Current Dev State

static/js/ketcher2/node_modules/eslint/lib/util/comment-event-generator.js

@@ -0,0 +1,116 @@
+/**
+ * @fileoverview The event generator for comments.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Check collection of comments to prevent double event for comment as
+ * leading and trailing, then emit event if passing
+ * @param {ASTNode[]} comments - Collection of comment nodes
+ * @param {EventEmitter} emitter - The event emitter which is the destination of events.
+ * @param {Object[]} locs - List of locations of previous comment nodes
+ * @param {string} eventName - Event name postfix
+ * @returns {void}
+ */
+function emitComments(comments, emitter, locs, eventName) {
+    if (comments.length > 0) {
+        comments.forEach(node => {
+            const index = locs.indexOf(node.loc);
+
+            if (index >= 0) {
+                locs.splice(index, 1);
+            } else {
+                locs.push(node.loc);
+                emitter.emit(node.type + eventName, node);
+            }
+        });
+    }
+}
+
+/**
+ * Shortcut to check and emit enter of comment nodes
+ * @param {CommentEventGenerator} generator - A generator to emit.
+ * @param {ASTNode[]} comments - Collection of comment nodes
+ * @returns {void}
+ */
+function emitCommentsEnter(generator, comments) {
+    emitComments(
+        comments,
+        generator.emitter,
+        generator.commentLocsEnter,
+        "Comment");
+}
+
+/**
+ * Shortcut to check and emit exit of comment nodes
+ * @param {CommentEventGenerator} generator - A generator to emit.
+ * @param {ASTNode[]} comments Collection of comment nodes
+ * @returns {void}
+ */
+function emitCommentsExit(generator, comments) {
+    emitComments(
+        comments,
+        generator.emitter,
+        generator.commentLocsExit,
+        "Comment:exit");
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * The event generator for comments.
+ * This is the decorator pattern.
+ * This generates events of comments before/after events which are generated the original generator.
+ *
+ * Comment event generator class
+ */
+class CommentEventGenerator {
+
+    /**
+     * @param {EventGenerator} originalEventGenerator - An event generator which is the decoration target.
+     * @param {SourceCode} sourceCode - A source code which has comments.
+     */
+    constructor(originalEventGenerator, sourceCode) {
+        this.original = originalEventGenerator;
+        this.emitter = originalEventGenerator.emitter;
+        this.sourceCode = sourceCode;
+        this.commentLocsEnter = [];
+        this.commentLocsExit = [];
+    }
+
+    /**
+     * Emits an event of entering comments.
+     * @param {ASTNode} node - A node which was entered.
+     * @returns {void}
+     */
+    enterNode(node) {
+        const comments = this.sourceCode.getComments(node);
+
+        emitCommentsEnter(this, comments.leading);
+        this.original.enterNode(node);
+        emitCommentsEnter(this, comments.trailing);
+    }
+
+    /**
+     * Emits an event of leaving comments.
+     * @param {ASTNode} node - A node which was left.
+     * @returns {void}
+     */
+    leaveNode(node) {
+        const comments = this.sourceCode.getComments(node);
+
+        emitCommentsExit(this, comments.trailing);
+        this.original.leaveNode(node);
+        emitCommentsExit(this, comments.leading);
+    }
+}
+
+module.exports = CommentEventGenerator;

static/js/ketcher2/node_modules/eslint/lib/util/fix-tracker.js

@@ -0,0 +1,121 @@
+/**
+ * @fileoverview Helper class to aid in constructing fix commands.
+ * @author Alan Pierce
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const astUtils = require("../ast-utils");
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * A helper class to combine fix options into a fix command. Currently, it
+ * exposes some "retain" methods that extend the range of the text being
+ * replaced so that other fixes won't touch that region in the same pass.
+ */
+class FixTracker {
+
+    /**
+     * Create a new FixTracker.
+     *
+     * @param {ruleFixer} fixer A ruleFixer instance.
+     * @param {SourceCode} sourceCode A SourceCode object for the current code.
+     */
+    constructor(fixer, sourceCode) {
+        this.fixer = fixer;
+        this.sourceCode = sourceCode;
+        this.retainedRange = null;
+    }
+
+    /**
+     * Mark the given range as "retained", meaning that other fixes may not
+     * may not modify this region in the same pass.
+     *
+     * @param {int[]} range The range to retain.
+     * @returns {FixTracker} The same RuleFixer, for chained calls.
+     */
+    retainRange(range) {
+        this.retainedRange = range;
+        return this;
+    }
+
+    /**
+     * Given a node, find the function containing it (or the entire program) and
+     * mark it as retained, meaning that other fixes may not modify it in this
+     * pass. This is useful for avoiding conflicts in fixes that modify control
+     * flow.
+     *
+     * @param {ASTNode} node The node to use as a starting point.
+     * @returns {FixTracker} The same RuleFixer, for chained calls.
+     */
+    retainEnclosingFunction(node) {
+        const functionNode = astUtils.getUpperFunction(node);
+
+        return this.retainRange(
+            functionNode ? functionNode.range : this.sourceCode.ast.range);
+    }
+
+    /**
+     * Given a node or token, find the token before and afterward, and mark that
+     * range as retained, meaning that other fixes may not modify it in this
+     * pass. This is useful for avoiding conflicts in fixes that make a small
+     * change to the code where the AST should not be changed.
+     *
+     * @param {ASTNode|Token} nodeOrToken The node or token to use as a starting
+     *      point. The token to the left and right are use in the range.
+     * @returns {FixTracker} The same RuleFixer, for chained calls.
+     */
+    retainSurroundingTokens(nodeOrToken) {
+        const tokenBefore = this.sourceCode.getTokenBefore(nodeOrToken) || nodeOrToken;
+        const tokenAfter = this.sourceCode.getTokenAfter(nodeOrToken) || nodeOrToken;
+
+        return this.retainRange([tokenBefore.range[0], tokenAfter.range[1]]);
+    }
+
+    /**
+     * Create a fix command that replaces the given range with the given text,
+     * accounting for any retained ranges.
+     *
+     * @param {int[]} range The range to remove in the fix.
+     * @param {string} text The text to insert in place of the range.
+     * @returns {Object} The fix command.
+     */
+    replaceTextRange(range, text) {
+        let actualRange;
+
+        if (this.retainedRange) {
+            actualRange = [
+                Math.min(this.retainedRange[0], range[0]),
+                Math.max(this.retainedRange[1], range[1])
+            ];
+        } else {
+            actualRange = range;
+        }
+
+        return this.fixer.replaceTextRange(
+            actualRange,
+            this.sourceCode.text.slice(actualRange[0], range[0]) +
+                text +
+                this.sourceCode.text.slice(range[1], actualRange[1])
+        );
+    }
+
+    /**
+     * Create a fix command that removes the given node or token, accounting for
+     * any retained ranges.
+     *
+     * @param {ASTNode|Token} nodeOrToken The node or token to remove.
+     * @returns {Object} The fix command.
+     */
+    remove(nodeOrToken) {
+        return this.replaceTextRange(nodeOrToken.range, "");
+    }
+}
+
+module.exports = FixTracker;

