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perf(forms): use `ngDevMode` to tree-shake `_ngModelWarning` (#39964) 

This commit adds `ngDevMode` guard to call `_ngModelWarning` only
in dev mode (similar to how things work in other parts of Ivy runtime code).
The `ngDevMode` flag helps to tree-shake this function from production builds
(since it will act as no-op, in dev mode everything will work as it works right now)
to decrease production bundle size.

PR Close #39964
This commit is contained in:
arturovt 2020-12-04 13:06:48 +02:00 committed by Misko Hevery
parent 9ebe42370a
commit 7954c8dfa3
3 changed files with 8 additions and 8 deletions
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2
packages/forms/src/directives/reactive_directives/form_control_directive.ts
View File

@ -125,7 +125,9 @@ export class FormControlDirective extends NgControl implements OnChanges {
this.form.updateValueAndValidity({emitEvent: false});
}
if (isPropertyUpdated(changes, this.viewModel)) {
if (typeof ngDevMode === 'undefined' || ngDevMode) {
_ngModelWarning('formControl', FormControlDirective, this, this._ngModelWarningConfig);
}
this.form.setValue(this.model);
this.viewModel = this.model;
}

2
packages/forms/src/directives/reactive_directives/form_control_name.ts
View File

@ -145,7 +145,9 @@ export class FormControlName extends NgControl implements OnChanges, OnDestroy {
ngOnChanges(changes: SimpleChanges) {
if (!this._added) this._setUpControl();
if (isPropertyUpdated(changes, this.viewModel)) {
if (typeof ngDevMode === 'undefined' || ngDevMode) {
_ngModelWarning('formControlName', FormControlName, this, this._ngModelWarningConfig);
}
this.viewModel = this.model;
this.formDirective.updateModel(this, this.model);
}

6
packages/forms/src/directives/shared.ts
View File

@ -6,8 +6,6 @@
* found in the LICENSE file at https://angular.io/license
*/
import {isDevMode} from '@angular/core';
import {AbstractControl, FormArray, FormControl, FormGroup} from '../model';
import {getControlAsyncValidators, getControlValidators, mergeValidators} from '../validators';
@ -324,13 +322,11 @@ export function removeListItem<T>(list: T[], el: T): void {
export function _ngModelWarning(
name: string, type: {_ngModelWarningSentOnce: boolean},
instance: {_ngModelWarningSent: boolean}, warningConfig: string|null) {
if (!isDevMode() || warningConfig === 'never') return;
if (warningConfig === 'never') return;
if (((warningConfig === null || warningConfig === 'once') && !type._ngModelWarningSentOnce) ||
(warningConfig === 'always' && !instance._ngModelWarningSent)) {
if (typeof ngDevMode === 'undefined' || ngDevMode) {
ReactiveErrors.ngModelWarning(name);
}
type._ngModelWarningSentOnce = true;
instance._ngModelWarningSent = true;
}