feat(build): require parameter types

Fixes #2833

modules/angular2/src/forms/directives/checkbox_value_accessor.ts

@@ -37,7 +37,7 @@ export class CheckboxControlValueAccessor implements ControlValueAccessor {
     cd.valueAccessor = this;
   }
 
-  writeValue(value) { setProperty(this.renderer, this.elementRef, "checked", value); }
+  writeValue(value: any) { setProperty(this.renderer, this.elementRef, "checked", value); }
 
   get ngClassUntouched(): boolean {
     return isPresent(this.cd.control) ? this.cd.control.untouched : false;
@@ -54,6 +54,6 @@ export class CheckboxControlValueAccessor implements ControlValueAccessor {
     return isPresent(this.cd.control) ? !this.cd.control.valid : false;
   }
 
-  registerOnChange(fn): void { this.onChange = fn; }
-  registerOnTouched(fn): void { this.onTouched = fn; }
+  registerOnChange(fn: (_) => {}): void { this.onChange = fn; }
+  registerOnTouched(fn: () => {}): void { this.onTouched = fn; }
 }

modules/angular2/src/forms/directives/default_value_accessor.ts

@@ -38,7 +38,7 @@ export class DefaultValueAccessor implements ControlValueAccessor {
     cd.valueAccessor = this;
   }
 
-  writeValue(value) {
+  writeValue(value: any) {
     // both this.value and setProperty are required at the moment
     // remove when a proper imperative API is provided
     var normalizedValue = isBlank(value) ? '' : value;
@@ -60,7 +60,7 @@ export class DefaultValueAccessor implements ControlValueAccessor {
     return isPresent(this.cd.control) ? !this.cd.control.valid : false;
   }
 
-  registerOnChange(fn): void { this.onChange = fn; }
+  registerOnChange(fn: (_) => void): void { this.onChange = fn; }
 
-  registerOnTouched(fn): void { this.onTouched = fn; }
+  registerOnTouched(fn: () => void): void { this.onTouched = fn; }
 }

modules/angular2/src/forms/directives/ng_form_control.ts

@@ -79,7 +79,7 @@ export class NgFormControl extends NgControl {
     this.ngValidators = ngValidators;
   }
 
-  onChange(c) {
+  onChange(c: StringMap<string, any>) {
     if (!this._added) {
       setUpControl(this.form, this);
       this.form.updateValidity();

modules/angular2/src/forms/directives/ng_model.ts

@@ -49,7 +49,7 @@ export class NgModel extends NgControl {
     this.ngValidators = ngValidators;
   }
 
-  onChange(c) {
+  onChange(c: StringMap<string, any>) {
     if (!this._added) {
       setUpControl(this._control, this);
       this._control.updateValidity();

modules/angular2/src/forms/directives/select_control_value_accessor.ts

@@ -49,7 +49,7 @@ export class SelectControlValueAccessor implements ControlValueAccessor {
     this._updateValueWhenListOfOptionsChanges(query);
   }
 
-  writeValue(value) {
+  writeValue(value: any) {
     this.value = value;
     setProperty(this.renderer, this.elementRef, "value", value);
   }
@@ -69,8 +69,8 @@ export class SelectControlValueAccessor implements ControlValueAccessor {
     return isPresent(this.cd.control) ? !this.cd.control.valid : false;
   }
 
-  registerOnChange(fn): void { this.onChange = fn; }
-  registerOnTouched(fn): void { this.onTouched = fn; }
+  registerOnChange(fn: () => any): void { this.onChange = fn; }
+  registerOnTouched(fn: () => any): void { this.onTouched = fn; }
 
   private _updateValueWhenListOfOptionsChanges(query: QueryList<NgSelectOption>) {
     query.onChange(() => this.writeValue(this.value));

modules/angular2/src/forms/model.ts

@@ -22,7 +22,7 @@ function _find(c: AbstractControl, path: List<string | number>| string) {
   if (!(path instanceof List)) {
     path = StringWrapper.split(<string>path, new RegExp("/"));
   }
-  if (ListWrapper.isEmpty(path)) return null;
+  if (path instanceof List && ListWrapper.isEmpty(path)) return null;
 
   return ListWrapper.reduce(<List<string | number>>path, (v, name) => {
     if (v instanceof ControlGroup) {
@@ -85,7 +85,7 @@ export class AbstractControl {
     }
   }
 
-  setParent(parent) { this._parent = parent; }
+  setParent(parent: ControlGroup | ControlArray) { this._parent = parent; }
 
   updateValidity({onlySelf}: {onlySelf?: boolean} = {}): void {
     onlySelf = isPresent(onlySelf) ? onlySelf : false;