static/js/ketcher2/node_modules/eslint/lib/util/glob-util.js

@@ -0,0 +1,183 @@
+/**
+ * @fileoverview Utilities for working with globs and the filesystem.
+ * @author Ian VanSchooten
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs"),
+    path = require("path"),
+    GlobSync = require("./glob"),
+    shell = require("shelljs"),
+
+    pathUtil = require("./path-util"),
+    IgnoredPaths = require("../ignored-paths");
+
+const debug = require("debug")("eslint:glob-util");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Checks if a provided path is a directory and returns a glob string matching
+ * all files under that directory if so, the path itself otherwise.
+ *
+ * Reason for this is that `glob` needs `/**` to collect all the files under a
+ * directory where as our previous implementation without `glob` simply walked
+ * a directory that is passed. So this is to maintain backwards compatibility.
+ *
+ * Also makes sure all path separators are POSIX style for `glob` compatibility.
+ *
+ * @param {Object}   [options]                    An options object
+ * @param {string[]} [options.extensions=[".js"]] An array of accepted extensions
+ * @param {string}   [options.cwd=process.cwd()]  The cwd to use to resolve relative pathnames
+ * @returns {Function} A function that takes a pathname and returns a glob that
+ *                     matches all files with the provided extensions if
+ *                     pathname is a directory.
+ */
+function processPath(options) {
+    const cwd = (options && options.cwd) || process.cwd();
+    let extensions = (options && options.extensions) || [".js"];
+
+    extensions = extensions.map(ext => ext.replace(/^\./, ""));
+
+    let suffix = "/**";
+
+    if (extensions.length === 1) {
+        suffix += `/*.${extensions[0]}`;
+    } else {
+        suffix += `/*.{${extensions.join(",")}}`;
+    }
+
+    /**
+     * A function that converts a directory name to a glob pattern
+     *
+     * @param {string} pathname The directory path to be modified
+     * @returns {string} The glob path or the file path itself
+     * @private
+     */
+    return function(pathname) {
+        let newPath = pathname;
+        const resolvedPath = path.resolve(cwd, pathname);
+
+        if (shell.test("-d", resolvedPath)) {
+            newPath = pathname.replace(/[/\\]$/, "") + suffix;
+        }
+
+        return pathUtil.convertPathToPosix(newPath);
+    };
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Resolves any directory patterns into glob-based patterns for easier handling.
+ * @param   {string[]} patterns    File patterns (such as passed on the command line).
+ * @param   {Object} options       An options object.
+ * @returns {string[]} The equivalent glob patterns and filepath strings.
+ */
+function resolveFileGlobPatterns(patterns, options) {
+
+    const processPathExtensions = processPath(options);
+
+    return patterns.filter(p => p.length).map(processPathExtensions);
+}
+
+/**
+ * Build a list of absolute filesnames on which ESLint will act.
+ * Ignored files are excluded from the results, as are duplicates.
+ *
+ * @param   {string[]} globPatterns            Glob patterns.
+ * @param   {Object}   [options]               An options object.
+ * @param   {string}   [options.cwd]           CWD (considered for relative filenames)
+ * @param   {boolean}  [options.ignore]        False disables use of .eslintignore.
+ * @param   {string}   [options.ignorePath]    The ignore file to use instead of .eslintignore.
+ * @param   {string}   [options.ignorePattern] A pattern of files to ignore.
+ * @returns {string[]} Resolved absolute filenames.
+ */
+function listFilesToProcess(globPatterns, options) {
+    options = options || { ignore: true };
+    const files = [],
+        added = {};
+
+    const cwd = (options && options.cwd) || process.cwd();
+
+    /**
+     * Executes the linter on a file defined by the `filename`. Skips
+     * unsupported file extensions and any files that are already linted.
+     * @param {string} filename The file to be processed
+     * @param {boolean} shouldWarnIgnored Whether or not a report should be made if
+     *                                    the file is ignored
+     * @param {IgnoredPaths} ignoredPaths An instance of IgnoredPaths
+     * @returns {void}
+     */
+    function addFile(filename, shouldWarnIgnored, ignoredPaths) {
+        let ignored = false;
+        let isSilentlyIgnored;
+
+        if (ignoredPaths.contains(filename, "default")) {
+            ignored = (options.ignore !== false) && shouldWarnIgnored;
+            isSilentlyIgnored = !shouldWarnIgnored;
+        }
+
+        if (options.ignore !== false) {
+            if (ignoredPaths.contains(filename, "custom")) {
+                if (shouldWarnIgnored) {
+                    ignored = true;
+                } else {
+                    isSilentlyIgnored = true;
+                }
+            }
+        }
+
+        if (isSilentlyIgnored && !ignored) {
+            return;
+        }
+
+        if (added[filename]) {
+            return;
+        }
+        files.push({ filename, ignored });
+        added[filename] = true;
+    }
+
+    debug("Creating list of files to process.");
+    globPatterns.forEach(pattern => {
+        const file = path.resolve(cwd, pattern);
+
+        if (shell.test("-f", file)) {
+            const ignoredPaths = new IgnoredPaths(options);
+
+            addFile(fs.realpathSync(file), !shell.test("-d", file), ignoredPaths);
+        } else {
+
+            // regex to find .hidden or /.hidden patterns, but not ./relative or ../relative
+            const globIncludesDotfiles = /(?:(?:^\.)|(?:[/\\]\.))[^/\\.].*/.test(pattern);
+
+            const ignoredPaths = new IgnoredPaths(Object.assign({}, options, { dotfiles: options.dotfiles || globIncludesDotfiles }));
+            const shouldIgnore = ignoredPaths.getIgnoredFoldersGlobChecker();
+            const globOptions = {
+                nodir: true,
+                dot: true,
+                cwd
+            };
+
+            new GlobSync(pattern, globOptions, shouldIgnore).found.forEach(globMatch => {
+                addFile(path.resolve(cwd, globMatch), false, ignoredPaths);
+            });
+        }
+    });
+
+    return files;
+}
+
+module.exports = {
+    resolveFileGlobPatterns,
+    listFilesToProcess
+};

static/js/ketcher2/node_modules/eslint/lib/util/glob.js

@@ -0,0 +1,63 @@
+/**
+ * @fileoverview An inherited `glob.GlobSync` to support .gitignore patterns.
+ * @author Kael Zhang
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Sync = require("glob").GlobSync,
+    util = require("util");
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+const IGNORE = Symbol("ignore");
+
+/**
+ * Subclass of `glob.GlobSync`
+ * @param {string}     pattern      Pattern to be matched.
+ * @param {Object}     options      `options` for `glob`
+ * @param {function()} shouldIgnore Method to check whether a directory should be ignored.
+ * @constructor
+ */
+function GlobSync(pattern, options, shouldIgnore) {
+
+    /**
+     * We don't put this thing to argument `options` to avoid
+     * further problems, such as `options` validation.
+     *
+     * Use `Symbol` as much as possible to avoid confliction.
+     */
+    this[IGNORE] = shouldIgnore;
+
+    Sync.call(this, pattern, options);
+}
+
+util.inherits(GlobSync, Sync);
+
+/* eslint no-underscore-dangle: ["error", { "allow": ["_readdir", "_mark"] }] */
+
+GlobSync.prototype._readdir = function(abs, inGlobStar) {
+
+    /**
+     * `options.nodir` makes `options.mark` as `true`.
+     * Mark `abs` first
+     * to make sure `"node_modules"` will be ignored immediately with ignore pattern `"node_modules/"`.
+
+     * There is a built-in cache about marked `File.Stat` in `glob`, so that we could not worry about the extra invocation of `this._mark()`
+     */
+    const marked = this._mark(abs);
+
+    if (this[IGNORE](marked)) {
+        return null;
+    }
+
+    return Sync.prototype._readdir.call(this, abs, inGlobStar);
+};
+
+
+module.exports = GlobSync;

static/js/ketcher2/node_modules/eslint/lib/util/hash.js

@@ -0,0 +1,35 @@
+/**
+ * @fileoverview Defining the hashing function in one place.
+ * @author Michael Ficarra
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const murmur = require("imurmurhash");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * hash the given string
+ * @param  {string} str the string to hash
+ * @returns {string}    the hash
+ */
+function hash(str) {
+    return murmur(str).result().toString(36);
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = hash;

