fix: value entered manually in disabled range should be invalid (#508)

Author: mengxiong10

__test__/date-picker.test.js

@@ -418,4 +418,24 @@ describe('DatePicker', () => {
     });
     expect(vm.validMultipleType).toBe(false);
   });
+
+  it('If the value entered manually is in the disabled range should be invalid', () => {
+    const someday = new Date(2020, 6, 1);
+    wrapper = shallowMount(DatePicker, {
+      format: 'YYYY-MM-DD',
+      propsData: {
+        disabledDate: date => {
+          return date < someday;
+        },
+      },
+    });
+    const textInput = wrapper.find('input');
+    textInput.setValue('2020-08-01');
+    textInput.trigger('change');
+    expect(wrapper.emitted().input[0][0]).toEqual(new Date(2020, 7, 1));
+    textInput.setValue('2020-05-01');
+    textInput.trigger('change');
+    expect(wrapper.emitted().input[1]).toBe(undefined);
+    expect(wrapper.emitted()['input-error'][0][0]).toBe('2020-05-01');
+  });
 });

src/date-picker.vue

@@ -396,6 +396,19 @@ export default {
       }
       return isValidDate(value);
     },
+    isValidValueAndNotDisabled(value) {
+      if (!this.isValidValue(value)) {
+        return false;
+      }
+      const disabledDate =
+        typeof this.disabledDate === 'function' ? this.disabledDate : () => false;
+      const disabledTime =
+        typeof this.disabledTime === 'function' ? this.disabledTime : () => false;
+      if (!Array.isArray(value)) {
+        value = [value];
+      }
+      return value.every(v => !disabledDate(v) && !disabledTime(v));
+    },
     handleMultipleDates(date, dates) {
       if (this.validMultipleType && dates) {
         const nextDates = dates.filter(v => v.getTime() !== date.getTime());
@@ -470,7 +483,7 @@ export default {
       } else {
         date = this.parseDate(text, this.format);
       }
-      if (this.isValidValue(date)) {
+      if (this.isValidValueAndNotDisabled(date)) {
         this.emitValue(date);
         this.blur();
       } else {