fix(input-number): emit null when empty is input (#111)

lib/components/SInputNumber.vue

@@ -38,6 +38,6 @@ defineProps({
 const emit = defineEmits(['update:modelValue'])
 
 function emitUpdate(value: string): void {
-  emit('update:modelValue', value === '' ? null : Number(value))
+  emit('update:modelValue', value ? Number(value): null)
 }
 </script>

tests/components/SInputNumber.spec.ts

@@ -0,0 +1,30 @@
+import { mount } from '@vue/test-utils'
+import SInputNumber from 'sefirot/components/SInputNumber.vue'
+
+describe('components/SNumber', () => {
+  it('should emit value on input', () => {
+    const wrapper = mount(SInputNumber)
+
+    wrapper.find('.SInputNumber .input').setValue(0)
+    expect((wrapper.emitted('update:modelValue') as any[][])[0][0]).toBe(0)
+
+    wrapper.find('.SInputNumber .input').setValue(2)
+    expect((wrapper.emitted('update:modelValue') as any[][])[1][0]).toBe(2)
+
+    wrapper.find('.SInputNumber .input').setValue(-2)
+    expect((wrapper.emitted('update:modelValue') as any[][])[2][0]).toBe(-2)
+  })
+
+  it('should emit null when value is null or empty', () => {
+    const wrapper = mount(SInputNumber)
+
+    wrapper.find('.SInputNumber .input').setValue(null)
+    expect((wrapper.emitted('update:modelValue') as any[][])[0][0]).toBe(null)
+
+    wrapper.find('.SInputNumber .input').setValue(undefined)
+    expect((wrapper.emitted('update:modelValue') as any[][])[1][0]).toBe(null)
+
+    wrapper.find('.SInputNumber .input').setValue('')
+    expect((wrapper.emitted('update:modelValue') as any[][])[2][0]).toBe(null)
+  })
+})