static/js/ketcher2/node_modules/eslint/lib/util/keywords.js

@@ -0,0 +1,67 @@
+/**
+ * @fileoverview A shared list of ES3 keywords.
+ * @author Josh Perez
+ */
+"use strict";
+
+module.exports = [
+    "abstract",
+    "boolean",
+    "break",
+    "byte",
+    "case",
+    "catch",
+    "char",
+    "class",
+    "const",
+    "continue",
+    "debugger",
+    "default",
+    "delete",
+    "do",
+    "double",
+    "else",
+    "enum",
+    "export",
+    "extends",
+    "false",
+    "final",
+    "finally",
+    "float",
+    "for",
+    "function",
+    "goto",
+    "if",
+    "implements",
+    "import",
+    "in",
+    "instanceof",
+    "int",
+    "interface",
+    "long",
+    "native",
+    "new",
+    "null",
+    "package",
+    "private",
+    "protected",
+    "public",
+    "return",
+    "short",
+    "static",
+    "super",
+    "switch",
+    "synchronized",
+    "this",
+    "throw",
+    "throws",
+    "transient",
+    "true",
+    "try",
+    "typeof",
+    "var",
+    "void",
+    "volatile",
+    "while",
+    "with"
+];

static/js/ketcher2/node_modules/eslint/lib/util/module-resolver.js

@@ -0,0 +1,85 @@
+/**
+ * @fileoverview Implements the Node.js require.resolve algorithm
+ * @author Nicholas C. Zakas
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const Module = require("module");
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+const DEFAULT_OPTIONS = {
+
+    /*
+     * module.paths is an array of paths to search for resolving things relative
+     * to this file. Module.globalPaths contains all of the special Node.js
+     * directories that can also be searched for modules.
+     *
+     * Need to check for existence of module.paths because Jest seems not to
+     * include it. See https://github.com/eslint/eslint/issues/5791.
+     */
+    lookupPaths: module.paths ? module.paths.concat(Module.globalPaths) : Module.globalPaths.concat()
+};
+
+/**
+ * Resolves modules based on a set of options.
+ */
+class ModuleResolver {
+
+    /**
+     * Resolves modules based on a set of options.
+     * @param {Object} options The options for resolving modules.
+     * @param {string[]} options.lookupPaths An array of paths to include in the
+     *      lookup with the highest priority paths coming first.
+     */
+    constructor(options) {
+        this.options = Object.assign({}, DEFAULT_OPTIONS, options || {});
+    }
+
+    /**
+     * Resolves the file location of a given module relative to the configured
+     * lookup paths.
+     * @param {string} name The module name to resolve.
+     * @param {string} extraLookupPath An extra path to look into for the module.
+     *      This path is used with the highest priority.
+     * @returns {string} The resolved file path for the module.
+     * @throws {Error} If the module cannot be resolved.
+     */
+    resolve(name, extraLookupPath) {
+
+        /*
+         * First, clone the lookup paths so we're not messing things up for
+         * subsequent calls to this function. Then, move the extraLookupPath to the
+         * top of the lookup paths list so it will be searched first.
+         */
+        const lookupPaths = this.options.lookupPaths.concat();
+
+        lookupPaths.unshift(extraLookupPath);
+
+        /**
+         * Module._findPath is an internal method to Node.js, then one they use to
+         * lookup file paths when require() is called. So, we are hooking into the
+         * exact same logic that Node.js uses.
+         */
+        const result = Module._findPath(name, lookupPaths);   // eslint-disable-line no-underscore-dangle
+
+        if (!result) {
+            throw new Error(`Cannot find module '${name}'`);
+        }
+
+        return result;
+    }
+}
+
+//------------------------------------------------------------------------------
+// Public API
+//------------------------------------------------------------------------------
+
+module.exports = ModuleResolver;

