = fileCoverage;
-    this.children = [];
-}
-
-util.inherits(ReportNode, BaseNode);
-
-ReportNode.prototype.addChild = function (child) {
-    child.parent = this;
-    this.children.push(child);
-};
-
-ReportNode.prototype.asRelative = function (p) {
-    /* istanbul ignore if */
-    if (p.substring(0,1) === '/') {
-        return p.substring(1);
-    }
-    return p;
-};
-
-ReportNode.prototype.getQualifiedName = function () {
-    return this.asRelative(this.path.toString());
-};
-
-ReportNode.prototype.getRelativeName = function () {
-    var parent = this.getParent(),
-        myPath = this.path,
-        relPath,
-        i,
-        parentPath = parent ? parent.path : new Path([]);
-    if (parentPath.ancestorOf(myPath)) {
-        relPath = new Path(myPath.elements());
-        for (i = 0; i < parentPath.length; i += 1) {
-            relPath.shift();
-        }
-        return this.asRelative(relPath.toString());
-    }
-    return this.asRelative(this.path.toString());
-};
-
-ReportNode.prototype.getParent = function () {
-    return this.parent;
-};
-
-ReportNode.prototype.getChildren = function () {
-    return this.children;
-};
-
-ReportNode.prototype.isSummary = function () {
-    return !this.fileCoverage;
-};
-
-ReportNode.prototype.getFileCoverage = function () {
-    return this.fileCoverage;
-};
-
-ReportNode.prototype.getCoverageSummary = function (filesOnly) {
-    var cacheProp = 'c_' + (filesOnly ? 'files' : 'full'),
-        summary;
-
-    if (this.hasOwnProperty(cacheProp)) {
-        return this[cacheProp];
-    }
-
-    if (!this.isSummary()) {
-        summary = this.getFileCoverage().toSummary();
-    } else {
-        var count = 0;
-        summary = coverage.createCoverageSummary();
-        this.getChildren().forEach(function (child) {
-            if (filesOnly && child.isSummary()) {
-                return;
-            }
-            count += 1;
-            summary.merge(child.getCoverageSummary(filesOnly));
-        });
-        if (count === 0 && filesOnly) {
-            summary = null;
-        }
-    }
-    this[cacheProp] = summary;
-    return summary;
-};
-
-function treeFor(root, childPrefix) {
-    var tree = new BaseTree(),
-        visitor,
-        maybePrefix = function (node) {
-            if (childPrefix && !node.isRoot()) {
-                node.path.unshift(childPrefix);
-            }
-        };
-    tree.getRoot = function () {
-        return root;
-    };
-    visitor = {
-        onDetail: function (node) {
-            maybePrefix(node);
-        },
-        onSummary: function (node) {
-            maybePrefix(node);
-            node.children.sort(function (a, b) {
-                var astr = a.path.toString(),
-                    bstr = b.path.toString();
-                return astr < bstr ? -1 : astr > bstr ? 1: /* istanbul ignore next */ 0;
-            });
-        }
-    };
-    tree.visit(visitor);
-    return tree;
-}
-
-function findCommonParent(paths) {
-    if (paths.length === 0) {
-        return new Path([]);
-    }
-    var common = paths[0],
-        i;
-
-    for (i = 1; i < paths.length; i += 1) {
-        common = common.commonPrefixPath(paths[i]);
-        if (common.length === 0) {
-            break;
-        }
-    }
-    return common;
-}
-
-function toInitialList(coverageMap) {
-    var ret = [],
-        commonParent;
-    coverageMap.files().forEach(function (filePath) {
-        var p = new Path(filePath),
-            coverage = coverageMap.fileCoverageFor(filePath);
-        ret.push({
-            filePath: filePath,
-            path: p,
-            fileCoverage: coverage
-        });
-    });
-    commonParent = findCommonParent(ret.map(function (o) { return o.path.parent(); }));
-    if (commonParent.length > 0) {
-        ret.forEach(function (o) {
-            o.path.splice(0, commonParent.length);
-        });
-    }
-    return {
-        list: ret,
-        commonParent: commonParent
-    };
-}
-
-function toDirParents(list) {
