Adds the @blur-context event, resolves wearebraid#304

Author: justin-schroeder

dist/formulate.esm.js

@@ -503,6 +503,7 @@ function blurHandler () {
   if (this.errorBehavior === 'blur' || this.errorBehavior === 'value') {
     this.behavioralErrorVisibility = true
   }
+  this.$nextTick(() => this.$emit('blur-context', this.context))
 }
 
 /**

dist/formulate.min.js

@@ -47,7 +47,7 @@ Cypress.Commands.add('submittedValue', (name = 'inputUnderTest') => {
     // wait before executing, this allows us to prevent race conditions where
     // formSubmitted.finally() has not yet been called but we're already
     // re-running a submission test
-    cy.wait(100)
+    cy.wait(200)
     return window.getSubmittedValue()
       .then(value => cy.wrap(value[name]))
   })

dist/formulate.umd.js

@@ -1107,4 +1107,24 @@ describe('FormulateInput', () => {
     expect(wrapper.find('.formulate-input-element .custom-prefix').text()).toBe('Hello therejustin')
     resetInstance()
   })
+
+  it('emits a blur-context event on blur', async () => {
+    const listener = jest.fn();
+    const wrapper = mount(FormulateInput, {
+      propsData: {
+        type: 'text',
+        validation: 'required|email',
+        value: 'not an email',
+        errorBehavior: 'live'
+      },
+      listeners: {
+        'blur-context': listener
+      }
+    })
+    await flushPromises()
+    wrapper.find('input').trigger('blur')
+    await flushPromises()
+    expect(listener.mock.calls.length).toBe(1)
+    expect(listener.mock.calls[0][0].isValid).toBe(false)
+  })
 })