static/js/ketcher2/node_modules/eslint/lib/util/node-event-generator.js

@@ -0,0 +1,322 @@
+/**
+ * @fileoverview The event generator for AST nodes.
+ * @author Toru Nagashima
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const esquery = require("esquery");
+const lodash = require("lodash");
+
+//------------------------------------------------------------------------------
+// Typedefs
+//------------------------------------------------------------------------------
+
+/**
+ * An object describing an AST selector
+ * @typedef {Object} ASTSelector
+ * @property {string} rawSelector The string that was parsed into this selector
+ * @property {boolean} isExit `true` if this should be emitted when exiting the node rather than when entering
+ * @property {Object} parsedSelector An object (from esquery) describing the matching behavior of the selector
+ * @property {string[]|null} listenerTypes A list of node types that could possibly cause the selector to match,
+ * or `null` if all node types could cause a match
+ * @property {number} attributeCount The total number of classes, pseudo-classes, and attribute queries in this selector
+ * @property {number} identifierCount The total number of identifier queries in this selector
+ */
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+* Gets the possible types of a selector
+* @param {Object} parsedSelector An object (from esquery) describing the matching behavior of the selector
+* @returns {string[]|null} The node types that could possibly trigger this selector, or `null` if all node types could trigger it
+*/
+function getPossibleTypes(parsedSelector) {
+    switch (parsedSelector.type) {
+        case "identifier":
+            return [parsedSelector.value];
+
+        case "matches": {
+            const typesForComponents = parsedSelector.selectors.map(getPossibleTypes);
+
+            if (typesForComponents.every(typesForComponent => typesForComponent)) {
+                return lodash.union.apply(null, typesForComponents);
+            }
+            return null;
+        }
+
+        case "compound": {
+            const typesForComponents = parsedSelector.selectors.map(getPossibleTypes).filter(typesForComponent => typesForComponent);
+
+            // If all of the components could match any type, then the compound could also match any type.
+            if (!typesForComponents.length) {
+                return null;
+            }
+
+            /*
+             * If at least one of the components could only match a particular type, the compound could only match
+             * the intersection of those types.
+             */
+            return lodash.intersection.apply(null, typesForComponents);
+        }
+
+        case "child":
+        case "descendant":
+        case "sibling":
+        case "adjacent":
+            return getPossibleTypes(parsedSelector.right);
+
+        default:
+            return null;
+
+    }
+}
+
+/**
+ * Counts the number of class, pseudo-class, and attribute queries in this selector
+ * @param {Object} parsedSelector An object (from esquery) describing the selector's matching behavior
+ * @returns {number} The number of class, pseudo-class, and attribute queries in this selector
+ */
+function countClassAttributes(parsedSelector) {
+    switch (parsedSelector.type) {
+        case "child":
+        case "descendant":
+        case "sibling":
+        case "adjacent":
+            return countClassAttributes(parsedSelector.left) + countClassAttributes(parsedSelector.right);
+
+        case "compound":
+        case "not":
+        case "matches":
+            return parsedSelector.selectors.reduce((sum, childSelector) => sum + countClassAttributes(childSelector), 0);
+
+        case "attribute":
+        case "field":
+        case "nth-child":
+        case "nth-last-child":
+            return 1;
+
+        default:
+            return 0;
+    }
+}
+
+/**
+ * Counts the number of identifier queries in this selector
+ * @param {Object} parsedSelector An object (from esquery) describing the selector's matching behavior
+ * @returns {number} The number of identifier queries
+ */
+function countIdentifiers(parsedSelector) {
+    switch (parsedSelector.type) {
+        case "child":
+        case "descendant":
+        case "sibling":
+        case "adjacent":
+            return countIdentifiers(parsedSelector.left) + countIdentifiers(parsedSelector.right);
+
+        case "compound":
+        case "not":
+        case "matches":
+            return parsedSelector.selectors.reduce((sum, childSelector) => sum + countIdentifiers(childSelector), 0);
+
+        case "identifier":
+            return 1;
+
+        default:
+            return 0;
+    }
+}
+
+/**
+ * Compares the specificity of two selector objects, with CSS-like rules.
+ * @param {ASTSelector} selectorA An AST selector descriptor
+ * @param {ASTSelector} selectorB Another AST selector descriptor
+ * @returns {number}
+ * a value less than 0 if selectorA is less specific than selectorB
+ * a value greater than 0 if selectorA is more specific than selectorB
+ * a value less than 0 if selectorA and selectorB have the same specificity, and selectorA <= selectorB alphabetically
+ * a value greater than 0 if selectorA and selectorB have the same specificity, and selectorA > selectorB alphabetically
+ */
+function compareSpecificity(selectorA, selectorB) {
+    return selectorA.attributeCount - selectorB.attributeCount ||
+        selectorA.identifierCount - selectorB.identifierCount ||
+        (selectorA.rawSelector <= selectorB.rawSelector ? -1 : 1);
+}
+
+/**
+ * Parses a raw selector string, and throws a useful error if parsing fails.
+ * @param {string} rawSelector A raw AST selector
+ * @returns {Object} An object (from esquery) describing the matching behavior of this selector
+ * @throws {Error} An error if the selector is invalid
+ */
+function tryParseSelector(rawSelector) {
+    try {
+        return esquery.parse(rawSelector.replace(/:exit$/, ""));
+    } catch (err) {
+        if (typeof err.offset === "number") {
+            throw new Error(`Syntax error in selector "${rawSelector}" at position ${err.offset}: ${err.message}`);
+        }
+        throw err;
+    }
+}
+
+/**
+ * Parses a raw selector string, and returns the parsed selector along with specificity and type information.
+ * @param {string} rawSelector A raw AST selector
+ * @returns {ASTSelector} A selector descriptor
+ */
+const parseSelector = lodash.memoize(rawSelector => {
+    const parsedSelector = tryParseSelector(rawSelector);
+
+    return {
+        rawSelector,
+        isExit: rawSelector.endsWith(":exit"),
+        parsedSelector,
+        listenerTypes: getPossibleTypes(parsedSelector),
+        attributeCount: countClassAttributes(parsedSelector),
+        identifierCount: countIdentifiers(parsedSelector)
+    };
+});
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * The event generator for AST nodes.
+ * This implements below interface.
+ *
+ * ```ts
+ * interface EventGenerator {
+ *     emitter: EventEmitter;
+ *     enterNode(node: ASTNode): void;
+ *     leaveNode(node: ASTNode): void;
+ * }
+ * ```
+ */
+class NodeEventGenerator {
+
+    /**
+    * @param {EventEmitter} emitter - An event emitter which is the destination of events. This emitter must already
+    * have registered listeners for all of the events that it needs to listen for.
+    * @returns {NodeEventGenerator} new instance
+    */
+    constructor(emitter) {
+        this.emitter = emitter;
+        this.currentAncestry = [];
+        this.enterSelectorsByNodeType = new Map();
+        this.exitSelectorsByNodeType = new Map();
+        this.anyTypeEnterSelectors = [];
+        this.anyTypeExitSelectors = [];
+
+        const eventNames = typeof emitter.eventNames === "function"
+
+            // Use the built-in eventNames() function if available (Node 6+)
+            ? emitter.eventNames()
+
+            /*
+             * Otherwise, use the private _events property.
+             * Using a private property isn't ideal here, but this seems to
+             * be the best way to get a list of event names without overriding
+             * addEventListener, which would hurt performance. This property
+             * is widely used and unlikely to be removed in a future version
+             * (see https://github.com/nodejs/node/issues/1817). Also, future
+             * node versions will have eventNames() anyway.
+             */
+            : Object.keys(emitter._events); // eslint-disable-line no-underscore-dangle
+
+        eventNames.forEach(rawSelector => {
+            const selector = parseSelector(rawSelector);
+
+            if (selector.listenerTypes) {
+                selector.listenerTypes.forEach(nodeType => {
+                    const typeMap = selector.isExit ? this.exitSelectorsByNodeType : this.enterSelectorsByNodeType;
+
+                    if (!typeMap.has(nodeType)) {
+                        typeMap.set(nodeType, []);
+                    }
+                    typeMap.get(nodeType).push(selector);
+                });
+            } else {
+                (selector.isExit ? this.anyTypeExitSelectors : this.anyTypeEnterSelectors).push(selector);
+            }
+        });
+
+        this.anyTypeEnterSelectors.sort(compareSpecificity);
+        this.anyTypeExitSelectors.sort(compareSpecificity);
+        this.enterSelectorsByNodeType.forEach(selectorList => selectorList.sort(compareSpecificity));
+        this.exitSelectorsByNodeType.forEach(selectorList => selectorList.sort(compareSpecificity));
+    }
+
+    /**
+     * Checks a selector against a node, and emits it if it matches
+     * @param {ASTNode} node The node to check
+     * @param {ASTSelector} selector An AST selector descriptor
+     * @returns {void}
+     */
+    applySelector(node, selector) {
+        if (esquery.matches(node, selector.parsedSelector, this.currentAncestry)) {
+            this.emitter.emit(selector.rawSelector, node);
+        }
+    }
+
+    /**
+     * Applies all appropriate selectors to a node, in specificity order
+     * @param {ASTNode} node The node to check
+     * @param {boolean} isExit `false` if the node is currently being entered, `true` if it's currently being exited
+     * @returns {void}
+     */
+    applySelectors(node, isExit) {
+        const selectorsByNodeType = (isExit ? this.exitSelectorsByNodeType : this.enterSelectorsByNodeType).get(node.type) || [];
+        const anyTypeSelectors = isExit ? this.anyTypeExitSelectors : this.anyTypeEnterSelectors;
+
+        /*
+         * selectorsByNodeType and anyTypeSelectors were already sorted by specificity in the constructor.
+         * Iterate through each of them, applying selectors in the right order.
+         */
+        let selectorsByTypeIndex = 0;
+        let anyTypeSelectorsIndex = 0;
+
+        while (selectorsByTypeIndex < selectorsByNodeType.length || anyTypeSelectorsIndex < anyTypeSelectors.length) {
+            if (
+                selectorsByTypeIndex >= selectorsByNodeType.length ||
+                anyTypeSelectorsIndex < anyTypeSelectors.length &&
+                compareSpecificity(anyTypeSelectors[anyTypeSelectorsIndex], selectorsByNodeType[selectorsByTypeIndex]) < 0
+            ) {
+                this.applySelector(node, anyTypeSelectors[anyTypeSelectorsIndex++]);
+            } else {
+                this.applySelector(node, selectorsByNodeType[selectorsByTypeIndex++]);
+            }
+        }
+    }
+
+    /**
+     * Emits an event of entering AST node.
+     * @param {ASTNode} node - A node which was entered.
+     * @returns {void}
+     */
+    enterNode(node) {
+        if (node.parent) {
+            this.currentAncestry.unshift(node.parent);
+        }
+        this.applySelectors(node, false);
+    }
+
+    /**
+     * Emits an event of leaving AST node.
+     * @param {ASTNode} node - A node which was left.
+     * @returns {void}
+     */
+    leaveNode(node) {
+        this.applySelectors(node, true);
+        this.currentAncestry.shift();
+    }
+}
+
+module.exports = NodeEventGenerator;