-    var nodeMap = {},
-        parentNodeList = [];
-    list.forEach(function (o) {
-        var node = new ReportNode(o.path, o.fileCoverage),
-            parentPath = o.path.parent(),
-            parent = nodeMap[parentPath.toString()];
-
-        if (!parent) {
-            parent = new ReportNode(parentPath);
-            nodeMap[parentPath.toString()] = parent;
-            parentNodeList.push(parent);
-        }
-        parent.addChild(node);
-    });
-    return parentNodeList;
-}
-
-function foldIntoParents(nodeList) {
-    var ret = [], i, j;
-
-    // sort by longest length first
-    nodeList.sort(function (a, b) {
-        return -1 * Path.compare(a.path , b.path);
-    });
-
-    for (i = 0; i < nodeList.length; i += 1) {
-        var first = nodeList[i],
-            inserted = false;
-
-        for (j = i + 1; j < nodeList.length; j += 1) {
-            var second = nodeList[j];
-            if (second.path.ancestorOf(first.path)) {
-                second.addChild(first);
-                inserted = true;
-                break;
-            }
-        }
-
-        if (!inserted) {
-            ret.push(first);
-        }
-    }
-    return ret;
-}
-
-function createRoot() {
-    return new ReportNode(new Path([]));
-}
-
-function createNestedSummary(coverageMap) {
-    var flattened = toInitialList(coverageMap),
-        dirParents = toDirParents(flattened.list),
-        topNodes = foldIntoParents(dirParents),
-        root;
-
-    if (topNodes.length === 0) {
-        return treeFor(new ReportNode([]));
-    }
-
-    if (topNodes.length === 1) {
-        return treeFor(topNodes[0]);
-    }
-
-    root = createRoot();
-    topNodes.forEach(function (node) {
-        root.addChild(node);
-    });
-    return treeFor(root);
-}
-
-function createPackageSummary(coverageMap) {
-    var flattened = toInitialList(coverageMap),
-        dirParents = toDirParents(flattened.list),
-        common = flattened.commonParent,
-        prefix,
-        root;
-
-    if (dirParents.length === 1) {
-        root = dirParents[0];
-    } else {
-        root = createRoot();
-        // if one of the dirs is itself the root,
-        // then we need to create a top-level dir
-        dirParents.forEach(function (dp) {
-           if (dp.path.length === 0) {
-               prefix = 'root';
-           }
-        });
-        if (prefix && common.length > 0) {
-            prefix = common.elements()[common.elements().length - 1];
-        }
-        dirParents.forEach(function (node) {
-            root.addChild(node);
-        });
-    }
-    return treeFor(root, prefix);
-}
-
-function createFlatSummary(coverageMap) {
-    var flattened = toInitialList(coverageMap),
-        list = flattened.list,
-        root;
-
-    root = createRoot();
-    list.forEach(function (o) {
-        var node = new ReportNode(o.path, o.fileCoverage);
-        root.addChild(node);
-    });
-    return treeFor(root);
-}
-
-module.exports = {
-    createNestedSummary:  createNestedSummary,
-    createPackageSummary: createPackageSummary,
-    createFlatSummary: createFlatSummary
-};
diff --git a/node_modules/istanbul-lib-report/lib/tree.js b/node_modules/istanbul-lib-report/lib/tree.js
deleted file mode 100644
index 190808d18..000000000
--- a/node_modules/istanbul-lib-report/lib/tree.js
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- Copyright 2012-2015, Yahoo Inc.
- Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
- */
-"use strict";
-
-var util = require('util');
-/**
- * An object with methods that are called during the traversal of the coverage tree.
- * A visitor has the following methods that are called during tree traversal.
- *
- *   * `onStart(root, state)` - called before traversal begins
- *   * `onSummary(node, state)` - called for every summary node
- *   * `onDetail(node, state)` - called for every detail node
- *   * `onSummaryEnd(node, state)` - called after all children have been visited for
- *      a summary node.
