feat(*): Allow multiple .options()

Author: justinvdm

int.js

@@ -1,5 +1,6 @@
 var hash = require('./hash')
 var fit = require('./internal/fit')
+var conj = require('./internal/conj')
 
 function int(input, opts) {
   opts = opts || 0
@@ -10,8 +11,12 @@ function int(input, opts) {
 }
 
 int.options = function intOptions(opts) {
-  return function intOptionsFn(input) {
-    return int(input, opts)
+  var base = this
+  intFn.options = int.options
+  return intFn
+
+  function intFn(input, overrides) {
+    return base(input, conj(opts, overrides))
   }
 }
 

internal/conj.js

@@ -0,0 +1,24 @@
+var hasOwnProperty = Object.prototype.hasOwnProperty
+
+module.exports = function conj(a, b) {
+  var result = {}
+  var k
+
+  if (a) {
+    for (k in a) {
+      if (hasOwnProperty.call(a, k)) {
+        result[k] = a[k]
+      }
+    }
+  }
+
+  if (b) {
+    for (k in b) {
+      if (hasOwnProperty.call(b, k)) {
+        result[k] = b[k]
+      }
+    }
+  }
+
+  return result
+}

tests/int.test.js

@@ -9,6 +9,17 @@ tap.test('min and max', t => {
 })
 
 tap.test('.options()', t => {
-  t.equals(int.options({ max: 2 })('foo'), int('foo', { max: 2 }))
+  t.equals(
+    int
+      .options({
+        min: 2,
+        max: 2
+      })
+      .options({ min: 1 })('foo'),
+    int('foo', {
+      min: 1,
+      max: 2
+    })
+  )
   t.end()
 })

tests/word.test.js

@@ -9,7 +9,10 @@ tap.test('capitalize', t => {
 
 tap.test('.options()', t => {
   t.equals(
-    word.options({ capitalize: false })(23),
+    word
+      .options({ capitalize: false })
+      .options({ capitalize: true })
+      .options({ capitalize: false })(23),
     word(23, { capitalize: false })
   )
 

word.js

@@ -1,4 +1,5 @@
 var hash = require('./hash')
+var conj = require('./internal/conj')
 var defaults = require('./internal/defaults')
 
 var VOWELS = 'aeiou'
@@ -31,8 +32,12 @@ function word(input, opts) {
 }
 
 word.options = function wordOptions(opts) {
-  return function wordOptionsFn(input) {
-    return word(input, opts)
+  var base = this
+  wordFn.options = word.options
+  return wordFn
+
+  function wordFn(input, overrides) {
+    return base(input, conj(opts, overrides))
   }
 }