@angular/material
Version:
Angular Material
31 lines (29 loc) • 947 B
JavaScript
class _ErrorStateTracker {
_defaultMatcher;
ngControl;
_parentFormGroup;
_parentForm;
_stateChanges;
errorState = false;
matcher;
constructor(_defaultMatcher, ngControl, _parentFormGroup, _parentForm, _stateChanges) {
this._defaultMatcher = _defaultMatcher;
this.ngControl = ngControl;
this._parentFormGroup = _parentFormGroup;
this._parentForm = _parentForm;
this._stateChanges = _stateChanges;
}
updateErrorState() {
const oldState = this.errorState;
const parent = this._parentFormGroup || this._parentForm;
const matcher = this.matcher || this._defaultMatcher;
const control = this.ngControl ? this.ngControl.control : null;
const newState = matcher?.isErrorState(control, parent) ?? false;
if (newState !== oldState) {
this.errorState = newState;
this._stateChanges.next();
}
}
}
export { _ErrorStateTracker };
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