chore(docs): update autocomplete-filter-example.ts (#8167)

atscott · josephperrott · commit 2667c017cdc2 · 2017-11-06T14:16:11.000-08:00
diff --git a/src/material-examples/autocomplete-filter/autocomplete-filter-example.ts b/src/material-examples/autocomplete-filter/autocomplete-filter-example.ts
@@ -26,8 +26,8 @@ export class AutocompleteFilterExample {
 
    ngOnInit() {
       this.filteredOptions = this.myControl.valueChanges
-         .startWith(null)
-         .map(val => val ? this.filter(val) : this.options.slice());
+         .startWith('')
+         .map(val => this.filter(val));
    }
 
     filter(val: string): string[] {

Original file line number	Diff line number	Diff line change
`@@ -26,8 +26,8 @@ export class AutocompleteFilterExample {`
`26`	`26`
`27`	`27`	`ngOnInit() {`
`28`	`28`	`this.filteredOptions = this.myControl.valueChanges`
`29`		`- .startWith(null)`
`30`		`- .map(val => val ? this.filter(val) : this.options.slice());`
	`29`	`+ .startWith('')`
	`30`	`+ .map(val => this.filter(val));`
`31`	`31`	`}`
`32`	`32`
`33`	`33`	`filter(val: string): string[] {`