- *   * `onEnd(root, state)` - called after traversal ends
- *
- * @param delegate - a partial visitor that only implements the methods of interest
- *  The visitor object supplies the missing methods as noops. For example, reports
- *  that only need the final coverage summary need implement `onStart` and nothing
- *  else. Reports that use only detailed coverage information need implement `onDetail`
- *  and nothing else.
- * @constructor
- */
-function Visitor(delegate) {
-    this.delegate = delegate;
-}
-
-['Start', 'End', 'Summary', 'SummaryEnd', 'Detail' ].forEach(function (k) {
-    var f = 'on' + k;
-    Visitor.prototype[f] = function (node, state) {
-        if (this.delegate[f] && typeof this.delegate[f] === 'function') {
-            this.delegate[f].call(this.delegate, node, state);
-        }
-    };
-});
-
-function CompositeVisitor(visitors) {
-    if (!Array.isArray(visitors)) {
-        visitors = [visitors];
-    }
-    this.visitors = visitors.map(function (v) {
-        if (v instanceof Visitor) {
-            return v;
-        }
-        return new Visitor(v);
-    });
-}
-
-util.inherits(CompositeVisitor, Visitor);
-
-['Start', 'Summary', 'SummaryEnd', 'Detail', 'End'].forEach(function (k) {
-    var f = 'on' + k;
-    CompositeVisitor.prototype[f] = function (node, state) {
-        this.visitors.forEach(function (v) {
-            v[f](node, state);
-        });
-    };
-});
-
-function Node() {
-}
-
-/* istanbul ignore next: abstract method */
-Node.prototype.getQualifiedName = function () {
-    throw new Error('getQualifiedName must be overridden');
-};
-
-/* istanbul ignore next: abstract method */
-Node.prototype.getRelativeName = function () {
-    throw new Error('getRelativeName must be overridden');
-};
-
-/* istanbul ignore next: abstract method */
-Node.prototype.isRoot = function () {
-    return !this.getParent();
-};
-
-/* istanbul ignore next: abstract method */
-Node.prototype.getParent = function () {
-    throw new Error('getParent must be overridden');
-};
-
-/* istanbul ignore next: abstract method */
-Node.prototype.getChildren = function () {
-    throw new Error('getChildren must be overridden');
-};
-
-/* istanbul ignore next: abstract method */
-Node.prototype.isSummary = function () {
-    throw new Error('isSummary must be overridden');
-};
-
-/* istanbul ignore next: abstract method */
-Node.prototype.getCoverageSummary = function (/* filesOnly */) {
-    throw new Error('getCoverageSummary must be overridden');
-};
-
-/* istanbul ignore next: abstract method */
-Node.prototype.getFileCoverage = function () {
-    throw new Error('getFileCoverage must be overridden');
-};
-/**
- * visit all nodes depth-first from this node down. Note that `onStart`
- * and `onEnd` are never called on the visitor even if the current
- * node is the root of the tree.
- * @param visitor a full visitor that is called during tree traversal
- * @param state optional state that is passed around
- */
-Node.prototype.visit = function (visitor, state) {
-
-    var that = this,
-        visitChildren = function () {
-            that.getChildren().forEach(function (child) {
-                child.visit(visitor, state);
-            });
-        };
-
-    if (this.isSummary()) {
-        visitor.onSummary(this, state);
-    } else {
-        visitor.onDetail(this, state);
-    }
-
-    visitChildren();
-
-    if (this.isSummary()) {
-        visitor.onSummaryEnd(this, state);
-    }
-};
-
-/**
- * abstract base class for a coverage tree.
