played a little with nopt/commander options and basic completion

bin/pkgrc

@@ -3,6 +3,18 @@ var completion = require('../lib/completion');
 
 // this file is mainly just an example of usage
 
+// test with nopt options
+var noptions = require('../examples/nopt/nopt'),
+  opts = Object.keys(noptions.opts),
+  alias = Object.keys(noptions.alias),
+  all = opts.concat(alias);
+
+// test with commander options
+var program = require('../examples/commander/pizza'),
+  short = program.options.map(function(opt) { return opt.short; })
+  long = program.options.map(function(opt) { return opt.long; }),
+  commanderAll = short.concat(long);
+
 // pass the module name, will change to module
 // reference + dir walk to find a package.json
 completion.complete('pkgrc', function(err, o) {
@@ -18,14 +30,48 @@ completion.complete('pkgrc', function(err, o) {
   // Setting completion output is simply a matter of writing to the console
   //
 
-  console.log(o.line);
-  console.log(o.partial);
-  console.log(o.words);
-  console.log(o.point);
-  console.log(o.last);
-  console.log(o.lastPartial);
+  // console.log(o.line);
+  // console.log(o.partial);
+  // console.log(o.words);
+  // console.log(o.point);
+  // console.log(o.last);
+  // console.log(o.lastPartial);
+
+  if(o.last === 'hello') {
+    return console.log('World');
+  }
+
+  if(o.last === 'js') {
+    return console.log('javascript');
+  }
+
+  // basic config - and -- catch up
+  if(o.last === '-' && o.prev !== 'commander') {
+    return log(alias, '-');
+  }
 
-  if(o.partial === 'hello') {
-    console.log('World');
+  if(o.last === '--' && o.prev !== 'commander') {
+    return log(opts, '--');
   }
+
+  if(o.prev === 'config' || o.last === 'config') {
+    return log(all);
+  }
+
+  if(o.prev === 'commander') {
+    if(o.last === '--') return log(long);
+    return log(commanderAll);
+  }
+
+
+  console.log('line:' + o.line);
+  console.log('last:' + o.last);
+  console.log('prev: ' + o.prev);
 });
+
+function log(arr, prefix) {
+  prefix = prefix || '';
+  arr.forEach(function(v) {
+    console.log(prefix + v);
+  });
+}

examples/commander/custom-help

@@ -4,7 +4,7 @@
  * Module dependencies.
  */
 
-var program = require('../');
+var program = require('commander');
 
 function list(val) {
   return val.split(',').map(Number);

examples/commander/defaults

@@ -4,7 +4,7 @@
  * Module dependencies.
  */
 
-var program = require('../');
+var program = require('commander');
 
 function list(val) {
   return val.split(',').map(Number);

examples/commander/deploy

@@ -4,7 +4,7 @@
  * Module dependencies.
  */
 
-var program = require('../');
+var program = require('commander');
 
 program
   .version('0.0.1')

examples/commander/express

@@ -4,7 +4,7 @@
  * Module dependencies.
  */
 
-var program = require('../');
+var program = require('commander');
 
 program
   .version('0.0.1')
@@ -15,4 +15,4 @@ program
 
 console.log(' - sessions %j', program.sessions);
 console.log(' - template %j', program.template);
-console.log(' - css %j', program.css);
+console.log(' - css %j', program.css);

examples/commander/pizza

@@ -4,25 +4,26 @@
  * Module dependencies.
  */
 
-var program = require('../');
+var program = require('commander');
 
 program
   .version('0.0.1')
   .option('-p, --peppers', 'Add peppers')
   .option('-P, --pineapple', 'Add pineapple')
   .option('-b, --bbq', 'Add bbq sauce')
   .option('-c, --cheese <type>', 'Add the specified type of cheese [marble]')
-  .option('-C, --no-cheese', 'You do not want any cheese')
-  .parse(process.argv);
+  .option('-C, --no-cheese', 'You do not want any cheese');
 
-console.log('you ordered a pizza with:');
-if (program.peppers) console.log('  - peppers');
-if (program.pineappe) console.log('  - pineapple');
-if (program.bbq) console.log('  - bbq');
 
-var cheese = true === program.cheese
-  ? 'marble'
-  : program.cheese || 'no';
+// expose programs so that we can play with commander options
+module.exports = program;
 
-console.log('  - %s cheese', cheese);
-console.log(program.args);
+//console.log('you ordered a pizza with:');
+//if (program.peppers) console.log('  - peppers');
+//if (program.pineappe) console.log('  - pineapple');
+//if (program.bbq) console.log('  - bbq');
+
+// var cheese = true === program.cheese ? 'marble' : program.cheese || 'no';
+// console.log('  - %s cheese', cheese);
+
+// console.log(program.args);

examples/nopt/nopt.js

@@ -32,4 +32,4 @@ var nopt = require('nopt')
 exports.opts = knownOpts
 exports.alias = shortHands
 
-console.log("parsed =\n"+ require("util").inspect(parsed, false, 2, true))
+// console.log("parsed =\n"+ require("util").inspect(parsed, false, 2, true))

lib/completion.js

@@ -27,7 +27,7 @@ exports.complete = function(name, cb) {
   var partial = line.substr(0, point),
   last = line.split(' ').slice(-1).join(''),
   lastPartial = partial.split(' ').slice(-1).join(''),
-  prev = line.split(' ').slice(0, -1).slice(-1);
+  prev = line.split(' ').slice(0, -1).slice(-1)[0];
 
   cb(null, {
     line: line,