Current Dev State

static/js/ketcher2/node_modules/eslint/lib/ignored-paths.js

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+/**
+ * @fileoverview Responsible for loading ignore config files and managing ignore patterns
+ * @author Jonathan Rajavuori
+ */
+
+"use strict";
+
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+const fs = require("fs"),
+    path = require("path"),
+    ignore = require("ignore"),
+    shell = require("shelljs"),
+    pathUtil = require("./util/path-util");
+
+const debug = require("debug")("eslint:ignored-paths");
+
+
+//------------------------------------------------------------------------------
+// Constants
+//------------------------------------------------------------------------------
+
+const ESLINT_IGNORE_FILENAME = ".eslintignore";
+
+/**
+ * Adds `"*"` at the end of `"node_modules/"`,
+ * so that subtle directories could be re-included by .gitignore patterns
+ * such as `"!node_modules/should_not_ignored"`
+ */
+const DEFAULT_IGNORE_DIRS = [
+    "/node_modules/*",
+    "/bower_components/*"
+];
+const DEFAULT_OPTIONS = {
+    dotfiles: false,
+    cwd: process.cwd()
+};
+
+
+//------------------------------------------------------------------------------
+// Helpers
+//------------------------------------------------------------------------------
+
+
+/**
+ * Find an ignore file in the current directory.
+ * @param {string} cwd Current working directory
+ * @returns {string} Path of ignore file or an empty string.
+ */
+function findIgnoreFile(cwd) {
+    cwd = cwd || DEFAULT_OPTIONS.cwd;
+
+    const ignoreFilePath = path.resolve(cwd, ESLINT_IGNORE_FILENAME);
+
+    return shell.test("-f", ignoreFilePath) ? ignoreFilePath : "";
+}
+
+/**
+ * Merge options with defaults
+ * @param {Object} options Options to merge with DEFAULT_OPTIONS constant
+ * @returns {Object} Merged options
+ */
+function mergeDefaultOptions(options) {
+    options = (options || {});
+    return Object.assign({}, DEFAULT_OPTIONS, options);
+}
+
+//------------------------------------------------------------------------------
+// Public Interface
+//------------------------------------------------------------------------------
+
+/**
+ * IgnoredPaths class
+ */
+class IgnoredPaths {
+
+    /**
+     * @param {Object} options object containing 'ignore', 'ignorePath' and 'patterns' properties
+     */
+    constructor(options) {
+        options = mergeDefaultOptions(options);
+
+        /**
+         * add pattern to node-ignore instance
+         * @param {Object} ig, instance of node-ignore
+         * @param {string} pattern, pattern do add to ig
+         * @returns {array} raw ignore rules
+         */
+        function addPattern(ig, pattern) {
+            return ig.addPattern(pattern);
+        }
+
+        /**
+         * add ignore file to node-ignore instance
+         * @param {Object} ig, instance of node-ignore
+         * @param {string} filepath, file to add to ig
+         * @returns {array} raw ignore rules
+         */
+        function addIgnoreFile(ig, filepath) {
+            ig.ignoreFiles.push(filepath);
+            return ig.add(fs.readFileSync(filepath, "utf8"));
+        }
+
+        this.defaultPatterns = [].concat(DEFAULT_IGNORE_DIRS, options.patterns || []);
+        this.baseDir = options.cwd;
+
+        this.ig = {
+            custom: ignore(),
+            default: ignore()
+        };
+
+        // Add a way to keep track of ignored files.  This was present in node-ignore
+        // 2.x, but dropped for now as of 3.0.10.
+        this.ig.custom.ignoreFiles = [];
+        this.ig.default.ignoreFiles = [];
+
+        if (options.dotfiles !== true) {
+
+            /*
+             * ignore files beginning with a dot, but not files in a parent or
+             * ancestor directory (which in relative format will begin with `../`).
+             */
+            addPattern(this.ig.default, [".*", "!../"]);
+        }
+
+        addPattern(this.ig.default, this.defaultPatterns);
+
+        if (options.ignore !== false) {
+            let ignorePath;
+
+            if (options.ignorePath) {
+                debug("Using specific ignore file");
+
+                try {
+                    fs.statSync(options.ignorePath);
+                    ignorePath = options.ignorePath;
+                } catch (e) {
+                    e.message = `Cannot read ignore file: ${options.ignorePath}\nError: ${e.message}`;
+                    throw e;
+                }
+            } else {
+                debug(`Looking for ignore file in ${options.cwd}`);
+                ignorePath = findIgnoreFile(options.cwd);
+
+                try {
+                    fs.statSync(ignorePath);
+                    debug(`Loaded ignore file ${ignorePath}`);
+                } catch (e) {
+                    debug("Could not find ignore file in cwd");
+                    this.options = options;
+                }
+            }
+
+            if (ignorePath) {
+                debug(`Adding ${ignorePath}`);
+                this.baseDir = path.dirname(path.resolve(options.cwd, ignorePath));
+                addIgnoreFile(this.ig.custom, ignorePath);
+                addIgnoreFile(this.ig.default, ignorePath);
+            }
+
+            if (options.ignorePattern) {
+                addPattern(this.ig.custom, options.ignorePattern);
+                addPattern(this.ig.default, options.ignorePattern);
+            }
+        }
+
+        this.options = options;
+    }
+
+    /**
+     * Determine whether a file path is included in the default or custom ignore patterns
+     * @param {string} filepath Path to check
+     * @param {string} [category=null] check 'default', 'custom' or both (null)
+     * @returns {boolean} true if the file path matches one or more patterns, false otherwise
+     */
+    contains(filepath, category) {
+
+        let result = false;
+        const absolutePath = path.resolve(this.options.cwd, filepath);
+        const relativePath = pathUtil.getRelativePath(absolutePath, this.options.cwd);
+
+        if ((typeof category === "undefined") || (category === "default")) {
+            result = result || (this.ig.default.filter([relativePath]).length === 0);
+        }
+
+        if ((typeof category === "undefined") || (category === "custom")) {
+            result = result || (this.ig.custom.filter([relativePath]).length === 0);
+        }
+
+        return result;
+
+    }
+
+    /**
+     * Returns a list of dir patterns for glob to ignore
+     * @returns {function()} method to check whether a folder should be ignored by glob.
+     */
+    getIgnoredFoldersGlobChecker() {
+
+        const ig = ignore().add(DEFAULT_IGNORE_DIRS);
+
+        if (this.options.dotfiles !== true) {
+
+            // Ignore hidden folders.  (This cannot be ".*", or else it's not possible to unignore hidden files)
+            ig.add([".*/*", "!../"]);
+        }
+
+        if (this.options.ignore) {
+            ig.add(this.ig.custom);
+        }
+
+        const filter = ig.createFilter();
+
+        /**
+         * TODO
+         * 1.
+         * Actually, it should be `this.options.baseDir`, which is the base dir of `ignore-path`,
+         * as well as Line 177.
+         * But doing this leads to a breaking change and fails tests.
+         * Related to #6759
+         */
+        const base = this.options.cwd;
+
+        return function(absolutePath) {
+            const relative = pathUtil.getRelativePath(absolutePath, base);
+
+            if (!relative) {
+                return false;
+            }
+
+            return !filter(relative);
+        };
+    }
+}
+
+module.exports = IgnoredPaths;