static/js/ketcher2/node_modules/eslint/lib/util/npm-util.js

@@ -0,0 +1,146 @@
+/**
+ * @fileoverview Utility for executing npm commands.
+ * @author Ian VanSchooten
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs"),
+    path = require("path"),
+    shell = require("shelljs"),
+    log = require("../logging");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Find the closest package.json file, starting at process.cwd (by default),
+ * and working up to root.
+ *
+ * @param   {string} [startDir=process.cwd()] Starting directory
+ * @returns {string}                          Absolute path to closest package.json file
+ */
+function findPackageJson(startDir) {
+    let dir = path.resolve(startDir || process.cwd());
+
+    do {
+        const pkgfile = path.join(dir, "package.json");
+
+        if (!shell.test("-f", pkgfile)) {
+            dir = path.join(dir, "..");
+            continue;
+        }
+        return pkgfile;
+    } while (dir !== path.resolve(dir, ".."));
+    return null;
+}
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * Install node modules synchronously and save to devDependencies in package.json
+ * @param   {string|string[]} packages Node module or modules to install
+ * @returns {void}
+ */
+function installSyncSaveDev(packages) {
+    if (Array.isArray(packages)) {
+        packages = packages.join(" ");
+    }
+    shell.exec(`npm i --save-dev ${packages}`, { stdio: "inherit" });
+}
+
+/**
+ * Check whether node modules are include in a project's package.json.
+ *
+ * @param   {string[]} packages           Array of node module names
+ * @param   {Object}  opt                 Options Object
+ * @param   {boolean} opt.dependencies    Set to true to check for direct dependencies
+ * @param   {boolean} opt.devDependencies Set to true to check for development dependencies
+ * @param   {boolean} opt.startdir        Directory to begin searching from
+ * @returns {Object}                      An object whose keys are the module names
+ *                                        and values are booleans indicating installation.
+ */
+function check(packages, opt) {
+    let deps = [];
+    const pkgJson = (opt) ? findPackageJson(opt.startDir) : findPackageJson();
+    let fileJson;
+
+    if (!pkgJson) {
+        throw new Error("Could not find a package.json file. Run 'npm init' to create one.");
+    }
+
+    try {
+        fileJson = JSON.parse(fs.readFileSync(pkgJson, "utf8"));
+    } catch (e) {
+        log.info("Could not read package.json file. Please check that the file contains valid JSON.");
+        throw new Error(e);
+    }
+
+    if (opt.devDependencies && typeof fileJson.devDependencies === "object") {
+        deps = deps.concat(Object.keys(fileJson.devDependencies));
+    }
+    if (opt.dependencies && typeof fileJson.dependencies === "object") {
+        deps = deps.concat(Object.keys(fileJson.dependencies));
+    }
+    return packages.reduce((status, pkg) => {
+        status[pkg] = deps.indexOf(pkg) !== -1;
+        return status;
+    }, {});
+}
+
+/**
+ * Check whether node modules are included in the dependencies of a project's
+ * package.json.
+ *
+ * Convienience wrapper around check().
+ *
+ * @param   {string[]} packages  Array of node modules to check.
+ * @param   {string}   rootDir   The directory contianing a package.json
+ * @returns {Object}             An object whose keys are the module names
+ *                               and values are booleans indicating installation.
+ */
+function checkDeps(packages, rootDir) {
+    return check(packages, { dependencies: true, startDir: rootDir });
+}
+
+/**
+ * Check whether node modules are included in the devDependencies of a project's
+ * package.json.
+ *
+ * Convienience wrapper around check().
+ *
+ * @param   {string[]} packages  Array of node modules to check.
+ * @returns {Object}             An object whose keys are the module names
+ *                               and values are booleans indicating installation.
+ */
+function checkDevDeps(packages) {
+    return check(packages, { devDependencies: true });
+}
+
+/**
+ * Check whether package.json is found in current path.
+ *
+ * @param   {string=} startDir Starting directory
+ * @returns {boolean} Whether a package.json is found in current path.
+ */
+function checkPackageJson(startDir) {
+    return !!findPackageJson(startDir);
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    installSyncSaveDev,
+    checkDeps,
+    checkDevDeps,
+    checkPackageJson
+};

static/js/ketcher2/node_modules/eslint/lib/util/path-util.js

@@ -0,0 +1,74 @@
+/**
+ * @fileoverview Common helpers for operations on filenames and paths
+ * @author Ian VanSchooten
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const path = require("path");
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * Replace Windows with posix style paths
+ *
+ * @param {string} filepath   Path to convert
+ * @returns {string}          Converted filepath
+ */
+function convertPathToPosix(filepath) {
+    const normalizedFilepath = path.normalize(filepath);
+    const posixFilepath = normalizedFilepath.replace(/\\/g, "/");
+
+    return posixFilepath;
+}
+
+/**
+ * Converts an absolute filepath to a relative path from a given base path
+ *
+ * For example, if the filepath is `/my/awesome/project/foo.bar`,
+ * and the base directory is `/my/awesome/project/`,
+ * then this function should return `foo.bar`.
+ *
+ * path.relative() does something similar, but it requires a baseDir (`from` argument).
+ * This function makes it optional and just removes a leading slash if the baseDir is not given.
+ *
+ * It does not take into account symlinks (for now).
+ *
+ * @param {string} filepath  Path to convert to relative path.  If already relative,
+ *                           it will be assumed to be relative to process.cwd(),
+ *                           converted to absolute, and then processed.
+ * @param {string} [baseDir] Absolute base directory to resolve the filepath from.
+ *                           If not provided, all this function will do is remove
+ *                           a leading slash.
+ * @returns {string} Relative filepath
+ */
+function getRelativePath(filepath, baseDir) {
+    let relativePath;
+
+    if (!path.isAbsolute(filepath)) {
+        filepath = path.resolve(filepath);
+    }
+    if (baseDir) {
+        if (!path.isAbsolute(baseDir)) {
+            throw new Error("baseDir should be an absolute path");
+        }
+        relativePath = path.relative(baseDir, filepath);
+    } else {
+        relativePath = filepath.replace(/^\//, "");
+    }
+    return relativePath;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+module.exports = {
+    convertPathToPosix,
+    getRelativePath
+};

static/js/ketcher2/node_modules/eslint/lib/util/rule-fixer.js

@@ -0,0 +1,140 @@
+/**
+ * @fileoverview An object that creates fix commands for rules.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+// none!
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Creates a fix command that inserts text at the specified index in the source text.
+ * @param {int} index The 0-based index at which to insert the new text.
+ * @param {string} text The text to insert.
+ * @returns {Object} The fix command.
+ * @private
+ */
+function insertTextAt(index, text) {
+    return {
+        range: [index, index],
+        text
+    };
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Creates code fixing commands for rules.
+ */
+
+const ruleFixer = Object.freeze({
+
+    /**
+     * Creates a fix command that inserts text after the given node or token.
+     * The fix is not applied until applyFixes() is called.
+     * @param {ASTNode|Token} nodeOrToken The node or token to insert after.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    insertTextAfter(nodeOrToken, text) {
+        return this.insertTextAfterRange(nodeOrToken.range, text);
+    },
+
+    /**
+     * Creates a fix command that inserts text after the specified range in the source text.
+     * The fix is not applied until applyFixes() is called.
+     * @param {int[]} range The range to replace, first item is start of range, second
+     *      is end of range.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    insertTextAfterRange(range, text) {
+        return insertTextAt(range[1], text);
+    },
+
+    /**
+     * Creates a fix command that inserts text before the given node or token.
+     * The fix is not applied until applyFixes() is called.
+     * @param {ASTNode|Token} nodeOrToken The node or token to insert before.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    insertTextBefore(nodeOrToken, text) {
+        return this.insertTextBeforeRange(nodeOrToken.range, text);
+    },
+
+    /**
+     * Creates a fix command that inserts text before the specified range in the source text.
+     * The fix is not applied until applyFixes() is called.
+     * @param {int[]} range The range to replace, first item is start of range, second
+     *      is end of range.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    insertTextBeforeRange(range, text) {
+        return insertTextAt(range[0], text);
+    },
+
+    /**
+     * Creates a fix command that replaces text at the node or token.
+     * The fix is not applied until applyFixes() is called.
+     * @param {ASTNode|Token} nodeOrToken The node or token to remove.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    replaceText(nodeOrToken, text) {
+        return this.replaceTextRange(nodeOrToken.range, text);
+    },
+
+    /**
+     * Creates a fix command that replaces text at the specified range in the source text.
+     * The fix is not applied until applyFixes() is called.
+     * @param {int[]} range The range to replace, first item is start of range, second
+     *      is end of range.
+     * @param {string} text The text to insert.
+     * @returns {Object} The fix command.
+     */
+    replaceTextRange(range, text) {
+        return {
+            range,
+            text
+        };
+    },
+
+    /**
+     * Creates a fix command that removes the node or token from the source.
+     * The fix is not applied until applyFixes() is called.
+     * @param {ASTNode|Token} nodeOrToken The node or token to remove.
+     * @returns {Object} The fix command.
+     */
+    remove(nodeOrToken) {
+        return this.removeRange(nodeOrToken.range);
+    },
+
+    /**
+     * Creates a fix command that removes the specified range of text from the source.
+     * The fix is not applied until applyFixes() is called.
+     * @param {int[]} range The range to remove, first item is start of range, second
+     *      is end of range.
+     * @returns {Object} The fix command.
+     */
+    removeRange(range) {
+        return {
+            range,
+            text: ""
+        };
+    }
+
+});
+
+
+module.exports = ruleFixer;

