Support for "-f -"

README.md

@@ -14,9 +14,9 @@ Currently it indexes all functions, both public and private.
 ## Usage
 
     $ bin/javascript-ctags -?
-    javascript-ctags [-?] [-t tagfile] [fileglob]
+    javascript-ctags [-?] [-t/-f tagfile] [fileglob]
     --help, -h, -?	 show this
-    --tagfile, -t	 The generated tagfile (default tags)
+    --tagfile, -t, -f	 The generated tagfile (default tags), use - for STDOUT
     fileglob	 A glob pattern (supports **/*.js), (default *.js)
 
 

lib/javascript_ctags.js

@@ -27,8 +27,16 @@ function parse(files) {
 }
 
 function writeFile(filename, tags) {
-  fs.writeFileSync(filename, tags.join('\n'));
+  var contents = tags.join("\n");
+  if(filename == "-") {
+    console.log(contents);
+  } else {
+    fs.writeFileSync(filename, contents);
+  }
 }
 
+
+
 module.exports = parseAndGenerate;
 module.exports.files = files;
+module.exports.writeFile = writeFile;

lib/main.js

@@ -18,6 +18,7 @@ function parseArgs(args) {
   };
   var shortcuts = {
       t: '--tagfile',
+      f: '--tagfile',
       h: '--help',
       '?': '--help'
   };
@@ -30,9 +31,9 @@ function parseArgs(args) {
 }
 
 function usage() {
-  console.log('javascript-ctags [-?] [-t tagfile] [fileglob]');
+  console.log('javascript-ctags [-?] [-t or -f tagfile] [fileglob]');
   console.log('--help, -h, -?\t show this');
-  console.log('--tagfile, -t\t The generated tagfile (default tags)');
+  console.log('--tagfile, -t, -f\t The generated tagfile (default tags), use - for STDOUT');
   console.log('  fileglob\t A glob pattern (supports **/*.js), (default *.js)');
 }
 

package.json

@@ -24,7 +24,8 @@
   },
   "devDependencies": {
     "mocha": "~1.7.0",
-    "chai": "~1.3.0"
+    "chai": "~1.3.0",
+    "sinon": "~1.7"
   },
   "bin": { "javascript-ctags": "./bin/javascript-ctags" }
 }

test/javascript_ctags_spec.js

@@ -1,7 +1,9 @@
 "use strict";
 
 require('mocha');
+var sinon = require('sinon');
 var expect = require('chai').expect;
+var fs = require('fs');
 
 var javascriptCtags = require('../lib/javascript_ctags');
 
@@ -13,4 +15,32 @@ describe('main', function() {
       expect(files).to.have.length(5);
     });
   });
+
+  describe("#writeFile", function(){
+    var consoleSpy,
+        fsSpy,
+        tags = [];
+
+    beforeEach(function() {
+      consoleSpy = sinon.spy(console, 'log');
+      fsSpy = sinon.spy(fs, 'writeFileSync');
+    });
+
+    afterEach(function() {
+      console.log.restore();
+      fs.writeFileSync.restore();
+    });
+
+    it("writes contents to console if filename is -", function(){
+      javascriptCtags.writeFile("-", tags);
+      expect(consoleSpy.called).to.equal(true);
+      expect(fsSpy.called).to.equal(false);
+    });
+
+    it("writes contents to given file", function(){
+      javascriptCtags.writeFile("tags", tags);
+      expect(fsSpy.called).to.equal(true);
+      expect(consoleSpy.called).to.equal(false);
+    });
+  });
 });