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keksAccountGUI/node_modulesOLD/eslint/lib/util/source-code-utils.js

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2019-08-11 18:48:02 +00:00
/**
* @fileoverview Tools for obtaining SourceCode objects.
* @author Ian VanSchooten
*/
"use strict";
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
const CLIEngine = require("../cli-engine"),
globUtils = require("./glob-utils"),
baseDefaultOptions = require("../../conf/default-cli-options");
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} 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 = cli.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} [providedOptions] A CLIEngine options object. If not provided, the default cli options will be used.
* @param {progressCallback} [providedCallback] Callback for reporting execution status
* @returns {Object} The SourceCode of all processed files.
*/
function getSourceCodeOfFiles(patterns, providedOptions, providedCallback) {
const sourceCodes = {};
const globPatternsList = typeof patterns === "string" ? [patterns] : patterns;
let options, callback;
const defaultOptions = Object.assign({}, baseDefaultOptions, { cwd: process.cwd() });
if (typeof providedOptions === "undefined") {
options = defaultOptions;
callback = null;
} else if (typeof providedOptions === "function") {
callback = providedOptions;
options = defaultOptions;
} else if (typeof providedOptions === "object") {
options = Object.assign({}, defaultOptions, providedOptions);
callback = providedCallback;
}
debug("constructed options:", options);
const filenames = globUtils.listFilesToProcess(globPatternsList, options)
.filter(fileInfo => !fileInfo.ignored)
.reduce((files, fileInfo) => files.concat(fileInfo.filename), []);
if (filenames.length === 0) {
debug(`Did not find any files matching pattern(s): ${globPatternsList}`);
}
filenames.forEach(filename => {
const sourceCode = getSourceCodeOfFile(filename, options);
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
};