110 lines
4.0 KiB
JavaScript
110 lines
4.0 KiB
JavaScript
|
/**
|
||
|
|
* @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 node/no-restricted-require
|
||
|
|
|
||
|
|
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 node/callback-return
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
return sourceCodes;
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = {
|
||
|
|
getSourceCodeOfFiles
|
||
|
|
};
|