static/js/ketcher2/node_modules/eslint/lib/util/source-code-fixer.js

@@ -0,0 +1,131 @@
+/**
+ * @fileoverview An object that caches and applies source code fixes.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const debug = require("debug")("eslint:text-fixer");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const BOM = "\uFEFF";
+
+/**
+ * Compares items in a messages array by range.
+ * @param {Message} a The first message.
+ * @param {Message} b The second message.
+ * @returns {int} -1 if a comes before b, 1 if a comes after b, 0 if equal.
+ * @private
+ */
+function compareMessagesByFixRange(a, b) {
+    return a.fix.range[0] - b.fix.range[0] || a.fix.range[1] - b.fix.range[1];
+}
+
+/**
+ * Compares items in a messages array by line and column.
+ * @param {Message} a The first message.
+ * @param {Message} b The second message.
+ * @returns {int} -1 if a comes before b, 1 if a comes after b, 0 if equal.
+ * @private
+ */
+function compareMessagesByLocation(a, b) {
+    return a.line - b.line || a.column - b.column;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Utility for apply fixes to source code.
+ * @constructor
+ */
+function SourceCodeFixer() {
+    Object.freeze(this);
+}
+
+/**
+ * Applies the fixes specified by the messages to the given text. Tries to be
+ * smart about the fixes and won't apply fixes over the same area in the text.
+ * @param {SourceCode} sourceCode The source code to apply the changes to.
+ * @param {Message[]} messages The array of messages reported by ESLint.
+ * @returns {Object} An object containing the fixed text and any unfixed messages.
+ */
+SourceCodeFixer.applyFixes = function(sourceCode, messages) {
+
+    debug("Applying fixes");
+
+    if (!sourceCode) {
+        debug("No source code to fix");
+        return {
+            fixed: false,
+            messages,
+            output: ""
+        };
+    }
+
+    // clone the array
+    const remainingMessages = [],
+        fixes = [],
+        bom = (sourceCode.hasBOM ? BOM : ""),
+        text = sourceCode.text;
+    let lastPos = Number.NEGATIVE_INFINITY,
+        output = bom;
+
+    messages.forEach(problem => {
+        if (problem.hasOwnProperty("fix")) {
+            fixes.push(problem);
+        } else {
+            remainingMessages.push(problem);
+        }
+    });
+
+    if (fixes.length) {
+        debug("Found fixes to apply");
+
+        for (const problem of fixes.sort(compareMessagesByFixRange)) {
+            const fix = problem.fix;
+            const start = fix.range[0];
+            const end = fix.range[1];
+
+            // Remain it as a problem if it's overlapped or it's a negative range
+            if (lastPos >= start || start > end) {
+                remainingMessages.push(problem);
+                continue;
+            }
+
+            // Remove BOM.
+            if ((start < 0 && end >= 0) || (start === 0 && fix.text.startsWith(BOM))) {
+                output = "";
+            }
+
+            // Make output to this fix.
+            output += text.slice(Math.max(0, lastPos), Math.max(0, start));
+            output += fix.text;
+            lastPos = end;
+        }
+        output += text.slice(Math.max(0, lastPos));
+
+        return {
+            fixed: true,
+            messages: remainingMessages.sort(compareMessagesByLocation),
+            output
+        };
+    }
+
+    debug("No fixes to apply");
+    return {
+        fixed: false,
+        messages,
+        output: bom + text
+    };
+
+};
+
+module.exports = SourceCodeFixer;

static/js/ketcher2/node_modules/eslint/lib/util/source-code-util.js

@@ -0,0 +1,110 @@
+/**
+ * @fileoverview Tools for obtaining SourceCode objects.
+ * @author Ian VanSchooten
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const CLIEngine = require("../cli-engine"),
+    eslint = require("../eslint"),
+    globUtil = require("./glob-util"),
+    baseDefaultOptions = require("../../conf/cli-options");
+
+const debug = require("debug")("eslint:source-code-util");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+/**
+ * Get the SourceCode object for a single file
+ * @param   {string}     filename The fully resolved filename to get SourceCode from.
+ * @param   {Object}     options  A CLIEngine options object.
+ * @returns {Array}               Array of the SourceCode object representing the file
+ *                                and fatal error message.
+ */
+function getSourceCodeOfFile(filename, options) {
+    debug("getting sourceCode of", filename);
+    const opts = Object.assign({}, options, { rules: {} });
+    const cli = new CLIEngine(opts);
+    const results = cli.executeOnFiles([filename]);
+
+    if (results && results.results[0] && results.results[0].messages[0] && results.results[0].messages[0].fatal) {
+        const msg = results.results[0].messages[0];
+
+        throw new Error(`(${filename}:${msg.line}:${msg.column}) ${msg.message}`);
+    }
+    const sourceCode = eslint.getSourceCode();
+
+    return sourceCode;
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+
+/**
+ * This callback is used to measure execution status in a progress bar
+ * @callback progressCallback
+ * @param {number} The total number of times the callback will be called.
+ */
+
+/**
+ * Gets the SourceCode of a single file, or set of files.
+ * @param   {string[]|string}  patterns   A filename, directory name, or glob,
+ *                                        or an array of them
+ * @param   {Object}           [options]  A CLIEngine options object. If not provided,
+ *                                        the default cli options will be used.
+ * @param   {progressCallback} [cb]       Callback for reporting execution status
+ * @returns {Object}                      The SourceCode of all processed files.
+ */
+function getSourceCodeOfFiles(patterns, options, cb) {
+    const sourceCodes = {};
+    let opts;
+
+    if (typeof patterns === "string") {
+        patterns = [patterns];
+    }
+
+    const defaultOptions = Object.assign({}, baseDefaultOptions, { cwd: process.cwd() });
+
+    if (typeof options === "undefined") {
+        opts = defaultOptions;
+    } else if (typeof options === "function") {
+        cb = options;
+        opts = defaultOptions;
+    } else if (typeof options === "object") {
+        opts = Object.assign({}, defaultOptions, options);
+    }
+    debug("constructed options:", opts);
+    patterns = globUtil.resolveFileGlobPatterns(patterns, opts);
+
+    const filenames = globUtil.listFilesToProcess(patterns, opts)
+        .filter(fileInfo => !fileInfo.ignored)
+        .reduce((files, fileInfo) => files.concat(fileInfo.filename), []);
+
+    if (filenames.length === 0) {
+        debug(`Did not find any files matching pattern(s): ${patterns}`);
+    }
+    filenames.forEach(filename => {
+        const sourceCode = getSourceCodeOfFile(filename, opts);
+
+        if (sourceCode) {
+            debug("got sourceCode of", filename);
+            sourceCodes[filename] = sourceCode;
+        }
+        if (cb) {
+            cb(filenames.length); // eslint-disable-line callback-return
+        }
+    });
+    return sourceCodes;
+}
+
+module.exports = {
+    getSourceCodeOfFiles
+};

