Add --stdin and --stdin-filename CLI options

lib/cli.js

@@ -11,7 +11,7 @@ const tasks = require('./tasks');
 const utils = require('./utils');
 const ignore = require('./ignore');
 
-const isTTY = process.stdin.isTTY;
+const isStdin = program.stdin;
 const jsonDefault = require('../.yaspellerrc.default.json');
 
 programOptions.init({defaultIgnoreTags: jsonDefault.ignoreTags.join(',')});
@@ -55,14 +55,14 @@ dict.set(program.dictionary, json.dictionary);
 
 report.addReports(program.report || json.report);
 
-if (isTTY && !program.args.length) {
+if (!isStdin && !program.args.length) {
     program.help();
 }
 
 async.series(
-    isTTY || program.args.length ?
-        tasks.forResources(program.args, settings) :
-        tasks.forStdin(settings),
+    isStdin ?
+        tasks.forStdin(settings, program.stdinFilename) :
+        tasks.forResources(program.args, settings),
     function() {
         report.onend();
         process.exit();

lib/options.js

@@ -27,10 +27,12 @@ module.exports = {
                 params.defaultIgnoreTags +
                 '"', splitByCommas, null)
             .option('--ignore-text <regexp>', 'ignore text using RegExp')
+            .option('--stdin', 'process files on <STDIN>. Default: false')
+            .option('--stdin-filename <file>', 'specify filename to process STDIN as')
             .option('--max-requests <number>', 'max count of requests at a time. Default: 2', parseInt, 0)
             .option('--only-errors', 'output only errors')
-            .option('--debug', 'debug mode')
-            .option('--check-yo', 'checking the letter Ё (Yo) in words.');
+            .option('--check-yo', 'checking the letter Ё (Yo) in words.')
+            .option('--debug', 'debug mode');
 
         this.apiOptions.forEach(function(el) {
             program.option('--' + utils.kebabCase(el[0]), el[1]);

lib/tasks.js

@@ -82,9 +82,10 @@ module.exports = {
      * Prepare task for stdin.
      *
      * @param {Object} settings
+     * @param {string} [filename]
      * @return {Array}
      */
-    forStdin(settings) {
+    forStdin(settings, filename) {
         return [function(callback) {
             let text = '';
 
@@ -102,7 +103,7 @@ module.exports = {
                         onResource(
                             err,
                             err ? data : {
-                                resource: 'stdin',
+                                resource: filename || 'stdin',
                                 data: data,
                                 time: Date.now() - startTime
                             },