From 0c6e157564ba092f8a85acbf3ec500bb90f5e07a Mon Sep 17 00:00:00 2001
From: crisbeto <crisbeto@abv.bg>
Date: Mon, 10 Jun 2019 19:00:06 +0200
Subject: [PATCH] feat(form-field): allow hideRequiredMarker default value to
 be configured

Allows for the `hideRequiredMarker` default value to be configured through the `MAT_FORM_FIELD_DEFAULT_OPTIONS` injection token.

Fixes #16243.
---
 src/material/form-field/form-field.ts         |  3 ++
 src/material/input/input.spec.ts              | 45 ++++++++++++-------
 .../public_api_guard/material/form-field.d.ts |  1 +
 3 files changed, 34 insertions(+), 15 deletions(-)

diff --git a/src/material/form-field/form-field.ts b/src/material/form-field/form-field.ts
index b9f11b3672f7..8c6bdd383140 100644
--- a/src/material/form-field/form-field.ts
+++ b/src/material/form-field/form-field.ts
@@ -84,6 +84,7 @@ export type MatFormFieldAppearance = 'legacy' | 'standard' | 'fill' | 'outline';
  */
 export interface MatFormFieldDefaultOptions {
   appearance?: MatFormFieldAppearance;
+  hideRequiredMarker?: boolean;
 }
 
 /**
@@ -280,6 +281,8 @@ export class MatFormField extends _MatFormFieldMixinBase
 
     // Set the default through here so we invoke the setter on the first run.
     this.appearance = (_defaults && _defaults.appearance) ? _defaults.appearance : 'legacy';
+    this._hideRequiredMarker = (_defaults && _defaults.hideRequiredMarker != null) ?
+        _defaults.hideRequiredMarker : false;
   }
 
   /**
diff --git a/src/material/input/input.spec.ts b/src/material/input/input.spec.ts
index 185fe87f91c8..b0f79227ac1d 100644
--- a/src/material/input/input.spec.ts
+++ b/src/material/input/input.spec.ts
@@ -1455,32 +1455,47 @@ describe('MatInput with appearance', () => {
 });
 
 describe('MatFormField default options', () => {
-  it('should be legacy appearance if no default options provided', fakeAsync(() => {
+  it('should be legacy appearance if no default options provided', () => {
     const fixture = createComponent(MatInputWithAppearance);
     fixture.detectChanges();
-    flush();
     expect(fixture.componentInstance.formField.appearance).toBe('legacy');
-  }));
+  });
 
-  it('should be legacy appearance if empty default options provided', fakeAsync(() => {
+  it('should be legacy appearance if empty default options provided', () => {
     const fixture = createComponent(MatInputWithAppearance, [{
       provide: MAT_FORM_FIELD_DEFAULT_OPTIONS, useValue: {}}
     ]);
 
     fixture.detectChanges();
-    flush();
     expect(fixture.componentInstance.formField.appearance).toBe('legacy');
-  }));
+  });
+
+  it('should be able to change the default appearance', () => {
+    const fixture = createComponent(MatInputWithAppearance, [{
+      provide: MAT_FORM_FIELD_DEFAULT_OPTIONS, useValue: {appearance: 'fill'}}
+    ]);
+    fixture.detectChanges();
+    expect(fixture.componentInstance.formField.appearance).toBe('fill');
+  });
+
+  it('should default hideRequiredMarker to false', () => {
+    const fixture = createComponent(MatInputWithAppearance, [{
+      provide: MAT_FORM_FIELD_DEFAULT_OPTIONS, useValue: {}}
+    ]);
+
+    fixture.detectChanges();
+    expect(fixture.componentInstance.formField.hideRequiredMarker).toBe(false);
+  });
+
+  it('should be able to change the default value of hideRequiredMarker', () => {
+    const fixture = createComponent(MatInputWithAppearance, [{
+      provide: MAT_FORM_FIELD_DEFAULT_OPTIONS, useValue: {hideRequiredMarker: true}}
+    ]);
+
+    fixture.detectChanges();
+    expect(fixture.componentInstance.formField.hideRequiredMarker).toBe(true);
+  });
 
-  it('should be custom default appearance if custom appearance specified in default options',
-      fakeAsync(() => {
-        const fixture = createComponent(MatInputWithAppearance, [{
-          provide: MAT_FORM_FIELD_DEFAULT_OPTIONS, useValue: {appearance: 'fill'}}
-        ]);
-        fixture.detectChanges();
-        flush();
-        expect(fixture.componentInstance.formField.appearance).toBe('fill');
-      }));
 });
 
 describe('MatInput with textarea autosize', () => {
diff --git a/tools/public_api_guard/material/form-field.d.ts b/tools/public_api_guard/material/form-field.d.ts
index 346e2bf714df..05fc04caea77 100644
--- a/tools/public_api_guard/material/form-field.d.ts
+++ b/tools/public_api_guard/material/form-field.d.ts
@@ -81,6 +81,7 @@ export declare abstract class MatFormFieldControl<T> {
 
 export interface MatFormFieldDefaultOptions {
     appearance?: MatFormFieldAppearance;
+    hideRequiredMarker?: boolean;
 }
 
 export declare class MatFormFieldModule {