+++ /dev/null
-/**
- * @fileoverview Tools for obtaining SourceCode objects.
- * @author Ian VanSchooten
- */
-
-"use strict";
-
-//------------------------------------------------------------------------------
-// Requirements
-//------------------------------------------------------------------------------
-
-const { CLIEngine } = require("../cli-engine");
-
-/*
- * This is used for:
- *
- * 1. Enumerate target file because we have not expose such a API on `CLIEngine`
- * (https://github.com/eslint/eslint/issues/11222).
- * 2. Create `SourceCode` instances. Because we don't have any function which
- * instantiate `SourceCode` so it needs to take the created `SourceCode`
- * instance out after linting.
- *
- * TODO1: Expose the API that enumerates target files.
- * TODO2: Extract the creation logic of `SourceCode` from `Linter` class.
- */
-const { getCLIEngineInternalSlots } = require("../cli-engine/cli-engine"); // eslint-disable-line no-restricted-modules
-
-const debug = require("debug")("eslint:source-code-utils");
-
-//------------------------------------------------------------------------------
-// Helpers
-//------------------------------------------------------------------------------
-
-/**
- * Get the SourceCode object for a single file
- * @param {string} filename The fully resolved filename to get SourceCode from.
- * @param {Object} engine A CLIEngine.
- * @returns {Array} Array of the SourceCode object representing the file
- * and fatal error message.
- */
-function getSourceCodeOfFile(filename, engine) {
- debug("getting sourceCode of", filename);
- const results = engine.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}`);
- }
-
- // TODO: extract the logic that creates source code objects to `SourceCode#parse(text, options)` or something like.
- const { linter } = getCLIEngineInternalSlots(engine);
- const sourceCode = linter.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} callback Callback for reporting execution status
- * @returns {Object} The SourceCode of all processed files.
- */
-function getSourceCodeOfFiles(patterns, options, callback) {
- const sourceCodes = {};
- const globPatternsList = typeof patterns === "string" ? [patterns] : patterns;
- const engine = new CLIEngine({ ...options, rules: {} });
-
- // TODO: make file iteration as a public API and use it.
- const { fileEnumerator } = getCLIEngineInternalSlots(engine);
- const filenames =
- Array.from(fileEnumerator.iterateFiles(globPatternsList))
- .filter(entry => !entry.ignored)
- .map(entry => entry.filePath);
-
- if (filenames.length === 0) {
- debug(`Did not find any files matching pattern(s): ${globPatternsList}`);
- }
-
- filenames.forEach(filename => {
- const sourceCode = getSourceCodeOfFile(filename, engine);
-
- if (sourceCode) {
- debug("got sourceCode of", filename);
- sourceCodes[filename] = sourceCode;
- }
- if (callback) {
- callback(filenames.length); // eslint-disable-line callback-return
- }
- });
-
- return sourceCodes;
-}
-
-module.exports = {
- getSourceCodeOfFiles
-};