Merge pull request #32 from nanotronic/master

Adds taggable option

README.md

@@ -121,7 +121,34 @@ export default {
    * an action, rather than using :value.sync to retreive the selected value.
    * @type {[type]}
    */
-  onChange: Function
+  onChange: Function,
+
+  /**
+   * Enable/disable creating options from searchInput.
+   * @type {Boolean}
+   */
+  tagable: {
+    type: Boolean,
+    default: false
+  },
+
+  /**
+   * User defined function for adding Options
+   * @type {Function}
+   */
+  createOption: {
+    type: Function,
+    default: function (value) {
+      let firstOption = this.options[0]
+      if (firstOption && typeof firstOption === 'object' ) {
+        value = {
+          value
+        }
+        value[this.label] = value
+      }
+      return value
+    }
+  }
 ```
 
 ## Todos:

src/components/Select.vue

@@ -251,7 +251,35 @@
        * @type {Function}
        * @default {null}
        */
-      onChange: Function
+      onChange: Function,
+
+      /**
+       * Enable/disable creating options from searchInput.
+       * @type {Boolean}
+       */
+      taggable: {
+        type: Boolean,
+        default: false
+      },
+
+      /**
+       * User defined function for adding Options
+       * @type {Function}
+       */
+      createOption: {
+        type: Function,
+        default: function (newOption) {
+          let value = newOption
+          let firstOption = this.options ? this.options[0] : null
+          if (firstOption && typeof firstOption === 'object' ) {
+            value = {
+              value
+            }
+            value[this.label] = newOption
+          }
+          return value
+        }
+      }
     },
 
     data() {
@@ -267,13 +295,15 @@
         this.onChange && val !== old ? this.onChange(val) : null
       },
       options() {
+        if (!this.taggable) {
           this.$set('value', this.multiple ? [] : null)
+        }
       },
       multiple( val ) {
         this.$set('value', val ? [] : null)
       },
       filteredOptions() {
-        this.typeAheadPointer = 0;
+        this.typeAheadPointer = 0
       },
     },
 
@@ -352,7 +382,7 @@
           return this.value.indexOf(option) !== -1
         }
 
-        return this.value === option;
+        return this.value === option
       },
 
       /**
@@ -379,7 +409,7 @@
       getOptionLabel( option ) {
         if( typeof option === 'object' ) {
           if( this.label && option[this.label] ) {
-            return option[this.label];
+            return option[this.label]
           } else if( option.label ) {
             return option.label
           }
@@ -413,6 +443,12 @@
       typeAheadSelect() {
         if( this.filteredOptions[ this.typeAheadPointer ] ) {
           this.select( this.filteredOptions[ this.typeAheadPointer ] );
+        } else if (this.taggable && this.search.length){
+          let option = this.createOption(this.search)
+          this.$set('options', [option, ...this.options])
+          this.$nextTick(() => {
+            this.select(option)
+          })
         }
 
         if( this.clearSearchOnSelect ) {

test/unit/Select.spec.js

@@ -3,6 +3,14 @@
 import Vue from 'vue'
 import vSelect from '../../src/components/Select.vue'
 
+function trigger (target, event, process) {
+  var e = document.createEvent('HTMLEvents')
+  e.initEvent(event, true, true)
+  if (process) process(e)
+  target.dispatchEvent(e)
+  return e
+}
+
 describe('Select.vue', () => {
 
   it('can accept an array with pre-selected values', () => {
@@ -204,8 +212,45 @@ describe('Select.vue', () => {
       })
     })
   })
+
+  it('can adding option if taggable enabled and search is not empty', () => {
+    const vm = new Vue({
+      template: '<div><v-select :options="options" :value.sync="value" :multiple="true" :taggable="true"></v-select></div>',
+      components: { vSelect },
+      data: {
+        value: ['one'],
+        options: ['one','two','three']
+      }
+    }).$mount()
+    vm.$children[0].search = 'four'
+
+    trigger(vm.$children[0].$els.search, 'keyup', function (e) {
+      e.keyCode = 13
     })
 
+    expect(vm.$children[0].options[0]).toEqual('four')
+  })
+
+  it('should select added option if taggable enabled and search is not empty', (done) => {
+    const vm = new Vue({
+      template: '<div><v-select :options="options" :value.sync="value" :multiple="true" :taggable="true"></v-select></div>',
+      components: { vSelect },
+      data: {
+        value: ['one'],
+        options: ['one','two','three']
+      }
+    }).$mount()
+    vm.$children[0].search = 'four'
+
+    trigger(vm.$children[0].$els.search, 'keyup', function (e) {
+      e.keyCode = 13
+    })
+    Vue.nextTick(() => {
+      expect(vm.$children[0].$get('value')).toEqual(['one', 'four'])
+      done()
+    })
+  })
+})
 
 // also see example testing a component with mocks at
 // https://github.com/vuejs/vueify-example/blob/master/test/unit/a.spec.js#L22-L43