static/js/ketcher2/node_modules/eslint/lib/util/source-code.js

@@ -0,0 +1,416 @@
+/**
+ * @fileoverview Abstraction of JavaScript source code.
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const TokenStore = require("../token-store"),
+    Traverser = require("./traverser"),
+    astUtils = require("../ast-utils"),
+    lodash = require("lodash");
+
+//------------------------------------------------------------------------------
+// Private
+//------------------------------------------------------------------------------
+
+/**
+ * Validates that the given AST has the required information.
+ * @param {ASTNode} ast The Program node of the AST to check.
+ * @throws {Error} If the AST doesn't contain the correct information.
+ * @returns {void}
+ * @private
+ */
+function validate(ast) {
+
+    if (!ast.tokens) {
+        throw new Error("AST is missing the tokens array.");
+    }
+
+    if (!ast.comments) {
+        throw new Error("AST is missing the comments array.");
+    }
+
+    if (!ast.loc) {
+        throw new Error("AST is missing location information.");
+    }
+
+    if (!ast.range) {
+        throw new Error("AST is missing range information");
+    }
+}
+
+/**
+ * Finds a JSDoc comment node in an array of comment nodes.
+ * @param {ASTNode[]} comments The array of comment nodes to search.
+ * @param {int} line Line number to look around
+ * @returns {ASTNode} The node if found, null if not.
+ * @private
+ */
+function findJSDocComment(comments, line) {
+
+    if (comments) {
+        for (let i = comments.length - 1; i >= 0; i--) {
+            if (comments[i].type === "Block" && comments[i].value.charAt(0) === "*") {
+
+                if (line - comments[i].loc.end.line <= 1) {
+                    return comments[i];
+                }
+                break;
+
+            }
+        }
+    }
+
+    return null;
+}
+
+/**
+ * Check to see if its a ES6 export declaration
+ * @param {ASTNode} astNode - any node
+ * @returns {boolean} whether the given node represents a export declaration
+ * @private
+ */
+function looksLikeExport(astNode) {
+    return astNode.type === "ExportDefaultDeclaration" || astNode.type === "ExportNamedDeclaration" ||
+        astNode.type === "ExportAllDeclaration" || astNode.type === "ExportSpecifier";
+}
+
+/**
+ * Merges two sorted lists into a larger sorted list in O(n) time
+ * @param {Token[]} tokens The list of tokens
+ * @param {Token[]} comments The list of comments
+ * @returns {Token[]} A sorted list of tokens and comments
+ */
+function sortedMerge(tokens, comments) {
+    const result = [];
+    let tokenIndex = 0;
+    let commentIndex = 0;
+
+    while (tokenIndex < tokens.length || commentIndex < comments.length) {
+        if (commentIndex >= comments.length || tokenIndex < tokens.length && tokens[tokenIndex].range[0] < comments[commentIndex].range[0]) {
+            result.push(tokens[tokenIndex++]);
+        } else {
+            result.push(comments[commentIndex++]);
+        }
+    }
+
+    return result;
+}
+
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Represents parsed source code.
+ * @param {string} text - The source code text.
+ * @param {ASTNode} ast - The Program node of the AST representing the code. This AST should be created from the text that BOM was stripped.
+ * @constructor
+ */
+function SourceCode(text, ast) {
+    validate(ast);
+
+    /**
+     * The flag to indicate that the source code has Unicode BOM.
+     * @type boolean
+     */
+    this.hasBOM = (text.charCodeAt(0) === 0xFEFF);
+
+    /**
+     * The original text source code.
+     * BOM was stripped from this text.
+     * @type string
+     */
+    this.text = (this.hasBOM ? text.slice(1) : text);
+
+    /**
+     * The parsed AST for the source code.
+     * @type ASTNode
+     */
+    this.ast = ast;
+
+    /**
+     * The source code split into lines according to ECMA-262 specification.
+     * This is done to avoid each rule needing to do so separately.
+     * @type string[]
+     */
+    this.lines = [];
+    this.lineStartIndices = [0];
+
+    const lineEndingPattern = astUtils.createGlobalLinebreakMatcher();
+    let match;
+
+    /*
+     * Previously, this was implemented using a regex that
+     * matched a sequence of non-linebreak characters followed by a
+     * linebreak, then adding the lengths of the matches. However,
+     * this caused a catastrophic backtracking issue when the end
+     * of a file contained a large number of non-newline characters.
+     * To avoid this, the current implementation just matches newlines
+     * and uses match.index to get the correct line start indices.
+     */
+    while ((match = lineEndingPattern.exec(this.text))) {
+        this.lines.push(this.text.slice(this.lineStartIndices[this.lineStartIndices.length - 1], match.index));
+        this.lineStartIndices.push(match.index + match[0].length);
+    }
+    this.lines.push(this.text.slice(this.lineStartIndices[this.lineStartIndices.length - 1]));
+
+    this.tokensAndComments = sortedMerge(ast.tokens, ast.comments);
+
+    // create token store methods
+    const tokenStore = new TokenStore(ast.tokens, ast.comments);
+
+    for (const methodName of TokenStore.PUBLIC_METHODS) {
+        this[methodName] = tokenStore[methodName].bind(tokenStore);
+    }
+
+    // don't allow modification of this object
+    Object.freeze(this);
+    Object.freeze(this.lines);
+}
+
+/**
+ * Split the source code into multiple lines based on the line delimiters
+ * @param {string} text Source code as a string
+ * @returns {string[]} Array of source code lines
+ * @public
+ */
+SourceCode.splitLines = function(text) {
+    return text.split(astUtils.createGlobalLinebreakMatcher());
+};
+
+SourceCode.prototype = {
+    constructor: SourceCode,
+
+    /**
+     * Gets the source code for the given node.
+     * @param {ASTNode=} node The AST node to get the text for.
+     * @param {int=} beforeCount The number of characters before the node to retrieve.
+     * @param {int=} afterCount The number of characters after the node to retrieve.
+     * @returns {string} The text representing the AST node.
+     */
+    getText(node, beforeCount, afterCount) {
+        if (node) {
+            return this.text.slice(Math.max(node.range[0] - (beforeCount || 0), 0),
+                node.range[1] + (afterCount || 0));
+        }
+        return this.text;
+
+
+    },
+
+    /**
+     * Gets the entire source text split into an array of lines.
+     * @returns {Array} The source text as an array of lines.
+     */
+    getLines() {
+        return this.lines;
+    },
+
+    /**
+     * Retrieves an array containing all comments in the source code.
+     * @returns {ASTNode[]} An array of comment nodes.
+     */
+    getAllComments() {
+        return this.ast.comments;
+    },
+
+    /**
+     * Gets all comments for the given node.
+     * @param {ASTNode} node The AST node to get the comments for.
+     * @returns {Object} The list of comments indexed by their position.
+     * @public
+     */
+    getComments(node) {
+
+        let leadingComments = node.leadingComments || [];
+        const trailingComments = node.trailingComments || [];
+
+        /*
+         * espree adds a "comments" array on Program nodes rather than
+         * leadingComments/trailingComments. Comments are only left in the
+         * Program node comments array if there is no executable code.
+         */
+        if (node.type === "Program") {
+            if (node.body.length === 0) {
+                leadingComments = node.comments;
+            }
+        }
+
+        return {
+            leading: leadingComments,
+            trailing: trailingComments
+        };
+    },
+
+    /**
+     * Retrieves the JSDoc comment for a given node.
+     * @param {ASTNode} node The AST node to get the comment for.
+     * @returns {ASTNode} The BlockComment node containing the JSDoc for the
+     *      given node or null if not found.
+     * @public
+     */
+    getJSDocComment(node) {
+
+        let parent = node.parent;
+
+        switch (node.type) {
+            case "ClassDeclaration":
+            case "FunctionDeclaration":
+                if (looksLikeExport(parent)) {
+                    return findJSDocComment(parent.leadingComments, parent.loc.start.line);
+                }
+                return findJSDocComment(node.leadingComments, node.loc.start.line);
+
+            case "ClassExpression":
+                return findJSDocComment(parent.parent.leadingComments, parent.parent.loc.start.line);
+
+            case "ArrowFunctionExpression":
+            case "FunctionExpression":
+
+                if (parent.type !== "CallExpression" && parent.type !== "NewExpression") {
+                    while (parent && !parent.leadingComments && !/Function/.test(parent.type) && parent.type !== "MethodDefinition" && parent.type !== "Property") {
+                        parent = parent.parent;
+                    }
+
+                    return parent && (parent.type !== "FunctionDeclaration") ? findJSDocComment(parent.leadingComments, parent.loc.start.line) : null;
+                } else if (node.leadingComments) {
+                    return findJSDocComment(node.leadingComments, node.loc.start.line);
+                }
+
+            // falls through
+
+            default:
+                return null;
+        }
+    },
+
+    /**
+     * Gets the deepest node containing a range index.
+     * @param {int} index Range index of the desired node.
+     * @returns {ASTNode} The node if found or null if not found.
+     */
+    getNodeByRangeIndex(index) {
+        let result = null,
+            resultParent = null;
+        const traverser = new Traverser();
+
+        traverser.traverse(this.ast, {
+            enter(node, parent) {
+                if (node.range[0] <= index && index < node.range[1]) {
+                    result = node;
+                    resultParent = parent;
+                } else {
+                    this.skip();
+                }
+            },
+            leave(node) {
+                if (node === result) {
+                    this.break();
+                }
+            }
+        });
+
+        return result ? Object.assign({ parent: resultParent }, result) : null;
+    },
+
+    /**
+     * Determines if two tokens have at least one whitespace character
+     * between them. This completely disregards comments in making the
+     * determination, so comments count as zero-length substrings.
+     * @param {Token} first The token to check after.
+     * @param {Token} second The token to check before.
+     * @returns {boolean} True if there is only space between tokens, false
+     *  if there is anything other than whitespace between tokens.
+     */
+    isSpaceBetweenTokens(first, second) {
+        const text = this.text.slice(first.range[1], second.range[0]);
+
+        return /\s/.test(text.replace(/\/\*.*?\*\//g, ""));
+    },
+
+    /**
+    * Converts a source text index into a (line, column) pair.
+    * @param {number} index The index of a character in a file
+    * @returns {Object} A {line, column} location object with a 0-indexed column
+    */
+    getLocFromIndex(index) {
+        if (typeof index !== "number") {
+            throw new TypeError("Expected `index` to be a number.");
+        }
+
+        if (index < 0 || index > this.text.length) {
+            throw new RangeError(`Index out of range (requested index ${index}, but source text has length ${this.text.length}).`);
+        }
+
+        /*
+         * For an argument of this.text.length, return the location one "spot" past the last character
+         * of the file. If the last character is a linebreak, the location will be column 0 of the next
+         * line; otherwise, the location will be in the next column on the same line.
+         *
+         * See getIndexFromLoc for the motivation for this special case.
+         */
+        if (index === this.text.length) {
+            return { line: this.lines.length, column: this.lines[this.lines.length - 1].length };
+        }
+
+        /*
+         * To figure out which line rangeIndex is on, determine the last index at which rangeIndex could
+         * be inserted into lineIndices to keep the list sorted.
+         */
+        const lineNumber = lodash.sortedLastIndex(this.lineStartIndices, index);
+
+        return { line: lineNumber, column: index - this.lineStartIndices[lineNumber - 1] };
+
+    },
+
+    /**
+    * Converts a (line, column) pair into a range index.
+    * @param {Object} loc A line/column location
+    * @param {number} loc.line The line number of the location (1-indexed)
+    * @param {number} loc.column The column number of the location (0-indexed)
+    * @returns {number} The range index of the location in the file.
+    */
+    getIndexFromLoc(loc) {
+        if (typeof loc !== "object" || typeof loc.line !== "number" || typeof loc.column !== "number") {
+            throw new TypeError("Expected `loc` to be an object with numeric `line` and `column` properties.");
+        }
+
+        if (loc.line <= 0) {
+            throw new RangeError(`Line number out of range (line ${loc.line} requested). Line numbers should be 1-based.`);
+        }
+
+        if (loc.line > this.lineStartIndices.length) {
+            throw new RangeError(`Line number out of range (line ${loc.line} requested, but only ${this.lineStartIndices.length} lines present).`);
+        }
+
+        const lineStartIndex = this.lineStartIndices[loc.line - 1];
+        const lineEndIndex = loc.line === this.lineStartIndices.length ? this.text.length : this.lineStartIndices[loc.line];
+        const positionIndex = lineStartIndex + loc.column;
+
+        /*
+         * By design, getIndexFromLoc({ line: lineNum, column: 0 }) should return the start index of
+         * the given line, provided that the line number is valid element of this.lines. Since the
+         * last element of this.lines is an empty string for files with trailing newlines, add a
+         * special case where getting the index for the first location after the end of the file
+         * will return the length of the file, rather than throwing an error. This allows rules to
+         * use getIndexFromLoc consistently without worrying about edge cases at the end of a file.
+         */
+        if (
+            loc.line === this.lineStartIndices.length && positionIndex > lineEndIndex ||
+            loc.line < this.lineStartIndices.length && positionIndex >= lineEndIndex
+        ) {
+            throw new RangeError(`Column number out of range (column ${loc.column} requested, but the length of line ${loc.line} is ${lineEndIndex - lineStartIndex}).`);
+        }
+
+        return positionIndex;
+    }
+};
+
+
+module.exports = SourceCode;

