fix(options): pass options to try-catch-callback

add tests and pass options to try-catch-callback

index.js

@@ -67,25 +67,31 @@ var utils = require('./utils')
  * @api public
  */
 
-module.exports = function tryCatchCore (fn, cb) {
+module.exports = function tryCatchCore (fn, cb, opts) {
   if (typeof fn !== 'function') {
     throw new TypeError('try-catch-core: expect `fn` to be a function')
   }
   if (typeof cb !== 'function') {
     return function thunk (done) {
-      tryCatch(fn, done)
+      tryCatch.call(this, fn, done, cb || opts)
     }
   }
-  tryCatch(fn, cb)
+  tryCatch.call(this, fn, cb, opts)
 }
 
-function tryCatch (fn, cb) {
+function tryCatch (fn, cb, opts) {
   if (typeof cb !== 'function') {
     throw new TypeError('try-catch-core: expect `cb` to be a function')
   }
-  if (utils.isAsync(fn)) {
-    fn(utils.once(utils.dezalgo(cb)))
-    return
-  }
-  utils.tryCatchCallback(fn, utils.once(cb), true)
+  cb = utils.isAsync(fn)
+    ? utils.once(utils.dezalgo(cb))
+    : utils.once(cb)
+  opts = opts && typeof opts === 'object'
+    ? opts
+    : {}
+  opts.passCallback = typeof opts.passCallback === 'boolean'
+    ? opts.passCallback
+    : true
+
+  utils.tryCatchCallback.call(this, fn, cb, opts)
 }

test.js

@@ -93,3 +93,32 @@ test('should pass result from `fs.readFile` to the callback', function (done) {
     done()
   })
 })
+
+test('should be able to pass custom arguments through options', function (done) {
+  tryCatchCore(function (foo, bar, next) {
+    test.strictEqual(arguments.length, 3)
+    test.strictEqual(foo, 1)
+    test.strictEqual(bar, 2)
+    next(null, foo)
+  }, function (err, res) {
+    test.strictEqual(err, null)
+    test.strictEqual(res, 1)
+    done()
+  }, { args: [ 1, 2 ] })
+})
+
+test('should not pass a callback to `fn` if passCallback:false', function (done) {
+  tryCatchCore(function () {
+    test.strictEqual(arguments.length, 0)
+  }, function (err, res) {
+    test.strictEqual(err, null)
+    test.strictEqual(res, undefined)
+    done()
+  }, { passCallback: false })
+})
+
+test('should pass custom context to `fn` through options', function (done) {
+  tryCatchCore(function () {
+    test.strictEqual(this.foo, 'bar')
+  }, done, { context: { foo: 'bar' } })
+})