Current Dev State

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

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+/**
+ * @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
+};