static/js/ketcher2/node_modules/eslint/lib/util/traverser.js

@@ -0,0 +1,45 @@
+/**
+ * @fileoverview Wrapper around estraverse
+ * @author Nicholas C. Zakas
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const estraverse = require("estraverse");
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+const KEY_BLACKLIST = new Set([
+    "parent",
+    "leadingComments",
+    "trailingComments"
+]);
+
+/**
+ * Wrapper around an estraverse controller that ensures the correct keys
+ * are visited.
+ * @constructor
+ */
+class Traverser extends estraverse.Controller {
+    traverse(node, visitor) {
+        visitor.fallback = Traverser.getKeys;
+        return super.traverse(node, visitor);
+    }
+
+    /**
+     * Calculates the keys to use for traversal.
+     * @param {ASTNode} node The node to read keys from.
+     * @returns {string[]} An array of keys to visit on the node.
+     * @private
+     */
+    static getKeys(node) {
+        return Object.keys(node).filter(key => !KEY_BLACKLIST.has(key));
+    }
+}
+
+module.exports = Traverser;

static/js/ketcher2/node_modules/eslint/lib/util/xml-escape.js

@@ -0,0 +1,34 @@
+/**
+ * @fileoverview XML character escaper
+ * @author George Chung
+ */
+"use strict";
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * Returns the escaped value for a character
+ * @param {string} s string to examine
+ * @returns {string} severity level
+ * @private
+ */
+module.exports = function(s) {
+    return (`${s}`).replace(/[<>&"'\x00-\x1F\x7F\u0080-\uFFFF]/g, c => { // eslint-disable-line no-control-regex
+        switch (c) {
+            case "<":
+                return "&lt;";
+            case ">":
+                return "&gt;";
+            case "&":
+                return "&amp;";
+            case "\"":
+                return "&quot;";
+            case "'":
+                return "&apos;";
+            default:
+                return `&#${c.charCodeAt(0)};`;
+        }
+    });
+};