@angular/core
Version:
Angular - the core framework
43 lines • 5.98 kB
JavaScript
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { getDebugContext } from '../errors';
import { ERROR_DEBUG_CONTEXT, ERROR_LOGGER } from '../util/errors';
export function expressionChangedAfterItHasBeenCheckedError(context, oldValue, currValue, isFirstCheck) {
var msg = "ExpressionChangedAfterItHasBeenCheckedError: Expression has changed after it was checked. Previous value: '" + oldValue + "'. Current value: '" + currValue + "'.";
if (isFirstCheck) {
msg +=
" It seems like the view has been created after its parent and its children have been dirty checked." +
" Has it been created in a change detection hook ?";
}
return viewDebugError(msg, context);
}
export function viewWrappedDebugError(err, context) {
if (!(err instanceof Error)) {
// errors that are not Error instances don't have a stack,
// so it is ok to wrap them into a new Error object...
err = new Error(err.toString());
}
_addDebugContext(err, context);
return err;
}
export function viewDebugError(msg, context) {
var err = new Error(msg);
_addDebugContext(err, context);
return err;
}
function _addDebugContext(err, context) {
err[ERROR_DEBUG_CONTEXT] = context;
err[ERROR_LOGGER] = context.logError.bind(context);
}
export function isViewDebugError(err) {
return !!getDebugContext(err);
}
export function viewDestroyedError(action) {
return new Error("ViewDestroyedError: Attempt to use a destroyed view: " + action);
}
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