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#!/usr/bin/env node
/**
* @fileoverview Main CLI that is run via the eslint command.
* @author Nicholas C. Zakas
*/
/* eslint no-console:off */
"use strict";
// to use V8's code cache to speed up instantiation time
require("v8-compile-cache");
//------------------------------------------------------------------------------
// Helpers
//------------------------------------------------------------------------------
const useStdIn = (process.argv.indexOf("--stdin") > -1),
init = (process.argv.indexOf("--init") > -1),
debug = (process.argv.indexOf("--debug") > -1);
// must do this initialization *before* other requires in order to work
if (debug) {
require("debug").enable("eslint:*,-eslint:code-path");
}
//------------------------------------------------------------------------------
// Requirements
//------------------------------------------------------------------------------
// now we can safely include the other modules that use debug
const cli = require("../lib/cli"),
path = require("path"),
fs = require("fs");
//------------------------------------------------------------------------------
// Execution
//------------------------------------------------------------------------------
process.once("uncaughtException", err => {
// lazy load
const lodash = require("lodash");
if (typeof err.messageTemplate === "string" && err.messageTemplate.length > 0) {
const template = lodash.template(fs.readFileSync(path.resolve(__dirname, `../messages/${err.messageTemplate}.txt`), "utf-8"));
const pkg = require("../package.json");
console.error("\nOops! Something went wrong! :(");
console.error(`\nESLint: ${pkg.version}.\n\n${template(err.messageData || {})}`);
} else {
console.error(err.stack);
}
process.exitCode = 2;
});
if (useStdIn) {
/*
* Note: `process.stdin.fd` is not used here due to https://github.com/nodejs/node/issues/7439.
* Accessing the `process.stdin` property seems to modify the behavior of file descriptor 0, resulting
* in an error when stdin is piped in asynchronously.
*/
const STDIN_FILE_DESCRIPTOR = 0;
process.exitCode = cli.execute(process.argv, fs.readFileSync(STDIN_FILE_DESCRIPTOR, "utf8"));
} else if (init) {
const configInit = require("../lib/init/config-initializer");
configInit.initializeConfig().then(() => {
process.exitCode = 0;
}).catch(err => {
process.exitCode = 1;
console.error(err.message);
console.error(err.stack);
});
} else {
process.exitCode = cli.execute(process.argv);
}
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