chore: many typos

Author: crisbeto

src/lib/core/error/error-options.ts

@@ -12,15 +12,15 @@ import {FormGroupDirective, NgForm, NgControl} from '@angular/forms';
 /** Error state matcher that matches when a control is invalid and dirty. */
 @Injectable()
 export class ShowOnDirtyErrorStateMatcher implements ErrorStateMatcher {
-  isErrorSate(control: NgControl | null, form: FormGroupDirective | NgForm | null): boolean {
+  isErrorState(control: NgControl | null, form: FormGroupDirective | NgForm | null): boolean {
     return control ? !!(control.invalid && (control.dirty || (form && form.submitted))) : false;
   }
 }
 
 /** Provider that defines how form controls behave with regards to displaying error messages. */
 @Injectable()
 export class ErrorStateMatcher {
-  isErrorSate(control: NgControl | null, form: FormGroupDirective | NgForm | null): boolean {
+  isErrorState(control: NgControl | null, form: FormGroupDirective | NgForm | null): boolean {
     return control ? !!(control.invalid && (control.touched || (form && form.submitted))) : false;
   }
 }

src/lib/input/input-container.spec.ts

@@ -843,7 +843,7 @@ describe('MdInputContainer with forms', () => {
           MdInputContainerWithFormErrorMessages
         ],
         providers: [
-          { provide: ErrorStateMatcher, useValue: { isErrorSate: globalErrorStateMatcher } }
+          { provide: ErrorStateMatcher, useValue: { isErrorState: globalErrorStateMatcher } }
         ]
       });
 
@@ -1201,7 +1201,7 @@ class MdInputContainerWithCustomErrorStateMatcher {
 
   errorState = false;
   customErrorStateMatcher: ErrorStateMatcher = {
-    isErrorSate: () => this.errorState
+    isErrorState: () => this.errorState
   };
 }
 

src/lib/input/input-container.ts

@@ -296,7 +296,7 @@ export class MdInputDirective implements OnChanges, OnDestroy, DoCheck {
   private _updateErrorState() {
     let oldState = this._isErrorState;
     let matcher = this.errorStateMatcher || this._globalErrorStateMatcher;
-    let newState = matcher.isErrorSate(this._ngControl, this._parentFormGroup || this._parentForm);
+    let newState = matcher.isErrorState(this._ngControl, this._parentFormGroup || this._parentForm);
 
     if (newState !== oldState) {
       this._isErrorState = newState;

src/lib/input/input.md

@@ -115,7 +115,7 @@ By default, error messages are shown when the control is invalid and either the
 with (touched) the element or the parent form has been submitted. If you wish to override this
 behavior (e.g. to show the error as soon as the invalid control is dirty or when a parent form group
 is invalid), you can use the `errorStateMatcher` property of the `mdInput`. To use this property,
-create an `ErrorStateMatcher` object in your component class that has a `isErrorSate` function which
+create an `ErrorStateMatcher` object in your component class that has a `isErrorState` function which
 returns a boolean. A result of `true` will display the error messages.
 
 ```html
@@ -127,7 +127,7 @@ returns a boolean. A result of `true` will display the error messages.
 
 ```ts
 class MyErrorStateMatcher implements ErrorStateMatcher {
-  isErrorSate(control: NgControl | null, form: FormGroupDirective | NgForm | null): boolean {
+  isErrorState(control: NgControl | null, form: FormGroupDirective | NgForm | null): boolean {
     // Error when invalid control is dirty, touched, or submitted
     const isSubmitted = form && form.submitted;
     return !!(control && control.invalid && (control.dirty || control.touched || isSubmitted)));

src/lib/select/select.spec.ts

@@ -2674,7 +2674,7 @@ describe('MdSelect', () => {
       expect(component.control.invalid).toBe(false);
       expect(component.select._isErrorState()).toBe(false);
 
-      customErrorFixture.componentInstance.errorStateMatcher = { isErrorSate: matcher };
+      customErrorFixture.componentInstance.errorStateMatcher = { isErrorState: matcher };
       customErrorFixture.detectChanges();
 
       expect(component.select._isErrorState()).toBe(true);
@@ -2683,7 +2683,7 @@ describe('MdSelect', () => {
 
     it('should be able to override the error matching behavior via the injection token', () => {
       const errorStateMatcher: ErrorStateMatcher = {
-        isErrorSate: jasmine.createSpy('error state matcher').and.returnValue(true)
+        isErrorState: jasmine.createSpy('error state matcher').and.returnValue(true)
       };
 
       fixture.destroy();
@@ -2700,7 +2700,7 @@ describe('MdSelect', () => {
       errorFixture.detectChanges();
 
       expect(component.select._isErrorState()).toBe(true);
-      expect(errorStateMatcher.isErrorSate).toHaveBeenCalled();
+      expect(errorStateMatcher.isErrorState).toHaveBeenCalled();
     });
   });
 

src/lib/select/select.ts

@@ -638,7 +638,7 @@ export class MdSelect extends _MdSelectMixinBase implements AfterContentInit, On
   /** Whether the select is in an error state. */
   _isErrorState(): boolean {
     const matcher = this.errorStateMatcher || this._globalErrorStateMatcher;
-    return matcher.isErrorSate(this._control, this._parentFormGroup || this._parentForm);
+    return matcher.isErrorState(this._control, this._parentFormGroup || this._parentForm);
   }
 
   /**