- * @constructor
- */
-function Tree() {
-}
-
-/**
- * returns the root node of the tree
- */
-/* istanbul ignore next: abstract method */
-Tree.prototype.getRoot = function () {
-    throw new Error('getRoot must be overridden');
-};
-
-/**
- * visits the tree depth-first with the supplied partial visitor
- * @param visitor - a potentially partial visitor
- * @param state - the state to be passed around during tree traversal
- */
-Tree.prototype.visit = function (visitor, state) {
-    if (!(visitor instanceof Visitor)) {
-        visitor = new Visitor(visitor);
-    }
-    visitor.onStart(this.getRoot(), state);
-    this.getRoot().visit(visitor, state);
-    visitor.onEnd(this.getRoot(), state);
-};
-
-module.exports = {
-    Tree: Tree,
-    Node: Node,
-    Visitor: Visitor,
-    CompositeVisitor: CompositeVisitor
-};
diff --git a/node_modules/istanbul-lib-report/lib/watermarks.js b/node_modules/istanbul-lib-report/lib/watermarks.js
deleted file mode 100644
index a522129f1..000000000
--- a/node_modules/istanbul-lib-report/lib/watermarks.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
- Copyright 2012-2015, Yahoo Inc.
- Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
- */
-module.exports = {
-    getDefault: function () {
-        return {
-            statements: [50, 80],
-            functions: [50, 80],
-            branches: [50, 80],
-            lines: [50, 80]
-        };
-    }
-};
diff --git a/node_modules/istanbul-lib-report/lib/xml-writer.js b/node_modules/istanbul-lib-report/lib/xml-writer.js
deleted file mode 100644
index 7f372fb3c..000000000
--- a/node_modules/istanbul-lib-report/lib/xml-writer.js
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- Copyright 2012-2015, Yahoo Inc.
- Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
- */
-var INDENT = '  ';
-
-/**
- * a utility class to produce well-formed, indented XML
- * @param {ContentWriter} contentWriter the content writer that this utility wraps
- * @constructor
- */
-function XMLWriter(contentWriter) {
-    this.cw = contentWriter;
-    this.stack = [];
-}
-
-function attrString(attrs) {
-    if (!attrs) {
-        return '';
-    }
-    var ret = [];
-    Object.keys(attrs).forEach(function (k) {
-        var v = attrs[k];
-        ret.push(k + '="' + v + '"');
-    });
-    return ret.length === 0 ? '' : ' ' + ret.join(' ');
-}
-
-XMLWriter.prototype.indent = function (str) {
-    return this.stack.map(function () { return INDENT; }).join('') + str;
-};
-
-/**
- * writes the opening XML tag with the supplied attributes
- * @param {String} name tag name
- * @param {Object} [attrs=null] attrs attributes for the tag
- */
-XMLWriter.prototype.openTag = function (name, attrs) {
-    var str = this.indent('<' + name + attrString(attrs) + '>');
-    this.cw.println(str);
-    this.stack.push(name);
-};
-
-/**
- * closes an open XML tag.
- * @param {String} name - tag name to close. This must match the writer's
- *  notion of the tag that is currently open.
- */
-XMLWriter.prototype.closeTag = function (name) {
-    if (this.stack.length === 0) {
-        throw new Error('Attempt to close tag ' + name + ' when not opened');
-    }
-    var stashed = this.stack.pop(),
-        str = '</' + name + '>';
-
-    if (stashed !== name) {
-        throw new Error('Attempt to close tag ' + name + ' when ' + stashed + ' was the one open');
-    }
-    this.cw.println(this.indent(str));
-};
-/**
- * writes a tag and its value opening and closing it at the same time
- * @param {String} name tag name
- * @param {Object} [attrs=null] attrs tag attributes
- * @param {String} [content=null] content optional tag content
- */
-XMLWriter.prototype.inlineTag = function (name, attrs, content) {
-    var str = '<' + name + attrString(attrs);
-    if (content) {
-        str += '>' + content + '</' + name + '>';
-    } else {
-        str += '/>';
-    }
-    str = this.indent(str);
-    this.cw.println(str);
-};
-/**
- * closes all open tags and ends the document
- */
-XMLWriter.prototype.closeAll = function () {
-    var that = this;
-    this.stack.slice().reverse().forEach(function (name) {
-        that.closeTag(name);
-    });
-};
-
-module.exports = XMLWriter;