105 lines
3.8 KiB
JavaScript
105 lines
3.8 KiB
JavaScript
/**
|
|
* @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
|
|
};
|